Airlines with flights from Ontario to Denver

There are four airlines with scheduled flights between ONT and DEN. Southwest, United and Frontier Airlines has non-stop flights from Ontario International Airport to Denver International and the flight time is 2 hours and 10 minutes.

Change direction

Choose airline

Schedules

Non-stop with Southwest Airlines

  • Total flight time: 2 hours and 10 minutes
  • Low-cost airline
  • Denver is a Southwest Airlines focus city (Operating base).
  • 21 flights per week
  • Boeing 737MAX 8 Passenger
    Boeing 737-700 (winglets) Passenger/BBJ1
    Boeing 737-800 (winglets) Passenger/BBJ2
ONT
Direct
DEN
 
Flight
Mon
Feb 10
Tue
Feb 11
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Feb 12
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Feb 13
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Feb 14
Sat
Feb 15
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Feb 16
WN479
05:25
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05:15
05:15
05:05
05:15
WN431
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05:45
05:45
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WN665
08:30
10:55
10:55
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11:10
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WN1885
13:35
13:40
13:40
12:15
12:15
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12:15
WN2129
16:30
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WN2524
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16:30
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WN2366
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17:10
17:10
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17:10
SHOW RETURN SCHEDULE
CHECK PRICES FOR ONT - DEN

The timetable & schedule information was updated at 2025-01-15

Non-stop with United Airlines

  • Total flight time: 2 hours and 19 minutes
  • Denver is a United Airlines hub.
  • 14 flights per week
  • Boeing 737-800 Passenger
    Boeing 737-900 Passenger
    Airbus A320
    Airbus A319
  • First class available
ONT
Direct
DEN
 
Flight
Mon
Feb 10
Tue
Feb 11
Wed
Feb 12
Thu
Feb 13
Fri
Feb 14
Sat
Feb 15
Sun
Feb 16
UA1575
----
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05:05
05:05
05:05
05:05
UA2317
05:10
05:10
05:10
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UA2278
13:45
13:43
13:45
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UA1942
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13:44
13:44
13:44
13:44
SHOW RETURN SCHEDULE
CHECK PRICES FOR ONT - DEN

The timetable & schedule information was updated at 2025-01-15

Non-stop with Frontier Airlines

  • Total flight time: 2 hours and 21 minutes
  • Low-cost airline
  • Denver is a Frontier Airlines focus city.
  • 10 flights per week
  • Airbus A320neo
    Airbus A320
    A321neo
ONT
Direct
DEN
 
Flight
Mon
Feb 10
Tue
Feb 11
Wed
Feb 12
Thu
Feb 13
Fri
Feb 14
Sat
Feb 15
Sun
Feb 16
F91500
18:34
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00:59
00:59
00:59
00:59
00:59
F91262
10:40
07:45
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F92908
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16:19
17:13
----
16:19
SHOW RETURN SCHEDULE
CHECK PRICES FOR ONT - DEN

The timetable & schedule information was updated at 2025-01-15

Via Las Vegas with Southwest Airlines

  • Total flight time: 3h 40m - 8h 25m.
  • Low-cost airline
  • Denver is a Southwest Airlines focus city (Operating base).
  • 28 flights per week
  • Boeing 737MAX 8 Passenger
    Boeing 737-700 (winglets) Passenger/BBJ1
    Boeing 737-800 (winglets) Passenger/BBJ2
ONT
 
Via LAS
 
DEN
 
Flight
Mon
Feb 10
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Feb 11
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Feb 12
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Feb 13
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Feb 15
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Feb 16
WN284
WN186
05:00
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WN284
WN2015
05:00
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WN284
WN4276
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05:35
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WN284
WN1722
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05:35
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WN284
WN2244
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05:35
05:35
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05:35
WN576
WN924
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05:50
05:50
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05:50
WN576
WN983
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WN576
WN1654
06:25
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05:50
05:50
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05:50
WN576
WN4429
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05:50
05:50
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WN576
WN547
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05:50
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WN576
WN1403
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WN2157
WN965
06:00
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WN393
WN3929
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06:00
06:00
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WN393
WN4182
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06:00
06:00
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WN284
WN1567
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06:15
06:15
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WN393
WN1516
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06:20
06:20
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06:20
WN244
WN965
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06:30
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WN393
WN1279
06:40
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WN3708
WN5013
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06:40
06:40
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06:40
WN576
WN5008
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06:45
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WN1559
WN1787
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06:50
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WN5309
WN1772
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06:55
06:55
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06:55
WN189
WN188
07:25
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WN189
WN3034
07:25
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WN189
WN2830
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07:30
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WN1637
WN5008
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08:15
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WN2191
WN1597
08:20
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WN2157
WN477
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08:30
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WN2157
WN4698
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WN3781
WN1597
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09:00
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WN3781
WN2188
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09:00
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WN3998
WN3438
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WN3998
WN5109
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09:05
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WN4296
WN2145
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09:20
09:20
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WN962
WN1770
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09:25
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WN2236
WN249
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09:35
09:35
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09:35
WN2236
WN4074
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09:35
09:35
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09:35
WN4296
WN173
09:40
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WN1559
WN2830
09:55
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WN1559
WN249
09:55
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WN4198
WN2830
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10:10
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WN1559
WN3403
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10:20
10:20
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WN1559
WN1100
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10:20
10:20
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WN2157
WN1746
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10:45
10:45
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10:45
WN2157
WN2794
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10:45
10:45
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10:45
WN4296
WN351
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10:55
10:55
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10:55
WN4296
WN4005
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10:55
10:55
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10:55
WN4852
WN3642
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10:55
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WN2317
WN5109
11:10
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WN2317
WN1967
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13:40
13:40
11:20
13:40
WN856
WN249
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11:35
11:35
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11:35
WN856
WN3403
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11:35
11:35
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11:35
WN2317
WN1059
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11:50
11:50
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WN281
WN935
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12:25
12:25
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WN4198
WN314
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12:25
12:25
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WN281
WN2715
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12:25
12:25
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WN281
WN340
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12:25
12:25
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WN2157
WN4961
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12:55
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WN2930
WN396
13:15
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WN2930
WN1461
13:15
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WN2930
WN3528
13:15
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WN4198
WN266
13:20
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WN1788
WN1991
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13:25
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WN2446
WN1991
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13:35
13:35
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WN2446
WN173
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13:35
13:35
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13:35
WN1246
WN2841
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14:05
14:05
16:05
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WN1246
WN2817
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14:05
14:05
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WN3816
WN2924
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14:10
14:10
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14:10
WN2315
WN1991
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14:35
14:35
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WN1035
WN2924
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15:00
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WN1035
WN1188
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15:00
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WN2446
WN4280
15:30
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WN2446
WN2312
15:30
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WN1225
WN1901
15:30
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WN3068
WN3175
16:05
15:50
15:50
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WN2148
WN3155
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15:50
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WN3068
WN2924
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16:10
16:10
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16:10
WN3313
WN4222
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16:25
16:25
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WN1246
WN1460
16:35
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WN1787
WN2312
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16:55
16:55
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16:55
WN1787
WN5003
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16:55
16:55
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16:55
WN3753
WN1901
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17:15
17:15
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17:15
WN3326
WN184
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17:30
17:30
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17:30
WN4900
WN3344
----
----
----
19:50
19:50
----
19:50
SHOW RETURN SCHEDULE
CHECK PRICES FOR ONT - DEN

The timetable & schedule information was updated at 2025-01-15

Via Phoenix with American Airlines

  • Total flight time: 3h 28m - 5h 58m.
  • One World Alliance
  • 23 flights per week
ONT
 
Via PHX
 
DEN
 
Flight
Mon
Feb 10
Tue
Feb 11
Wed
Feb 12
Thu
Feb 13
Fri
Feb 14
Sat
Feb 15
Sun
Feb 16
AA643
AA1332
06:10
06:10
06:10
06:13
06:13
06:13
06:13
AA4890
AA3144
10:00
10:00
10:00
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----
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AA1199
AA3144
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----
----
10:05
10:05
10:05
10:05
AA1792
AA4012
----
----
----
12:50
12:50
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12:50
AA3862
AA1638
16:25
----
16:25
16:25
16:25
16:25
16:25
AA3862
AA3910
----
16:25
----
----
----
----
----
SHOW RETURN SCHEDULE
CHECK PRICES FOR ONT - DEN

The timetable & schedule information was updated at 2025-01-15

Via Phoenix with Southwest Airlines

  • Total flight time: 3h 45m - 7h 25m.
  • Low-cost airline
  • Denver is a Southwest Airlines focus city (Operating base).
  • 21 flights per week
  • Boeing 737MAX 8 Passenger
    Boeing 737-700 (winglets) Passenger/BBJ1
    Boeing 737-800 (winglets) Passenger/BBJ2
ONT
 
Via PHX
 
DEN
 
Flight
Mon
Feb 10
Tue
Feb 11
Wed
Feb 12
Thu
Feb 13
Fri
Feb 14
Sat
Feb 15
Sun
Feb 16
WN284
WN186
05:00
----
----
----
----
----
----
WN284
WN2015
05:00
----
----
----
----
----
----
WN284
WN4276
----
----
----
----
----
05:35
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WN284
WN1722
----
----
----
----
----
05:35
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WN284
WN2244
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----
----
05:35
05:35
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05:35
WN576
WN924
----
----
----
05:50
05:50
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05:50
WN576
WN983
----
----
----
----
----
05:50
----
WN576
WN1654
06:25
----
----
05:50
05:50
----
05:50
WN576
WN4429
----
----
----
05:50
05:50
----
05:50
WN576
WN547
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----
----
----
----
05:50
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WN576
WN1403
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----
----
----
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05:50
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WN2157
WN965
06:00
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----
----
----
----
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WN393
WN3929
----
06:00
06:00
----
----
----
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WN393
WN4182
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06:00
06:00
----
----
----
----
WN284
WN1567
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06:15
06:15
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----
----
----
WN393
WN1516
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----
----
06:20
06:20
----
06:20
WN244
WN965
----
----
----
----
----
06:30
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WN393
WN1279
06:40
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----
----
----
----
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WN3708
WN5013
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----
----
06:40
06:40
----
06:40
WN576
WN5008
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06:45
06:45
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----
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WN1559
WN1787
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----
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----
----
06:50
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WN5309
WN1772
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06:55
06:55
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06:55
WN189
WN188
07:25
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----
----
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WN189
WN3034
07:25
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----
----
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WN189
WN2830
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07:30
07:30
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----
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WN1637
WN5008
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----
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08:15
08:15
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08:15
WN2191
WN1597
08:20
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----
----
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WN2157
WN477
----
08:30
08:30
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----
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WN2157
WN4698
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08:30
08:30
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WN3781
WN1597
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09:00
09:00
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WN3781
WN2188
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09:00
09:00
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WN3998
WN3438
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09:05
09:05
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09:05
WN3998
WN5109
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09:05
09:05
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09:05
WN4296
WN2145
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09:20
09:20
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WN962
WN1770
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09:25
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WN2236
WN249
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----
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09:35
09:35
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09:35
WN2236
WN4074
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09:35
09:35
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09:35
WN4296
WN173
09:40
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----
----
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WN1559
WN2830
09:55
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WN1559
WN249
09:55
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WN4198
WN2830
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10:10
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WN1559
WN3403
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10:20
10:20
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WN1559
WN1100
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10:20
10:20
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WN2157
WN1746
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10:45
10:45
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10:45
WN2157
WN2794
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10:45
10:45
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10:45
WN4296
WN351
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10:55
10:55
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10:55
WN4296
WN4005
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----
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10:55
10:55
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10:55
WN4852
WN3642
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----
----
----
----
10:55
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WN2317
WN5109
11:10
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----
----
----
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WN2317
WN1967
----
----
----
13:40
13:40
11:20
13:40
WN856
WN249
----
----
----
11:35
11:35
----
11:35
WN856
WN3403
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----
----
11:35
11:35
----
11:35
WN2317
WN1059
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11:50
11:50
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----
----
----
WN281
WN935
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12:25
12:25
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----
----
----
WN4198
WN314
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12:25
12:25
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----
----
----
WN281
WN2715
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12:25
12:25
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WN281
WN340
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12:25
12:25
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----
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WN2157
WN4961
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12:55
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WN2930
WN396
13:15
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----
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WN2930
WN1461
13:15
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WN2930
WN3528
13:15
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----
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WN4198
WN266
13:20
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----
----
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WN1788
WN1991
----
----
----
----
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13:25
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WN2446
WN1991
----
----
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13:35
13:35
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13:35
WN2446
WN173
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----
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13:35
13:35
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13:35
WN1246
WN2841
----
14:05
14:05
16:05
16:05
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16:05
WN1246
WN2817
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14:05
14:05
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----
----
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WN3816
WN2924
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----
----
14:10
14:10
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14:10
WN2315
WN1991
----
14:35
14:35
----
----
----
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WN1035
WN2924
----
----
----
----
----
15:00
----
WN1035
WN1188
----
----
----
----
----
15:00
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WN2446
WN4280
15:30
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----
----
----
----
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WN2446
WN2312
15:30
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----
----
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WN1225
WN1901
15:30
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----
----
----
----
----
WN3068
WN3175
16:05
15:50
15:50
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----
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WN2148
WN3155
----
----
----
----
----
15:50
----
WN3068
WN2924
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----
----
16:10
16:10
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16:10
WN3313
WN4222
----
16:25
16:25
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WN1246
WN1460
16:35
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----
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----
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WN1787
WN2312
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----
----
16:55
16:55
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16:55
WN1787
WN5003
----
----
----
16:55
16:55
----
16:55
WN3753
WN1901
----
----
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17:15
17:15
----
17:15
WN3326
WN184
----
----
----
17:30
17:30
----
17:30
WN4900
WN3344
----
----
----
19:50
19:50
----
19:50
SHOW RETURN SCHEDULE
CHECK PRICES FOR ONT - DEN

The timetable & schedule information was updated at 2025-01-15

Via Sacramento with Southwest Airlines

  • Total flight time: 4h 20m - 9h 35m.
  • Low-cost airline
  • Denver is a Southwest Airlines focus city (Operating base).
  • 21 flights per week
  • Boeing 737MAX 8 Passenger
    Boeing 737-700 (winglets) Passenger/BBJ1
    Boeing 737-800 (winglets) Passenger/BBJ2
ONT
 
Via SMF
 
DEN
 
Flight
Mon
Feb 10
Tue
Feb 11
Wed
Feb 12
Thu
Feb 13
Fri
Feb 14
Sat
Feb 15
Sun
Feb 16
WN284
WN186
05:00
----
----
----
----
----
----
WN284
WN2015
05:00
----
----
----
----
----
----
WN284
WN4276
----
----
----
----
----
05:35
----
WN284
WN1722
----
----
----
----
----
05:35
----
WN284
WN2244
----
----
----
05:35
05:35
----
05:35
WN576
WN924
----
----
----
05:50
05:50
----
05:50
WN576
WN983
----
----
----
----
----
05:50
----
WN576
WN1654
06:25
----
----
05:50
05:50
----
05:50
WN576
WN4429
----
----
----
05:50
05:50
----
05:50
WN576
WN547
----
----
----
----
----
05:50
----
WN576
WN1403
----
----
----
----
----
05:50
----
WN2157
WN965
06:00
----
----
----
----
----
----
WN393
WN3929
----
06:00
06:00
----
----
----
----
WN393
WN4182
----
06:00
06:00
----
----
----
----
WN284
WN1567
----
06:15
06:15
----
----
----
----
WN393
WN1516
----
----
----
06:20
06:20
----
06:20
WN244
WN965
----
----
----
----
----
06:30
----
WN393
WN1279
06:40
----
----
----
----
----
----
WN3708
WN5013
----
----
----
06:40
06:40
----
06:40
WN576
WN5008
----
06:45
06:45
----
----
----
----
WN1559
WN1787
----
----
----
----
----
06:50
----
WN5309
WN1772
----
----
----
06:55
06:55
----
06:55
WN189
WN188
07:25
----
----
----
----
----
----
WN189
WN3034
07:25
----
----
----
----
----
----
WN189
WN2830
----
07:30
07:30
----
----
----
----
WN1637
WN5008
----
----
----
08:15
08:15
----
08:15
WN2191
WN1597
08:20
----
----
----
----
----
----
WN2157
WN477
----
08:30
08:30
----
----
----
----
WN2157
WN4698
----
08:30
08:30
----
----
----
----
WN3781
WN1597
----
09:00
09:00
----
----
----
----
WN3781
WN2188
----
09:00
09:00
----
----
----
----
WN3998
WN3438
----
----
----
09:05
09:05
----
09:05
WN3998
WN5109
----
----
----
09:05
09:05
----
09:05
WN4296
WN2145
----
09:20
09:20
----
----
----
----
WN962
WN1770
----
----
----
----
----
09:25
----
WN2236
WN249
----
----
----
09:35
09:35
----
09:35
WN2236
WN4074
----
----
----
09:35
09:35
----
09:35
WN4296
WN173
09:40
----
----
----
----
----
----
WN1559
WN2830
09:55
----
----
----
----
----
----
WN1559
WN249
09:55
----
----
----
----
----
----
WN4198
WN2830
----
----
----
----
----
10:10
----
WN1559
WN3403
----
10:20
10:20
----
----
----
----
WN1559
WN1100
----
10:20
10:20
----
----
----
----
WN2157
WN1746
----
----
----
10:45
10:45
----
10:45
WN2157
WN2794
----
----
----
10:45
10:45
----
10:45
WN4296
WN351
----
----
----
10:55
10:55
----
10:55
WN4296
WN4005
----
----
----
10:55
10:55
----
10:55
WN4852
WN3642
----
----
----
----
----
10:55
----
WN2317
WN5109
11:10
----
----
----
----
----
----
WN2317
WN1967
----
----
----
13:40
13:40
11:20
13:40
WN856
WN249
----
----
----
11:35
11:35
----
11:35
WN856
WN3403
----
----
----
11:35
11:35
----
11:35
WN2317
WN1059
----
11:50
11:50
----
----
----
----
WN281
WN935
----
12:25
12:25
----
----
----
----
WN4198
WN314
----
12:25
12:25
----
----
----
----
WN281
WN2715
----
12:25
12:25
----
----
----
----
WN281
WN340
----
12:25
12:25
----
----
----
----
WN2157
WN4961
----
----
----
----
----
12:55
----
WN2930
WN396
13:15
----
----
----
----
----
----
WN2930
WN1461
13:15
----
----
----
----
----
----
WN2930
WN3528
13:15
----
----
----
----
----
----
WN4198
WN266
13:20
----
----
----
----
----
----
WN1788
WN1991
----
----
----
----
----
13:25
----
WN2446
WN1991
----
----
----
13:35
13:35
----
13:35
WN2446
WN173
----
----
----
13:35
13:35
----
13:35
WN1246
WN2841
----
14:05
14:05
16:05
16:05
----
16:05
WN1246
WN2817
----
14:05
14:05
----
----
----
----
WN3816
WN2924
----
----
----
14:10
14:10
----
14:10
WN2315
WN1991
----
14:35
14:35
----
----
----
----
WN1035
WN2924
----
----
----
----
----
15:00
----
WN1035
WN1188
----
----
----
----
----
15:00
----
WN2446
WN4280
15:30
----
----
----
----
----
----
WN2446
WN2312
15:30
----
----
----
----
----
----
WN1225
WN1901
15:30
----
----
----
----
----
----
WN3068
WN3175
16:05
15:50
15:50
----
----
----
----
WN2148
WN3155
----
----
----
----
----
15:50
----
WN3068
WN2924
----
----
----
16:10
16:10
----
16:10
WN3313
WN4222
----
16:25
16:25
----
----
----
----
WN1246
WN1460
16:35
----
----
----
----
----
----
WN1787
WN2312
----
----
----
16:55
16:55
----
16:55
WN1787
WN5003
----
----
----
16:55
16:55
----
16:55
WN3753
WN1901
----
----
----
17:15
17:15
----
17:15
WN3326
WN184
----
----
----
17:30
17:30
----
17:30
WN4900
WN3344
----
----
----
19:50
19:50
----
19:50
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The timetable & schedule information was updated at 2025-01-15

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