Airlines with flights from Ontario to Seattle

There are five airlines with scheduled flights between ONT and SEA. Alaska Airlines, Delta and Frontier Airlines has non-stop flights from Ontario International Airport to Seattle Airport and the flight time is 2 hours and 51 minutes.

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Schedules

Non-stop with Alaska Airlines

  • Total flight time: 2 hours and 51 minutes
  • One World Alliance
  • Seattle is a Alaska Airlines hub (Primary hub).
  • 30 flights per week
  • Boeing 737-900 (winglets) Passenger/BBJ3
    Boeing 737MAX 9 Passenger
    Boeing 737-700 Passenger
    Boeing 737-800 (winglets) Passenger/BBJ2
    Embraer 175
  • Business and first class available
ONT
Direct
SEA
 
Flight
Mon
Dec 2
Tue
Dec 3
Wed
Dec 4
Thu
Dec 5
Fri
Dec 6
Sat
Dec 7
Sun
Dec 8
AS1091
06:00
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06:00
06:00
06:00
06:00
06:00
AS1255
10:00
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AS1165
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10:48
10:48
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10:48
AS1119
14:22
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13:53
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13:53
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AS1171
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13:53
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AS2259
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18:10
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AS2315
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18:10
18:10
18:10
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18:10
18:10
AS1007
----
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20:55
20:55
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20:55
AS1087
20:58
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----
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----
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SHOW RETURN SCHEDULE
CHECK PRICES FOR ONT - SEA

The timetable & schedule information was updated at 2024-11-19

Non-stop with Delta Air Lines

  • Total flight time: 2 hours and 55 minutes
  • Sky Team Alliance
  • Seattle is a Delta Air Lines hub.
  • 17 flights per week
  • Embraer 175 (Enhanced Winglets)
  • First class available
ONT
Direct
SEA
 
Flight
Mon
Dec 2
Tue
Dec 3
Wed
Dec 4
Thu
Dec 5
Fri
Dec 6
Sat
Dec 7
Sun
Dec 8
DL4042
05:40
05:40
05:40
05:40
05:50
05:50
05:50
DL4070
11:18
11:18
11:18
11:18
11:18
----
11:18
DL4031
17:25
17:25
17:25
17:25
17:35
13:50
17:35
SHOW RETURN SCHEDULE
CHECK PRICES FOR ONT - SEA

The timetable & schedule information was updated at 2024-11-19

Non-stop with Frontier Airlines

  • Total flight time: 2 hours and 56 minutes
  • Low-cost airline
  • 7 flights per week
  • A320neo
    A321neo
ONT
Direct
SEA
 
Flight
Mon
Dec 2
Tue
Dec 3
Wed
Dec 4
Thu
Dec 5
Fri
Dec 6
Sat
Dec 7
Sun
Dec 8
F93164
09:54
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11:09
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11:09
SHOW RETURN SCHEDULE
CHECK PRICES FOR ONT - SEA

The timetable & schedule information was updated at 2024-11-19

Via San Francisco with United Airlines

  • Total flight time: 4h 25m - 6h 36m.
  • 34 flights per week
ONT
 
Via SFO
 
SEA
 
Flight
Mon
Dec 2
Tue
Dec 3
Wed
Dec 4
Thu
Dec 5
Fri
Dec 6
Sat
Dec 7
Sun
Dec 8
UA277
UA573
06:00
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UA277
UA2849
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06:00
06:00
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UA277
UA5332
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06:00
06:00
06:00
06:00
UA4639
UA2391
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10:35
10:35
10:35
10:35
10:35
10:35
UA4639
UA2650
10:35
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UA5920
UA2603
13:55
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UA5645
UA2019
15:15
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UA5921
UA2019
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15:20
15:20
15:20
15:20
15:20
15:20
UA5429
UA1971
18:28
18:28
18:28
18:28
18:28
18:28
18:28
SHOW RETURN SCHEDULE
CHECK PRICES FOR ONT - SEA

The timetable & schedule information was updated at 2024-11-19

Via Salt Lake City with Delta Air Lines

  • Total flight time: 4h 59m - 7h 30m.
  • Sky Team Alliance
  • Seattle is a Delta Air Lines hub.
  • 19 flights per week
  • Embraer 175 (Enhanced Winglets)
ONT
 
Via SLC
 
SEA
 
Flight
Mon
Dec 2
Tue
Dec 3
Wed
Dec 4
Thu
Dec 5
Fri
Dec 6
Sat
Dec 7
Sun
Dec 8
DL1340
DL2995
06:00
06:00
06:00
06:00
06:00
06:00
06:00
DL1345
DL871
13:18
13:18
13:18
13:18
13:25
13:25
13:25
DL3933
DL2823
17:00
17:00
17:00
17:00
17:10
17:10
17:10
DL3933
DL2998
17:00
17:00
17:00
17:00
17:10
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17:10
SHOW RETURN SCHEDULE
CHECK PRICES FOR ONT - SEA

The timetable & schedule information was updated at 2024-11-19

Via Las Vegas with Southwest Airlines

  • Total flight time: 4h 45m - 7h 40m.
  • Low-cost airline
  • 18 flights per week
ONT
 
Via LAS
 
SEA
 
Flight
Mon
Dec 2
Tue
Dec 3
Wed
Dec 4
Thu
Dec 5
Fri
Dec 6
Sat
Dec 7
Sun
Dec 8
WN2968
WN5222
05:05
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WN284
WN1490
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05:45
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WN3174
WN4310
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05:45
WN576
WN1623
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06:00
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WN576
WN4237
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06:15
WN393
WN3929
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06:30
06:30
06:30
06:30
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WN5223
WN1095
06:40
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WN576
WN1060
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06:45
06:45
06:45
06:45
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WN5040
WN172
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10:00
WN2934
WN1479
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10:10
10:10
10:10
10:10
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WN1199
WN3674
10:30
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WN2157
WN3001
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11:40
11:00
WN5305
WN249
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11:00
WN3404
WN2708
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11:30
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WN4629
WN1949
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13:25
WN4198
WN249
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13:30
13:30
13:30
13:30
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WN1276
WN3125
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14:50
14:50
14:50
14:50
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WN3805
WN111
----
15:15
15:15
15:15
15:15
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WN1559
WN3581
15:45
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WN1246
WN4355
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----
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15:50
WN2661
WN2424
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15:55
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WN2852
WN4625
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----
----
----
----
----
16:10
WN4409
WN2431
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16:30
16:30
16:30
16:30
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WN1676
WN1479
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----
----
----
----
16:35
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WN2968
WN3125
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----
----
----
----
----
16:55
WN2968
WN2708
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----
----
----
----
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16:55
WN3091
WN3125
17:05
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----
----
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WN101
WN2708
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----
----
----
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----
17:55
WN101
WN344
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18:00
18:00
18:00
18:00
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WN2317
WN1585
18:20
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----
----
----
----
----
WN2627
WN2901
18:35
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----
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----
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SHOW RETURN SCHEDULE
CHECK PRICES FOR ONT - SEA

The timetable & schedule information was updated at 2024-11-19

Via Oakland with Southwest Airlines

  • Total flight time: 4h 10m - 6h 15m.
  • Low-cost airline
  • 16 flights per week
ONT
 
Via OAK
 
SEA
 
Flight
Mon
Dec 2
Tue
Dec 3
Wed
Dec 4
Thu
Dec 5
Fri
Dec 6
Sat
Dec 7
Sun
Dec 8
WN2968
WN5222
05:05
----
----
----
----
----
----
WN284
WN1490
----
----
----
----
----
05:45
----
WN3174
WN4310
----
----
----
----
----
----
05:45
WN576
WN1623
----
----
----
----
----
06:00
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WN576
WN4237
----
----
----
----
----
----
06:15
WN393
WN3929
----
06:30
06:30
06:30
06:30
----
----
WN5223
WN1095
06:40
----
----
----
----
----
----
WN576
WN1060
----
06:45
06:45
06:45
06:45
----
----
WN5040
WN172
----
----
----
----
----
----
10:00
WN2934
WN1479
----
10:10
10:10
10:10
10:10
----
----
WN1199
WN3674
10:30
----
----
----
----
----
----
WN2157
WN3001
----
----
----
----
----
11:40
11:00
WN5305
WN249
----
----
----
----
----
----
11:00
WN3404
WN2708
----
----
----
----
----
11:30
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WN4629
WN1949
----
----
----
----
----
----
13:25
WN4198
WN249
----
13:30
13:30
13:30
13:30
----
----
WN1276
WN3125
----
14:50
14:50
14:50
14:50
----
----
WN3805
WN111
----
15:15
15:15
15:15
15:15
----
----
WN1559
WN3581
15:45
----
----
----
----
----
----
WN1246
WN4355
----
----
----
----
----
----
15:50
WN2661
WN2424
----
----
----
----
----
15:55
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WN2852
WN4625
----
----
----
----
----
----
16:10
WN4409
WN2431
----
16:30
16:30
16:30
16:30
----
----
WN1676
WN1479
----
----
----
----
----
16:35
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WN2968
WN3125
----
----
----
----
----
----
16:55
WN2968
WN2708
----
----
----
----
----
----
16:55
WN3091
WN3125
17:05
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----
----
----
----
----
WN101
WN2708
----
----
----
----
----
----
17:55
WN101
WN344
----
18:00
18:00
18:00
18:00
----
----
WN2317
WN1585
18:20
----
----
----
----
----
----
WN2627
WN2901
18:35
----
----
----
----
----
----
SHOW RETURN SCHEDULE
CHECK PRICES FOR ONT - SEA

The timetable & schedule information was updated at 2024-11-19

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