Airlines with flights from Seattle to Denver

There are five airlines with scheduled flights between SEA and DEN. United, Southwest and 3 more carriers has non-stop flights from Seattle Airport to Denver International and the flight time is 2 hours and 45 minutes.

Choose airline

Schedules

Non-stop with United Airlines

  • Total flight time: 2 hours and 45 minutes
  • Denver is a United Airlines hub.
  • 33 flights per week
  • Boeing 737-800 Passenger
    Airbus A319
    Boeing 737MAX 8 Passenger
    A321neo
    Boeing 737-900 Passenger
    Airbus A320
  • First class available
SEA
Direct
DEN
 
Flight
Mon
Mar 3
Tue
Mar 4
Wed
Mar 5
Thu
Mar 6
Fri
Mar 7
Sat
Mar 8
Sun
Mar 9
UA2269
05:02
05:02
05:02
05:00
05:15
05:15
05:15
UA597
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08:50
08:50
08:50
08:50
UA1829
08:50
08:50
08:50
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UA423
12:46
12:46
12:46
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UA645
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12:55
12:55
12:55
12:55
UA757
15:16
15:16
15:16
15:45
15:45
15:45
15:45
UA1218
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19:10
19:10
19:11
19:10
UA1387
19:13
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19:13
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SHOW RETURN SCHEDULE
CHECK PRICES FOR SEA - DEN

The timetable & schedule information was updated at 2025-02-17

Non-stop with Southwest Airlines

  • Total flight time: 2 hours and 40 minutes
  • Low-cost airline
  • Denver is a Southwest Airlines focus city (Operating base).
  • 27 flights per week
  • Boeing 737-800 (winglets) Passenger/BBJ2
    Boeing 737MAX 8 Passenger
    Boeing 737-700 (winglets) Passenger/BBJ1
SEA
Direct
DEN
 
Flight
Mon
Mar 3
Tue
Mar 4
Wed
Mar 5
Thu
Mar 6
Fri
Mar 7
Sat
Mar 8
Sun
Mar 9
WN3228
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05:00
05:00
05:00
05:00
WN743
05:05
07:30
07:30
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WN1305
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09:40
09:40
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11:00
WN805
09:45
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WN249
15:55
10:00
10:00
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WN489
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11:25
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WN3929
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12:20
12:20
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WN947
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16:05
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WN449
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16:25
WN2396
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17:15
17:15
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SHOW RETURN SCHEDULE
CHECK PRICES FOR SEA - DEN

The timetable & schedule information was updated at 2025-02-17

Non-stop with Alaska Airlines

  • Total flight time: 2 hours and 43 minutes
  • One World Alliance
  • Seattle is a Alaska Airlines hub (Primary hub).
  • 25 flights per week
  • Boeing 737-900 (winglets) Passenger/BBJ3
    Boeing 737MAX 9 Passenger
    Boeing 737-800 (winglets) Passenger/BBJ2
  • Business and first class available
SEA
Direct
DEN

The timetable & schedule information was updated at 2025-02-17

Non-stop with Delta Air Lines

  • Total flight time: 2 hours and 52 minutes
  • Sky Team Alliance
  • Seattle is a Delta Air Lines hub.
  • 21 flights per week
  • Embraer 175 (Enhanced Winglets)
    Airbus 220-100
    Airbus A 220-300
  • Business and first class available
SEA
Direct
DEN

The timetable & schedule information was updated at 2025-02-17

Non-stop with Frontier Airlines

  • Total flight time: 2 hours and 48 minutes
  • Low-cost airline
  • Denver is a Frontier Airlines focus city.
  • 6 flights per week
  • Airbus A320neo
SEA
Direct
DEN

The timetable & schedule information was updated at 2025-02-17

Via Salt Lake City with Delta Air Lines

  • Total flight time: 4h 10m - 6h 38m.
  • Sky Team Alliance
  • Seattle is a Delta Air Lines hub.
  • 27 flights per week
  • Embraer 175 (Enhanced Winglets)
    Airbus 220-100
    Airbus A 220-300
SEA
 
Via SLC
 
DEN
 
Flight
Mon
Mar 3
Tue
Mar 4
Wed
Mar 5
Thu
Mar 6
Fri
Mar 7
Sat
Mar 8
Sun
Mar 9
DL1128
DL1553
05:30
05:30
05:30
05:30
05:30
05:30
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DL1128
DL681
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05:30
DL1128
DL1274
05:30
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05:30
05:30
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DL1016
DL1623
09:55
09:55
09:55
09:55
09:55
09:55
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DL1120
DL1586
13:30
13:30
13:30
13:30
13:30
13:30
13:30
DL1165
DL1667
17:05
17:05
17:05
17:05
17:05
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17:10
SHOW RETURN SCHEDULE
CHECK PRICES FOR SEA - DEN

The timetable & schedule information was updated at 2025-02-17

Via Las Vegas with Southwest Airlines

  • Total flight time: 5h 15m - 9h 55m.
  • Low-cost airline
  • Denver is a Southwest Airlines focus city (Operating base).
  • 15 flights per week
  • Boeing 737-800 (winglets) Passenger/BBJ2
    Boeing 737MAX 8 Passenger
    Boeing 737-700 (winglets) Passenger/BBJ1
SEA
 
Via LAS
 
DEN
 
Flight
Mon
Mar 3
Tue
Mar 4
Wed
Mar 5
Thu
Mar 6
Fri
Mar 7
Sat
Mar 8
Sun
Mar 9
WN546
WN2903
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05:55
WN1295
WN1599
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06:15
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WN1088
WN55
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06:20
06:20
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WN1088
WN2542
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06:20
06:20
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WN1295
WN1863
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06:40
06:40
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WN4527
WN3034
06:50
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WN4527
WN188
06:50
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WN823
WN4381
07:15
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WN1249
WN1597
07:45
09:10
09:10
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WN988
WN1100
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08:50
08:50
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WN1249
WN4381
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09:10
09:10
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WN1249
WN2715
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09:10
09:10
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WN2717
WN596
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11:35
11:35
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WN2717
WN3624
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11:35
11:35
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WN4153
WN1189
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13:05
WN4153
WN2046
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13:05
WN3142
WN2834
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13:30
13:30
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WN4211
WN3175
14:40
14:35
14:35
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WN4153
WN699
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16:00
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WN4153
WN851
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16:00
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WN4153
WN4542
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19:00
19:00
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SHOW RETURN SCHEDULE
CHECK PRICES FOR SEA - DEN

The timetable & schedule information was updated at 2025-02-17

Via Portland with Alaska Airlines

  • Total flight time: 4h 02m - 6h 14m.
  • One World Alliance
  • Seattle is a Alaska Airlines hub (Primary hub).
  • 8 flights per week
  • Boeing 737-900 (winglets) Passenger/BBJ3
    Boeing 737MAX 9 Passenger
    Boeing 737-800 (winglets) Passenger/BBJ2
SEA
 
Via PDX
 
DEN

The timetable & schedule information was updated at 2025-02-17

Via Sacramento with Southwest Airlines

  • Total flight time: 4h 50m - 9h 30m.
  • Low-cost airline
  • Denver is a Southwest Airlines focus city (Operating base).
  • 6 flights per week
  • Boeing 737-800 (winglets) Passenger/BBJ2
    Boeing 737MAX 8 Passenger
    Boeing 737-700 (winglets) Passenger/BBJ1
SEA
 
Via SMF
 
DEN
 
Flight
Mon
Mar 3
Tue
Mar 4
Wed
Mar 5
Thu
Mar 6
Fri
Mar 7
Sat
Mar 8
Sun
Mar 9
WN546
WN2903
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05:55
WN1295
WN1599
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06:15
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WN1088
WN55
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06:20
06:20
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WN1088
WN2542
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06:20
06:20
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WN1295
WN1863
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06:40
06:40
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WN4527
WN3034
06:50
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WN4527
WN188
06:50
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WN823
WN4381
07:15
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WN1249
WN1597
07:45
09:10
09:10
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WN988
WN1100
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08:50
08:50
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WN1249
WN4381
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09:10
09:10
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WN1249
WN2715
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09:10
09:10
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WN2717
WN596
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11:35
11:35
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WN2717
WN3624
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11:35
11:35
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WN4153
WN1189
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13:05
WN4153
WN2046
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13:05
WN3142
WN2834
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13:30
13:30
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WN4211
WN3175
14:40
14:35
14:35
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WN4153
WN699
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16:00
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WN4153
WN851
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16:00
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WN4153
WN4542
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19:00
19:00
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SHOW RETURN SCHEDULE
CHECK PRICES FOR SEA - DEN

The timetable & schedule information was updated at 2025-02-17

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