Airlines with flights from Seattle to Denver

There are five airlines with scheduled flights between SEA and DEN. United, Delta and 3 more carriers has non-stop flights from Seattle Airport to Denver International and the flight time is 2 hours and 44 minutes.

Choose airline

Schedules

Non-stop with United Airlines

  • Total flight time: 2 hours and 44 minutes
  • Denver is a United Airlines hub.
  • 33 flights per week
  • Boeing 737MAX 9 Passenger
    Airbus A320
    A321neo
    Boeing 737-800 Passenger
  • First class available
SEA
Direct
DEN

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

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)
    Code 223
  • Business and first class available
SEA
Direct
DEN

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

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).
  • 21 flights per week
  • Boeing 737MAX 8 Passenger
    Boeing 737-700 (winglets) Passenger/BBJ1
    Boeing 737-800 (winglets) Passenger/BBJ2
SEA
Direct
DEN
 
Flight
Mon
Feb 3
Tue
Feb 4
Wed
Feb 5
Thu
Feb 6
Fri
Feb 7
Sat
Feb 8
Sun
Feb 9
WN743
07:30
07:30
07:30
05:05
05:05
06:30
07:30
WN3430
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09:00
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WN805
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09:45
09:45
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WN249
10:00
10:00
10:00
15:55
15:55
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10:00
WN2613
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----
11:55
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WN3929
12:20
12:20
12:20
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12:20
SHOW RETURN SCHEDULE
CHECK PRICES FOR SEA - DEN

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

Non-stop with Alaska Airlines

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

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

Non-stop with Frontier Airlines

  • Total flight time: 2 hours and 48 minutes
  • Low-cost airline
  • Denver is a Frontier Airlines focus city.
  • 4 flights per week
  • A320neo
    A321neo
SEA
Direct
DEN

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

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)
    Code 223
SEA
 
Via SLC
 
DEN
 
Flight
Mon
Feb 3
Tue
Feb 4
Wed
Feb 5
Thu
Feb 6
Fri
Feb 7
Sat
Feb 8
Sun
Feb 9
DL1128
DL1623
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05:30
DL1128
DL1553
05:30
05:30
05:30
05:30
05:30
05:30
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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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DL1016
DL1586
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09:55
DL1120
DL1667
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13:30
DL1120
DL1586
13:30
13:30
13:30
13:30
13:30
13:30
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DL1165
DL1667
17:05
17:05
17:05
17:05
17:05
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SHOW RETURN SCHEDULE
CHECK PRICES FOR SEA - DEN

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

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 737MAX 8 Passenger
    Boeing 737-700 (winglets) Passenger/BBJ1
    Boeing 737-800 (winglets) Passenger/BBJ2
SEA
 
Via LAS
 
DEN
 
Flight
Mon
Feb 3
Tue
Feb 4
Wed
Feb 5
Thu
Feb 6
Fri
Feb 7
Sat
Feb 8
Sun
Feb 9
WN4527
WN188
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06:50
06:50
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WN4527
WN3034
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06:50
06:50
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WN969
WN4381
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06:50
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WN823
WN4381
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07:15
07:15
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WN1249
WN1597
09:10
09:10
09:10
07:45
07:45
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09:10
WN988
WN1100
08:50
08:50
08:50
----
----
----
08:50
WN1249
WN2715
09:10
09:10
09:10
----
----
----
09:10
WN1249
WN4381
09:10
09:10
09:10
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09:10
WN4211
WN3175
14:35
14:35
14:35
14:40
14:40
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14:35
WN4211
WN2924
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14:35
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SHOW RETURN SCHEDULE
CHECK PRICES FOR SEA - DEN

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

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 737MAX 9 Passenger
    Boeing 737-900 (winglets) Passenger/BBJ3
    Boeing 737-800 (winglets) Passenger/BBJ2
    Boeing 737-900 Passenger
SEA
 
Via PDX
 
DEN

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

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 737MAX 8 Passenger
    Boeing 737-700 (winglets) Passenger/BBJ1
    Boeing 737-800 (winglets) Passenger/BBJ2
SEA
 
Via SMF
 
DEN
 
Flight
Mon
Feb 3
Tue
Feb 4
Wed
Feb 5
Thu
Feb 6
Fri
Feb 7
Sat
Feb 8
Sun
Feb 9
WN4527
WN188
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----
06:50
06:50
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WN4527
WN3034
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----
----
06:50
06:50
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WN969
WN4381
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----
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----
06:50
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WN823
WN4381
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----
07:15
07:15
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WN1249
WN1597
09:10
09:10
09:10
07:45
07:45
----
09:10
WN988
WN1100
08:50
08:50
08:50
----
----
----
08:50
WN1249
WN2715
09:10
09:10
09:10
----
----
----
09:10
WN1249
WN4381
09:10
09:10
09:10
----
----
----
09:10
WN4211
WN3175
14:35
14:35
14:35
14:40
14:40
----
14:35
WN4211
WN2924
----
----
----
----
----
14:35
----
SHOW RETURN SCHEDULE
CHECK PRICES FOR SEA - DEN

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

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