All airlines flying from Seattle-Tacoma (SEA) to Denver (DEN).

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 18:00 Seattle-Tacoma (SEA) 21:44 Denver (DEN)
Delta Air Lines DL 1750 Non-stop Boeing 737-800 (738) 2:44 Effective 2025-06-08 through 2025-07-06
Daily 18:00 Seattle-Tacoma (SEA) 21:41 Denver (DEN)
Delta Air Lines DL 1750 Non-stop Boeing 737-800 (738) 2:41 Effective 2025-07-07 through 2025-09-07
Thu 09:50 Seattle-Tacoma (SEA) 13:30 Denver (DEN)
Southwest Airlines WN 1965 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Operates only on 2025-11-27
Mon,Wed-Fri,Sun 11:11 Seattle-Tacoma (SEA) 14:58 Denver (DEN)
United Airlines UA 1969 Non-stop Boeing 737-800 (738) 2:47 Effective 2025-06-26 through 2025-08-18
Sat 11:11 Seattle-Tacoma (SEA) 14:58 Denver (DEN)
United Airlines UA 1969 Non-stop Airbus A320 (320) 2:47 Effective 2025-06-28 through 2025-08-16
Tue 11:11 Seattle-Tacoma (SEA) 14:58 Denver (DEN)
United Airlines UA 1969 Non-stop Airbus A321neo (32Q) 2:47 Effective 2025-07-01 through 2025-08-12
Mon,Thu,Fri 08:05 Seattle-Tacoma (SEA) 11:45 Denver (DEN)
Southwest Airlines WN 2016 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 08:05 Seattle-Tacoma (SEA) 11:45 Denver (DEN)
Southwest Airlines WN 2016 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2025-07-07 through 2025-08-04
Sun 08:25 Seattle-Tacoma (SEA) 12:10 Denver (DEN)
Southwest Airlines WN 2016 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2025-06-08 through 2025-08-03
Tue,Wed 16:55 Seattle-Tacoma (SEA) 20:30 Denver (DEN)
Southwest Airlines WN 2130 Non-stop Boeing 737-700 (Scimitar Winglets) 2:35 Effective 2025-10-07 through 2025-10-29
Sat 05:00 Seattle-Tacoma (SEA) 08:35 Denver (DEN)
Southwest Airlines WN 2141 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2025-11-08 through 2025-11-15
Sat 05:00 Seattle-Tacoma (SEA) 08:35 Denver (DEN)
Southwest Airlines WN 2141 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2025-12-06 through 2025-12-13
Tue,Wed 05:40 Seattle-Tacoma (SEA) 09:15 Denver (DEN)
Southwest Airlines WN 2141 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2025-11-04 through 2025-11-12
Mon-Thu 05:40 Seattle-Tacoma (SEA) 09:15 Denver (DEN)
Southwest Airlines WN 2141 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2025-11-17 through 2025-11-20
Mon-Fri 05:40 Seattle-Tacoma (SEA) 09:15 Denver (DEN)
Southwest Airlines WN 2141 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2025-12-02 through 2025-12-11
Mon-Wed 05:40 Seattle-Tacoma (SEA) 09:15 Denver (DEN)
Southwest Airlines WN 2141 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2025-12-15 through 2025-12-17
Wed,Thu 05:40 Seattle-Tacoma (SEA) 09:15 Denver (DEN)
Southwest Airlines WN 2141 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2025-12-24 through 2026-01-01
Mon,Thu,Fri 15:50 Seattle-Tacoma (SEA) 19:30 Denver (DEN)
Southwest Airlines WN 2156 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2025-10-02 through 2025-10-31
Sun 16:10 Seattle-Tacoma (SEA) 19:45 Denver (DEN)
Southwest Airlines WN 2156 Non-stop Boeing 737-800 (73H) 2:35 Effective 2025-10-05 through 2025-10-26
Mon,Thu-Sat 05:00 Seattle-Tacoma (SEA) 08:43 Denver (DEN)
United Airlines UA 2269 Non-stop Airbus A320 (320) 2:43 Effective 2025-06-26 through 2025-07-04
Sun 05:00 Seattle-Tacoma (SEA) 08:43 Denver (DEN)
United Airlines UA 2269 Non-stop Airbus A319 (319) 2:43 Effective 2025-06-29 through 2025-07-27
Mon,Thu-Sat 05:00 Seattle-Tacoma (SEA) 08:43 Denver (DEN)
United Airlines UA 2269 Non-stop Airbus A320 (320) 2:43 Effective 2025-07-07 through 2025-08-18
Sun 05:00 Seattle-Tacoma (SEA) 08:43 Denver (DEN)
United Airlines UA 2269 Non-stop Boeing 737-900 (739) 2:43 Effective 2025-08-03 through 2025-08-17
Daily 05:07 Seattle-Tacoma (SEA) 08:50 Denver (DEN)
United Airlines UA 2269 Non-stop Boeing 737 MAX 9 (7M9) 2:43 Effective 2025-08-19 through 2025-09-24
Daily 05:07 Seattle-Tacoma (SEA) 08:48 Denver (DEN)
United Airlines UA 2269 Non-stop Boeing 737 MAX 9 (7M9) 2:41 Effective 2025-09-25 through 2025-10-25
Daily 05:07 Seattle-Tacoma (SEA) 08:50 Denver (DEN)
United Airlines UA 2269 Non-stop Boeing 737 MAX 8 (7M8) 2:43 Effective from 2025-10-26
Mon,Tue,Thu-Sat 05:15 Seattle-Tacoma (SEA) 08:58 Denver (DEN)
United Airlines UA 2269 Non-stop Boeing 737 MAX 8 (7M8) 2:43 Valid until 2025-05-20
Sun 05:15 Seattle-Tacoma (SEA) 08:58 Denver (DEN)
United Airlines UA 2269 Non-stop Airbus A319 (319) 2:43 Effective 2025-05-04 through 2025-05-18
Wed 05:15 Seattle-Tacoma (SEA) 08:58 Denver (DEN)
United Airlines UA 2269 Non-stop Boeing 737-800 (738) 2:43 Effective 2025-05-07 through 2025-05-21
Thu 05:15 Seattle-Tacoma (SEA) 08:58 Denver (DEN)
United Airlines UA 2269 Non-stop Boeing 737-900 (739) 2:43 Operates only on 2025-05-22
Thu-Sat 05:15 Seattle-Tacoma (SEA) 08:58 Denver (DEN)
United Airlines UA 2269 Non-stop Airbus A320 (320) 2:43 Effective 2025-05-23 through 2025-05-31
Mon,Thu-Sun 05:15 Seattle-Tacoma (SEA) 08:58 Denver (DEN)
United Airlines UA 2269 Non-stop Airbus A320 (320) 2:43 Effective 2025-06-01 through 2025-06-23
Sat 18:45 Seattle-Tacoma (SEA) 22:30 Denver (DEN)
Southwest Airlines WN 2326 Non-stop Boeing 737-700 (73W) 2:45 Effective 2025-06-07 through 2025-08-02
Sat 08:40 Seattle-Tacoma (SEA) 12:20 Denver (DEN)
Southwest Airlines WN 2379 Non-stop Boeing 737-700 (73W) 2:40 Effective 2025-06-07 through 2025-08-02
Fri 09:10 Seattle-Tacoma (SEA) 12:45 Denver (DEN)
Southwest Airlines WN 2379 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Operates only on 2025-07-04
Tue,Wed 08:25 Seattle-Tacoma (SEA) 12:05 Denver (DEN)
Southwest Airlines WN 2488 Non-stop Boeing 737-800 (73H) 2:40 Effective 2025-08-05 through 2025-10-01
Mon,Thu,Fri 08:25 Seattle-Tacoma (SEA) 12:05 Denver (DEN)
Southwest Airlines WN 2488 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2025-08-07 through 2025-09-29
Tue,Wed 05:15 Seattle-Tacoma (SEA) 08:50 Denver (DEN)
Southwest Airlines WN 2502 Non-stop Boeing 737-700 (73W) 2:35 Effective 2025-08-05 through 2025-10-01
Sun 05:15 Seattle-Tacoma (SEA) 08:50 Denver (DEN)
Southwest Airlines WN 2502 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2025-08-10 through 2025-08-24
Sun 05:15 Seattle-Tacoma (SEA) 08:50 Denver (DEN)
Southwest Airlines WN 2502 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2025-09-07 through 2025-09-28
Sun 05:45 Seattle-Tacoma (SEA) 09:20 Denver (DEN)
Southwest Airlines WN 2502 Non-stop Boeing 737-800 (73H) 2:35 Operates only on 2025-08-31
Sat 09:15 Seattle-Tacoma (SEA) 12:55 Denver (DEN)
Southwest Airlines WN 2502 Non-stop Boeing 737-800 (73H) 2:40 Effective 2025-08-09 through 2025-09-27
Mon,Thu,Fri 16:20 Seattle-Tacoma (SEA) 20:00 Denver (DEN)
Southwest Airlines WN 2519 Non-stop Boeing 737-700 (73W) 2:40 Effective 2025-08-07 through 2025-09-29
Tue,Wed 15:15 Seattle-Tacoma (SEA) 18:59 Denver (DEN)
Delta Air Lines DL 2567 Non-stop Airbus A220-100 (221) 2:44 Valid until 2025-05-06
Thu 06:55 Seattle-Tacoma (SEA) 10:30 Denver (DEN)
Southwest Airlines WN 2604 Non-stop Boeing 737-700 (Scimitar Winglets) 2:35 Operates only on 2025-11-27
Sat 12:45 Seattle-Tacoma (SEA) 16:30 Denver (DEN)
Southwest Airlines WN 2668 Non-stop Boeing 737-800 (73H) 2:45 Effective 2025-08-09 through 2025-09-27
Sun 20:40 Seattle-Tacoma (SEA) 00:20 Denver (DEN)
Southwest Airlines WN 2668 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2025-08-10 through 2025-08-24
The flight arrives 1 day after departure.
Sun 20:40 Seattle-Tacoma (SEA) 00:20 Denver (DEN)
Southwest Airlines WN 2668 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2025-09-07 through 2025-09-28
The flight arrives 1 day after departure.
Daily 07:10 Seattle-Tacoma (SEA) 11:00 Denver (DEN)
Delta Air Lines DL 2740 Non-stop Airbus A220-300 (223) 2:50 Effective 2025-05-07 through 2025-06-07
Daily 07:10 Seattle-Tacoma (SEA) 11:03 Denver (DEN)
Delta Air Lines DL 2740 Non-stop Airbus A220-100 (221) 2:53 Effective 2025-06-08 through 2025-07-06
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All airlines flying from Seattle-Tacoma (SEA) to Denver (DEN).
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Effective 2025-06-08 through 2025-07-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:44, non-stop
Boeing 737-800 (738)

Effective 2025-07-07 through 2025-09-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:41, non-stop
Boeing 737-800 (738)

Operates only on 2025-11-27
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)

Effective 2025-06-26 through 2025-08-18
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:47, non-stop
Boeing 737-800 (738)

Effective 2025-06-28 through 2025-08-16
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:47, non-stop
Airbus A320 (320)

Effective 2025-07-01 through 2025-08-12
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:47, non-stop
Airbus A321neo (32Q)

Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)

Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)

Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)

Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:35, non-stop
Boeing 737-700 (Scimitar Winglets)

Effective 2025-11-08 through 2025-11-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)

Effective 2025-12-06 through 2025-12-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)

Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)

Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)

Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)

Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)

Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)

Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)

Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737-800 (73H)

Effective 2025-06-26 through 2025-07-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Duration: 2:43, non-stop
Airbus A320 (320)

Effective 2025-06-29 through 2025-07-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:43, non-stop
Airbus A319 (319)

Effective 2025-07-07 through 2025-08-18
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Duration: 2:43, non-stop
Airbus A320 (320)

Effective 2025-08-03 through 2025-08-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:43, non-stop
Boeing 737-900 (739)

Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:43, non-stop
Boeing 737 MAX 9 (7M9)

Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:41, non-stop
Boeing 737 MAX 9 (7M9)

Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:43, non-stop
Boeing 737 MAX 8 (7M8)

Valid until 2025-05-20
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
-
Duration: 2:43, non-stop
Boeing 737 MAX 8 (7M8)

Effective 2025-05-04 through 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:43, non-stop
Airbus A319 (319)

Effective 2025-05-07 through 2025-05-21
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:43, non-stop
Boeing 737-800 (738)

Operates only on 2025-05-22
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:43, non-stop
Boeing 737-900 (739)

Effective 2025-05-23 through 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Duration: 2:43, non-stop
Airbus A320 (320)

Effective 2025-06-01 through 2025-06-23
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 2:43, non-stop
Airbus A320 (320)

Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:45, non-stop
Boeing 737-700 (73W)

Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:40, non-stop
Boeing 737-700 (73W)

Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)

Effective 2025-08-05 through 2025-10-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:40, non-stop
Boeing 737-800 (73H)

Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)

Effective 2025-08-05 through 2025-10-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:35, non-stop
Boeing 737-700 (73W)

Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)

Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)

Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737-800 (73H)

Effective 2025-08-09 through 2025-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:40, non-stop
Boeing 737-800 (73H)

Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:40, non-stop
Boeing 737-700 (73W)

Valid until 2025-05-06
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:44, non-stop
Airbus A220-100 (221)

Operates only on 2025-11-27
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:35, non-stop
Boeing 737-700 (Scimitar Winglets)

Effective 2025-08-09 through 2025-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:45, non-stop
Boeing 737-800 (73H)

Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Effective 2025-05-07 through 2025-06-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:50, non-stop
Airbus A220-300 (223)

Effective 2025-06-08 through 2025-07-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:53, non-stop
Airbus A220-100 (221)
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  • A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Denver airport (DEN).
  • The flight distance is 1022 miles, or 1644 km.
  • The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-7 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time varies between 2:30 and 3:02.