Alaska Airlines flights from Seattle-Tacoma (SEA) to Denver (DEN).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 17:55 Seattle-Tacoma (SEA) 21:31 Denver (DEN)
Alaska Airlines AS 321 Non-stop Boeing 737 (73J) 2:36 Effective 2025-01-06 through 2025-03-18
Tue 17:59 Seattle-Tacoma (SEA) 21:38 Denver (DEN)
Alaska Airlines AS 404 Non-stop Boeing 737 (73J) 2:39 Effective 2024-10-01 through 2024-10-08
Wed 17:59 Seattle-Tacoma (SEA) 21:38 Denver (DEN)
Alaska Airlines AS 404 Non-stop Boeing 737-900 (739) 2:39 Effective 2024-10-02 through 2024-10-23
Sat 17:59 Seattle-Tacoma (SEA) 21:38 Denver (DEN)
Alaska Airlines AS 404 Non-stop Boeing 737-800 (73H) 2:39 Operates only on 2024-10-05
Sat 17:59 Seattle-Tacoma (SEA) 21:38 Denver (DEN)
Alaska Airlines AS 404 Non-stop Boeing 737-900 (739) 2:39 Effective 2024-10-12 through 2024-10-19
Tue 17:59 Seattle-Tacoma (SEA) 21:38 Denver (DEN)
Alaska Airlines AS 404 Non-stop Boeing 737 MAX 8 (7M8) 2:39 Operates only on 2024-10-15
Tue 17:59 Seattle-Tacoma (SEA) 21:38 Denver (DEN)
Alaska Airlines AS 404 Non-stop Boeing 737-800 (73H) 2:39 Operates only on 2024-10-22
Sat 17:59 Seattle-Tacoma (SEA) 21:38 Denver (DEN)
Alaska Airlines AS 404 Non-stop Boeing 737 (73J) 2:39 Operates only on 2024-10-26
Mon,Fri,Sun 17:58 Seattle-Tacoma (SEA) 21:37 Denver (DEN)
Alaska Airlines AS 427 Non-stop Boeing 737 MAX 9 (7M9) 2:39 Valid until 2024-09-01
Tue 17:58 Seattle-Tacoma (SEA) 21:37 Denver (DEN)
Alaska Airlines AS 427 Non-stop Boeing 737-900 (739) 2:39 Valid until 2024-09-03
Mon,Thu,Sat 17:58 Seattle-Tacoma (SEA) 21:37 Denver (DEN)
Alaska Airlines AS 427 Non-stop Boeing 737 (73J) 2:39 Valid until 2024-09-02
Thu 17:58 Seattle-Tacoma (SEA) 21:37 Denver (DEN)
Alaska Airlines AS 427 Non-stop Boeing 737-900 (739) 2:39 Effective 2024-09-05 through 2024-09-26
Fri-Sun 17:58 Seattle-Tacoma (SEA) 21:37 Denver (DEN)
Alaska Airlines AS 427 Non-stop Boeing 737 (73J) 2:39 Effective 2024-09-06 through 2024-09-08
Mon,Tue,Fri 17:58 Seattle-Tacoma (SEA) 21:37 Denver (DEN)
Alaska Airlines AS 427 Non-stop Boeing 737-900 (739) 2:39 Effective 2024-09-09 through 2024-09-16
Tue,Sat 17:58 Seattle-Tacoma (SEA) 21:37 Denver (DEN)
Alaska Airlines AS 427 Non-stop Boeing 737 (73J) 2:39 Effective 2024-09-14 through 2024-09-17
Sun 17:58 Seattle-Tacoma (SEA) 21:37 Denver (DEN)
Alaska Airlines AS 427 Non-stop Boeing 737 MAX 9 (7M9) 2:39 Effective 2024-09-15 through 2024-09-22
Mon,Tue,Fri 17:58 Seattle-Tacoma (SEA) 21:37 Denver (DEN)
Alaska Airlines AS 427 Non-stop Boeing 737-900 (739) 2:39 Effective 2024-09-20 through 2024-09-27
Sat 17:58 Seattle-Tacoma (SEA) 21:37 Denver (DEN)
Alaska Airlines AS 427 Non-stop Boeing 737 MAX 8 (7M8) 2:39 Operates only on 2024-09-21
Mon,Sat,Sun 17:58 Seattle-Tacoma (SEA) 21:37 Denver (DEN)
Alaska Airlines AS 427 Non-stop Boeing 737 (73J) 2:39 Effective 2024-09-28 through 2024-09-30
Thu 17:59 Seattle-Tacoma (SEA) 21:38 Denver (DEN)
Alaska Airlines AS 427 Non-stop Boeing 737-900 (739) 2:39 Effective 2024-10-03 through 2024-10-17
Fri,Sun 17:59 Seattle-Tacoma (SEA) 21:38 Denver (DEN)
Alaska Airlines AS 427 Non-stop Boeing 737 (73J) 2:39 Effective 2024-10-04 through 2024-10-06
Mon 17:59 Seattle-Tacoma (SEA) 21:38 Denver (DEN)
Alaska Airlines AS 427 Non-stop Boeing 737-800 (73H) 2:39 Effective 2024-10-07 through 2024-10-14
Fri 17:59 Seattle-Tacoma (SEA) 21:38 Denver (DEN)
Alaska Airlines AS 427 Non-stop Boeing 737 MAX 9 (7M9) 2:39 Effective 2024-10-11 through 2024-10-18
Sun 17:59 Seattle-Tacoma (SEA) 21:38 Denver (DEN)
Alaska Airlines AS 427 Non-stop Boeing 737 MAX 8 (7M8) 2:39 Operates only on 2024-10-13
Thu,Sun 17:59 Seattle-Tacoma (SEA) 21:38 Denver (DEN)
Alaska Airlines AS 427 Non-stop Boeing 737-900 (739) 2:39 Effective 2024-10-20 through 2024-10-24
Mon,Fri 17:59 Seattle-Tacoma (SEA) 21:38 Denver (DEN)
Alaska Airlines AS 427 Non-stop Boeing 737 (73J) 2:39 Effective 2024-10-21 through 2024-10-25
Wed 18:20 Seattle-Tacoma (SEA) 21:59 Denver (DEN)
Alaska Airlines AS 427 Non-stop Boeing 737 (73J) 2:39 Operates only on 2024-09-04
Wed 18:20 Seattle-Tacoma (SEA) 21:59 Denver (DEN)
Alaska Airlines AS 427 Non-stop Boeing 737-800 (73H) 2:39 Operates only on 2024-09-11
Wed 18:20 Seattle-Tacoma (SEA) 21:59 Denver (DEN)
Alaska Airlines AS 427 Non-stop Boeing 737 (73J) 2:39 Operates only on 2024-09-18
Wed 18:20 Seattle-Tacoma (SEA) 21:59 Denver (DEN)
Alaska Airlines AS 427 Non-stop Boeing 737-900 (739) 2:39 Operates only on 2024-09-25
Daily 20:19 Seattle-Tacoma (SEA) 23:59 Denver (DEN)
Alaska Airlines AS 427 Non-stop Boeing 737 (73J) 2:40 Effective 2024-12-19 through 2025-01-05
Fri 20:23 Seattle-Tacoma (SEA) 23:59 Denver (DEN)
Alaska Airlines AS 427 Non-stop Boeing 737-800 (73H) 2:36 Operates only on 2024-12-06
Mon,Fri,Sun 20:23 Seattle-Tacoma (SEA) 23:59 Denver (DEN)
Alaska Airlines AS 427 Non-stop Boeing 737 MAX 9 (7M9) 2:36 Effective 2024-12-08 through 2024-12-13
Sun 20:23 Seattle-Tacoma (SEA) 23:59 Denver (DEN)
Alaska Airlines AS 427 Non-stop Boeing 737-800 (73H) 2:36 Operates only on 2024-12-15
Mon 20:23 Seattle-Tacoma (SEA) 23:59 Denver (DEN)
Alaska Airlines AS 427 Non-stop Boeing 737 MAX 9 (7M9) 2:36 Operates only on 2024-12-16
Mon,Fri,Sun 20:24 Seattle-Tacoma (SEA) 23:59 Denver (DEN)
Alaska Airlines AS 427 Non-stop Boeing 737 MAX 9 (7M9) 2:35 Effective 2024-10-27 through 2024-11-03
Mon,Thu 20:24 Seattle-Tacoma (SEA) 23:59 Denver (DEN)
Alaska Airlines AS 427 Non-stop Boeing 737 (73J) 2:35 Effective 2024-10-31 through 2024-11-04
Thu 20:24 Seattle-Tacoma (SEA) 23:59 Denver (DEN)
Alaska Airlines AS 427 Non-stop Boeing 737-800 (73H) 2:35 Effective 2024-11-07 through 2024-11-14
Mon,Fri,Sun 20:24 Seattle-Tacoma (SEA) 23:59 Denver (DEN)
Alaska Airlines AS 427 Non-stop Boeing 737 MAX 9 (7M9) 2:35 Effective 2024-11-08 through 2024-11-18
Thu 20:24 Seattle-Tacoma (SEA) 23:59 Denver (DEN)
Alaska Airlines AS 427 Non-stop Boeing 737 MAX 9 (7M9) 2:35 Operates only on 2024-11-21
Thu 20:24 Seattle-Tacoma (SEA) 23:59 Denver (DEN)
Alaska Airlines AS 427 Non-stop Boeing 737 MAX 9 (7M9) 2:35 Effective 2024-12-05 through 2024-12-12
Tue,Fri,Sun 20:25 Seattle-Tacoma (SEA) 23:59 Denver (DEN)
Alaska Airlines AS 427 Non-stop Boeing 737 MAX 9 (7M9) 2:34 Effective 2024-11-22 through 2024-12-01
Mon,Sat 20:25 Seattle-Tacoma (SEA) 23:59 Denver (DEN)
Alaska Airlines AS 427 Non-stop Boeing 737 MAX 9 (7M9) 2:34 Effective 2024-11-23 through 2024-11-25
Wed 20:25 Seattle-Tacoma (SEA) 23:59 Denver (DEN)
Alaska Airlines AS 427 Non-stop Boeing 737 (73J) 2:34 Operates only on 2024-11-27
Sat 20:25 Seattle-Tacoma (SEA) 23:59 Denver (DEN)
Alaska Airlines AS 427 Non-stop Boeing 737-800 (73H) 2:34 Operates only on 2024-11-30
Mon 20:25 Seattle-Tacoma (SEA) 23:59 Denver (DEN)
Alaska Airlines AS 427 Non-stop Boeing 737-900 (739) 2:34 Operates only on 2024-12-02
Tue-Sat 08:39 Seattle-Tacoma (SEA) 12:22 Denver (DEN)
Alaska Airlines AS 428 Non-stop Boeing 737 (73J) 2:43 Valid until 2024-09-07
Mon,Sun 08:39 Seattle-Tacoma (SEA) 12:22 Denver (DEN)
Alaska Airlines AS 428 Non-stop Boeing 737-900 (739) 2:43 Valid until 2024-09-01
Sun 08:39 Seattle-Tacoma (SEA) 12:22 Denver (DEN)
Alaska Airlines AS 428 Non-stop Boeing 737-700 (73G) 2:43 Operates only on 2024-09-08
Mon,Thu,Fri,Sun 08:39 Seattle-Tacoma (SEA) 12:22 Denver (DEN)
Alaska Airlines AS 428 Non-stop Boeing 737 (73J) 2:43 Effective 2024-09-09 through 2024-09-15
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Alaska Airlines flights from Seattle-Tacoma (SEA) to Denver (DEN).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Effective 2025-01-06 through 2025-03-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:36, non-stop
Boeing 737 (73J)

Effective 2024-10-01 through 2024-10-08
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:39, non-stop
Boeing 737 (73J)

Effective 2024-10-02 through 2024-10-23
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:39, non-stop
Boeing 737-900 (739)

Operates only on 2024-10-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:39, non-stop
Boeing 737-800 (73H)

Effective 2024-10-12 through 2024-10-19
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:39, non-stop
Boeing 737-900 (739)

Operates only on 2024-10-15
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:39, non-stop
Boeing 737 MAX 8 (7M8)

Operates only on 2024-10-22
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:39, non-stop
Boeing 737-800 (73H)

Operates only on 2024-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:39, non-stop
Boeing 737 (73J)

Valid until 2024-09-01
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:39, non-stop
Boeing 737 MAX 9 (7M9)

Valid until 2024-09-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:39, non-stop
Boeing 737-900 (739)

Valid until 2024-09-02
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
Sun
-
Duration: 2:39, non-stop
Boeing 737 (73J)

Effective 2024-09-05 through 2024-09-26
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:39, non-stop
Boeing 737-900 (739)

Effective 2024-09-06 through 2024-09-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Duration: 2:39, non-stop
Boeing 737 (73J)

Effective 2024-09-09 through 2024-09-16
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:39, non-stop
Boeing 737-900 (739)

Effective 2024-09-14 through 2024-09-17
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:39, non-stop
Boeing 737 (73J)

Effective 2024-09-15 through 2024-09-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:39, non-stop
Boeing 737 MAX 9 (7M9)

Effective 2024-09-20 through 2024-09-27
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:39, non-stop
Boeing 737-900 (739)

Operates only on 2024-09-21
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:39, non-stop
Boeing 737 MAX 8 (7M8)

Effective 2024-09-28 through 2024-09-30
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 2:39, non-stop
Boeing 737 (73J)

Effective 2024-10-03 through 2024-10-17
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:39, non-stop
Boeing 737-900 (739)

Effective 2024-10-04 through 2024-10-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:39, non-stop
Boeing 737 (73J)

Effective 2024-10-07 through 2024-10-14
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:39, non-stop
Boeing 737-800 (73H)

Effective 2024-10-11 through 2024-10-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:39, non-stop
Boeing 737 MAX 9 (7M9)

Operates only on 2024-10-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:39, non-stop
Boeing 737 MAX 8 (7M8)

Effective 2024-10-20 through 2024-10-24
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 2:39, non-stop
Boeing 737-900 (739)

Effective 2024-10-21 through 2024-10-25
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:39, non-stop
Boeing 737 (73J)

Operates only on 2024-09-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:39, non-stop
Boeing 737 (73J)

Operates only on 2024-09-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:39, non-stop
Boeing 737-800 (73H)

Operates only on 2024-09-18
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:39, non-stop
Boeing 737 (73J)

Operates only on 2024-09-25
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:39, non-stop
Boeing 737-900 (739)

Effective 2024-12-19 through 2025-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:40, non-stop
Boeing 737 (73J)

Operates only on 2024-12-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:36, non-stop
Boeing 737-800 (73H)

Effective 2024-12-08 through 2024-12-13
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:36, non-stop
Boeing 737 MAX 9 (7M9)

Operates only on 2024-12-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:36, non-stop
Boeing 737-800 (73H)

Operates only on 2024-12-16
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:36, non-stop
Boeing 737 MAX 9 (7M9)

Effective 2024-10-27 through 2024-11-03
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737 MAX 9 (7M9)

Effective 2024-10-31 through 2024-11-04
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:35, non-stop
Boeing 737 (73J)

Effective 2024-11-07 through 2024-11-14
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:35, non-stop
Boeing 737-800 (73H)

Effective 2024-11-08 through 2024-11-18
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737 MAX 9 (7M9)

Operates only on 2024-11-21
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:35, non-stop
Boeing 737 MAX 9 (7M9)

Effective 2024-12-05 through 2024-12-12
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:35, non-stop
Boeing 737 MAX 9 (7M9)

Effective 2024-11-22 through 2024-12-01
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:34, non-stop
Boeing 737 MAX 9 (7M9)

Effective 2024-11-23 through 2024-11-25
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:34, non-stop
Boeing 737 MAX 9 (7M9)

Operates only on 2024-11-27
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:34, non-stop
Boeing 737 (73J)

Operates only on 2024-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:34, non-stop
Boeing 737-800 (73H)

Operates only on 2024-12-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:34, non-stop
Boeing 737-900 (739)

Valid until 2024-09-07
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 2:43, non-stop
Boeing 737 (73J)

Valid until 2024-09-01
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:43, non-stop
Boeing 737-900 (739)

Operates only on 2024-09-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:43, non-stop
Boeing 737-700 (73G)

Effective 2024-09-09 through 2024-09-15
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:43, non-stop
Boeing 737 (73J)
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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 2:34 and 2:46.