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

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Tue,Sun 07:00 Denver (DEN) 09:11 Seattle-Tacoma (SEA)
Icelandair FI 7694 Non-stop Boeing 737 (73J) 3:11 Effective 2026-02-08 through 2026-02-10
Codeshare flight, operated by Alaska Airlines.(AS 643)
Daily 07:00 Denver (DEN) 09:10 Seattle-Tacoma (SEA)
Icelandair FI 7694 Non-stop Boeing 737 (73J) 3:10 Effective 2026-02-12 through 2026-03-06
Codeshare flight, operated by Alaska Airlines.(AS 643)
Sat 07:00 Denver (DEN) 09:10 Seattle-Tacoma (SEA)
Icelandair FI 7694 Non-stop Boeing 737 MAX 9 (7M9) 3:10 Operates only on 2026-03-07
Codeshare flight, operated by Alaska Airlines.(AS 643)
Daily 08:00 Denver (DEN) 10:08 Seattle-Tacoma (SEA)
Icelandair FI 7694 Non-stop Boeing 737 (73J) 3:08 Valid until 2026-01-06
Codeshare flight, operated by Alaska Airlines.(AS 643)
Daily 08:00 Denver (DEN) 09:59 Seattle-Tacoma (SEA)
Icelandair FI 7694 Non-stop Boeing 737 (73J) 2:59 Effective 2026-05-13 through 2026-06-09
Codeshare flight, operated by Alaska Airlines.(AS 525Z)
Sun 08:00 Denver (DEN) 10:04 Seattle-Tacoma (SEA)
Icelandair FI 7694 Non-stop Boeing 737 (73J) 3:04 Effective 2026-06-14 through 2026-08-16
Codeshare flight, operated by Alaska Airlines.(AS 715)
Wed 12:35 Denver (DEN) 14:35 Seattle-Tacoma (SEA)
Icelandair FI 7694 Non-stop Boeing 737 (73J) 3:00 Operates only on 2026-03-18
Codeshare flight, operated by Alaska Airlines.(AS 682)
Daily 12:35 Denver (DEN) 14:37 Seattle-Tacoma (SEA)
Icelandair FI 7694 Non-stop Boeing 737 (73J) 3:02 Effective 2026-03-27 through 2026-05-12
Codeshare flight, operated by Alaska Airlines.(AS 682)
Daily 12:49 Denver (DEN) 14:50 Seattle-Tacoma (SEA)
Icelandair FI 7694 Non-stop Boeing 737 (73J) 3:01 Effective 2026-10-03 through 2026-10-12
Codeshare flight, operated by Alaska Airlines.(AS 682)
Mon,Wed-Sun 12:49 Denver (DEN) 14:50 Seattle-Tacoma (SEA)
Icelandair FI 7694 Non-stop Boeing 737 (73J) 3:01 Effective from 2026-10-14
Codeshare flight, operated by Alaska Airlines.(AS 682)
Mon-Sat 17:50 Denver (DEN) 19:53 Seattle-Tacoma (SEA)
Icelandair FI 7694 Non-stop Boeing 737 (73J) 3:03 Effective 2026-06-10 through 2026-09-12
Codeshare flight, operated by Alaska Airlines.(AS 620Z)
Sun 07:00 Denver (DEN) 09:10 Seattle-Tacoma (SEA)
Icelandair FI 7698 Non-stop Boeing 737 MAX 9 (7M9) 3:10 Operates only on 2026-03-08
Codeshare flight, operated by Alaska Airlines.(AS 643)
Daily 14:58 Denver (DEN) 17:00 Seattle-Tacoma (SEA)
Icelandair FI 7698 Non-stop Boeing 737 (73J) 3:02 Effective 2026-04-22 through 2026-05-12
Codeshare flight, operated by Alaska Airlines.(AS 1332)
Daily 14:58 Denver (DEN) 16:58 Seattle-Tacoma (SEA)
Icelandair FI 7698 Non-stop Boeing 737 (73J) 3:00 Effective 2026-05-13 through 2026-06-09
Codeshare flight, operated by Alaska Airlines.(AS 426)
Daily 15:03 Denver (DEN) 17:04 Seattle-Tacoma (SEA)
Icelandair FI 7698 Non-stop Boeing 737 (73J) 3:01 Effective 2026-06-10 through 2026-10-02
Codeshare flight, operated by Alaska Airlines.(AS 535)
Daily 08:00 Denver (DEN) 10:04 Seattle-Tacoma (SEA)
Icelandair FI 7722 Non-stop Boeing 737 (73J) 3:04 Effective 2026-08-19 through 2026-09-13
Codeshare flight, operated by Alaska Airlines.(AS 715)
Daily 08:00 Denver (DEN) 10:04 Seattle-Tacoma (SEA)
Icelandair FI 7722 Non-stop Boeing 737 (73J) 3:04 Effective 2026-09-15 through 2026-10-02
Codeshare flight, operated by Alaska Airlines.(AS 715)
Daily 09:00 Denver (DEN) 11:04 Seattle-Tacoma (SEA)
Icelandair FI 7722 Non-stop Boeing 737 (73J) 3:04 Effective from 2026-10-03
Codeshare flight, operated by Alaska Airlines.(AS 715)
Mon-Sat 17:49 Denver (DEN) 19:44 Seattle-Tacoma (SEA)
Icelandair FI 7722 Non-stop Boeing 737 (73J) 2:55 Effective 2026-05-20 through 2026-06-09
Codeshare flight, operated by Alaska Airlines.(AS 605)
Thu,Sat,Sun 19:52 Denver (DEN) 22:00 Seattle-Tacoma (SEA)
Icelandair FI 7722 Non-stop Boeing 737 (73J) 3:08 Effective 2026-02-12 through 2026-02-19
Codeshare flight, operated by Alaska Airlines.(AS 785)
Mon,Thu,Fri,Sun 19:52 Denver (DEN) 22:00 Seattle-Tacoma (SEA)
Icelandair FI 7722 Non-stop Boeing 737 (73J) 3:08 Effective 2026-02-20 through 2026-03-02
Codeshare flight, operated by Alaska Airlines.(AS 785)
Thu 19:52 Denver (DEN) 22:00 Seattle-Tacoma (SEA)
Icelandair FI 7722 Non-stop Boeing 737 MAX 9 (7M9) 3:08 Operates only on 2026-03-05
Codeshare flight, operated by Alaska Airlines.(AS 785)
Fri 19:52 Denver (DEN) 22:00 Seattle-Tacoma (SEA)
Icelandair FI 7722 Non-stop Boeing 737 (73J) 3:08 Operates only on 2026-03-06
Codeshare flight, operated by Alaska Airlines.(AS 785)
Sat 20:22 Denver (DEN) 22:30 Seattle-Tacoma (SEA)
Icelandair FI 7722 Non-stop Boeing 737 (73J) 3:08 Valid until 2026-01-03
Codeshare flight, operated by Alaska Airlines.(AS 615)
Mon,Tue,Sun 20:22 Denver (DEN) 22:30 Seattle-Tacoma (SEA)
Icelandair FI 7722 Non-stop Boeing 737-800 (73H) 3:08 Effective 2026-01-04 through 2026-01-06
Codeshare flight, operated by Alaska Airlines.(AS 615)
Daily 20:32 Denver (DEN) 22:36 Seattle-Tacoma (SEA)
Icelandair FI 7722 Non-stop Boeing 737 (73J) 3:04 Effective 2026-06-10 through 2026-08-18
Codeshare flight, operated by Alaska Airlines.(AS 615)
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All airlines flying from Denver (DEN) to Seattle-Tacoma (SEA).
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Effective 2026-02-08 through 2026-02-10
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 643)
Duration: 3:11, non-stop
Boeing 737 (73J)

Direct Codeshare Flights:

Effective 2026-02-12 through 2026-03-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 643)
Duration: 3:10, non-stop
Boeing 737 (73J)

Direct Codeshare Flights:

Operates only on 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 643)
Duration: 3:10, non-stop
Boeing 737 MAX 9 (7M9)

Direct Codeshare Flights:

Valid until 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 643)
Duration: 3:08, non-stop
Boeing 737 (73J)

Direct Codeshare Flights:

Effective 2026-05-13 through 2026-06-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines.(AS 525Z)
Duration: 2:59, non-stop
Boeing 737 (73J)

Direct Codeshare Flights:

Effective 2026-06-14 through 2026-08-16
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 715)
Duration: 3:04, non-stop
Boeing 737 (73J)

Direct Codeshare Flights:

Operates only on 2026-03-18
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 682)
Duration: 3:00, non-stop
Boeing 737 (73J)

Direct Codeshare Flights:

Effective 2026-03-27 through 2026-05-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 682)
Duration: 3:02, non-stop
Boeing 737 (73J)

Direct Codeshare Flights:

Effective 2026-10-03 through 2026-10-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 682)
Duration: 3:01, non-stop
Boeing 737 (73J)

Direct Codeshare Flights:

Effective from 2026-10-14
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 682)
Duration: 3:01, non-stop
Boeing 737 (73J)

Direct Codeshare Flights:

Effective 2026-06-10 through 2026-09-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines.(AS 620Z)
Duration: 3:03, non-stop
Boeing 737 (73J)

Direct Codeshare Flights:

Operates only on 2026-03-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 643)
Duration: 3:10, non-stop
Boeing 737 MAX 9 (7M9)

Direct Codeshare Flights:

Effective 2026-04-22 through 2026-05-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 1332)
Duration: 3:02, non-stop
Boeing 737 (73J)

Direct Codeshare Flights:

Effective 2026-05-13 through 2026-06-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 426)
Duration: 3:00, non-stop
Boeing 737 (73J)

Direct Codeshare Flights:

Effective 2026-06-10 through 2026-10-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 535)
Duration: 3:01, non-stop
Boeing 737 (73J)

Direct Codeshare Flights:

Effective 2026-08-19 through 2026-09-13
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 715)
Duration: 3:04, non-stop
Boeing 737 (73J)

Direct Codeshare Flights:

Effective 2026-09-15 through 2026-10-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 715)
Duration: 3:04, non-stop
Boeing 737 (73J)

Direct Codeshare Flights:

Effective from 2026-10-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 715)
Duration: 3:04, non-stop
Boeing 737 (73J)

Direct Codeshare Flights:

Effective 2026-05-20 through 2026-06-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 605)
Duration: 2:55, non-stop
Boeing 737 (73J)

Direct Codeshare Flights:

Effective 2026-02-12 through 2026-02-19
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 785)
Duration: 3:08, non-stop
Boeing 737 (73J)

Direct Codeshare Flights:

Effective 2026-02-20 through 2026-03-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 785)
Duration: 3:08, non-stop
Boeing 737 (73J)

Direct Codeshare Flights:

Operates only on 2026-03-05
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 785)
Duration: 3:08, non-stop
Boeing 737 MAX 9 (7M9)

Direct Codeshare Flights:

Operates only on 2026-03-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 785)
Duration: 3:08, non-stop
Boeing 737 (73J)

Direct Codeshare Flights:

Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 615)
Duration: 3:08, non-stop
Boeing 737 (73J)

Direct Codeshare Flights:

Effective 2026-01-04 through 2026-01-06
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 615)
Duration: 3:08, non-stop
Boeing 737-800 (73H)

Direct Codeshare Flights:

Effective 2026-06-10 through 2026-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 615)
Duration: 3:04, non-stop
Boeing 737 (73J)
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  • A domestic route departing from the Denver airport (DEN) and arriving at Seattle-Tacoma airport (SEA).
  • The flight distance is 1022 miles, or 1644 km.
  • The timezone of the departure airport is UTC-7 , and the timezone of the arrival airport is UTC-8 . 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 2:50 and 3:20.