All airlines flying from Denver (DEN) to Seattle-Tacoma (SEA).
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| FLIGHT SCHEDULE |
|---|
| Direct Flights: |
| Mon,Tue
07:00
Denver (DEN)
09:11
Seattle-Tacoma (SEA) Alaska Airlines AS 643 Non-stop Boeing 737 (73J) 3:11 Effective 2026-01-20 through 2026-01-26 |
| Mon-Wed,Fri,Sat
07:00
Denver (DEN)
09:11
Seattle-Tacoma (SEA) Alaska Airlines AS 643 Non-stop Boeing 737 MAX 9 (7M9) 3:11 Effective 2026-01-27 through 2026-02-02 |
| Tue,Thu,Sun
07:00
Denver (DEN)
09:11
Seattle-Tacoma (SEA) Alaska Airlines AS 643 Non-stop Boeing 737 (73J) 3:11 Effective 2026-01-29 through 2026-02-03 |
| Mon,Wed-Sat
07:00
Denver (DEN)
09:11
Seattle-Tacoma (SEA) Alaska Airlines AS 643 Non-stop Boeing 737 MAX 9 (7M9) 3:11 Effective 2026-02-04 through 2026-02-11 |
| Tue,Sun
07:00
Denver (DEN)
09:11
Seattle-Tacoma (SEA) Alaska Airlines AS 643 Non-stop Boeing 737 (73J) 3:11 Effective 2026-02-08 through 2026-02-10 |
| Daily
07:00
Denver (DEN)
09:10
Seattle-Tacoma (SEA) Alaska Airlines AS 643 Non-stop Boeing 737 (73J) 3:10 Effective 2026-02-12 through 2026-03-06 |
| Fri-Sun
07:00
Denver (DEN)
09:10
Seattle-Tacoma (SEA) Alaska Airlines AS 643 Non-stop Boeing 737 MAX 9 (7M9) 3:10 Effective 2026-03-07 through 2026-03-15 |
| Mon
07:00
Denver (DEN)
09:10
Seattle-Tacoma (SEA) Alaska Airlines AS 643 Non-stop Boeing 737-800 (73H) 3:10 Operates only on 2026-03-09 |
| Mon-Thu
07:00
Denver (DEN)
09:10
Seattle-Tacoma (SEA) Alaska Airlines AS 643 Non-stop Boeing 737 (73J) 3:10 Effective 2026-03-10 through 2026-03-17 |
| Wed
07:00
Denver (DEN)
09:00
Seattle-Tacoma (SEA) Alaska Airlines AS 643 Non-stop Boeing 737 (73J) 3:00 Operates only on 2026-03-18 |
| Daily
07:00
Denver (DEN)
09:07
Seattle-Tacoma (SEA) Alaska Airlines AS 643 Non-stop Boeing 737 (73J) 3:07 Effective 2026-03-19 through 2026-05-12 |
| Daily
07:00
Denver (DEN)
09:05
Seattle-Tacoma (SEA) Alaska Airlines AS 643 Non-stop Boeing 737 (73J) 3:05 Effective from 2026-10-03 |
| Daily
08:00
Denver (DEN)
10:08
Seattle-Tacoma (SEA) Alaska Airlines AS 643 Non-stop Boeing 737 (73J) 3:08 Valid until 2026-01-06 |
| Tue,Wed
20:30
Denver (DEN)
22:30
Seattle-Tacoma (SEA) Southwest Airlines WN 659 Non-stop Boeing 737-800 (73H) 3:00 Effective 2026-03-10 through 2026-04-01 |
| Mon,Thu,Fri
20:50
Denver (DEN)
22:50
Seattle-Tacoma (SEA) Southwest Airlines WN 659 Non-stop Boeing 737-700 (Scimitar Winglets) 3:00 Effective 2026-03-05 through 2026-04-06 |
| Sat
20:55
Denver (DEN)
22:55
Seattle-Tacoma (SEA) Southwest Airlines WN 659 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Effective 2026-03-07 through 2026-04-04 |
| Sun
21:10
Denver (DEN)
23:05
Seattle-Tacoma (SEA) Southwest Airlines WN 659 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2026-03-08 through 2026-04-05 |
| Mon
12:12
Denver (DEN)
14:18
Seattle-Tacoma (SEA) Alaska Airlines AS 682 Non-stop Boeing 737-800 (73H) 3:06 Valid until 2026-01-05 |
| Thu
12:12
Denver (DEN)
14:18
Seattle-Tacoma (SEA) Alaska Airlines AS 682 Non-stop Boeing 737 MAX 9 (7M9) 3:06 Operates only on 2026-01-01 |
| Fri
12:12
Denver (DEN)
14:18
Seattle-Tacoma (SEA) Alaska Airlines AS 682 Non-stop Boeing 737-700 (73G) 3:06 Operates only on 2026-01-02 |
| Tue
12:12
Denver (DEN)
14:18
Seattle-Tacoma (SEA) Alaska Airlines AS 682 Non-stop Boeing 737-800 (73H) 3:06 Operates only on 2026-01-06 |
| Wed
12:35
Denver (DEN)
14:35
Seattle-Tacoma (SEA) Alaska Airlines AS 682 Non-stop Boeing 737 (73J) 3:00 Operates only on 2026-03-18 |
| Daily
12:35
Denver (DEN)
14:37
Seattle-Tacoma (SEA) Alaska Airlines AS 682 Non-stop Boeing 737 (73J) 3:02 Effective 2026-03-19 through 2026-05-12 |
| Daily
12:49
Denver (DEN)
14:50
Seattle-Tacoma (SEA) Alaska Airlines AS 682 Non-stop Boeing 737 (73J) 3:01 Effective from 2026-06-10 |
| Daily
12:56
Denver (DEN)
14:55
Seattle-Tacoma (SEA) Alaska Airlines AS 682 Non-stop Boeing 737 (73J) 2:59 Effective 2026-05-13 through 2026-06-09 |
| Daily
08:00
Denver (DEN)
10:04
Seattle-Tacoma (SEA) Alaska Airlines AS 715 Non-stop Boeing 737 (73J) 3:04 Effective 2026-06-10 through 2026-10-02 |
| Daily
09:00
Denver (DEN)
11:04
Seattle-Tacoma (SEA) Alaska Airlines AS 715 Non-stop Boeing 737 (73J) 3:04 Effective from 2026-10-03 |
| Sun
19:25
Denver (DEN)
21:25
Seattle-Tacoma (SEA) Southwest Airlines WN 760 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Effective 2026-06-07 through 2026-08-02 |
| Fri
11:40
Denver (DEN)
13:44
Seattle-Tacoma (SEA) United Airlines UA 769 Non-stop Boeing 737-800 (738) 3:04 Operates only on 2026-02-13 |
| Wed,Thu,Sun
11:45
Denver (DEN)
13:49
Seattle-Tacoma (SEA) United Airlines UA 769 Non-stop Boeing 737-900 (739) 3:04 Effective 2026-02-12 through 2026-02-19 |
| Sat
11:45
Denver (DEN)
13:49
Seattle-Tacoma (SEA) United Airlines UA 769 Non-stop Airbus A320 (320) 3:04 Effective 2026-02-14 through 2026-02-28 |
| Mon
11:45
Denver (DEN)
13:49
Seattle-Tacoma (SEA) United Airlines UA 769 Non-stop Boeing 737 MAX 9 (7M9) 3:04 Operates only on 2026-02-16 |
| Mon,Tue
11:45
Denver (DEN)
13:49
Seattle-Tacoma (SEA) United Airlines UA 769 Non-stop Boeing 737-800 (738) 3:04 Effective 2026-02-17 through 2026-03-03 |
| Wed-Fri,Sun
11:45
Denver (DEN)
13:49
Seattle-Tacoma (SEA) United Airlines UA 769 Non-stop Boeing 737-900 (739) 3:04 Effective 2026-02-20 through 2026-03-04 |
| Thu
12:34
Denver (DEN)
14:41
Seattle-Tacoma (SEA) Alaska Airlines AS 783 Non-stop Boeing 737 MAX 9 (7M9) 3:07 Operates only on 2026-02-12 |
| Mon,Tue,Thu,Fri
12:34
Denver (DEN)
14:41
Seattle-Tacoma (SEA) Alaska Airlines AS 783 Non-stop Boeing 737-800 (73H) 3:07 Effective 2026-02-13 through 2026-02-20 |
| Sat,Sun
12:34
Denver (DEN)
14:41
Seattle-Tacoma (SEA) Alaska Airlines AS 783 Non-stop Boeing 737 MAX 8 (7M8) 3:07 Effective 2026-02-14 through 2026-02-28 |
| Wed
12:34
Denver (DEN)
14:41
Seattle-Tacoma (SEA) Alaska Airlines AS 783 Non-stop Boeing 737 (73J) 3:07 Effective 2026-02-18 through 2026-02-25 |
| Mon
12:34
Denver (DEN)
14:41
Seattle-Tacoma (SEA) Alaska Airlines AS 783 Non-stop Boeing 737 MAX 9 (7M9) 3:07 Effective 2026-02-23 through 2026-03-02 |
| Tue,Thu,Fri
12:34
Denver (DEN)
14:41
Seattle-Tacoma (SEA) Alaska Airlines AS 783 Non-stop Boeing 737-800 (73H) 3:07 Effective 2026-02-24 through 2026-03-06 |
| Wed,Sun
12:34
Denver (DEN)
14:41
Seattle-Tacoma (SEA) Alaska Airlines AS 783 Non-stop Boeing 737 (73J) 3:07 Effective 2026-03-01 through 2026-03-04 |
| Tue,Sat
12:34
Denver (DEN)
14:41
Seattle-Tacoma (SEA) Alaska Airlines AS 783 Non-stop Boeing 737 MAX 8 (7M8) 3:07 Effective 2026-03-07 through 2026-03-10 |
| Sun
12:34
Denver (DEN)
14:41
Seattle-Tacoma (SEA) Alaska Airlines AS 783 Non-stop Boeing 737 MAX 9 (7M9) 3:07 Operates only on 2026-03-08 |
| Mon,Thu,Fri
12:34
Denver (DEN)
14:41
Seattle-Tacoma (SEA) Alaska Airlines AS 783 Non-stop Boeing 737-800 (73H) 3:07 Effective 2026-03-09 through 2026-03-13 |
| Wed,Sat,Sun
12:34
Denver (DEN)
14:41
Seattle-Tacoma (SEA) Alaska Airlines AS 783 Non-stop Boeing 737 (73J) 3:07 Effective 2026-03-11 through 2026-03-15 |
| Mon
12:34
Denver (DEN)
14:41
Seattle-Tacoma (SEA) Alaska Airlines AS 783 Non-stop Boeing 737 MAX 9 (7M9) 3:07 Operates only on 2026-03-16 |
| Tue
12:34
Denver (DEN)
14:41
Seattle-Tacoma (SEA) Alaska Airlines AS 783 Non-stop Boeing 737 MAX 8 (7M8) 3:07 Operates only on 2026-03-17 |
| Wed
13:34
Denver (DEN)
15:40
Seattle-Tacoma (SEA) Alaska Airlines AS 784 Non-stop Boeing 737 (73J) 3:06 Operates only on 2026-01-14 |
| Mon,Tue,Thu,Sun
17:09
Denver (DEN)
19:15
Seattle-Tacoma (SEA) Alaska Airlines AS 785 Non-stop Boeing 737 (73J) 3:06 Effective 2026-01-08 through 2026-01-13 |
| Thu-Sat
17:09
Denver (DEN)
19:15
Seattle-Tacoma (SEA) Alaska Airlines AS 785 Non-stop Boeing 737-800 (73H) 3:06 Effective 2026-01-09 through 2026-01-15 |
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Parallax here DEN-SEA
- 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.
