United Airlines flights from Denver (DEN) to Seattle-Tacoma (SEA).
| FLIGHT SCHEDULE |
|---|
| Direct Flights: |
| Wed-Fri,Sun
20:54
Denver (DEN)
22:59
Seattle-Tacoma (SEA) United Airlines UA 2651 Non-stop Boeing 737 MAX 9 (7M9) 3:05 Effective 2026-02-25 through 2026-03-27 |
| Daily
20:54
Denver (DEN)
22:54
Seattle-Tacoma (SEA) United Airlines UA 2651 Non-stop Boeing 737-800 (738) 3:00 Effective 2026-03-29 through 2026-04-29 |
| Daily
21:00
Denver (DEN)
22:59
Seattle-Tacoma (SEA) United Airlines UA 2651 Non-stop Boeing 737 MAX 8 (7M8) 2:59 Effective from 2026-04-30 |
| Mon,Tue,Thu,Sat,Sun
21:05
Denver (DEN)
23:12
Seattle-Tacoma (SEA) United Airlines UA 2651 Non-stop Boeing 737 MAX 8 (7M8) 3:07 Valid until 2026-01-04 |
| Mon
21:05
Denver (DEN)
23:12
Seattle-Tacoma (SEA) United Airlines UA 2651 Non-stop Airbus A320 (320) 3:07 Operates only on 2026-01-05 |
| Non-Direct Flights: |
| Mon,Wed-Fri,Sun
17:47
Denver (DEN)
23:28
Seattle-Tacoma (SEA) United Airlines UA 1007 1-stop Boeing 757-200 (752) 6:41 Effective 2026-03-05 through 2026-03-27 |
| Daily
17:52
Denver (DEN)
23:36
Seattle-Tacoma (SEA) United Airlines UA 1007 1-stop Airbus A321neo (32Q) 6:44 Effective 2026-03-29 through 2026-04-29 |
| Daily
17:52
Denver (DEN)
23:29
Seattle-Tacoma (SEA) United Airlines UA 1007 1-stop Airbus A321neo (32Q) 6:37 Effective 2026-04-30 through 2026-05-20 |
| Daily
17:52
Denver (DEN)
23:21
Seattle-Tacoma (SEA) United Airlines UA 1007 1-stop Airbus A321neo (32Q) 6:29 Effective 2026-05-21 through 2026-08-10 |
| Daily
17:52
Denver (DEN)
23:28
Seattle-Tacoma (SEA) United Airlines UA 1007 1-stop Airbus A321neo (32Q) 6:36 Effective 2026-08-11 through 2026-10-24 |
| Daily
17:52
Denver (DEN)
23:21
Seattle-Tacoma (SEA) United Airlines UA 1007 1-stop Airbus A321neo (32Q) 6:29 Effective from 2026-10-25 |
| Mon,Thu,Fri
07:45
Denver (DEN)
20:56
Seattle-Tacoma (SEA) United Airlines UA 326 2-stop Boeing 737-800 (738) 14:11 Effective 2026-02-12 through 2026-03-02 |
| Sat
07:45
Denver (DEN)
20:56
Seattle-Tacoma (SEA) United Airlines UA 326 2-stop Boeing 737 MAX 8 (7M8) 14:11 Effective 2026-02-14 through 2026-02-28 |
| Sun
07:45
Denver (DEN)
20:56
Seattle-Tacoma (SEA) United Airlines UA 326 2-stop Boeing 737 MAX 8 (7M8) 14:11 Effective 2026-02-15 through 2026-03-01 |
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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 2:59 and 3:11.
