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

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 21:00 Denver (DEN) 23:05 Seattle-Tacoma (SEA)
United Airlines UA 2651 Non-stop Boeing 737 MAX 9 (7M9) 3:05 Effective 2025-01-07 through 2025-02-12
Daily 21:05 Denver (DEN) 23:05 Seattle-Tacoma (SEA)
United Airlines UA 2651 Non-stop Boeing 737-800 (738) 3:00 Effective 2024-09-26 through 2024-10-25
Sat 21:05 Denver (DEN) 23:05 Seattle-Tacoma (SEA)
United Airlines UA 2651 Non-stop Airbus A320 (320) 3:00 Operates only on 2024-10-26
Wed,Sun 21:05 Denver (DEN) 23:11 Seattle-Tacoma (SEA)
United Airlines UA 2651 Non-stop Airbus A319 (319) 3:06 Effective 2024-10-27 through 2024-11-06
Mon 21:05 Denver (DEN) 23:11 Seattle-Tacoma (SEA)
United Airlines UA 2651 Non-stop Boeing 737-800 (738) 3:06 Operates only on 2024-10-28
Wed-Fri,Sun 21:05 Denver (DEN) 23:11 Seattle-Tacoma (SEA)
United Airlines UA 2651 Non-stop Airbus A319 (319) 3:06 Effective 2024-11-07 through 2024-11-22
Mon 21:05 Denver (DEN) 23:11 Seattle-Tacoma (SEA)
United Airlines UA 2651 Non-stop Boeing 737-800 (738) 3:06 Effective 2024-11-11 through 2024-11-18
Tue,Wed,Fri-Sun 21:05 Denver (DEN) 23:11 Seattle-Tacoma (SEA)
United Airlines UA 2651 Non-stop Airbus A319 (319) 3:06 Effective 2024-11-23 through 2024-11-29
Sat,Sun 21:05 Denver (DEN) 23:11 Seattle-Tacoma (SEA)
United Airlines UA 2651 Non-stop Airbus A320 (320) 3:06 Effective 2024-11-30 through 2024-12-01
Mon 21:05 Denver (DEN) 23:11 Seattle-Tacoma (SEA)
United Airlines UA 2651 Non-stop Airbus A319 (319) 3:06 Operates only on 2024-12-02
Mon,Thu-Sun 21:10 Denver (DEN) 23:17 Seattle-Tacoma (SEA)
United Airlines UA 2651 Non-stop Airbus A319 (319) 3:07 Effective 2024-12-19 through 2024-12-30
Mon,Wed-Sun 21:10 Denver (DEN) 23:17 Seattle-Tacoma (SEA)
United Airlines UA 2651 Non-stop Airbus A319 (319) 3:07 Effective 2025-01-01 through 2025-01-06
Sat 23:59 Denver (DEN) 02:05 Seattle-Tacoma (SEA)
United Airlines UA 2656 Non-stop Boeing 737-900 (739) 3:06 Operates only on 2024-11-30
The flight arrives 1 day after departure.
Sun 23:59 Denver (DEN) 02:05 Seattle-Tacoma (SEA)
United Airlines UA 2656 Non-stop Boeing 737-800 (738) 3:06 Operates only on 2024-12-01
The flight arrives 1 day after departure.
Non-Direct Flights:
Tue,Wed 06:00 Denver (DEN) 10:54 Seattle-Tacoma (SEA)
United Airlines UA 573 1-stop Boeing 757-200 (752) 5:54 Effective 2024-12-03 through 2024-12-11
Daily 06:00 Denver (DEN) 10:54 Seattle-Tacoma (SEA)
United Airlines UA 573 1-stop Boeing 757-200 (752) 5:54 Effective 2024-12-12 through 2024-12-18
Mon,Tue,Thu-Sat 06:00 Denver (DEN) 11:30 Seattle-Tacoma (SEA)
United Airlines UA 573 1-stop Boeing 757-200 (752) 6:30 Effective 2024-12-19 through 2024-12-31
Sun 06:00 Denver (DEN) 11:34 Seattle-Tacoma (SEA)
United Airlines UA 573 1-stop Boeing 757-200 (752) 6:34 Effective 2024-12-22 through 2025-01-05
Mon,Wed-Sat 06:00 Denver (DEN) 11:30 Seattle-Tacoma (SEA)
United Airlines UA 573 1-stop Boeing 757-200 (752) 6:30 Effective 2025-01-01 through 2025-01-06
Daily 06:00 Denver (DEN) 10:44 Seattle-Tacoma (SEA)
United Airlines UA 573 1-stop Boeing 757-200 (752) 5:44 Effective 2025-01-07 through 2025-02-12
Daily 06:00 Denver (DEN) 11:10 Seattle-Tacoma (SEA)
United Airlines UA 573 1-stop Boeing 737-800 (738) 6:10 Effective from 2025-02-13
Mon,Tue,Thu-Sat 07:45 Denver (DEN) 15:21 Seattle-Tacoma (SEA)
United Airlines UA 2391 1-stop Boeing 737-800 (738) 8:36 Effective 2024-12-03 through 2024-12-17
Wed,Sun 07:45 Denver (DEN) 15:21 Seattle-Tacoma (SEA)
United Airlines UA 2391 1-stop Boeing 737 MAX 8 (7M8) 8:36 Effective 2024-12-04 through 2024-12-18
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United Airlines flights from Denver (DEN) to Seattle-Tacoma (SEA).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Effective 2025-01-07 through 2025-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:05, non-stop
Boeing 737 MAX 9 (7M9)

Effective 2024-09-26 through 2024-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:00, non-stop
Boeing 737-800 (738)

Operates only on 2024-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:00, non-stop
Airbus A320 (320)

Effective 2024-10-27 through 2024-11-06
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:06, non-stop
Airbus A319 (319)

Operates only on 2024-10-28
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:06, non-stop
Boeing 737-800 (738)

Effective 2024-11-07 through 2024-11-22
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:06, non-stop
Airbus A319 (319)

Effective 2024-11-11 through 2024-11-18
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:06, non-stop
Boeing 737-800 (738)

Effective 2024-11-23 through 2024-11-29
Mon
-
Tue
Wed
Thu
-
Fri
Sat
Sun
Duration: 3:06, non-stop
Airbus A319 (319)

Effective 2024-11-30 through 2024-12-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 3:06, non-stop
Airbus A320 (320)

Operates only on 2024-12-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:06, non-stop
Airbus A319 (319)

Effective 2024-12-19 through 2024-12-30
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 3:07, non-stop
Airbus A319 (319)

Effective 2025-01-01 through 2025-01-06
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 3:07, non-stop
Airbus A319 (319)

Operates only on 2024-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:06, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.

Operates only on 2024-12-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:06, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.

Non-Direct Flights:

Effective 2024-12-03 through 2024-12-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:54, 1-stop
Boeing 757-200 (752)

Effective 2024-12-12 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:54, 1-stop
Boeing 757-200 (752)

Effective 2024-12-19 through 2024-12-31
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
-
Duration: 6:30, 1-stop
Boeing 757-200 (752)

Effective 2024-12-22 through 2025-01-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 6:34, 1-stop
Boeing 757-200 (752)

Effective 2025-01-01 through 2025-01-06
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
-
Duration: 6:30, 1-stop
Boeing 757-200 (752)

Effective 2025-01-07 through 2025-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:44, 1-stop
Boeing 757-200 (752)

Effective from 2025-02-13
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:10, 1-stop
Boeing 737-800 (738)

Effective 2024-12-03 through 2024-12-17
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
-
Duration: 8:36, 1-stop
Boeing 737-800 (738)

Effective 2024-12-04 through 2024-12-18
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 8:36, 1-stop
Boeing 737 MAX 8 (7M8)
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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 2:56 and 3:08.