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

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sun 05:01 Denver (DEN) 07:00 Seattle-Tacoma (SEA)
Frontier Airlines F9 1175 Non-stop Airbus A321 (321) 2:59 Valid until 2024-09-01
Wed 05:04 Denver (DEN) 07:09 Seattle-Tacoma (SEA)
Frontier Airlines F9 1175 Non-stop Airbus A321neo (32Q) 3:05 Effective 2024-10-09 through 2024-10-23
Mon,Fri 05:05 Denver (DEN) 07:04 Seattle-Tacoma (SEA)
Frontier Airlines F9 1175 Non-stop Airbus A321neo (32Q) 2:59 Valid until 2024-09-02
Wed 05:05 Denver (DEN) 07:04 Seattle-Tacoma (SEA)
Frontier Airlines F9 1175 Non-stop Airbus A321neo (32Q) 2:59 Operates only on 2024-09-04
Mon,Tue,Thu,Sun 05:55 Denver (DEN) 08:00 Seattle-Tacoma (SEA)
Frontier Airlines F9 1175 Non-stop Airbus A321neo (32Q) 3:05 Effective 2024-10-08 through 2024-10-24
Fri 05:55 Denver (DEN) 08:00 Seattle-Tacoma (SEA)
Frontier Airlines F9 1175 Non-stop Airbus A320 (320) 3:05 Effective 2024-10-11 through 2024-10-25
Mon,Wed,Thu,Sat 06:00 Denver (DEN) 08:01 Seattle-Tacoma (SEA)
Frontier Airlines F9 1175 Non-stop Airbus A321neo (32Q) 3:01 Effective 2024-09-05 through 2024-10-07
Fri 06:00 Denver (DEN) 08:01 Seattle-Tacoma (SEA)
Frontier Airlines F9 1175 Non-stop Airbus A320neo (32N) 3:01 Operates only on 2024-09-06
Tue,Sun 06:00 Denver (DEN) 08:01 Seattle-Tacoma (SEA)
Frontier Airlines F9 1175 Non-stop Airbus A321 (321) 3:01 Effective 2024-09-08 through 2024-09-15
Fri 06:00 Denver (DEN) 08:01 Seattle-Tacoma (SEA)
Frontier Airlines F9 1175 Non-stop Airbus A320 (320) 3:01 Effective 2024-09-13 through 2024-10-04
Tue 06:00 Denver (DEN) 08:01 Seattle-Tacoma (SEA)
Frontier Airlines F9 1175 Non-stop Airbus A320neo (32N) 3:01 Operates only on 2024-09-17
Tue,Sun 06:00 Denver (DEN) 08:01 Seattle-Tacoma (SEA)
Frontier Airlines F9 1175 Non-stop Airbus A321 (321) 3:01 Effective 2024-09-22 through 2024-10-06
Sat 06:00 Denver (DEN) 08:07 Seattle-Tacoma (SEA)
Frontier Airlines F9 1175 Non-stop Airbus A321neo (32Q) 3:07 Effective 2024-10-12 through 2024-10-26
Daily 06:35 Denver (DEN) 08:37 Seattle-Tacoma (SEA)
Frontier Airlines F9 1175 Non-stop Airbus A320neo (32N) 3:02 Effective 2024-10-27 through 2025-04-21
Tue 06:36 Denver (DEN) 08:38 Seattle-Tacoma (SEA)
Frontier Airlines F9 1175 Non-stop Airbus A321 (321) 3:02 Valid until 2024-09-03
Tue 17:17 Denver (DEN) 19:19 Seattle-Tacoma (SEA)
Frontier Airlines F9 3405 Non-stop Airbus A320neo (32N) 3:02 Effective 2024-10-08 through 2024-10-22
Tue 17:21 Denver (DEN) 19:19 Seattle-Tacoma (SEA)
Frontier Airlines F9 3405 Non-stop Airbus A321neo (32Q) 2:58 Effective 2024-09-10 through 2024-10-01
Wed 17:23 Denver (DEN) 19:21 Seattle-Tacoma (SEA)
Frontier Airlines F9 3405 Non-stop Airbus A321neo (32Q) 2:58 Effective 2024-09-11 through 2024-10-02
Wed 17:23 Denver (DEN) 19:25 Seattle-Tacoma (SEA)
Frontier Airlines F9 3405 Non-stop Airbus A321neo (32Q) 3:02 Effective 2024-10-09 through 2024-10-23
Wed 17:58 Denver (DEN) 19:57 Seattle-Tacoma (SEA)
Frontier Airlines F9 3405 Non-stop Airbus A321neo (32Q) 2:59 Valid until 2024-09-04
Mon 18:12 Denver (DEN) 20:16 Seattle-Tacoma (SEA)
Frontier Airlines F9 3405 Non-stop Airbus A320neo (32N) 3:04 Operates only on 2024-10-07
Fri 18:15 Denver (DEN) 20:20 Seattle-Tacoma (SEA)
Frontier Airlines F9 3405 Non-stop Airbus A320neo (32N) 3:05 Operates only on 2024-10-25
Sun 18:40 Denver (DEN) 20:45 Seattle-Tacoma (SEA)
Frontier Airlines F9 3405 Non-stop Airbus A321neo (32Q) 3:05 Effective 2024-10-13 through 2024-10-20
Mon,Fri 18:41 Denver (DEN) 20:46 Seattle-Tacoma (SEA)
Frontier Airlines F9 3405 Non-stop Airbus A320neo (32N) 3:05 Effective 2024-10-11 through 2024-10-21
Thu,Sat 18:42 Denver (DEN) 20:46 Seattle-Tacoma (SEA)
Frontier Airlines F9 3405 Non-stop Airbus A321neo (32Q) 3:04 Effective 2024-09-05 through 2024-10-05
Fri 18:42 Denver (DEN) 20:46 Seattle-Tacoma (SEA)
Frontier Airlines F9 3405 Non-stop Airbus A320neo (32N) 3:04 Effective 2024-09-06 through 2024-10-04
Sun 18:42 Denver (DEN) 20:46 Seattle-Tacoma (SEA)
Frontier Airlines F9 3405 Non-stop Airbus A321 (321) 3:04 Effective 2024-09-08 through 2024-10-06
Thu,Sat 18:42 Denver (DEN) 20:47 Seattle-Tacoma (SEA)
Frontier Airlines F9 3405 Non-stop Airbus A321neo (32Q) 3:05 Effective 2024-10-10 through 2024-10-26
Mon 18:56 Denver (DEN) 20:59 Seattle-Tacoma (SEA)
Frontier Airlines F9 3405 Non-stop Airbus A321neo (32Q) 3:03 Valid until 2024-09-02
Mon,Wed,Fri,Sat 19:08 Denver (DEN) 21:11 Seattle-Tacoma (SEA)
Frontier Airlines F9 3405 Non-stop Airbus A320neo (32N) 3:03 Effective 2024-10-28 through 2025-01-11
Mon,Thu,Fri,Sun 19:08 Denver (DEN) 21:11 Seattle-Tacoma (SEA)
Frontier Airlines F9 3405 Non-stop Airbus A320neo (32N) 3:03 Effective 2025-01-12 through 2025-02-10
Mon,Wed,Fri,Sat 19:08 Denver (DEN) 21:11 Seattle-Tacoma (SEA)
Frontier Airlines F9 3405 Non-stop Airbus A320neo (32N) 3:03 Effective 2025-02-14 through 2025-04-21
Mon 18:12 Denver (DEN) 20:16 Seattle-Tacoma (SEA)
Frontier Airlines F9 3407 Non-stop Airbus A320neo (32N) 3:04 Effective 2024-09-09 through 2024-09-30
Tue 15:18 Denver (DEN) 17:15 Seattle-Tacoma (SEA)
Frontier Airlines F9 4647 Non-stop Airbus A321 (321) 2:57 Operates only on 2024-09-03
Sun 16:25 Denver (DEN) 18:26 Seattle-Tacoma (SEA)
Frontier Airlines F9 4647 Non-stop Airbus A321neo (32Q) 3:01 Valid until 2024-09-01




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Frontier Airlines flights from Denver (DEN) to Seattle-Tacoma (SEA).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Frontier Airlines F91175
05:01
Denver (DEN)

07:00
Seattle-Tacoma (SEA)
Valid until 2024-09-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:59, non-stop
Airbus A321 (321)
Frontier Airlines F91175
05:04
Denver (DEN)

07:09
Seattle-Tacoma (SEA)
Effective 2024-10-09 through 2024-10-23
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:05, non-stop
Airbus A321neo (32Q)
Frontier Airlines F91175
05:05
Denver (DEN)

07:04
Seattle-Tacoma (SEA)
Valid until 2024-09-02
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:59, non-stop
Airbus A321neo (32Q)
Frontier Airlines F91175
05:05
Denver (DEN)

07:04
Seattle-Tacoma (SEA)
Operates only on 2024-09-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:59, non-stop
Airbus A321neo (32Q)
Frontier Airlines F91175
05:55
Denver (DEN)

08:00
Seattle-Tacoma (SEA)
Effective 2024-10-08 through 2024-10-24
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 3:05, non-stop
Airbus A321neo (32Q)
Frontier Airlines F91175
05:55
Denver (DEN)

08:00
Seattle-Tacoma (SEA)
Effective 2024-10-11 through 2024-10-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:05, non-stop
Airbus A320 (320)
Frontier Airlines F91175
06:00
Denver (DEN)

08:01
Seattle-Tacoma (SEA)
Effective 2024-09-05 through 2024-10-07
Mon
Tue
-
Wed
Thu
Fri
-
Sat
Sun
-
Duration: 3:01, non-stop
Airbus A321neo (32Q)
Frontier Airlines F91175
06:00
Denver (DEN)

08:01
Seattle-Tacoma (SEA)
Operates only on 2024-09-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:01, non-stop
Airbus A320neo (32N)
Frontier Airlines F91175
06:00
Denver (DEN)

08:01
Seattle-Tacoma (SEA)
Effective 2024-09-08 through 2024-09-15
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:01, non-stop
Airbus A321 (321)
Frontier Airlines F91175
06:00
Denver (DEN)

08:01
Seattle-Tacoma (SEA)
Effective 2024-09-13 through 2024-10-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:01, non-stop
Airbus A320 (320)
Frontier Airlines F91175
06:00
Denver (DEN)

08:01
Seattle-Tacoma (SEA)
Operates only on 2024-09-17
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:01, non-stop
Airbus A320neo (32N)
Frontier Airlines F91175
06:00
Denver (DEN)

08:01
Seattle-Tacoma (SEA)
Effective 2024-09-22 through 2024-10-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:01, non-stop
Airbus A321 (321)
Frontier Airlines F91175
06:00
Denver (DEN)

08:07
Seattle-Tacoma (SEA)
Effective 2024-10-12 through 2024-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:07, non-stop
Airbus A321neo (32Q)
Frontier Airlines F91175
06:35
Denver (DEN)

08:37
Seattle-Tacoma (SEA)
Effective 2024-10-27 through 2025-04-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:02, non-stop
Airbus A320neo (32N)
Frontier Airlines F91175
06:36
Denver (DEN)

08:38
Seattle-Tacoma (SEA)
Valid until 2024-09-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:02, non-stop
Airbus A321 (321)
Frontier Airlines F93405
17:17
Denver (DEN)

19:19
Seattle-Tacoma (SEA)
Effective 2024-10-08 through 2024-10-22
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:02, non-stop
Airbus A320neo (32N)
Frontier Airlines F93405
17:21
Denver (DEN)

19:19
Seattle-Tacoma (SEA)
Effective 2024-09-10 through 2024-10-01
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:58, non-stop
Airbus A321neo (32Q)
Frontier Airlines F93405
17:23
Denver (DEN)

19:21
Seattle-Tacoma (SEA)
Effective 2024-09-11 through 2024-10-02
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:58, non-stop
Airbus A321neo (32Q)
Frontier Airlines F93405
17:23
Denver (DEN)

19:25
Seattle-Tacoma (SEA)
Effective 2024-10-09 through 2024-10-23
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:02, non-stop
Airbus A321neo (32Q)
Frontier Airlines F93405
17:58
Denver (DEN)

19:57
Seattle-Tacoma (SEA)
Valid until 2024-09-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:59, non-stop
Airbus A321neo (32Q)
Frontier Airlines F93405
18:12
Denver (DEN)

20:16
Seattle-Tacoma (SEA)
Operates only on 2024-10-07
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:04, non-stop
Airbus A320neo (32N)
Frontier Airlines F93405
18:15
Denver (DEN)

20:20
Seattle-Tacoma (SEA)
Operates only on 2024-10-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:05, non-stop
Airbus A320neo (32N)
Frontier Airlines F93405
18:40
Denver (DEN)

20:45
Seattle-Tacoma (SEA)
Effective 2024-10-13 through 2024-10-20
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:05, non-stop
Airbus A321neo (32Q)
Frontier Airlines F93405
18:41
Denver (DEN)

20:46
Seattle-Tacoma (SEA)
Effective 2024-10-11 through 2024-10-21
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:05, non-stop
Airbus A320neo (32N)
Frontier Airlines F93405
18:42
Denver (DEN)

20:46
Seattle-Tacoma (SEA)
Effective 2024-09-05 through 2024-10-05
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
Sun
-
Duration: 3:04, non-stop
Airbus A321neo (32Q)
Frontier Airlines F93405
18:42
Denver (DEN)

20:46
Seattle-Tacoma (SEA)
Effective 2024-09-06 through 2024-10-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:04, non-stop
Airbus A320neo (32N)
Frontier Airlines F93405
18:42
Denver (DEN)

20:46
Seattle-Tacoma (SEA)
Effective 2024-09-08 through 2024-10-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:04, non-stop
Airbus A321 (321)
Frontier Airlines F93405
18:42
Denver (DEN)

20:47
Seattle-Tacoma (SEA)
Effective 2024-10-10 through 2024-10-26
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
Sun
-
Duration: 3:05, non-stop
Airbus A321neo (32Q)
Frontier Airlines F93405
18:56
Denver (DEN)

20:59
Seattle-Tacoma (SEA)
Valid until 2024-09-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:03, non-stop
Airbus A321neo (32Q)
Frontier Airlines F93405
19:08
Denver (DEN)

21:11
Seattle-Tacoma (SEA)
Effective 2024-10-28 through 2025-01-11
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
-
Duration: 3:03, non-stop
Airbus A320neo (32N)
Frontier Airlines F93405
19:08
Denver (DEN)

21:11
Seattle-Tacoma (SEA)
Effective 2025-01-12 through 2025-02-10
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:03, non-stop
Airbus A320neo (32N)
Frontier Airlines F93405
19:08
Denver (DEN)

21:11
Seattle-Tacoma (SEA)
Effective 2025-02-14 through 2025-04-21
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
-
Duration: 3:03, non-stop
Airbus A320neo (32N)
Frontier Airlines F93407
18:12
Denver (DEN)

20:16
Seattle-Tacoma (SEA)
Effective 2024-09-09 through 2024-09-30
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:04, non-stop
Airbus A320neo (32N)
Frontier Airlines F94647
15:18
Denver (DEN)

17:15
Seattle-Tacoma (SEA)
Operates only on 2024-09-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:57, non-stop
Airbus A321 (321)
Frontier Airlines F94647
16:25
Denver (DEN)

18:26
Seattle-Tacoma (SEA)
Valid until 2024-09-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:01, non-stop
Airbus A321neo (32Q)
  • 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 2:57 and 3:07.
All DEN-SEA flights
All Frontier Airlines flights
Return (SEA-DEN) flights
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