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

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri,Sun 12:21 Seattle-Tacoma (SEA) 16:14 Denver (DEN)
Frontier Airlines F9 1176 Non-stop Airbus A320neo (32N) 2:53 Valid until 2025-05-11
Mon,Thu,Sun 12:21 Seattle-Tacoma (SEA) 16:14 Denver (DEN)
Frontier Airlines F9 1176 Non-stop Airbus A320neo (32N) 2:53 Effective 2025-05-15 through 2025-05-19
Mon 12:31 Seattle-Tacoma (SEA) 16:24 Denver (DEN)
Frontier Airlines F9 1176 Non-stop Airbus A321 (321) 2:53 Operates only on 2025-05-12
Fri 12:31 Seattle-Tacoma (SEA) 16:24 Denver (DEN)
Frontier Airlines F9 1176 Non-stop Airbus A321neo (32Q) 2:53 Operates only on 2025-05-16
Mon,Thu,Fri,Sun 19:10 Seattle-Tacoma (SEA) 23:12 Denver (DEN)
Frontier Airlines F9 1176 Non-stop Airbus A320neo (32N) 3:02 Effective 2025-05-22 through 2025-05-26
Thu 19:10 Seattle-Tacoma (SEA) 23:12 Denver (DEN)
Frontier Airlines F9 1176 Non-stop Airbus A320 (320) 3:02 Operates only on 2025-05-29
Fri 19:10 Seattle-Tacoma (SEA) 23:12 Denver (DEN)
Frontier Airlines F9 1176 Non-stop Airbus A320neo (32N) 3:02 Operates only on 2025-05-30
Mon,Thu,Fri,Sun 19:12 Seattle-Tacoma (SEA) 23:05 Denver (DEN)
Frontier Airlines F9 1176 Non-stop Airbus A320neo (32N) 2:53 Effective 2025-06-01 through 2025-06-09
Thu,Sun 19:48 Seattle-Tacoma (SEA) 23:41 Denver (DEN)
Frontier Airlines F9 1176 Non-stop Airbus A321 (321) 2:53 Effective 2025-06-12 through 2025-08-17
Sat 19:48 Seattle-Tacoma (SEA) 23:41 Denver (DEN)
Frontier Airlines F9 1176 Non-stop Airbus A321neo (32Q) 2:53 Effective 2025-06-14 through 2025-08-16
Fri 20:01 Seattle-Tacoma (SEA) 23:56 Denver (DEN)
Frontier Airlines F9 1176 Non-stop Airbus A321 (321) 2:55 Effective 2025-06-13 through 2025-08-15
Mon 20:01 Seattle-Tacoma (SEA) 23:56 Denver (DEN)
Frontier Airlines F9 1176 Non-stop Airbus A321neo (32Q) 2:55 Effective 2025-06-16 through 2025-08-18
Mon,Thu,Sat 06:00 Seattle-Tacoma (SEA) 09:51 Denver (DEN)
Frontier Airlines F9 3406 Non-stop Airbus A321 (321) 2:51 Valid until 2025-05-08
Fri 06:00 Seattle-Tacoma (SEA) 09:51 Denver (DEN)
Frontier Airlines F9 3406 Non-stop Airbus A321neo (32Q) 2:51 Operates only on 2025-05-02
Tue,Sat,Sun 06:00 Seattle-Tacoma (SEA) 09:51 Denver (DEN)
Frontier Airlines F9 3406 Non-stop Airbus A320neo (32N) 2:51 Effective 2025-05-04 through 2025-05-10
Mon,Fri 06:00 Seattle-Tacoma (SEA) 09:51 Denver (DEN)
Frontier Airlines F9 3406 Non-stop Airbus A321 (321) 2:51 Effective 2025-05-09 through 2025-05-19
Thu,Sun 06:00 Seattle-Tacoma (SEA) 09:51 Denver (DEN)
Frontier Airlines F9 3406 Non-stop Airbus A321neo (32Q) 2:51 Effective 2025-05-11 through 2025-05-15
Tue,Sat 06:00 Seattle-Tacoma (SEA) 09:51 Denver (DEN)
Frontier Airlines F9 3406 Non-stop Airbus A320neo (32N) 2:51 Effective 2025-05-13 through 2025-05-20
Sun 06:05 Seattle-Tacoma (SEA) 09:56 Denver (DEN)
Frontier Airlines F9 3406 Non-stop Airbus A320neo (32N) 2:51 Operates only on 2025-05-18
Wed 06:24 Seattle-Tacoma (SEA) 10:15 Denver (DEN)
Frontier Airlines F9 3406 Non-stop Airbus A321neo (32Q) 2:51 Operates only on 2025-05-07
Wed 06:24 Seattle-Tacoma (SEA) 10:15 Denver (DEN)
Frontier Airlines F9 3406 Non-stop Airbus A321 (321) 2:51 Effective 2025-05-14 through 2025-05-21
Mon,Thu 06:25 Seattle-Tacoma (SEA) 10:16 Denver (DEN)
Frontier Airlines F9 3406 Non-stop Airbus A320neo (32N) 2:51 Effective 2025-05-22 through 2025-05-26
Tue-Sun 06:25 Seattle-Tacoma (SEA) 10:16 Denver (DEN)
Frontier Airlines F9 3406 Non-stop Airbus A321neo (32Q) 2:51 Effective 2025-05-23 through 2025-05-31
Daily 06:25 Seattle-Tacoma (SEA) 10:12 Denver (DEN)
Frontier Airlines F9 3406 Non-stop Airbus A321neo (32Q) 2:47 Effective 2025-06-01 through 2025-06-11
Mon,Wed-Sat 06:25 Seattle-Tacoma (SEA) 10:12 Denver (DEN)
Frontier Airlines F9 3406 Non-stop Airbus A321 (321) 2:47 Effective 2025-06-12 through 2025-07-04
Tue,Sun 06:25 Seattle-Tacoma (SEA) 10:12 Denver (DEN)
Frontier Airlines F9 3406 Non-stop Airbus A321neo (32Q) 2:47 Effective 2025-06-15 through 2025-07-01
Mon,Wed-Sat 06:25 Seattle-Tacoma (SEA) 10:14 Denver (DEN)
Frontier Airlines F9 3406 Non-stop Airbus A321 (321) 2:49 Effective 2025-07-05 through 2025-08-18
Tue,Sun 06:25 Seattle-Tacoma (SEA) 10:14 Denver (DEN)
Frontier Airlines F9 3406 Non-stop Airbus A321neo (32Q) 2:49 Effective 2025-07-06 through 2025-08-17
Sat 15:00 Seattle-Tacoma (SEA) 18:54 Denver (DEN)
Frontier Airlines F9 4546 Non-stop Airbus A320neo (32N) 2:54 Effective 2025-05-24 through 2025-05-31


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

Valid until 2025-05-11
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:53, non-stop
Airbus A320neo (32N)

Effective 2025-05-15 through 2025-05-19
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 2:53, non-stop
Airbus A320neo (32N)

Operates only on 2025-05-12
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:53, non-stop
Airbus A321 (321)

Operates only on 2025-05-16
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:53, non-stop
Airbus A321neo (32Q)

Effective 2025-05-22 through 2025-05-26
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:02, non-stop
Airbus A320neo (32N)

Operates only on 2025-05-29
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:02, non-stop
Airbus A320 (320)

Operates only on 2025-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:02, non-stop
Airbus A320neo (32N)

Effective 2025-06-01 through 2025-06-09
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:53, non-stop
Airbus A320neo (32N)

Effective 2025-06-12 through 2025-08-17
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 2:53, non-stop
Airbus A321 (321)

Effective 2025-06-14 through 2025-08-16
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:53, non-stop
Airbus A321neo (32Q)

Effective 2025-06-13 through 2025-08-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:55, non-stop
Airbus A321 (321)

Effective 2025-06-16 through 2025-08-18
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:55, non-stop
Airbus A321neo (32Q)

Valid until 2025-05-08
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
Sun
-
Duration: 2:51, non-stop
Airbus A321 (321)

Operates only on 2025-05-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:51, non-stop
Airbus A321neo (32Q)

Effective 2025-05-04 through 2025-05-10
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 2:51, non-stop
Airbus A320neo (32N)

Effective 2025-05-09 through 2025-05-19
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:51, non-stop
Airbus A321 (321)

Effective 2025-05-11 through 2025-05-15
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 2:51, non-stop
Airbus A321neo (32Q)

Effective 2025-05-13 through 2025-05-20
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:51, non-stop
Airbus A320neo (32N)

Operates only on 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:51, non-stop
Airbus A320neo (32N)

Operates only on 2025-05-07
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:51, non-stop
Airbus A321neo (32Q)

Effective 2025-05-14 through 2025-05-21
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:51, non-stop
Airbus A321 (321)

Effective 2025-05-22 through 2025-05-26
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:51, non-stop
Airbus A320neo (32N)

Effective 2025-05-23 through 2025-05-31
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:51, non-stop
Airbus A321neo (32Q)

Effective 2025-06-01 through 2025-06-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:47, non-stop
Airbus A321neo (32Q)

Effective 2025-06-12 through 2025-07-04
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
-
Duration: 2:47, non-stop
Airbus A321 (321)

Effective 2025-06-15 through 2025-07-01
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:47, non-stop
Airbus A321neo (32Q)

Effective 2025-07-05 through 2025-08-18
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
-
Duration: 2:49, non-stop
Airbus A321 (321)

Effective 2025-07-06 through 2025-08-17
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:49, non-stop
Airbus A321neo (32Q)

Effective 2025-05-24 through 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:54, non-stop
Airbus A320neo (32N)
  • A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Denver airport (DEN).
  • The flight distance is 1022 miles, or 1644 km.
  • The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-7 . 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 2:47 and 3:02.