All airlines flying from Seattle-Tacoma (SEA) to Denver (DEN).
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| FLIGHT SCHEDULE |
|---|
| Direct Flights: |
| Daily
05:00
Seattle-Tacoma (SEA)
08:43
Denver (DEN) United Airlines UA 2601 Non-stop Boeing 737-800 (738) 2:43 Effective 2026-03-29 through 2026-04-29 |
| Daily
05:07
Seattle-Tacoma (SEA)
08:50
Denver (DEN) United Airlines UA 2601 Non-stop Boeing 737 MAX 8 (7M8) 2:43 Effective from 2026-04-30 |
| Tue,Wed
16:45
Seattle-Tacoma (SEA)
20:30
Denver (DEN) Southwest Airlines WN 2720 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2026-06-09 through 2026-07-29 |
| Daily
07:30
Seattle-Tacoma (SEA)
11:22
Denver (DEN) Delta Air Lines DL 2740 Non-stop Airbus A220-300 (223) 2:52 Valid until 2026-01-04 |
| Mon,Tue,Fri-Sun
13:35
Seattle-Tacoma (SEA)
17:14
Denver (DEN) Delta Air Lines DL 2759 Non-stop Airbus A220-100 (221) 2:39 Valid until 2026-01-04 |
| Daily
13:50
Seattle-Tacoma (SEA)
17:38
Denver (DEN) Delta Air Lines DL 2759 Non-stop Airbus A220-100 (221) 2:48 Effective 2026-05-07 through 2026-10-05 |
| Daily
13:50
Seattle-Tacoma (SEA)
17:35
Denver (DEN) Delta Air Lines DL 2759 Non-stop Airbus A220-100 (221) 2:45 Effective from 2026-10-06 |
| Mon-Fri,Sun
19:35
Seattle-Tacoma (SEA)
23:23
Denver (DEN) Delta Air Lines DL 2851 Non-stop Airbus A220-300 (223) 2:48 Valid until 2026-01-04 |
| Sat
19:35
Seattle-Tacoma (SEA)
23:23
Denver (DEN) Delta Air Lines DL 2851 Non-stop Airbus A220-100 (221) 2:48 Operates only on 2026-01-03 |
| Daily
19:40
Seattle-Tacoma (SEA)
23:25
Denver (DEN) Delta Air Lines DL 2851 Non-stop Airbus A220-300 (223) 2:45 Effective 2026-01-05 through 2026-03-07 |
| Daily
19:40
Seattle-Tacoma (SEA)
23:30
Denver (DEN) Delta Air Lines DL 2851 Non-stop Airbus A220-300 (223) 2:50 Effective 2026-04-13 through 2026-10-05 |
| Daily
19:40
Seattle-Tacoma (SEA)
23:28
Denver (DEN) Delta Air Lines DL 2851 Non-stop Airbus A220-300 (223) 2:48 Effective from 2026-10-06 |
| Daily
19:45
Seattle-Tacoma (SEA)
23:30
Denver (DEN) Delta Air Lines DL 2851 Non-stop Airbus A220-300 (223) 2:45 Effective 2026-03-08 through 2026-03-14 |
| Daily
19:45
Seattle-Tacoma (SEA)
23:31
Denver (DEN) Delta Air Lines DL 2851 Non-stop Airbus A220-300 (223) 2:46 Effective 2026-03-15 through 2026-04-12 |
| Mon,Thu,Fri
10:45
Seattle-Tacoma (SEA)
14:30
Denver (DEN) Southwest Airlines WN 2860 Non-stop Boeing 737-800 (73H) 2:45 Effective 2026-08-06 through 2026-09-28 |
| Mon,Tue,Thu-Sun
15:30
Seattle-Tacoma (SEA)
19:15
Denver (DEN) United Airlines UA 2860 Non-stop Boeing 737-800 (738) 2:45 Effective 2026-03-05 through 2026-03-17 |
| Wed
15:30
Seattle-Tacoma (SEA)
19:16
Denver (DEN) United Airlines UA 2860 Non-stop Airbus A319 (319) 2:46 Operates only on 2026-03-11 |
| Daily
15:30
Seattle-Tacoma (SEA)
19:15
Denver (DEN) United Airlines UA 2860 Non-stop Boeing 737-800 (738) 2:45 Effective 2026-03-18 through 2026-03-28 |
| Tue,Wed
18:15
Seattle-Tacoma (SEA)
22:00
Denver (DEN) Southwest Airlines WN 2860 Non-stop Boeing 737-800 (73H) 2:45 Effective 2026-08-04 through 2026-09-30 |
| Mon,Thu,Fri
07:50
Seattle-Tacoma (SEA)
11:25
Denver (DEN) Southwest Airlines WN 3397 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2026-06-04 through 2026-08-03 |
| Sun
08:45
Seattle-Tacoma (SEA)
12:25
Denver (DEN) Southwest Airlines WN 3397 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-06-07 through 2026-08-02 |
| Sat
09:45
Seattle-Tacoma (SEA)
13:25
Denver (DEN) Southwest Airlines WN 3397 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-06-06 through 2026-08-01 |
| Mon,Thu,Fri,Sun
12:19
Seattle-Tacoma (SEA)
16:10
Denver (DEN) Frontier Airlines F9 3406 Non-stop Airbus A320 (320) 2:51 Effective 2026-01-15 through 2026-01-19 |
| Mon,Thu,Fri,Sun
12:24
Seattle-Tacoma (SEA)
16:15
Denver (DEN) Frontier Airlines F9 3406 Non-stop Airbus A320neo (32N) 2:51 Effective 2026-03-06 through 2026-03-30 |
| Thu,Fri,Sun
12:26
Seattle-Tacoma (SEA)
16:17
Denver (DEN) Frontier Airlines F9 3406 Non-stop Airbus A320neo (32N) 2:51 Effective 2026-01-08 through 2026-01-11 |
| Sun
12:29
Seattle-Tacoma (SEA)
16:20
Denver (DEN) Frontier Airlines F9 3406 Non-stop Airbus A320neo (32N) 2:51 Effective 2026-02-15 through 2026-02-22 |
| Mon,Fri
12:30
Seattle-Tacoma (SEA)
16:20
Denver (DEN) Frontier Airlines F9 3406 Non-stop Airbus A320neo (32N) 2:50 Effective 2026-02-13 through 2026-03-02 |
| Thu,Fri,Sun
12:34
Seattle-Tacoma (SEA)
16:25
Denver (DEN) Frontier Airlines F9 3406 Non-stop Airbus A320neo (32N) 2:51 Effective 2026-01-22 through 2026-01-29 |
| Mon,Fri
12:34
Seattle-Tacoma (SEA)
16:25
Denver (DEN) Frontier Airlines F9 3406 Non-stop Airbus A321neo (32Q) 2:51 Effective 2026-01-26 through 2026-02-02 |
| Thu,Fri,Sun
12:34
Seattle-Tacoma (SEA)
16:25
Denver (DEN) Frontier Airlines F9 3406 Non-stop Airbus A320neo (32N) 2:51 Effective 2026-02-01 through 2026-02-08 |
| Mon
12:34
Seattle-Tacoma (SEA)
16:25
Denver (DEN) Frontier Airlines F9 3406 Non-stop Airbus A321neo (32Q) 2:51 Operates only on 2026-02-09 |
| Sun
12:34
Seattle-Tacoma (SEA)
16:25
Denver (DEN) Frontier Airlines F9 3406 Non-stop Airbus A320neo (32N) 2:51 Operates only on 2026-03-01 |
| Tue
13:00
Seattle-Tacoma (SEA)
16:53
Denver (DEN) Frontier Airlines F9 3406 Non-stop Airbus A320neo (32N) 2:53 Operates only on 2026-01-06 |
| Thu
13:16
Seattle-Tacoma (SEA)
17:07
Denver (DEN) Frontier Airlines F9 3406 Non-stop Airbus A321neo (32Q) 2:51 Effective 2026-02-12 through 2026-03-05 |
| Sat
13:16
Seattle-Tacoma (SEA)
17:07
Denver (DEN) Frontier Airlines F9 3406 Non-stop Airbus A320neo (32N) 2:51 Effective 2026-02-14 through 2026-02-28 |
| Thu
13:25
Seattle-Tacoma (SEA)
17:18
Denver (DEN) Frontier Airlines F9 3406 Non-stop Airbus A321neo (32Q) 2:53 Valid until 2026-01-01 |
| Sat
14:49
Seattle-Tacoma (SEA)
18:38
Denver (DEN) Frontier Airlines F9 3406 Non-stop Airbus A320neo (32N) 2:49 Operates only on 2026-01-10 |
| Mon,Tue,Fri-Sun
14:54
Seattle-Tacoma (SEA)
18:43
Denver (DEN) Frontier Airlines F9 3406 Non-stop Airbus A321neo (32Q) 2:49 Valid until 2026-01-05 |
| Mon,Thu-Sun
14:54
Seattle-Tacoma (SEA)
18:43
Denver (DEN) Frontier Airlines F9 3406 Non-stop Airbus A321 (321) 2:49 Effective 2026-04-02 through 2026-04-13 |
| Sat
15:58
Seattle-Tacoma (SEA)
19:46
Denver (DEN) Frontier Airlines F9 3406 Non-stop Airbus A320neo (32N) 2:48 Operates only on 2026-01-17 |
| Sun
17:20
Seattle-Tacoma (SEA)
21:00
Denver (DEN) Southwest Airlines WN 3427 Non-stop Boeing 737-700 (Scimitar Winglets) 2:40 Operates only on 2026-05-24 |
| Sat
12:40
Seattle-Tacoma (SEA)
16:25
Denver (DEN) Southwest Airlines WN 3460 Non-stop Boeing 737-700 (Scimitar Winglets) 2:45 Effective 2026-08-08 through 2026-09-26 |
| Mon,Thu,Fri
05:00
Seattle-Tacoma (SEA)
08:35
Denver (DEN) Southwest Airlines WN 3485 Non-stop Boeing 737-800 (73H) 2:35 Effective 2026-02-12 through 2026-02-16 |
| Thu,Fri,Sun
05:00
Seattle-Tacoma (SEA)
08:35
Denver (DEN) Southwest Airlines WN 3485 Non-stop Boeing 737-800 (73H) 2:35 Effective 2026-02-20 through 2026-03-01 |
| Thu-Sun
05:15
Seattle-Tacoma (SEA)
08:50
Denver (DEN) Southwest Airlines WN 3485 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2026-01-10 through 2026-01-17 |
| Mon,Sat,Sun
05:15
Seattle-Tacoma (SEA)
08:50
Denver (DEN) Southwest Airlines WN 3485 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2026-01-19 through 2026-01-25 |
| Thu-Sun
05:15
Seattle-Tacoma (SEA)
08:50
Denver (DEN) Southwest Airlines WN 3485 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2026-01-31 through 2026-02-07 |
| Mon,Sun
05:15
Seattle-Tacoma (SEA)
08:50
Denver (DEN) Southwest Airlines WN 3485 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2026-02-09 through 2026-02-15 |
| Mon,Tue,Thu
05:15
Seattle-Tacoma (SEA)
08:50
Denver (DEN) Southwest Airlines WN 3485 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2026-02-17 through 2026-02-23 |
| Mon
05:15
Seattle-Tacoma (SEA)
08:50
Denver (DEN) Southwest Airlines WN 3485 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Operates only on 2026-03-02 |
Ad flat here 8924483383 I FlightInfo Lower
Parallax here SEA-DEN
- 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 2:30 and 3:02.
