Southwest Airlines flights from Seattle-Tacoma (SEA) to Denver (DEN).
| FLIGHT SCHEDULE |
|---|
| Direct Flights: |
| Sun
14:45
Seattle-Tacoma (SEA)
18:15
Denver (DEN) Southwest Airlines WN 1841 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Effective 2026-03-08 through 2026-04-05 |
| Sun
18:25
Seattle-Tacoma (SEA)
22:10
Denver (DEN) Southwest Airlines WN 2079 Non-stop Boeing 737-800 (73H) 2:45 Effective 2026-08-09 through 2026-09-27 |
| Wed,Thu
05:40
Seattle-Tacoma (SEA)
09:15
Denver (DEN) Southwest Airlines WN 2141 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Valid until 2026-01-01 |
| Tue,Wed
19:30
Seattle-Tacoma (SEA)
23:05
Denver (DEN) Southwest Airlines WN 2328 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2026-06-09 through 2026-07-29 |
| 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 |
| 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 |
| 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 |
| 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 |
| Mon-Fri
06:05
Seattle-Tacoma (SEA)
09:40
Denver (DEN) Southwest Airlines WN 3485 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2026-01-06 through 2026-01-14 |
| Tue-Fri,Sun
06:05
Seattle-Tacoma (SEA)
09:40
Denver (DEN) Southwest Airlines WN 3485 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2026-01-18 through 2026-01-23 |
| Mon-Fri
06:05
Seattle-Tacoma (SEA)
09:40
Denver (DEN) Southwest Airlines WN 3485 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2026-01-26 through 2026-02-04 |
| Tue,Wed,Sun
06:05
Seattle-Tacoma (SEA)
09:40
Denver (DEN) Southwest Airlines WN 3485 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2026-02-08 through 2026-02-11 |
| Tue,Wed
06:05
Seattle-Tacoma (SEA)
09:40
Denver (DEN) Southwest Airlines WN 3485 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2026-02-18 through 2026-03-04 |
| Sat
06:50
Seattle-Tacoma (SEA)
10:25
Denver (DEN) Southwest Airlines WN 3485 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2026-02-14 through 2026-02-28 |
| Mon,Thu,Fri
18:10
Seattle-Tacoma (SEA)
21:55
Denver (DEN) Southwest Airlines WN 3485 Non-stop Boeing 737-800 (73H) 2:45 Effective 2026-08-06 through 2026-09-28 |
| Sat
05:00
Seattle-Tacoma (SEA)
08:35
Denver (DEN) Southwest Airlines WN 3615 Non-stop Boeing 737-800 (73H) 2:35 Effective 2026-06-06 through 2026-08-01 |
| Mon,Thu,Fri
05:15
Seattle-Tacoma (SEA)
08:50
Denver (DEN) Southwest Airlines WN 3615 Non-stop Boeing 737-700 (Scimitar Winglets) 2:35 Effective 2026-06-04 through 2026-08-03 |
| Tue,Wed
05:15
Seattle-Tacoma (SEA)
08:50
Denver (DEN) Southwest Airlines WN 3615 Non-stop Boeing 737-800 (73H) 2:35 Effective 2026-06-09 through 2026-07-29 |
| Sun
05:30
Seattle-Tacoma (SEA)
09:05
Denver (DEN) Southwest Airlines WN 3615 Non-stop Boeing 737-800 (73H) 2:35 Effective 2026-06-07 through 2026-08-02 |
| Mon,Thu,Fri
12:20
Seattle-Tacoma (SEA)
16:10
Denver (DEN) Southwest Airlines WN 3616 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-06-04 through 2026-08-03 |
| Sat
13:30
Seattle-Tacoma (SEA)
17:20
Denver (DEN) Southwest Airlines WN 3617 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-06-06 through 2026-08-01 |
| Mon,Thu,Fri
14:35
Seattle-Tacoma (SEA)
18:20
Denver (DEN) Southwest Airlines WN 3617 Non-stop Boeing 737-800 (73H) 2:45 Effective 2026-06-04 through 2026-08-03 |
| Sun
17:05
Seattle-Tacoma (SEA)
20:45
Denver (DEN) Southwest Airlines WN 3617 Non-stop Boeing 737-800 (73H) 2:40 Effective 2026-06-07 through 2026-08-02 |
| Thu,Fri,Sun
08:35
Seattle-Tacoma (SEA)
12:15
Denver (DEN) Southwest Airlines WN 3677 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-01-11 through 2026-01-16 |
| Mon,Sun
08:35
Seattle-Tacoma (SEA)
12:15
Denver (DEN) Southwest Airlines WN 3677 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-01-19 through 2026-01-25 |
| Thu,Fri,Sun
08:35
Seattle-Tacoma (SEA)
12:15
Denver (DEN) Southwest Airlines WN 3677 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-02-01 through 2026-02-06 |
| Mon,Sun
08:35
Seattle-Tacoma (SEA)
12:15
Denver (DEN) Southwest Airlines WN 3677 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-02-09 through 2026-02-15 |
| Mon,Tue,Thu
08:35
Seattle-Tacoma (SEA)
12:15
Denver (DEN) Southwest Airlines WN 3677 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-02-17 through 2026-02-23 |
| Mon
08:35
Seattle-Tacoma (SEA)
12:15
Denver (DEN) Southwest Airlines WN 3677 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Operates only on 2026-03-02 |
| Mon,Thu,Fri
09:35
Seattle-Tacoma (SEA)
13:15
Denver (DEN) Southwest Airlines WN 4045 Non-stop Boeing 737-700 (Scimitar Winglets) 2:40 Effective 2026-02-12 through 2026-02-16 |
| Thu,Fri,Sun
09:35
Seattle-Tacoma (SEA)
13:15
Denver (DEN) Southwest Airlines WN 4045 Non-stop Boeing 737-700 (Scimitar Winglets) 2:40 Effective 2026-02-20 through 2026-03-01 |
| Sat
17:15
Seattle-Tacoma (SEA)
20:45
Denver (DEN) Southwest Airlines WN 4090 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Valid until 2026-01-03 |
| Mon,Thu,Fri
08:10
Seattle-Tacoma (SEA)
11:55
Denver (DEN) Southwest Airlines WN 4194 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2026-04-09 through 2026-06-01 |
| Sat
09:00
Seattle-Tacoma (SEA)
12:40
Denver (DEN) Southwest Airlines WN 4194 Non-stop Boeing 737-800 (73H) 2:40 Effective 2026-04-11 through 2026-05-30 |
| Sun
11:05
Seattle-Tacoma (SEA)
14:45
Denver (DEN) Southwest Airlines WN 4194 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-04-12 through 2026-05-17 |
| Sun
11:05
Seattle-Tacoma (SEA)
14:45
Denver (DEN) Southwest Airlines WN 4194 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Operates only on 2026-05-31 |
| Tue,Wed
09:20
Seattle-Tacoma (SEA)
13:00
Denver (DEN) Southwest Airlines WN 4195 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-04-07 through 2026-06-03 |
| Sat
13:00
Seattle-Tacoma (SEA)
16:40
Denver (DEN) Southwest Airlines WN 4195 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-04-11 through 2026-05-30 |
- 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 2:55.
