All airlines flying from Seattle-Tacoma (SEA) to Denver (DEN).
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| FLIGHT SCHEDULE |
|---|
| Direct Flights: |
| 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 |
| Daily
08:28
Seattle-Tacoma (SEA)
12:23
Denver (DEN) Delta Air Lines DL 3675 Non-stop Embraer EMB 175 (E7W) 2:55 Effective 2026-03-08 through 2026-04-12 |
| 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 |
| Daily
08:15
Seattle-Tacoma (SEA)
12:15
Denver (DEN) Delta Air Lines DL 3685 Non-stop Embraer EMB 175 (E7W) 3:00 Effective 2026-02-12 through 2026-03-07 |
| Daily
08:25
Seattle-Tacoma (SEA)
12:27
Denver (DEN) Delta Air Lines DL 3685 Non-stop Embraer EMB 175 (E7W) 3:02 Effective 2026-01-05 through 2026-01-23 |
| Mon-Fri,Sun
08:25
Seattle-Tacoma (SEA)
12:27
Denver (DEN) Delta Air Lines DL 3685 Non-stop Embraer EMB 175 (E7W) 3:02 Effective 2026-01-25 through 2026-02-11 |
| Sat
08:35
Seattle-Tacoma (SEA)
12:28
Denver (DEN) Delta Air Lines DL 3685 Non-stop Embraer EMB 175 (E7W) 2:53 Effective 2026-01-24 through 2026-02-07 |
| Daily
13:35
Seattle-Tacoma (SEA)
17:28
Denver (DEN) Delta Air Lines DL 4026 Non-stop Embraer EMB 175 (E7W) 2:53 Effective 2026-03-08 through 2026-03-14 |
| Daily
13:35
Seattle-Tacoma (SEA)
17:29
Denver (DEN) Delta Air Lines DL 4026 Non-stop Embraer EMB 175 (E7W) 2:54 Effective 2026-03-15 through 2026-04-12 |
| Daily
13:40
Seattle-Tacoma (SEA)
17:27
Denver (DEN) Delta Air Lines DL 4026 Non-stop Embraer EMB 175 (E7W) 2:47 Effective 2026-02-12 through 2026-03-07 |
| Daily
13:45
Seattle-Tacoma (SEA)
17:34
Denver (DEN) Delta Air Lines DL 4026 Non-stop Embraer EMB 175 (E7W) 2:49 Effective 2026-01-05 through 2026-02-11 |
| Daily
13:50
Seattle-Tacoma (SEA)
17:40
Denver (DEN) Delta Air Lines DL 4026 Non-stop Embraer EMB 175 (E7W) 2:50 Effective 2026-04-13 through 2026-05-06 |
| 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 |
| Sun
13:45
Seattle-Tacoma (SEA)
17:30
Denver (DEN) Southwest Airlines WN 4195 Non-stop Boeing 737-800 (73H) 2:45 Operates only on 2026-05-24 |
| Mon,Thu,Fri
13:55
Seattle-Tacoma (SEA)
17:40
Denver (DEN) Southwest Airlines WN 4195 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2026-04-09 through 2026-06-01 |
| Sun
14:20
Seattle-Tacoma (SEA)
18:00
Denver (DEN) Southwest Airlines WN 4195 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-04-12 through 2026-05-17 |
| Sun
14:20
Seattle-Tacoma (SEA)
18:00
Denver (DEN) Southwest Airlines WN 4195 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Operates only on 2026-05-31 |
| Sun
09:00
Seattle-Tacoma (SEA)
12:40
Denver (DEN) Southwest Airlines WN 4507 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-08-09 through 2026-09-27 |
| Sat
10:20
Seattle-Tacoma (SEA)
14:10
Denver (DEN) Southwest Airlines WN 4507 Non-stop Boeing 737-700 (Scimitar Winglets) 2:50 Effective 2026-08-08 through 2026-09-26 |
| Tue,Wed
11:10
Seattle-Tacoma (SEA)
14:50
Denver (DEN) Southwest Airlines WN 4507 Non-stop Boeing 737-800 (73H) 2:40 Effective 2026-08-04 through 2026-09-30 |
| Mon,Thu,Fri
13:50
Seattle-Tacoma (SEA)
17:40
Denver (DEN) Southwest Airlines WN 4507 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-08-06 through 2026-09-28 |
| Tue,Wed
09:00
Seattle-Tacoma (SEA)
12:35
Denver (DEN) Southwest Airlines WN 4660 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2026-03-10 through 2026-04-01 |
| Mon,Thu,Fri
09:05
Seattle-Tacoma (SEA)
12:40
Denver (DEN) Southwest Airlines WN 4660 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2026-03-05 through 2026-04-06 |
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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.
