United Airlines flights from Seattle-Tacoma (SEA) to Denver (DEN).
| FLIGHT SCHEDULE |
|---|
| Direct Flights: |
| Mon-Fri,Sun
08:57
Seattle-Tacoma (SEA)
12:43
Denver (DEN) United Airlines UA 347 Non-stop Airbus A320 (320) 2:46 Effective 2025-08-01 through 2025-08-18 |
| Sat
08:57
Seattle-Tacoma (SEA)
12:43
Denver (DEN) United Airlines UA 347 Non-stop Airbus A319 (319) 2:46 Effective 2025-08-02 through 2025-08-16 |
| Daily
08:50
Seattle-Tacoma (SEA)
12:36
Denver (DEN) United Airlines UA 617 Non-stop Airbus A321neo (32Q) 2:46 Valid until 2025-05-21 |
| Thu
08:58
Seattle-Tacoma (SEA)
12:44
Denver (DEN) United Airlines UA 617 Non-stop Airbus A321neo (32Q) 2:46 Operates only on 2025-05-22 |
| Tue-Sun
08:58
Seattle-Tacoma (SEA)
12:44
Denver (DEN) United Airlines UA 617 Non-stop Airbus A320 (320) 2:46 Effective 2025-05-23 through 2025-06-01 |
| Daily
08:58
Seattle-Tacoma (SEA)
12:44
Denver (DEN) United Airlines UA 617 Non-stop Airbus A320 (320) 2:46 Effective 2025-06-02 through 2025-06-25 |
| Mon
09:02
Seattle-Tacoma (SEA)
12:44
Denver (DEN) United Airlines UA 617 Non-stop Airbus A320 (320) 2:42 Operates only on 2025-05-26 |
| Daily
12:49
Seattle-Tacoma (SEA)
16:40
Denver (DEN) United Airlines UA 757 Non-stop Airbus A321neo (32Q) 2:51 Effective 2025-06-26 through 2025-07-31 |
| Thu
15:25
Seattle-Tacoma (SEA)
19:11
Denver (DEN) United Airlines UA 757 Non-stop Airbus A320 (320) 2:46 Operates only on 2025-05-01 |
| Daily
15:25
Seattle-Tacoma (SEA)
19:11
Denver (DEN) United Airlines UA 757 Non-stop Boeing 737-800 (738) 2:46 Effective 2025-05-02 through 2025-05-21 |
| Daily
15:45
Seattle-Tacoma (SEA)
19:29
Denver (DEN) United Airlines UA 757 Non-stop Boeing 737-900 (739) 2:44 Effective 2025-09-25 through 2025-10-25 |
| Daily
15:51
Seattle-Tacoma (SEA)
19:35
Denver (DEN) United Airlines UA 757 Non-stop Boeing 737-900 (739) 2:44 Effective 2025-08-19 through 2025-09-24 |
| Daily
15:51
Seattle-Tacoma (SEA)
19:35
Denver (DEN) United Airlines UA 757 Non-stop Boeing 737-800 (738) 2:44 Effective from 2025-10-26 |
| Sat
19:00
Seattle-Tacoma (SEA)
22:51
Denver (DEN) United Airlines UA 757 Non-stop Boeing 737 MAX 8 (7M8) 2:51 Effective 2025-08-02 through 2025-08-16 |
| Mon-Thu,Sun
19:00
Seattle-Tacoma (SEA)
22:51
Denver (DEN) United Airlines UA 757 Non-stop Boeing 737-800 (738) 2:51 Effective 2025-08-03 through 2025-08-18 |
| Fri
19:02
Seattle-Tacoma (SEA)
22:53
Denver (DEN) United Airlines UA 757 Non-stop Boeing 737-800 (738) 2:51 Effective 2025-08-01 through 2025-08-15 |
| Wed-Sun
19:59
Seattle-Tacoma (SEA)
23:50
Denver (DEN) United Airlines UA 757 Non-stop Boeing 737 MAX 8 (7M8) 2:51 Effective 2025-05-22 through 2025-06-01 |
| Mon,Tue
19:59
Seattle-Tacoma (SEA)
23:50
Denver (DEN) United Airlines UA 757 Non-stop Boeing 737-900 (739) 2:51 Effective 2025-05-26 through 2025-05-27 |
| Daily
19:59
Seattle-Tacoma (SEA)
23:50
Denver (DEN) United Airlines UA 757 Non-stop Boeing 737 MAX 8 (7M8) 2:51 Effective 2025-06-02 through 2025-06-25 |
| Daily
11:04
Seattle-Tacoma (SEA)
14:51
Denver (DEN) United Airlines UA 1049 Non-stop Boeing 737 MAX 9 (7M9) 2:47 Effective 2025-09-25 through 2025-10-25 |
| Daily
11:05
Seattle-Tacoma (SEA)
14:46
Denver (DEN) United Airlines UA 1049 Non-stop Boeing 737-800 (738) 2:41 Effective 2025-08-19 through 2025-09-24 |
| Tue,Wed,Sat,Sun
10:50
Seattle-Tacoma (SEA)
14:36
Denver (DEN) United Airlines UA 1061 Non-stop Airbus A319 (319) 2:46 Effective 2025-06-01 through 2025-06-25 |
| Mon,Thu,Fri
10:50
Seattle-Tacoma (SEA)
14:36
Denver (DEN) United Airlines UA 1061 Non-stop Boeing 737-800 (738) 2:46 Effective 2025-06-02 through 2025-06-23 |
| Mon,Thu,Fri
11:13
Seattle-Tacoma (SEA)
14:59
Denver (DEN) United Airlines UA 1061 Non-stop Boeing 737-800 (738) 2:46 Effective 2025-05-22 through 2025-05-30 |
| Tue,Wed,Sat,Sun
11:13
Seattle-Tacoma (SEA)
14:59
Denver (DEN) United Airlines UA 1061 Non-stop Airbus A319 (319) 2:46 Effective 2025-05-24 through 2025-05-31 |
| Mon-Thu,Sun
19:00
Seattle-Tacoma (SEA)
22:51
Denver (DEN) United Airlines UA 1218 Non-stop Boeing 737-800 (738) 2:51 Effective 2025-06-26 through 2025-07-31 |
| Sat
19:00
Seattle-Tacoma (SEA)
22:51
Denver (DEN) United Airlines UA 1218 Non-stop Boeing 737 MAX 8 (7M8) 2:51 Operates only on 2025-06-28 |
| Sat
19:00
Seattle-Tacoma (SEA)
22:51
Denver (DEN) United Airlines UA 1218 Non-stop Boeing 737 MAX 8 (7M8) 2:51 Effective 2025-07-12 through 2025-07-26 |
| Daily
19:00
Seattle-Tacoma (SEA)
22:40
Denver (DEN) United Airlines UA 1218 Non-stop Boeing 737-800 (738) 2:40 Effective 2025-09-25 through 2025-10-25 |
| Fri
19:02
Seattle-Tacoma (SEA)
22:53
Denver (DEN) United Airlines UA 1218 Non-stop Boeing 737-800 (738) 2:51 Operates only on 2025-06-27 |
| Fri
19:02
Seattle-Tacoma (SEA)
22:53
Denver (DEN) United Airlines UA 1218 Non-stop Boeing 737-800 (738) 2:51 Effective 2025-07-11 through 2025-07-25 |
| Daily
19:05
Seattle-Tacoma (SEA)
22:45
Denver (DEN) United Airlines UA 1218 Non-stop Boeing 737-800 (738) 2:40 Effective 2025-08-19 through 2025-09-24 |
| Daily
19:10
Seattle-Tacoma (SEA)
22:55
Denver (DEN) United Airlines UA 1218 Non-stop Airbus A320 (320) 2:45 Effective 2025-10-26 through 2025-12-01 |
| Daily
19:10
Seattle-Tacoma (SEA)
22:55
Denver (DEN) United Airlines UA 1218 Non-stop Airbus A320 (320) 2:45 Effective from 2025-12-18 |
| Mon,Thu,Fri,Sun
19:15
Seattle-Tacoma (SEA)
22:56
Denver (DEN) United Airlines UA 1218 Non-stop Boeing 737-800 (738) 2:41 Valid until 2025-05-19 |
| Wed
19:15
Seattle-Tacoma (SEA)
22:56
Denver (DEN) United Airlines UA 1218 Non-stop Airbus A319 (319) 2:41 Effective 2025-05-07 through 2025-05-14 |
| Wed
19:15
Seattle-Tacoma (SEA)
22:56
Denver (DEN) United Airlines UA 1218 Non-stop Boeing 737 MAX 8 (7M8) 2:41 Operates only on 2025-05-21 |
| Mon-Fri,Sun
08:57
Seattle-Tacoma (SEA)
12:43
Denver (DEN) United Airlines UA 1359 Non-stop Airbus A320 (320) 2:46 Effective 2025-06-26 through 2025-07-04 |
| Sat
08:57
Seattle-Tacoma (SEA)
12:43
Denver (DEN) United Airlines UA 1359 Non-stop Airbus A319 (319) 2:46 Operates only on 2025-06-28 |
| Daily
08:57
Seattle-Tacoma (SEA)
12:43
Denver (DEN) United Airlines UA 1359 Non-stop Airbus A320 (320) 2:46 Effective 2025-07-05 through 2025-07-11 |
| Sat
08:57
Seattle-Tacoma (SEA)
12:43
Denver (DEN) United Airlines UA 1359 Non-stop Airbus A319 (319) 2:46 Effective 2025-07-12 through 2025-07-26 |
| Mon-Fri,Sun
08:57
Seattle-Tacoma (SEA)
12:43
Denver (DEN) United Airlines UA 1359 Non-stop Airbus A320 (320) 2:46 Effective 2025-07-13 through 2025-07-31 |
| Daily
12:40
Seattle-Tacoma (SEA)
16:26
Denver (DEN) United Airlines UA 1417 Non-stop Airbus A321neo (32Q) 2:46 Valid until 2025-05-21 |
| Daily
12:43
Seattle-Tacoma (SEA)
16:30
Denver (DEN) United Airlines UA 1417 Non-stop Airbus A321neo (32Q) 2:47 Effective 2025-09-25 through 2025-10-25 |
| Daily
12:44
Seattle-Tacoma (SEA)
16:35
Denver (DEN) United Airlines UA 1417 Non-stop Airbus A321neo (32Q) 2:51 Effective 2025-05-22 through 2025-06-25 |
| Daily
12:46
Seattle-Tacoma (SEA)
16:30
Denver (DEN) United Airlines UA 1417 Non-stop Airbus A321neo (32Q) 2:44 Effective 2025-08-19 through 2025-09-24 |
| Daily
12:46
Seattle-Tacoma (SEA)
16:30
Denver (DEN) United Airlines UA 1417 Non-stop Boeing 737 MAX 9 (7M9) 2:44 Effective from 2025-10-26 |
| Daily
12:49
Seattle-Tacoma (SEA)
16:40
Denver (DEN) United Airlines UA 1417 Non-stop Airbus A321neo (32Q) 2:51 Effective 2025-08-01 through 2025-08-18 |
| Thu
15:35
Seattle-Tacoma (SEA)
19:27
Denver (DEN) United Airlines UA 1476 Non-stop Boeing 737 MAX 8 (7M8) 2:52 Operates only on 2025-05-22 |
| Mon-Fri,Sun
15:35
Seattle-Tacoma (SEA)
19:27
Denver (DEN) United Airlines UA 1476 Non-stop Airbus A320 (320) 2:52 Effective 2025-05-23 through 2025-06-25 |
- 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 2:40 and 2:52.
