All airlines flying from Denver (DEN) to Seattle-Tacoma (SEA).

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FLIGHT SCHEDULE
Direct Flights:
Wed-Sun 16:02 Denver (DEN) 18:03 Seattle-Tacoma (SEA) United Airlines UA 2013 Non-stop Boeing 737 MAX 9 (7M9) 3:01 Effective 2026-02-25 through 2026-03-04
Mon-Thu,Sun 16:04 Denver (DEN) 18:04 Seattle-Tacoma (SEA) United Airlines UA 2013 Non-stop Boeing 737 MAX 9 (7M9) 3:00 Effective 2026-03-05 through 2026-03-26
Fri 16:04 Denver (DEN) 18:04 Seattle-Tacoma (SEA) United Airlines UA 2013 Non-stop Airbus A320 (320) 3:00 Effective 2026-03-06 through 2026-03-27
Sat 16:04 Denver (DEN) 18:04 Seattle-Tacoma (SEA) United Airlines UA 2013 Non-stop Airbus A319 (319) 3:00 Effective 2026-03-07 through 2026-03-28
Daily 16:09 Denver (DEN) 18:09 Seattle-Tacoma (SEA) United Airlines UA 2013 Non-stop Airbus A320 (320) 3:00 Effective from 2026-04-30
Daily 16:20 Denver (DEN) 18:26 Seattle-Tacoma (SEA) United Airlines UA 2013 Non-stop Airbus A320 (320) 3:06 Effective 2026-01-06 through 2026-02-11
Tue,Wed 09:15 Denver (DEN) 11:10 Seattle-Tacoma (SEA) Southwest Airlines WN 2014 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2026-08-04 through 2026-09-30
Tue,Wed 15:00 Denver (DEN) 16:55 Seattle-Tacoma (SEA) Southwest Airlines WN 2068 Non-stop Boeing 737-800 (73H) 2:55 Effective 2026-04-07 through 2026-06-03
Sat 20:10 Denver (DEN) 22:10 Seattle-Tacoma (SEA) Southwest Airlines WN 2068 Non-stop Boeing 737-800 (73H) 3:00 Effective 2026-04-11 through 2026-05-30
Sun 20:40 Denver (DEN) 22:40 Seattle-Tacoma (SEA) Southwest Airlines WN 2068 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Operates only on 2026-05-24
Sun 21:00 Denver (DEN) 23:00 Seattle-Tacoma (SEA) Southwest Airlines WN 2068 Non-stop Boeing 737-700 (Scimitar Winglets) 3:00 Effective 2026-04-12 through 2026-05-17
Sun 21:00 Denver (DEN) 23:00 Seattle-Tacoma (SEA) Southwest Airlines WN 2068 Non-stop Boeing 737-700 (Scimitar Winglets) 3:00 Operates only on 2026-05-31
Mon,Thu,Fri 21:35 Denver (DEN) 23:30 Seattle-Tacoma (SEA) Southwest Airlines WN 2068 Non-stop Boeing 737-700 (Scimitar Winglets) 2:55 Effective 2026-04-09 through 2026-06-01
Daily 13:55 Denver (DEN) 15:54 Seattle-Tacoma (SEA) United Airlines UA 2164 Non-stop Boeing 737-800 (738) 2:59 Effective 2026-05-21 through 2026-10-24
Thu 07:45 Denver (DEN) 09:55 Seattle-Tacoma (SEA) United Airlines UA 2271 Non-stop Boeing 737-800 (738) 3:10 Valid until 2026-01-01
Mon-Wed,Fri-Sun 07:45 Denver (DEN) 09:56 Seattle-Tacoma (SEA) United Airlines UA 2271 Non-stop Airbus A320 (320) 3:11 Valid until 2026-01-04
Mon 07:45 Denver (DEN) 09:56 Seattle-Tacoma (SEA) United Airlines UA 2271 Non-stop Airbus A319 (319) 3:11 Operates only on 2026-01-05
Tue 07:45 Denver (DEN) 09:54 Seattle-Tacoma (SEA) United Airlines UA 2271 Non-stop Boeing 737-900 (739) 3:09 Operates only on 2026-01-06
Daily 07:45 Denver (DEN) 09:55 Seattle-Tacoma (SEA) United Airlines UA 2271 Non-stop Boeing 737-800 (738) 3:10 Effective 2026-01-07 through 2026-02-03
Daily 07:45 Denver (DEN) 09:55 Seattle-Tacoma (SEA) United Airlines UA 2271 Non-stop Boeing 737-800 (738) 3:10 Effective 2026-02-05 through 2026-02-11
Daily 07:45 Denver (DEN) 09:49 Seattle-Tacoma (SEA) United Airlines UA 2271 Non-stop Boeing 737 MAX 9 (7M9) 3:04 Effective 2026-02-12 through 2026-03-04
Daily 07:45 Denver (DEN) 09:49 Seattle-Tacoma (SEA) United Airlines UA 2271 Non-stop Boeing 737-900 (739) 3:04 Effective 2026-03-05 through 2026-03-28
Daily 07:45 Denver (DEN) 09:45 Seattle-Tacoma (SEA) United Airlines UA 2271 Non-stop Boeing 737-800 (738) 3:00 Effective 2026-03-29 through 2026-04-29
Daily 08:00 Denver (DEN) 09:59 Seattle-Tacoma (SEA) United Airlines UA 2271 Non-stop Boeing 737-800 (738) 2:59 Effective from 2026-04-30
Daily 18:30 Denver (DEN) 20:40 Seattle-Tacoma (SEA) Delta Air Lines DL 2543 Non-stop Airbus A220-100 (221) 3:10 Effective 2026-05-07 through 2026-10-05
Daily 18:30 Denver (DEN) 20:41 Seattle-Tacoma (SEA) Delta Air Lines DL 2543 Non-stop Airbus A220-100 (221) 3:11 Effective from 2026-10-06
Sun 12:45 Denver (DEN) 14:40 Seattle-Tacoma (SEA) Southwest Airlines WN 2595 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2026-04-12 through 2026-05-17
Sun 12:45 Denver (DEN) 14:40 Seattle-Tacoma (SEA) Southwest Airlines WN 2595 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Operates only on 2026-05-31
Sun 13:25 Denver (DEN) 15:20 Seattle-Tacoma (SEA) Southwest Airlines WN 2595 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Operates only on 2026-05-24
Mon,Tue,Fri,Sun 17:15 Denver (DEN) 19:15 Seattle-Tacoma (SEA) Southwest Airlines WN 2626 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Valid until 2026-01-04
Sat 19:10 Denver (DEN) 21:10 Seattle-Tacoma (SEA) Southwest Airlines WN 2626 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Valid until 2026-01-03
Wed,Thu 08:10 Denver (DEN) 10:15 Seattle-Tacoma (SEA) Southwest Airlines WN 2628 Non-stop Boeing 737-700 (73W) 3:05 Valid until 2026-01-01
Mon,Tue,Fri,Sun 22:35 Denver (DEN) 00:35 Seattle-Tacoma (SEA) Southwest Airlines WN 2628 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Valid until 2026-01-05 The flight arrives 1 day after departure.
Sat 22:45 Denver (DEN) 00:50 Seattle-Tacoma (SEA) Southwest Airlines WN 2628 Non-stop Boeing 737 MAX 8 (7M8) 3:05 Valid until 2026-01-03 The flight arrives 1 day after departure.
Fri 20:30 Denver (DEN) 22:37 Seattle-Tacoma (SEA) United Airlines UA 2651 Non-stop Boeing 737-800 (738) 3:07 Valid until 2026-01-02
Mon,Wed-Fri,Sun 20:54 Denver (DEN) 22:59 Seattle-Tacoma (SEA) United Airlines UA 2651 Non-stop Boeing 737 MAX 9 (7M9) 3:05 Effective 2026-02-12 through 2026-02-22
Wed-Fri,Sun 20:54 Denver (DEN) 22:59 Seattle-Tacoma (SEA) United Airlines UA 2651 Non-stop Boeing 737 MAX 9 (7M9) 3:05 Effective 2026-02-25 through 2026-03-27
Daily 20:54 Denver (DEN) 22:54 Seattle-Tacoma (SEA) United Airlines UA 2651 Non-stop Boeing 737-800 (738) 3:00 Effective 2026-03-29 through 2026-04-29
Daily 21:00 Denver (DEN) 22:59 Seattle-Tacoma (SEA) United Airlines UA 2651 Non-stop Boeing 737 MAX 8 (7M8) 2:59 Effective from 2026-04-30
Mon,Tue,Thu,Sat,Sun 21:05 Denver (DEN) 23:12 Seattle-Tacoma (SEA) United Airlines UA 2651 Non-stop Boeing 737 MAX 8 (7M8) 3:07 Valid until 2026-01-04
Mon 21:05 Denver (DEN) 23:12 Seattle-Tacoma (SEA) United Airlines UA 2651 Non-stop Airbus A320 (320) 3:07 Operates only on 2026-01-05
Daily 12:20 Denver (DEN) 14:28 Seattle-Tacoma (SEA) Delta Air Lines DL 2740 Non-stop Airbus A220-300 (223) 3:08 Valid until 2026-01-04
Daily 12:20 Denver (DEN) 14:26 Seattle-Tacoma (SEA) Delta Air Lines DL 2740 Non-stop Airbus A220-100 (221) 3:06 Effective 2026-04-13 through 2026-05-06
Daily 12:20 Denver (DEN) 14:26 Seattle-Tacoma (SEA) Delta Air Lines DL 2740 Non-stop Airbus A220-300 (223) 3:06 Effective 2026-05-07 through 2026-10-05
Daily 12:20 Denver (DEN) 14:31 Seattle-Tacoma (SEA) Delta Air Lines DL 2740 Non-stop Airbus A220-300 (223) 3:11 Effective from 2026-10-06
Wed,Thu 20:55 Denver (DEN) 22:55 Seattle-Tacoma (SEA) Southwest Airlines WN 2919 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Valid until 2026-01-01
Mon-Fri 10:05 Denver (DEN) 12:05 Seattle-Tacoma (SEA) Southwest Airlines WN 3051 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Effective 2026-06-04 through 2026-08-03
Sun 12:35 Denver (DEN) 14:25 Seattle-Tacoma (SEA) Southwest Airlines WN 3051 Non-stop Boeing 737-800 (73H) 2:50 Effective 2026-06-07 through 2026-08-02
Tue,Wed 16:25 Denver (DEN) 18:20 Seattle-Tacoma (SEA) Southwest Airlines WN 3063 Non-stop Boeing 737-700 (Scimitar Winglets) 2:55 Effective 2026-03-10 through 2026-04-01
Mon,Thu,Fri,Sun 17:20 Denver (DEN) 19:15 Seattle-Tacoma (SEA) Southwest Airlines WN 3063 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2026-03-05 through 2026-04-06

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Parallax here DEN-SEA

1 2 3 4 5 6 7 8 ... 15 16 17

A domestic route departing from the Denver airport (DEN) and arriving at Seattle-Tacoma airport (SEA).
The flight distance is 1022 miles, or 1644 km.
The timezone of the departure airport is UTC-7 , and the timezone of the arrival airport is UTC-8 . 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 2:50 and 3:20.

Return (SEA-DEN) flights

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All airlines flying from Denver (DEN) to Seattle-Tacoma (SEA).

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FLIGHT SCHEDULE

Direct Flights:

United Airlines UA2013

16:02

Denver (DEN)

18:03

Seattle-Tacoma (SEA)

Effective 2026-02-25 through 2026-03-04

Mon
-

Tue
-

Wed

Thu

Fri

Sat

Sun

Duration: 3:01, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

United Airlines UA2013

16:04

Denver (DEN)

18:04

Seattle-Tacoma (SEA)

Effective 2026-03-05 through 2026-03-26

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun

Duration: 3:00, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

United Airlines UA2013

16:04

Denver (DEN)

18:04

Seattle-Tacoma (SEA)

Effective 2026-03-06 through 2026-03-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 3:00, non-stop
Airbus A320 (320)

Direct Flights:

United Airlines UA2013

16:04

Denver (DEN)

18:04

Seattle-Tacoma (SEA)

Effective 2026-03-07 through 2026-03-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:00, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA2013

16:09

Denver (DEN)

18:09

Seattle-Tacoma (SEA)

Effective from 2026-04-30

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:00, non-stop
Airbus A320 (320)

Direct Flights:

United Airlines UA2013

16:20

Denver (DEN)

18:26

Seattle-Tacoma (SEA)

Effective 2026-01-06 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:06, non-stop
Airbus A320 (320)

Direct Flights:

Southwest Airlines WN2014

09:15

Denver (DEN)

11:10

Seattle-Tacoma (SEA)

Effective 2026-08-04 through 2026-09-30

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2068

15:00

Denver (DEN)

16:55

Seattle-Tacoma (SEA)

Effective 2026-04-07 through 2026-06-03

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:55, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN2068

20:10

Denver (DEN)

22:10

Seattle-Tacoma (SEA)

Effective 2026-04-11 through 2026-05-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:00, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN2068

20:40

Denver (DEN)

22:40

Seattle-Tacoma (SEA)

Operates only on 2026-05-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2068

21:00

Denver (DEN)

23:00

Seattle-Tacoma (SEA)

Effective 2026-04-12 through 2026-05-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:00, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN2068

21:00

Denver (DEN)

23:00

Seattle-Tacoma (SEA)

Operates only on 2026-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:00, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN2068

21:35

Denver (DEN)

23:30

Seattle-Tacoma (SEA)

Effective 2026-04-09 through 2026-06-01

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:55, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

United Airlines UA2164

13:55

Denver (DEN)

15:54

Seattle-Tacoma (SEA)

Effective 2026-05-21 through 2026-10-24

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:59, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA2271

07:45

Denver (DEN)

09:55

Seattle-Tacoma (SEA)

Valid until 2026-01-01

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:10, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA2271

07:45

Denver (DEN)

09:56

Seattle-Tacoma (SEA)

Valid until 2026-01-04

Mon

Tue

Wed

Thu
-

Fri

Sat

Sun

Duration: 3:11, non-stop
Airbus A320 (320)

Direct Flights:

United Airlines UA2271

07:45

Denver (DEN)

09:56

Seattle-Tacoma (SEA)

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:11, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA2271

07:45

Denver (DEN)

09:54

Seattle-Tacoma (SEA)

Operates only on 2026-01-06

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:09, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA2271

07:45

Denver (DEN)

09:55

Seattle-Tacoma (SEA)

Effective 2026-01-07 through 2026-02-03

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:10, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA2271

07:45

Denver (DEN)

09:55

Seattle-Tacoma (SEA)

Effective 2026-02-05 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:10, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA2271

07:45

Denver (DEN)

09:49

Seattle-Tacoma (SEA)

Effective 2026-02-12 through 2026-03-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:04, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

United Airlines UA2271

07:45

Denver (DEN)

09:49

Seattle-Tacoma (SEA)

Effective 2026-03-05 through 2026-03-28

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:04, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA2271

07:45

Denver (DEN)

09:45

Seattle-Tacoma (SEA)

Effective 2026-03-29 through 2026-04-29

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:00, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA2271

08:00

Denver (DEN)

09:59

Seattle-Tacoma (SEA)

Effective from 2026-04-30

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:59, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL2543

18:30

Denver (DEN)

20:40

Seattle-Tacoma (SEA)

Effective 2026-05-07 through 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:10, non-stop
Airbus A220-100 (221)

Direct Flights:

Delta Air Lines DL2543

18:30

Denver (DEN)

20:41

Seattle-Tacoma (SEA)

Effective from 2026-10-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:11, non-stop
Airbus A220-100 (221)

Direct Flights:

Southwest Airlines WN2595

12:45

Denver (DEN)

14:40

Seattle-Tacoma (SEA)

Effective 2026-04-12 through 2026-05-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2595

12:45

Denver (DEN)

14:40

Seattle-Tacoma (SEA)

Operates only on 2026-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2595

13:25

Denver (DEN)

15:20

Seattle-Tacoma (SEA)

Operates only on 2026-05-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2626

17:15

Denver (DEN)

19:15

Seattle-Tacoma (SEA)

Valid until 2026-01-04

Mon

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2626

19:10

Denver (DEN)

21:10

Seattle-Tacoma (SEA)

Valid until 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2628

08:10

Denver (DEN)

10:15

Seattle-Tacoma (SEA)

Valid until 2026-01-01

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:05, non-stop
Boeing 737-700 (73W)

Direct Flights:

Southwest Airlines WN2628

22:35

Denver (DEN)

00:35(+1)

Seattle-Tacoma (SEA)

Valid until 2026-01-05

Mon

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN2628

22:45

Denver (DEN)

00:50(+1)

Seattle-Tacoma (SEA)

Valid until 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:05, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Direct Flights:

United Airlines UA2651

20:30

Denver (DEN)

22:37

Seattle-Tacoma (SEA)

Valid until 2026-01-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 3:07, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA2651

20:54

Denver (DEN)

22:59

Seattle-Tacoma (SEA)

Effective 2026-02-12 through 2026-02-22

Mon

Tue
-

Wed

Thu

Fri

Sat
-

Sun

Duration: 3:05, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

United Airlines UA2651

20:54

Denver (DEN)

22:59

Seattle-Tacoma (SEA)

Effective 2026-02-25 through 2026-03-27

Mon
-

Tue
-

Wed

Thu

Fri

Sat
-

Sun

Duration: 3:05, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

United Airlines UA2651

20:54

Denver (DEN)

22:54

Seattle-Tacoma (SEA)

Effective 2026-03-29 through 2026-04-29

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:00, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA2651

21:00

Denver (DEN)

22:59

Seattle-Tacoma (SEA)

Effective from 2026-04-30

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:59, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

United Airlines UA2651

21:05

Denver (DEN)

23:12

Seattle-Tacoma (SEA)

Valid until 2026-01-04

Mon

Tue

Wed
-

Thu

Fri
-

Sat

Sun

Duration: 3:07, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

United Airlines UA2651

21:05

Denver (DEN)

23:12

Seattle-Tacoma (SEA)

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:07, non-stop
Airbus A320 (320)

Direct Flights:

Delta Air Lines DL2740

12:20

Denver (DEN)

14:28

Seattle-Tacoma (SEA)

Valid until 2026-01-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:08, non-stop
Airbus A220-300 (223)

Direct Flights:

Delta Air Lines DL2740

12:20

Denver (DEN)

14:26

Seattle-Tacoma (SEA)

Effective 2026-04-13 through 2026-05-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:06, non-stop
Airbus A220-100 (221)

Direct Flights:

Delta Air Lines DL2740

12:20

Denver (DEN)

14:26

Seattle-Tacoma (SEA)

Effective 2026-05-07 through 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:06, non-stop
Airbus A220-300 (223)

Direct Flights:

Delta Air Lines DL2740

12:20

Denver (DEN)

14:31

Seattle-Tacoma (SEA)

Effective from 2026-10-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:11, non-stop
Airbus A220-300 (223)

Direct Flights:

Southwest Airlines WN2919

20:55

Denver (DEN)

22:55

Seattle-Tacoma (SEA)

Valid until 2026-01-01

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3051

10:05

Denver (DEN)

12:05

Seattle-Tacoma (SEA)

Effective 2026-06-04 through 2026-08-03

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3051

12:35

Denver (DEN)

14:25

Seattle-Tacoma (SEA)

Effective 2026-06-07 through 2026-08-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:50, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3063

16:25

Denver (DEN)

18:20

Seattle-Tacoma (SEA)

Effective 2026-03-10 through 2026-04-01

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:55, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3063

17:20

Denver (DEN)

19:15

Seattle-Tacoma (SEA)

Effective 2026-03-05 through 2026-04-06

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)

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Parallax here DEN-SEA

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A domestic route departing from the Denver airport (DEN) and arriving at Seattle-Tacoma airport (SEA).
The flight distance is 1022 miles, or 1644 km.
The timezone of the departure airport is UTC-7 , and the timezone of the arrival airport is UTC-8 . 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 2:50 and 3:20.

Return (SEA-DEN) flights

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