WestJet flights from Seattle-Tacoma (SEA) to Denver (DEN).

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon,Fri,Sun 13:35 Seattle-Tacoma (SEA) 17:29 Denver (DEN) WestJet WS 6398 Non-stop Embraer EMB 175 (E7W) 2:54 Effective 2026-03-27 through 2026-03-30 Codeshare flight, operated by Delta Air Lines.(DL 4026)
Fri,Sun 13:35 Seattle-Tacoma (SEA) 17:29 Denver (DEN) WestJet WS 6398 Non-stop Embraer EMB 175 (E7W) 2:54 Effective 2026-04-10 through 2026-04-12 Codeshare flight, operated by Delta Air Lines.(DL 4026)
Mon,Fri-Sun 13:50 Seattle-Tacoma (SEA) 17:40 Denver (DEN) WestJet WS 6398 Non-stop Embraer EMB 175 (E7W) 2:50 Effective 2026-04-13 through 2026-04-19 Codeshare flight, operated by Delta Air Lines.(DL 4026)
Daily 13:50 Seattle-Tacoma (SEA) 17:40 Denver (DEN) WestJet WS 6398 Non-stop Embraer EMB 175 (E7W) 2:50 Effective 2026-04-25 through 2026-05-06 Codeshare flight, operated by Delta Air Lines.(DL 4026)
Mon,Sun 13:35 Seattle-Tacoma (SEA) 17:29 Denver (DEN) WestJet WS 6401 Non-stop Embraer EMB 175 (E7W) 2:54 Effective 2026-04-05 through 2026-04-06 Codeshare flight, operated by Delta Air Lines.(DL 4026)
Sat 19:35 Seattle-Tacoma (SEA) 23:23 Denver (DEN) WestJet WS 6419 Non-stop Airbus A220-100 (221) 2:48 Operates only on 2026-01-03 Codeshare flight, operated by Delta Air Lines.(DL 2851)
Mon,Fri,Sun 13:35 Seattle-Tacoma (SEA) 17:29 Denver (DEN) WestJet WS 6428 Non-stop Embraer EMB 175 (E7W) 2:54 Effective 2026-03-20 through 2026-03-23 Codeshare flight, operated by Delta Air Lines.(DL 4026)
Mon,Sun 13:35 Seattle-Tacoma (SEA) 17:28 Denver (DEN) WestJet WS 6430 Non-stop Embraer EMB 175 (E7W) 2:53 Effective 2026-03-08 through 2026-03-09 Codeshare flight, operated by Delta Air Lines.(DL 4026)
Mon,Sun 13:35 Seattle-Tacoma (SEA) 17:29 Denver (DEN) WestJet WS 6432 Non-stop Embraer EMB 175 (E7W) 2:54 Effective 2026-03-15 through 2026-03-16 Codeshare flight, operated by Delta Air Lines.(DL 4026)
Mon,Fri 13:50 Seattle-Tacoma (SEA) 17:40 Denver (DEN) WestJet WS 6671 Non-stop Embraer EMB 175 (E7W) 2:50 Effective 2026-04-20 through 2026-04-24 Codeshare flight, operated by Delta Air Lines.(DL 4026)
Mon 13:45 Seattle-Tacoma (SEA) 17:34 Denver (DEN) WestJet WS 7013 Non-stop Embraer EMB 175 (E7W) 2:49 Operates only on 2026-01-05 Codeshare flight, operated by Delta Air Lines.(DL 4026)
Fri,Sat 13:35 Seattle-Tacoma (SEA) 17:28 Denver (DEN) WestJet WS 7643 Non-stop Embraer EMB 175 (E7W) 2:53 Effective 2026-03-13 through 2026-03-14 Codeshare flight, operated by Delta Air Lines.(DL 4026)
Sat 13:35 Seattle-Tacoma (SEA) 17:29 Denver (DEN) WestJet WS 7643 Non-stop Embraer EMB 175 (E7W) 2:54 Effective 2026-03-21 through 2026-03-28 Codeshare flight, operated by Delta Air Lines.(DL 4026)
Fri,Sat 13:35 Seattle-Tacoma (SEA) 17:29 Denver (DEN) WestJet WS 7643 Non-stop Embraer EMB 175 (E7W) 2:54 Effective 2026-04-03 through 2026-04-04 Codeshare flight, operated by Delta Air Lines.(DL 4026)
Sat 13:35 Seattle-Tacoma (SEA) 17:29 Denver (DEN) WestJet WS 7643 Non-stop Embraer EMB 175 (E7W) 2:54 Operates only on 2026-04-11 Codeshare flight, operated by Delta Air Lines.(DL 4026)
Mon,Fri-Sun 13:40 Seattle-Tacoma (SEA) 17:27 Denver (DEN) WestJet WS 7643 Non-stop Embraer EMB 175 (E7W) 2:47 Effective 2026-02-13 through 2026-03-07 Codeshare flight, operated by Delta Air Lines.(DL 4026)
Mon,Fri-Sun 13:45 Seattle-Tacoma (SEA) 17:34 Denver (DEN) WestJet WS 7643 Non-stop Embraer EMB 175 (E7W) 2:49 Effective 2026-01-09 through 2026-02-09 Codeshare flight, operated by Delta Air Lines.(DL 4026)
Daily 19:40 Seattle-Tacoma (SEA) 23:30 Denver (DEN) WestJet WS 7830 Non-stop Airbus A220-300 (223) 2:50 Effective 2026-06-28 through 2026-07-09 Codeshare flight, operated by Delta Air Lines.(DL 2851)
Tue,Thu-Sat 19:40 Seattle-Tacoma (SEA) 23:30 Denver (DEN) WestJet WS 7830 Non-stop Airbus A220-300 (223) 2:50 Effective 2026-07-11 through 2026-07-18 Codeshare flight, operated by Delta Air Lines.(DL 2851)
Mon-Thu,Sat,Sun 19:40 Seattle-Tacoma (SEA) 23:30 Denver (DEN) WestJet WS 7830 Non-stop Airbus A220-300 (223) 2:50 Effective 2026-07-19 through 2026-07-28 Codeshare flight, operated by Delta Air Lines.(DL 2851)
Daily 19:40 Seattle-Tacoma (SEA) 23:30 Denver (DEN) WestJet WS 7830 Non-stop Airbus A220-300 (223) 2:50 Effective 2026-07-30 through 2026-08-29 Codeshare flight, operated by Delta Air Lines.(DL 2851)
Mon,Wed,Fri,Sun 19:40 Seattle-Tacoma (SEA) 23:30 Denver (DEN) WestJet WS 7879 Non-stop Airbus A220-300 (223) 2:50 Effective 2026-07-10 through 2026-07-15 Codeshare flight, operated by Delta Air Lines.(DL 2851)
Wed,Fri 19:40 Seattle-Tacoma (SEA) 23:30 Denver (DEN) WestJet WS 8008 Non-stop Airbus A220-300 (223) 2:50 Effective 2026-07-24 through 2026-07-29 Codeshare flight, operated by Delta Air Lines.(DL 2851)
Mon,Fri-Sun 13:35 Seattle-Tacoma (SEA) 17:14 Denver (DEN) WestJet WS 8051 Non-stop Airbus A220-100 (221) 2:39 Valid until 2026-01-04 Codeshare flight, operated by Delta Air Lines.(DL 2759)
Daily 13:50 Seattle-Tacoma (SEA) 17:38 Denver (DEN) WestJet WS 8091 Non-stop Airbus A220-100 (221) 2:48 Effective 2026-05-07 through 2026-10-05 Codeshare flight, operated by Delta Air Lines.(DL 2759)
Daily 13:50 Seattle-Tacoma (SEA) 17:35 Denver (DEN) WestJet WS 8091 Non-stop Airbus A220-100 (221) 2:45 Effective 2026-10-06 through 2026-10-26 Codeshare flight, operated by Delta Air Lines.(DL 2759)
Mon,Fri-Sun 13:50 Seattle-Tacoma (SEA) 17:35 Denver (DEN) WestJet WS 8091 Non-stop Airbus A220-100 (221) 2:45 Effective from 2026-10-30 Codeshare flight, operated by Delta Air Lines.(DL 2759)

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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 2:39 and 2:54.

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WestJet flights from Seattle-Tacoma (SEA) to Denver (DEN).

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FLIGHT SCHEDULE

Direct Codeshare Flights:

WestJet WS6398

13:35

Seattle-Tacoma (SEA)

17:29

Denver (DEN)

Effective 2026-03-27 through 2026-03-30

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 4026)

Duration: 2:54, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

WestJet WS6398

13:35

Seattle-Tacoma (SEA)

17:29

Denver (DEN)

Effective 2026-04-10 through 2026-04-12

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 4026)

Duration: 2:54, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

WestJet WS6398

13:50

Seattle-Tacoma (SEA)

17:40

Denver (DEN)

Effective 2026-04-13 through 2026-04-19

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 4026)

Duration: 2:50, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

WestJet WS6398

13:50

Seattle-Tacoma (SEA)

17:40

Denver (DEN)

Effective 2026-04-25 through 2026-05-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 4026)

Duration: 2:50, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

WestJet WS6401

13:35

Seattle-Tacoma (SEA)

17:29

Denver (DEN)

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

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 4026)

Duration: 2:54, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

WestJet WS6419

19:35

Seattle-Tacoma (SEA)

23:23

Denver (DEN)

Operates only on 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 2851)

Duration: 2:48, non-stop
Airbus A220-100 (221)

Direct Codeshare Flights:

WestJet WS6428

13:35

Seattle-Tacoma (SEA)

17:29

Denver (DEN)

Effective 2026-03-20 through 2026-03-23

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 4026)

Duration: 2:54, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

WestJet WS6430

13:35

Seattle-Tacoma (SEA)

17:28

Denver (DEN)

Effective 2026-03-08 through 2026-03-09

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 4026)

Duration: 2:53, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

WestJet WS6432

13:35

Seattle-Tacoma (SEA)

17:29

Denver (DEN)

Effective 2026-03-15 through 2026-03-16

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 4026)

Duration: 2:54, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

WestJet WS6671

13:50

Seattle-Tacoma (SEA)

17:40

Denver (DEN)

Effective 2026-04-20 through 2026-04-24

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 4026)

Duration: 2:50, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

WestJet WS7013

13:45

Seattle-Tacoma (SEA)

17:34

Denver (DEN)

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 4026)

Duration: 2:49, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

WestJet WS7643

13:35

Seattle-Tacoma (SEA)

17:28

Denver (DEN)

Effective 2026-03-13 through 2026-03-14

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 4026)

Duration: 2:53, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

WestJet WS7643

13:35

Seattle-Tacoma (SEA)

17:29

Denver (DEN)

Effective 2026-03-21 through 2026-03-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 4026)

Duration: 2:54, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

WestJet WS7643

13:35

Seattle-Tacoma (SEA)

17:29

Denver (DEN)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 4026)

Duration: 2:54, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

WestJet WS7643

13:35

Seattle-Tacoma (SEA)

17:29

Denver (DEN)

Operates only on 2026-04-11

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 4026)

Duration: 2:54, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

WestJet WS7643

13:40

Seattle-Tacoma (SEA)

17:27

Denver (DEN)

Effective 2026-02-13 through 2026-03-07

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 4026)

Duration: 2:47, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

WestJet WS7643

13:45

Seattle-Tacoma (SEA)

17:34

Denver (DEN)

Effective 2026-01-09 through 2026-02-09

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 4026)

Duration: 2:49, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

WestJet WS7830

19:40

Seattle-Tacoma (SEA)

23:30

Denver (DEN)

Effective 2026-06-28 through 2026-07-09

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 2851)

Duration: 2:50, non-stop
Airbus A220-300 (223)

Direct Codeshare Flights:

WestJet WS7830

19:40

Seattle-Tacoma (SEA)

23:30

Denver (DEN)

Effective 2026-07-11 through 2026-07-18

Mon
-

Tue

Wed
-

Thu

Fri

Sat

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 2851)

Duration: 2:50, non-stop
Airbus A220-300 (223)

Direct Codeshare Flights:

WestJet WS7830

19:40

Seattle-Tacoma (SEA)

23:30

Denver (DEN)

Effective 2026-07-19 through 2026-07-28

Mon

Tue

Wed

Thu

Fri
-

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 2851)

Duration: 2:50, non-stop
Airbus A220-300 (223)

Direct Codeshare Flights:

WestJet WS7830

19:40

Seattle-Tacoma (SEA)

23:30

Denver (DEN)

Effective 2026-07-30 through 2026-08-29

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 2851)

Duration: 2:50, non-stop
Airbus A220-300 (223)

Direct Codeshare Flights:

WestJet WS7879

19:40

Seattle-Tacoma (SEA)

23:30

Denver (DEN)

Effective 2026-07-10 through 2026-07-15

Mon

Tue
-

Wed

Thu
-

Fri

Sat
-

Sun

Codeshare flight, operated by Delta Air Lines. (DL 2851)

Duration: 2:50, non-stop
Airbus A220-300 (223)

Direct Codeshare Flights:

WestJet WS8008

19:40

Seattle-Tacoma (SEA)

23:30

Denver (DEN)

Effective 2026-07-24 through 2026-07-29

Mon
-

Tue
-

Wed

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by Delta Air Lines. (DL 2851)

Duration: 2:50, non-stop
Airbus A220-300 (223)

Direct Codeshare Flights:

WestJet WS8051

13:35

Seattle-Tacoma (SEA)

17:14

Denver (DEN)

Valid until 2026-01-04

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 2759)

Duration: 2:39, non-stop
Airbus A220-100 (221)

Direct Codeshare Flights:

WestJet WS8091

13:50

Seattle-Tacoma (SEA)

17:38

Denver (DEN)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 2759)

Duration: 2:48, non-stop
Airbus A220-100 (221)

Direct Codeshare Flights:

WestJet WS8091

13:50

Seattle-Tacoma (SEA)

17:35

Denver (DEN)

Effective 2026-10-06 through 2026-10-26

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 2759)

Duration: 2:45, non-stop
Airbus A220-100 (221)

Direct Codeshare Flights:

WestJet WS8091

13:50

Seattle-Tacoma (SEA)

17:35

Denver (DEN)

Effective from 2026-10-30

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun

Codeshare flight, operated by Delta Air Lines. (DL 2759)

Duration: 2:45, non-stop
Airbus A220-100 (221)

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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 2:39 and 2:54.

All SEA-DEN flights

All WestJet flights

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