Delta Air Lines flights from Denver (DEN) to Seattle-Tacoma (SEA).

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 18:40 Denver (DEN) 20:46 Seattle-Tacoma (SEA)
Delta Air Lines DL 1350 Non-stop Airbus A220-300 (223) 3:06 Valid until 2025-05-03
Daily 19:40 Denver (DEN) 21:50 Seattle-Tacoma (SEA)
Delta Air Lines DL 1675 Non-stop Airbus A220-100 (221) 3:10 Effective 2025-06-08 through 2025-07-06
Daily 19:50 Denver (DEN) 21:56 Seattle-Tacoma (SEA)
Delta Air Lines DL 1675 Non-stop Airbus A220-300 (223) 3:06 Effective 2025-07-07 through 2025-09-07
Daily 18:29 Denver (DEN) 20:40 Seattle-Tacoma (SEA)
Delta Air Lines DL 1724 Non-stop Airbus A220-100 (221) 3:11 Effective 2025-12-20 through 2026-01-05
Daily 06:00 Denver (DEN) 08:12 Seattle-Tacoma (SEA)
Delta Air Lines DL 1731 Non-stop Airbus A220-100 (221) 3:12 Effective 2025-12-20 through 2026-01-05
Daily 06:15 Denver (DEN) 08:16 Seattle-Tacoma (SEA)
Delta Air Lines DL 1731 Non-stop Boeing 737-800 (738) 3:01 Effective 2025-07-07 through 2025-09-07
Daily 06:15 Denver (DEN) 08:26 Seattle-Tacoma (SEA)
Delta Air Lines DL 1731 Non-stop Boeing 737-800 (738) 3:11 Effective 2025-09-08 through 2025-12-19
Daily 06:15 Denver (DEN) 08:24 Seattle-Tacoma (SEA)
Delta Air Lines DL 1731 Non-stop Airbus A220-300 (223) 3:09 Effective from 2026-01-06
Daily 06:30 Denver (DEN) 08:43 Seattle-Tacoma (SEA)
Delta Air Lines DL 1731 Non-stop Airbus A220-300 (223) 3:13 Valid until 2025-05-06
Daily 06:30 Denver (DEN) 08:29 Seattle-Tacoma (SEA)
Delta Air Lines DL 1731 Non-stop Boeing 737-800 (738) 2:59 Effective 2025-06-08 through 2025-07-06
Daily 07:45 Denver (DEN) 09:49 Seattle-Tacoma (SEA)
Delta Air Lines DL 1731 Non-stop Airbus A220-300 (223) 3:04 Effective 2025-05-07 through 2025-06-07
Tue,Wed 19:50 Denver (DEN) 21:59 Seattle-Tacoma (SEA)
Delta Air Lines DL 2567 Non-stop Airbus A220-100 (221) 3:09 Valid until 2025-05-06
Sat 11:55 Denver (DEN) 13:57 Seattle-Tacoma (SEA)
Delta Air Lines DL 2740 Non-stop Airbus A220-300 (223) 3:02 Effective 2025-05-10 through 2025-05-24
Sat,Sun 11:55 Denver (DEN) 13:57 Seattle-Tacoma (SEA)
Delta Air Lines DL 2740 Non-stop Airbus A220-300 (223) 3:02 Effective 2025-05-25 through 2025-05-31
Sat 11:55 Denver (DEN) 13:57 Seattle-Tacoma (SEA)
Delta Air Lines DL 2740 Non-stop Airbus A220-300 (223) 3:02 Operates only on 2025-06-07
Daily 11:55 Denver (DEN) 14:05 Seattle-Tacoma (SEA)
Delta Air Lines DL 2740 Non-stop Airbus A220-100 (221) 3:10 Effective 2025-06-08 through 2025-07-06
Daily 12:10 Denver (DEN) 14:21 Seattle-Tacoma (SEA)
Delta Air Lines DL 2740 Non-stop Airbus A220-300 (223) 3:11 Effective 2025-12-20 through 2026-01-05
Daily 12:20 Denver (DEN) 14:25 Seattle-Tacoma (SEA)
Delta Air Lines DL 2740 Non-stop Airbus A220-300 (223) 3:05 Effective 2025-07-07 through 2025-09-07
Daily 12:20 Denver (DEN) 14:31 Seattle-Tacoma (SEA)
Delta Air Lines DL 2740 Non-stop Airbus A220-300 (223) 3:11 Effective 2025-09-08 through 2025-11-05
Daily 12:20 Denver (DEN) 14:31 Seattle-Tacoma (SEA)
Delta Air Lines DL 2740 Non-stop Airbus A220-100 (221) 3:11 Effective 2025-11-06 through 2025-12-19
Mon-Fri,Sun 13:45 Denver (DEN) 15:43 Seattle-Tacoma (SEA)
Delta Air Lines DL 2740 Non-stop Airbus A220-300 (223) 2:58 Effective 2025-05-07 through 2025-05-23
Mon-Fri,Sun 13:45 Denver (DEN) 15:43 Seattle-Tacoma (SEA)
Delta Air Lines DL 2740 Non-stop Airbus A220-300 (223) 2:58 Effective 2025-05-26 through 2025-06-06
Mon-Fri,Sun 14:25 Denver (DEN) 16:28 Seattle-Tacoma (SEA)
Delta Air Lines DL 2740 Non-stop Airbus A220-100 (221) 3:03 Valid until 2025-05-06
Sat 14:25 Denver (DEN) 16:28 Seattle-Tacoma (SEA)
Delta Air Lines DL 2740 Non-stop Airbus A220-300 (223) 3:03 Valid until 2025-05-03
Mon-Fri,Sun 18:45 Denver (DEN) 20:43 Seattle-Tacoma (SEA)
Delta Air Lines DL 2759 Non-stop Airbus A220-300 (223) 2:58 Effective 2025-05-07 through 2025-06-06
Sat 18:53 Denver (DEN) 20:50 Seattle-Tacoma (SEA)
Delta Air Lines DL 2759 Non-stop Airbus A220-300 (223) 2:57 Effective 2025-05-10 through 2025-06-07
Daily 19:50 Denver (DEN) 22:04 Seattle-Tacoma (SEA)
Delta Air Lines DL 2759 Non-stop Airbus A220-300 (223) 3:14 Effective 2025-09-08 through 2025-11-05
Mon,Thu,Fri,Sun 19:50 Denver (DEN) 22:05 Seattle-Tacoma (SEA)
Delta Air Lines DL 3681 Non-stop Embraer EMB 175 (E7W) 3:15 Valid until 2025-05-05
Daily 12:20 Denver (DEN) 14:23 Seattle-Tacoma (SEA)
Delta Air Lines DL 3685 Non-stop Embraer EMB 175 (E7W) 3:03 Effective from 2026-01-06
Daily 19:50 Denver (DEN) 22:07 Seattle-Tacoma (SEA)
Delta Air Lines DL 4026 Non-stop Embraer EMB 175 (E7W) 3:17 Effective 2025-11-06 through 2025-12-19
Daily 19:50 Denver (DEN) 22:05 Seattle-Tacoma (SEA)
Delta Air Lines DL 4026 Non-stop Embraer EMB 175 (E7W) 3:15 Effective from 2026-01-06
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Parallax here DEN-SEA


Delta Air Lines flights from Denver (DEN) to Seattle-Tacoma (SEA).
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Valid until 2025-05-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:06, non-stop
Airbus A220-300 (223)

Effective 2025-06-08 through 2025-07-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:10, non-stop
Airbus A220-100 (221)

Effective 2025-07-07 through 2025-09-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:06, non-stop
Airbus A220-300 (223)

Effective 2025-12-20 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:11, non-stop
Airbus A220-100 (221)

Effective 2025-12-20 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:12, non-stop
Airbus A220-100 (221)

Effective 2025-07-07 through 2025-09-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:01, non-stop
Boeing 737-800 (738)

Effective 2025-09-08 through 2025-12-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:11, non-stop
Boeing 737-800 (738)

Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:09, non-stop
Airbus A220-300 (223)

Valid until 2025-05-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:13, non-stop
Airbus A220-300 (223)

Effective 2025-06-08 through 2025-07-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:59, non-stop
Boeing 737-800 (738)

Effective 2025-05-07 through 2025-06-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:04, non-stop
Airbus A220-300 (223)

Valid until 2025-05-06
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:09, non-stop
Airbus A220-100 (221)

Effective 2025-05-10 through 2025-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:02, non-stop
Airbus A220-300 (223)

Effective 2025-05-25 through 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 3:02, non-stop
Airbus A220-300 (223)

Operates only on 2025-06-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:02, non-stop
Airbus A220-300 (223)

Effective 2025-06-08 through 2025-07-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:10, non-stop
Airbus A220-100 (221)

Effective 2025-12-20 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:11, non-stop
Airbus A220-300 (223)

Effective 2025-07-07 through 2025-09-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:05, non-stop
Airbus A220-300 (223)

Effective 2025-09-08 through 2025-11-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:11, non-stop
Airbus A220-300 (223)

Effective 2025-11-06 through 2025-12-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:11, non-stop
Airbus A220-100 (221)

Effective 2025-05-07 through 2025-05-23
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:58, non-stop
Airbus A220-300 (223)

Effective 2025-05-26 through 2025-06-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:58, non-stop
Airbus A220-300 (223)

Valid until 2025-05-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:03, non-stop
Airbus A220-100 (221)

Valid until 2025-05-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:03, non-stop
Airbus A220-300 (223)

Effective 2025-05-07 through 2025-06-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:58, non-stop
Airbus A220-300 (223)

Effective 2025-05-10 through 2025-06-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:57, non-stop
Airbus A220-300 (223)

Effective 2025-09-08 through 2025-11-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:14, non-stop
Airbus A220-300 (223)

Valid until 2025-05-05
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:15, non-stop
Embraer EMB 175 (E7W)

Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:03, non-stop
Embraer EMB 175 (E7W)

Effective 2025-11-06 through 2025-12-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:17, non-stop
Embraer EMB 175 (E7W)

Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:15, non-stop
Embraer EMB 175 (E7W)
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Parallax here DEN-SEA
  • 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 2:57 and 3:17.