Qatar Airways flight QR 4278: Seattle-Tacoma - Vancouver via San Jose

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 06:45 San Jose (SJC) B 09:02 Seattle-Tacoma (SEA)
QR 4278 Non-stop Boeing 737 (73J) 2:17 Effective 2026-05-13 through 2026-06-09
Codeshare flight, operated by Alaska Airlines.(AS 591)
Wed 15:37 Seattle-Tacoma (SEA) 16:45 Vancouver (YVR) M
QR 4278 Non-stop Embraer EMB 175 (E75) 1:08 Operates only on 2026-03-18
Codeshare flight, operated by Alaska Airlines.(AS 3319)
Daily 15:37 Seattle-Tacoma (SEA) 16:40 Vancouver (YVR) M
QR 4278 Non-stop Embraer EMB 175 (E75) 1:03 Effective 2026-03-29 through 2026-04-21
Codeshare flight, operated by Alaska Airlines.(AS 3319)
Daily 15:39 Seattle-Tacoma (SEA) 16:45 Vancouver (YVR) M
QR 4278 Non-stop Embraer EMB 175 (E75) 1:06 Effective 2026-01-07 through 2026-02-11
Codeshare flight, operated by Alaska Airlines.(AS 2223)
Daily 15:41 Seattle-Tacoma (SEA) 16:45 Vancouver (YVR) M
QR 4278 Non-stop Embraer EMB 175 (E75) 1:04 Effective 2026-02-12 through 2026-03-17
Codeshare flight, operated by Alaska Airlines.(AS 3319)
Daily 15:42 Seattle-Tacoma (SEA) 16:45 Vancouver (YVR) M
QR 4278 Non-stop Embraer EMB 175 (E75) 1:03 Effective 2026-03-19 through 2026-03-28
Codeshare flight, operated by Alaska Airlines.(AS 3319)
Daily 15:45 Seattle-Tacoma (SEA) 16:45 Vancouver (YVR) M
QR 4278 Non-stop Embraer EMB 175 (E75) 1:00 Valid until 2026-01-06
Codeshare flight, operated by Alaska Airlines.(AS 2223)
Daily 15:53 Seattle-Tacoma (SEA) 16:51 Vancouver (YVR) M
QR 4278 Non-stop Embraer EMB 175 (E75) 0:58 Effective from 2026-06-10
Codeshare flight, operated by Alaska Airlines.(AS 2223)
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Parallax here SEA-YVR
Qatar Airways flight QR 4278:
Seattle-Tacoma - Vancouver via San Jose
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Qatar Airways QR4278
Effective 2026-05-13 through 2026-06-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 591)
Duration: 2:17, non-stop
Boeing 737 (73J)

Direct Codeshare Flights:

Qatar Airways QR4278
Operates only on 2026-03-18
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 3319)
Duration: 1:08, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Qatar Airways QR4278
Effective 2026-03-29 through 2026-04-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 3319)
Duration: 1:03, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Qatar Airways QR4278
Effective 2026-01-07 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 2223)
Duration: 1:06, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Qatar Airways QR4278
Effective 2026-02-12 through 2026-03-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 3319)
Duration: 1:04, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Qatar Airways QR4278
Effective 2026-03-19 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 3319)
Duration: 1:03, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Qatar Airways QR4278
Valid until 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 2223)
Duration: 1:00, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Qatar Airways QR4278
Effective from 2026-06-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 2223)
Duration: 0:58, non-stop
Embraer EMB 175 (E75)
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Parallax here SEA-YVR
  • QR 4278 is an international flight departing from Seattle-Tacoma airport, United States (SEA) and arriving at Vancouver airport, Canada (YVR).
  • The flight runs via San Jose (SJC).
  • The flight distance is 127 miles, or 204 km.
  • The timezone of both the departure and the arrival airports is UTC-8 . Current time at both airports is (loading...).