All airlines flying from Seattle-Tacoma (SEA) to Toronto Pearson (YYZ).

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Wed,Fri-Sun 07:55 Seattle-Tacoma (SEA) 15:35 Toronto Pearson (YYZ) 3
Hawaiian Airlines HA 6921 Non-stop Boeing 737 MAX 9 (7M9) 4:40 Effective 2026-03-06 through 2026-03-14
Codeshare flight, operated by Alaska Airlines.(AS 385)
Tue,Thu-Sun 07:55 Seattle-Tacoma (SEA) 15:35 Toronto Pearson (YYZ) 3
Hawaiian Airlines HA 6921 Non-stop Boeing 737 (737) 4:40 Effective 2026-03-15 through 2026-03-22
Codeshare flight, operated by Alaska Airlines.(AS 385)
Mon 07:55 Seattle-Tacoma (SEA) 15:35 Toronto Pearson (YYZ) 3
Hawaiian Airlines HA 6921 Non-stop Boeing 737 MAX 9 (7M9) 4:40 Operates only on 2026-03-16
Codeshare flight, operated by Alaska Airlines.(AS 385)
Daily 07:55 Seattle-Tacoma (SEA) 15:35 Toronto Pearson (YYZ) 3
Hawaiian Airlines HA 6921 Non-stop Boeing 737 (737) 4:40 Effective 2026-03-23 through 2026-04-21
Codeshare flight, operated by Alaska Airlines.(AS 385)
Mon-Thu,Sat,Sun 08:00 Seattle-Tacoma (SEA) 15:35 Toronto Pearson (YYZ) 3
Hawaiian Airlines HA 6921 Non-stop Boeing 737 (737) 4:35 Valid until 2026-01-04
Codeshare flight, operated by Alaska Airlines.(AS 385)
Mon,Tue,Fri 08:00 Seattle-Tacoma (SEA) 15:35 Toronto Pearson (YYZ) 3
Hawaiian Airlines HA 6921 Non-stop Boeing 737 MAX 9 (7M9) 4:35 Effective 2026-01-02 through 2026-01-06
Codeshare flight, operated by Alaska Airlines.(AS 385)
Wed 08:00 Seattle-Tacoma (SEA) 15:35 Toronto Pearson (YYZ) 3
Hawaiian Airlines HA 6921 Non-stop Boeing 737 (737) 4:35 Operates only on 2026-03-18
Codeshare flight, operated by Alaska Airlines.(AS 385)
Daily 11:15 Seattle-Tacoma (SEA) 19:05 Toronto Pearson (YYZ) 1
United Airlines UA 8031 Non-stop Boeing 737 MAX 8 (7M8) 4:50 Effective 2026-05-01 through 2026-05-31
Codeshare flight, operated by Air Canada.(AC 540)
Daily 11:15 Seattle-Tacoma (SEA) 19:05 Toronto Pearson (YYZ) 1
United Airlines UA 8031 Non-stop Airbus A220-300 (223) 4:50 Effective 2026-06-01 through 2026-06-15
Codeshare flight, operated by Air Canada.(AC 540)
Tue,Wed 11:15 Seattle-Tacoma (SEA) 19:05 Toronto Pearson (YYZ) 1
United Airlines UA 8031 Non-stop Airbus A320 (320) 4:50 Effective 2026-06-16 through 2026-06-17
Codeshare flight, operated by Air Canada.(AC 540)
Daily 11:30 Seattle-Tacoma (SEA) 19:15 Toronto Pearson (YYZ) 1
United Airlines UA 8031 Non-stop Airbus A320 (320) 4:45 Effective 2026-06-18 through 2026-07-31
Codeshare flight, operated by Air Canada.(AC 540)
Daily 11:30 Seattle-Tacoma (SEA) 19:15 Toronto Pearson (YYZ) 1
United Airlines UA 8031 Non-stop Airbus A220-300 (223) 4:45 Effective 2026-08-01 through 2026-09-07
Codeshare flight, operated by Air Canada.(AC 540)
Daily 12:15 Seattle-Tacoma (SEA) 19:57 Toronto Pearson (YYZ) 1
United Airlines UA 8031 Non-stop Boeing 737 MAX 8 (7M8) 4:42 Effective 2026-09-08 through 2026-10-24
Codeshare flight, operated by Air Canada.(AC 540)
Daily 08:00 Seattle-Tacoma (SEA) 15:54 Toronto Pearson (YYZ) 1
United Airlines UA 8244 Non-stop Airbus A220-300 (223) 4:54 Effective 2026-03-29 through 2026-04-30
Codeshare flight, operated by Air Canada.(AC 542)
Daily 08:10 Seattle-Tacoma (SEA) 15:53 Toronto Pearson (YYZ) 1
United Airlines UA 8244 Non-stop Airbus A220-300 (223) 4:43 Valid until 2026-03-28
Codeshare flight, operated by Air Canada.(AC 542)
Daily 08:10 Seattle-Tacoma (SEA) 15:53 Toronto Pearson (YYZ) 1
United Airlines UA 8244 Non-stop Airbus A220-300 (223) 4:43 Effective from 2026-10-25
Codeshare flight, operated by Air Canada.(AC 542)
Mon,Wed,Fri,Sun 08:00 Seattle-Tacoma (SEA) 15:54 Toronto Pearson (YYZ) 1
Brussels Airlines SN 9559 Non-stop Airbus A220-300 (223) 4:54 Effective 2026-03-29 through 2026-04-29
Codeshare flight, operated by Air Canada.(AC 542)
Tue,Thu,Sat,Sun 12:15 Seattle-Tacoma (SEA) 19:57 Toronto Pearson (YYZ) 1
Brussels Airlines SN 9559 Non-stop Boeing 737 MAX 8 (7M8) 4:42 Effective 2026-09-08 through 2026-10-22
Codeshare flight, operated by Air Canada.(AC 540)
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All airlines flying from Seattle-Tacoma (SEA) to Toronto Pearson (YYZ).
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Hawaiian Airlines HA6921
07:55
Seattle-Tacoma (SEA)

15:35
Toronto Pearson (YYZ) 3
Effective 2026-03-06 through 2026-03-14
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 385)
Duration: 4:40, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Hawaiian Airlines HA6921
07:55
Seattle-Tacoma (SEA)

15:35
Toronto Pearson (YYZ) 3
Effective 2026-03-15 through 2026-03-22
Mon
-
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 385)
Duration: 4:40, non-stop
Boeing 737 (737)
Direct Codeshare Flights:
Hawaiian Airlines HA6921
07:55
Seattle-Tacoma (SEA)

15:35
Toronto Pearson (YYZ) 3
Operates only on 2026-03-16
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 385)
Duration: 4:40, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Hawaiian Airlines HA6921
07:55
Seattle-Tacoma (SEA)

15:35
Toronto Pearson (YYZ) 3
Effective 2026-03-23 through 2026-04-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 385)
Duration: 4:40, non-stop
Boeing 737 (737)
Direct Codeshare Flights:
Hawaiian Airlines HA6921
08:00
Seattle-Tacoma (SEA)

15:35
Toronto Pearson (YYZ) 3
Valid until 2026-01-04
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 385)
Duration: 4:35, non-stop
Boeing 737 (737)
Direct Codeshare Flights:
Hawaiian Airlines HA6921
08:00
Seattle-Tacoma (SEA)

15:35
Toronto Pearson (YYZ) 3
Effective 2026-01-02 through 2026-01-06
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 385)
Duration: 4:35, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Hawaiian Airlines HA6921
08:00
Seattle-Tacoma (SEA)

15:35
Toronto Pearson (YYZ) 3
Operates only on 2026-03-18
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 385)
Duration: 4:35, non-stop
Boeing 737 (737)
Direct Codeshare Flights:
United Airlines UA8031
11:15
Seattle-Tacoma (SEA)

19:05
Toronto Pearson (YYZ) 1
Effective 2026-05-01 through 2026-05-31
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Air Canada. (AC 540)
Duration: 4:50, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
United Airlines UA8031
11:15
Seattle-Tacoma (SEA)

19:05
Toronto Pearson (YYZ) 1
Effective 2026-06-01 through 2026-06-15
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Air Canada. (AC 540)
Duration: 4:50, non-stop
Airbus A220-300 (223)
Direct Codeshare Flights:
United Airlines UA8031
11:15
Seattle-Tacoma (SEA)

19:05
Toronto Pearson (YYZ) 1
Effective 2026-06-16 through 2026-06-17
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Air Canada. (AC 540)
Duration: 4:50, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
United Airlines UA8031
11:30
Seattle-Tacoma (SEA)

19:15
Toronto Pearson (YYZ) 1
Effective 2026-06-18 through 2026-07-31
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Air Canada. (AC 540)
Duration: 4:45, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
United Airlines UA8031
11:30
Seattle-Tacoma (SEA)

19:15
Toronto Pearson (YYZ) 1
Effective 2026-08-01 through 2026-09-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Air Canada. (AC 540)
Duration: 4:45, non-stop
Airbus A220-300 (223)
Direct Codeshare Flights:
United Airlines UA8031
12:15
Seattle-Tacoma (SEA)

19:57
Toronto Pearson (YYZ) 1
Effective 2026-09-08 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Air Canada. (AC 540)
Duration: 4:42, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
United Airlines UA8244
08:00
Seattle-Tacoma (SEA)

15:54
Toronto Pearson (YYZ) 1
Effective 2026-03-29 through 2026-04-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Air Canada. (AC 542)
Duration: 4:54, non-stop
Airbus A220-300 (223)
Direct Codeshare Flights:
United Airlines UA8244
08:10
Seattle-Tacoma (SEA)

15:53
Toronto Pearson (YYZ) 1
Valid until 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Air Canada. (AC 542)
Duration: 4:43, non-stop
Airbus A220-300 (223)
Direct Codeshare Flights:
United Airlines UA8244
08:10
Seattle-Tacoma (SEA)

15:53
Toronto Pearson (YYZ) 1
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Air Canada. (AC 542)
Duration: 4:43, non-stop
Airbus A220-300 (223)
Direct Codeshare Flights:
Brussels Airlines SN9559
08:00
Seattle-Tacoma (SEA)

15:54
Toronto Pearson (YYZ) 1
Effective 2026-03-29 through 2026-04-29
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Air Canada. (AC 542)
Duration: 4:54, non-stop
Airbus A220-300 (223)
Direct Codeshare Flights:
Brussels Airlines SN9559
12:15
Seattle-Tacoma (SEA)

19:57
Toronto Pearson (YYZ) 1
Effective 2026-09-08 through 2026-10-22
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by Air Canada. (AC 540)
Duration: 4:42, non-stop
Boeing 737 MAX 8 (7M8)
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  • An international route departing from Seattle-Tacoma airport, United States (SEA) and arriving at Toronto Pearson airport, Canada (YYZ).
  • The flight distance is 2053 miles, or 3304 km.
  • The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-5 . 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 4:35 and 4:54.
Return (YYZ-SEA) flights
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