United Airlines flights from Seattle-Tacoma (SEA) to Toronto Pearson (YYZ).

Select flight date:
FLIGHT SCHEDULE
Non-Direct Flights:
Mon,Thu,Fri 10:56 Seattle-Tacoma (SEA) 20:44 Toronto Pearson (YYZ) 1
United Airlines UA 265 1-stop Boeing 737-900 (739) 6:48 Effective 2025-06-26 through 2025-07-03
Sat,Sun 10:56 Seattle-Tacoma (SEA) 20:44 Toronto Pearson (YYZ) 1
United Airlines UA 265 1-stop Boeing 737-800 (738) 6:48 Effective 2025-06-28 through 2025-07-27
Fri 10:56 Seattle-Tacoma (SEA) 20:44 Toronto Pearson (YYZ) 1
United Airlines UA 265 1-stop Boeing 737-900 (739) 6:48 Operates only on 2025-07-04
Mon,Thu,Fri 10:56 Seattle-Tacoma (SEA) 20:44 Toronto Pearson (YYZ) 1
United Airlines UA 265 1-stop Boeing 737-900 (739) 6:48 Effective 2025-07-07 through 2025-07-31
Tue,Wed 11:02 Seattle-Tacoma (SEA) 20:44 Toronto Pearson (YYZ) 1
United Airlines UA 265 1-stop Airbus A321neo (32Q) 6:42 Effective 2025-07-01 through 2025-07-30
Daily 10:26 Seattle-Tacoma (SEA) 22:36 Toronto Pearson (YYZ) 1
United Airlines UA 313 1-stop Boeing 737 MAX 9 (7M9) 9:10 Effective 2025-09-25 through 2025-10-25
Daily 05:00 Seattle-Tacoma (SEA) 16:55 Toronto Pearson (YYZ) 1
United Airlines UA 608 1-stop Airbus A320 (320) 8:55 Effective 2025-12-18 through 2026-01-05
Daily 05:15 Seattle-Tacoma (SEA) 16:55 Toronto Pearson (YYZ) 1
United Airlines UA 608 1-stop Airbus A320 (320) 8:40 Effective 2025-12-02 through 2025-12-17
Daily 05:36 Seattle-Tacoma (SEA) 16:55 Toronto Pearson (YYZ) 1
United Airlines UA 608 1-stop Airbus A320 (320) 8:19 Effective 2025-10-26 through 2025-12-01
Direct Codeshare Flights:
Daily 11:30 Seattle-Tacoma (SEA) 19:27 Toronto Pearson (YYZ) 1
United Airlines UA 8031 Non-stop Airbus A220-300 (223) 4:57 Effective 2025-05-02 through 2025-05-31
Codeshare flight, operated by Air Canada.(AC 540)
Daily 11:35 Seattle-Tacoma (SEA) 19:15 Toronto Pearson (YYZ) 1
United Airlines UA 8031 Non-stop Airbus A220-300 (223) 4:40 Effective 2025-06-18 through 2025-06-30
Codeshare flight, operated by Air Canada.(AC 540)
Daily 11:35 Seattle-Tacoma (SEA) 19:20 Toronto Pearson (YYZ) 1
United Airlines UA 8031 Non-stop Airbus A220-300 (223) 4:45 Effective from 2025-10-26
Codeshare flight, operated by Air Canada.(AC 540)
Daily 11:40 Seattle-Tacoma (SEA) 19:37 Toronto Pearson (YYZ) 1
United Airlines UA 8031 Non-stop Airbus A220-300 (223) 4:57 Effective 2025-06-01 through 2025-06-17
Codeshare flight, operated by Air Canada.(AC 540)
Thu 11:45 Seattle-Tacoma (SEA) 19:42 Toronto Pearson (YYZ) 1
United Airlines UA 8031 Non-stop Boeing 737 MAX 8 (7M8) 4:57 Operates only on 2025-05-01
Codeshare flight, operated by Air Canada.(AC 540)
Daily 12:10 Seattle-Tacoma (SEA) 19:52 Toronto Pearson (YYZ) 1
United Airlines UA 8031 Non-stop Boeing 737 MAX 8 (7M8) 4:42 Effective 2025-07-01 through 2025-08-31
Codeshare flight, operated by Air Canada.(AC 540)
Mon 12:20 Seattle-Tacoma (SEA) 20:02 Toronto Pearson (YYZ) 1
United Airlines UA 8031 Non-stop Boeing 737 MAX 8 (7M8) 4:42 Operates only on 2025-09-01
Codeshare flight, operated by Air Canada.(AC 540)
Daily 12:20 Seattle-Tacoma (SEA) 20:04 Toronto Pearson (YYZ) 1
United Airlines UA 8031 Non-stop Boeing 737 MAX 8 (7M8) 4:44 Effective 2025-09-02 through 2025-10-25
Codeshare flight, operated by Air Canada.(AC 540)


United Airlines flights from Seattle-Tacoma (SEA) to Toronto Pearson (YYZ).
Select flight date:
FLIGHT SCHEDULE
Non-Direct Flights:

Effective 2025-06-26 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 6:48, 1-stop
Boeing 737-900 (739)

Effective 2025-06-28 through 2025-07-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 6:48, 1-stop
Boeing 737-800 (738)

Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 6:48, 1-stop
Boeing 737-900 (739)

Effective 2025-07-07 through 2025-07-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 6:48, 1-stop
Boeing 737-900 (739)

Effective 2025-07-01 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 6:42, 1-stop
Airbus A321neo (32Q)

Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 9:10, 1-stop
Boeing 737 MAX 9 (7M9)

Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:55, 1-stop
Airbus A320 (320)

Effective 2025-12-02 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:40, 1-stop
Airbus A320 (320)

Effective 2025-10-26 through 2025-12-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:19, 1-stop
Airbus A320 (320)

Direct Codeshare Flights:

Effective 2025-05-02 through 2025-05-31
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Air Canada. (AC 540)
Duration: 4:57, non-stop
Airbus A220-300 (223)

Effective 2025-06-18 through 2025-06-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Air Canada. (AC 540)
Duration: 4:40, non-stop
Airbus A220-300 (223)

Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Air Canada. (AC 540)
Duration: 4:45, non-stop
Airbus A220-300 (223)

Effective 2025-06-01 through 2025-06-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Air Canada. (AC 540)
Duration: 4:57, non-stop
Airbus A220-300 (223)

Operates only on 2025-05-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Air Canada. (AC 540)
Duration: 4:57, non-stop
Boeing 737 MAX 8 (7M8)

Effective 2025-07-01 through 2025-08-31
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)

Operates only on 2025-09-01
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)

Effective 2025-09-02 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Air Canada. (AC 540)
Duration: 4:44, non-stop
Boeing 737 MAX 8 (7M8)
  • 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.