Alaska
Oneworld
Did you mean flights from Toronto to Seattle / Tacoma?
United States
Seattle–Tacoma International Airport
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Canada
Toronto Pearson International Airport
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Scan through all non-stop flights from Seattle / Tacoma to Toronto. The full flight schedule below gives an overview of all non-stop flights from SEA to YYZ, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
Warm Continental destinations such as Toronto enjoy summer temperatures that fluctuate between 20°C and 28°C (68°F to 82°F), with some heatwaves leading to even hotter days. Winters are mostly cold and snowy, with average temperatures ranging from -5°C to 0°C (23°F to 32°F). Travelers can enjoy the vibrant autumn scenery, ski during the winter season, or enjoy the comfortable to warm summer months.
If you're planning a trip to Toronto, the best time to visit is from late spring through the end of summer, when the weather is pleasantly warm from May to August. Winters can be quite cold, with frost occurring almost every month from November to March and regular snowfall. This makes the mountainous regions perfect for winter sports, offering great opportunities for a winter getaway as well!

In total there are 2 airlines operating nonstop flights from Seattle / Tacoma SEA to Toronto YYZ. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.
Click an airline below to view their SEA YYZ flight schedule.
Flights from SEA to YYZ are operated 11 times a week, with an average of 2 flights per day. Departure times vary between 07:49 - 11:00. The earliest flight departs at 07:49, the last flight departs at 11:00. However, this depends on the date you are flying so please check with the full flight schedule above to see which departure times are available on your preferred date(s) of travel.
You can fly in Economy and Business Class. Premium Economy and First Class are not available on this route (at least not as a non-stop flight).
The fastest direct flight from Seattle / Tacoma to Toronto takes 4 hours and 50 minutes. The flight distance between Seattle / Tacoma and Toronto is 2,053 miles (or 3,304 km).
There are 2 airports in Toronto: Toronto Pearson International Airport (YYZ) and Billy Bishop Toronto City Airport (YTZ).
There are 11 flights per week flying from Seattle / Tacoma to Toronto (as of April 2026).
4 hours and 50 minutes is the average flight time from Seattle / Tacoma to Toronto.
The distance from Seattle / Tacoma to Toronto is 2,053 miles (3,304 kilometers).
Air Canada and Alaska are flying nonstop from Seattle / Tacoma to Toronto.
Oneworld and Star Alliance are flying nonstop from Seattle / Tacoma to Toronto.
You can fly non-stop in Economy and Business Class.
Aircraft types that fly from Seattle / Tacoma to Toronto:
The earliest flight departs at 07:49 from Seattle / Tacoma and arrives at 15:45 at Toronto.
The latest flight departs at 11:00 from Seattle / Tacoma and arrives at 18:45 at Toronto.
2,053 miles (3,304 km) · 4h 50m
07:55
15:45
Alaska
Oneworld
AS 385
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
07:55
15:45
Alaska
Oneworld
AS 385
Alaska
Boeing 737 MAX 9
Y
W
J
F
07:55
15:45
Alaska
Oneworld
AS 385
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
08:00
15:54
Air Canada
Star Alliance
AC 542
Air Canada
Airbus A220-300
Y
W
J
F
08:00
15:54
Air Canada
Star Alliance
AC 542
Air Canada
Airbus A220-300
Y
W
J
F
08:00
15:54
Air Canada
Star Alliance
AC 542
Air Canada
Airbus A220-300
Y
W
J
F
08:05
15:45
Alaska
Oneworld
AS 385
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
08:05
15:45
Alaska
Oneworld
AS 385
Alaska
Boeing 737 MAX 9
Y
W
J
F
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