✈ SEA → YYZ
4H 41M FLIGHT. 2,055 MILES. YOUR PHONE WILL DIE.
Flight from Seattle to Toronto
From Sea-Tac (SEA), USA North America → Pearson (YYZ), Canada North America
How long is the flight from Seattle to Toronto?
A nonstop flight from Seattle (SEA) to Toronto (YYZ) takes about 4 hours 41 minutes, covering a great-circle distance of 2,055 miles (3,307 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
4h 41m
Nonstop, scheduled
Distance
2,055 mi
3,307 km · great-circle
Avg speed
706 km/h
Door-to-door including taxi
Time zones & jet lag
Seattle timezone
UTC-7
America/Los_Angeles
Toronto timezone
UTC-4
America/Toronto
Time difference
+3h
3 hours ahead
Jet lag (rough)
~3d
Eastward — worse
CO₂ footprint per passenger
Economy class, single passenger. Source: DEFRA 2024 averages.
This flight emits roughly 3× the CO₂ of an equivalent train trip and 0.7× a car driven alone over the same distance.