✈ YYZ → SEA
TORONTO → SEATTLE IN 4H 41M. PACK SNACKS. PACK PATIENCE.
Flight from Toronto to Seattle
From Pearson (YYZ), Canada North America → Sea-Tac (SEA), USA North America
How long is the flight from Toronto to Seattle?
A nonstop flight from Toronto (YYZ) to Seattle (SEA) 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
Toronto timezone
UTC-4
America/Toronto
Seattle timezone
UTC-7
America/Los_Angeles
Time difference
-3h
3 hours behind
Jet lag (rough)
~2.1d
Westward — easier
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.