Direct (nonstop) flights from Toronto to Seattle
2 airlines fly nonstop from Pearson International (YYZ) to Seattle Tacoma International (SEA). It's 2,060 miles (3,316 km), about 5h 28m in the air. Operated by Air Canada, Alaska Airlines.
Air Canada
Alaska Airlines
Route data last updated: May 28, 2026
Airlines with non-stop flights
AS
Alaska Airlines
Alternative Routes
Other ways to fly from Toronto to Seattle with one stop · direct emits 348 kg CO₂ per passenger
Looking for the return flight?
SEA → YYZ: Flights from Seattle to TorontoOther direct flights from Toronto
Direct flights from Seattle (SEA)
Frequently Asked Questions
How long is the direct flight from Toronto to Seattle?
A nonstop flight from Toronto (YYZ) to Seattle (SEA) takes approximately 5 hours and 28 minutes. The distance is 2,060 miles (3,316 km).
Which airlines fly nonstop from Toronto to Seattle?
2 airlines: Air Canada, Alaska Airlines.
Is there a nonstop flight from Toronto to Seattle?
Yes. 2 airlines: Air Canada, Alaska Airlines.
How far is Toronto from Seattle?
The flight distance from Toronto to Seattle is 2,060 miles (3,316 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Los Angeles.
What is the time difference between Toronto and Seattle?
Seattle is 3 hours behind Toronto. (America/Toronto vs America/Los_Angeles.)
What type of aircraft flies from Toronto to Seattle?
At 5h 28m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
Do I need a visa to travel from Canada to USA?
Depends on your passport. Check with the USA embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Toronto to Seattle?
Roughly 348 kg CO2 per passenger one-way. That's about the same as driving 1,740 km.
Is the return flight from Seattle to Toronto also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Toronto to Seattle?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Pearson International for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.