Cheap flights from Toronto to Seattle
From 357 USD — compare hundreds of airlines
About this route
Compare flights from Toronto to Seattle, a about 3,325 km route (around 4h 39m nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as Air Canada operate this route.
Prices by date
Airlines on this route
FAQ
What's the cheapest month to fly Toronto to Seattle?
It's usually 2026-08, from 251 USD. Use the price calendar to compare other dates.
How long is the flight from Toronto to Seattle?
A nonstop flight takes about 4h 39m and covers around 3,325 km. Connecting itineraries take longer.
Are there direct flights from Toronto to Seattle?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Toronto to Seattle?
Air Canada operate this route, among others. Compare them all in the results.
When should I book Toronto–Seattle flights?
As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.