Cheap flights from Seattle to Toronto
from 176 US$

From 438 USD — compare hundreds of airlines

We search 100+ flight sitesDirect flights~4h 39mReturn route: Toronto → Seattle

The cheapest month is usually 2026-08 · 176 US$

Live fares from 100+ sites — free, with no hidden fees.

About this route

Compare flights from Seattle to Toronto, 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.

Nonstop time

4h 39m

Distance

3,325 km

Stops

Nonstop

Airlines

The airports on this route

Toronto

Toronto Pearson International AirportYYZ

About 22 km from downtown Toronto

Getting around: UP Express train to Union Station, buses, taxis and apps

The UP Express reaches Union Station in ~25 min — it nearly always beats traffic.

When to buy and when to fly

Prices by date

Fares found by date — cheapest days in green.

See prices for my dates →

391 US$

02/08

301 US$

03/08

301 US$

04/08

301 US$

05/08

301 US$

06/08

301 US$

07/08

301 US$

08/08

210 US$

09/08

224 US$

10/08

200 US$

11/08

200 US$

12/08

200 US$

13/08

How to get the best price

1The sticker price is real — but it moves fastLow fares last hours or days. If the number works, search it today; waiting rarely improves it.

2Buy 4–8 weeks aheadThat window usually holds the best fares; holidays call for even more margin.

3Flexibility = moneyShifting departure 2–3 days can move the fare 100+ US$. Tuesdays and Wednesdays tend to be cheap.

Airlines on this route

Air Canada

FAQ

What's the cheapest month to fly Seattle to Toronto?

It's usually 2026-08, from 176 USD. Use the price calendar to compare other dates.

How long is the flight from Seattle to Toronto?

A nonstop flight takes about 4h 39m and covers around 3,325 km. Connecting itineraries take longer.

Are there direct flights from Seattle to Toronto?

Yes, this route has nonstop flights. Filter by "nonstop" to see them.

Which airlines fly from Seattle to Toronto?

Air Canada operate this route, among others. Compare them all in the results.

When should I book Seattle–Toronto 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.