Toronto to Seattle flights

Find your dates. Discover your next journey.

Lowest observed

€179

Average observed

€302

Cheapest month

October 2026

Last checked

8 Sep 2026

Observed fares. Prices may change.

Your next trip, last seen at €179

Lowest observed

26 Oct 2026

One way

Cheapest observed day · Last checked: 8 Sep 2026

Kiwi.com

When to fly

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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.

Prices are for observed departure and return date pairs. No data does not mean no flights.Last checked: 8 Sep 2026

Short answer

We have seen Air Canada fares from Toronto to Seattle, non-stop. The lowest fare our own searches returned is €179, seen on 8 Sep 2026. The average across the fares we caught is €302. October 2026 is the cheapest month in our observations, at €179. These are prices our searches returned on the dates shown, not quotes; run a live search for today's fare.

Short answer

About this route

Explore the fares we observed from Toronto to Seattle. Prices move often, so pick your dates to see the latest options.

TorontoSeattle

Route distance: 3,325 km
Reported fastest flight: 5h 34m
Airlines seen: Air Canada
Alternative airports: YHM, YTZ, BFI

Route-level information; individual journeys vary.
Published schedules report non-stop service with Air Canada. Check current timetables.

A clearer picture of your fare

Observed, not guaranteed

Every price is a fare we actually saw, and it may change at any time.

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We show like-for-like journeys so the comparison is fair.

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The price is final on the provider's site, where your booking is completed.

How our prices work

Frequently asked

How much is a flight from Toronto to Seattle?

The lowest fare we have observed is €179, found on 8 Sep 2026. Prices move, so read it as a floor rather than a quote.

When is the cheapest month to fly from Toronto to Seattle?

In our observations October 2026 is the cheapest month so far, at €179.

Are there direct flights from Toronto to Seattle?

Yes. We have seen non-stop flights on this route, flown by Air Canada.

Which airlines fly from Toronto to Seattle?

These are the carriers we have seen on the route: Air Canada.

Why can the final price change?

The figures here are observed fares. Seat availability, exchange rates, your travel dates, the number of travellers, the cabin and baggage all move the price, sometimes within hours. Payment happens on the provider's site and the price there is the one that counts.

What does "No data" mean?

It means we have no observation for that date yet. It does not mean there is no flight, and it does not mean it is sold out. Pick the day anyway and we will run a live search for it.

Are baggage and refunds included?

An observed fare is for one traveller and normally includes taxes and a cabin bag. Checked baggage, changes and refunds depend on the fare rules, which the provider shows before you pay.