Gotoesy home

Cheap flights from Seattle to Toronto

Fares from $281 in November 2026. Compare every month below, then book with the site you like.

Search Seattle → Toronto flights

Cheapest Seattle to Toronto fares by month

Lowest price per person found in recent searches. Prices change often and are checked when you book.

Seattle to Toronto at a glance

Plan your Toronto trip

Cheap hotels in TorontoCheap car rental in TorontoThings to do in Toronto

Frequently asked questions

How much is a flight from Seattle to Toronto?
The cheapest fare we found recently is $281 per person, departing Nov 7 on Frontier. Prices change daily, so search your dates to see today's fares.
What is the cheapest month to fly from Seattle to Toronto?
November 2026 is currently the cheapest month, from $281.
Are there direct flights from Seattle to Toronto?
The cheapest fares we found recently have at least one stop. Nonstop flights may still exist at a higher price; tick "Direct only" in the search to check.
Which airlines fly from Seattle to Toronto?
The cheapest recent fares on this route were on Frontier.
How long is the flight from Seattle to Toronto?
Seattle and Toronto are about 2,055 miles apart, so a nonstop flight takes roughly 5h. Flights with a stop take longer, depending on the connection.
Do I need a passport to fly from Seattle to Toronto?
Yes. Toronto is in Canada, so you need a valid passport, and some countries also ask for a visa or an online travel authorization. Check the entry rules for your nationality before you book.
How do I find the cheapest flight from Seattle to Toronto?
Search your dates on Gotoesy. We list fares from several booking sites sorted cheapest first, show nearby dates when your day has no saved fare, and send you straight to the seller to book.

More flights from Seattle

More flights to Toronto