Flight prices from Seattle to Toronto

There’s no fixed price — fares between Seattle and Toronto can vary a lot by day or time.

Choose a date to explore the best fares now.

The lowest fares are often found with some flexibility in travel dates. If your plans are flexible, you’ll have a better chance of finding cheap flights.

Flying from or to Seattle and Toronto? Here are your airport options

Knowing your full list of nearby airports can make flight planning easier, especially when routes vary.

• Airports in Seattle: You have 2 departure options - Boeing Field, Lake Union.
• Airports in Toronto: Arrivals into Toronto are possible from 4 airports - John C. Munro, Kitchener Lake, Lester B. Pearson, Toronto Island Airport.

For families or those traveling with assistance, smaller airports can be easier to navigate. Cities served by multiple airports often allow for more flexible travel planning.

Find flights from Seattle to Toronto that suit your schedule

Use Jetcost to sort and filter results based on your preferred flight time, number of stops, price range, or airline. View deals from the best airlines and travel agencies.

Other popular destinations

Interested in Canada? These cities are also in demand: Calgary, Montreal, Quebec, Toronto, Vancouver.

Connecting flights can be cheaper but often mean longer layovers. You can easily select either direct or connecting flights with a single click using the filters.