Flight Routes from Seattle Tacoma to Toronto

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Our cheapest offers for flights from Seattle Tacoma to Toronto

Here you can compare cheap flights from Seattle Tacoma (SEA) to Toronto (YTO) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Toronto. Prices and availability may change at any time.

Flight schedule from Seattle-Tacoma (SEA) to Toronto (YTO)

Select a travel date in the flight schedule for the route from Seattle-Tacoma (SEA) to Toronto (YTO) and compare affordable flight deals.

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Matching outbound flights5 of 5
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dep.arr.
durationstopovers
  1. August 2 – 8, 2026
  2. August 9 – 15, 2026
  3. August 16 – 22, 2026
    1. SEAYYZ
      nonstop
      1. United Airlines
    2. SEAYYZ
      nonstop
      1. Alaska Airlines
    3. SEAYYZ
      nonstop
      1. Air Canada
    4. SEAYYZ
      nonstop
      1. Alaska Airlines
    5. SEAYYZ
      nonstop
      1. Air Canada

      Important flight information

      Flight information: Seattle-Tacoma - Toronto

      Flight duration min. 04:36
      Return flight duration min. 05:33
      Distance 3330 km
      Flights per week 8
      Departure airport Airport Seattle-Tacoma International Airport, WA (SEA)
      Arrival airport Airport Toronto (YTO)
      Destination country Flights to Canada
      Departure airport - Destination country Seattle-Tacoma International Airport, WA - Canada
      Alternative routes to Canada
      Alternative flights to Toronto
      Flight destinations with a similar price