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Seattle-Tacoma International Airport to Region of Waterloo International Airport flight

Search for flights from Seattle to Toronto and check out affordable one-way and round-trip options.

      • SEA 19:35
        21h 15m
        1 stop
        YKF 19:50
        Seattle - Toronto | Tue, Oct 20 | WestJet
        YYZ 13:30
        8h 15m
        1 stop
        SEA 18:45
        Toronto - Seattle | Sat, Oct 24 | WestJet
        CAD 564 CAD 773
        27% off
        27% off
        CAD 773 CAD 564
      • SEA 13:00
        17h 25m
        1 stop
        YTO 14:00
        Seattle - Toronto | Thu, Oct 8 | Normal Airline
        YTO 15:00
        6h
        Direct
        SEA 16:00
        Toronto - Seattle | Sat, Oct 10 | Normal Airline
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        Find more flights
      • SEA 13:00
        17h 25m
        1 stop
        YTO 14:00
        Seattle - Toronto | Thu, Oct 8 | Normal Airline
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      • SEA 13:00
        17h 25m
        1 stop
        YTO 14:00
        Seattle - Toronto | Thu, Oct 8 | Normal Airline
        Search
        Search
      • SEA 13:00
        17h 25m
        1 stop
        YTO 14:00
        Seattle - Toronto | Thu, Oct 8 | Normal Airline
        Search
        Search
      • SEA 13:00
        17h 25m
        1 stop
        YTO 14:00
        Seattle - Toronto | Thu, Oct 8 | Normal Airline
        Search
        Search
      • SEA 13:00
        17h 25m
        1 stop
        YTO 14:00
        Seattle - Toronto | Thu, Oct 8 | Normal Airline
        Search
        Search
      • SEA 13:00
        17h 25m
        1 stop
        YTO 14:00
        Seattle - Toronto | Thu, Oct 8 | Normal Airline
        Search
        Search
      • SEA 13:00
        17h 25m
        1 stop
        YTO 14:00
        Seattle - Toronto | Thu, Oct 8 | Normal Airline
        Search
        Search
      • SEA 13:00
        17h 25m
        1 stop
        YTO 14:00
        Seattle - Toronto | Thu, Oct 8 | Normal Airline
        Search
        Search
      • SEA 13:00
        17h 25m
        1 stop
        YTO 14:00
        Seattle - Toronto | Thu, Oct 8 | Normal Airline
        Search
        Search
      • SEA 13:00
        17h 25m
        1 stop
        YTO 14:00
        Seattle - Toronto | Thu, Oct 8 | Normal Airline
        Search
        Search

Flight fares from Seattle-Tacoma International Airport to Region of Waterloo International Airport are based on average airline prices for the next 3 months, according to Trip.com’s latest data.

About Seattle-Tacoma International Airport and Region of Waterloo International Airport

Learn about Seattle-Tacoma International Airport (SEA) and Region of Waterloo International Airport (YKF) — including location, terminals, transportation, and travel tips.

Flight distance 3,263.01km
Cheapest return ticket price CAD 564

FAQs for Seattle-Tacoma International Airport to Region of Waterloo International Airport Flights

  • What is the transportation method from the main airport to downtown in Toronto?

    • The distance from Toronto Pearson International Airport to downtown is about 20km, by taxi about 40 minutes.
    • The distance from Billy Bishop Toronto City Airport to downtown is about 2km, by taxi about 20 minutes.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Seattle-Tacoma International Airport to Region of Waterloo International Airport is CAD 511. Prices may vary depending on the departure date, airline, and availability.
  • Enter Seattle-Tacoma International Airport and Region of Waterloo International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

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Prices, availability, and travel information on this page were updated within the last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

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If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.