Cheap Flights from Seattle, WA to Toronto, ON from $130
On Cheapflightsplus.com you will find 3 direct and 997 connecting flights from Seattle to Toronto. You can compare airfare deals from 8 airlines and multiple travel sites from $130, book and save on cheap plane tickets and last minute offers. Also check out SEA-YTO flight schedule to find best flight time, convenient departure and arrival airports.
Flight Information
Below we will explain in detail what the flights cost on the destination from Seattle to Toronto depends on and how to choose the most interesting flight option for you.
Distance between Seattle and Toronto is 3326 miles. Time difference between the cities is 3h. Airplanes depart 00:17 to 23:59 from 3 Seattle airports and arrive 00:17 to 23:59 to 3 Toronto airports. Average flight time is 4h 40m.
- The fastest flight 4h 37m
- Average flight time 4h 40m
- The earliest flight 00:17
- The latest flight 23:59
- Distance 2067 ml
Best Flights from Seattle to Toronto Today
| Price | Departure | Arrival | Flight Duration | Airline | Flight |
|---|---|---|---|---|---|
| from $152 | 07:23 Seattle Seattle-Tacoma Intl | 15:00 Toronto Pearson International | 4h 37m | Alaska Airlines | AS972 |
| from $361 | 11:35 Seattle Seattle-Tacoma Intl | 19:15 Toronto Pearson International | 4h 40m | Air Canada | AC540 |
| from $363 | 11:35 Seattle Seattle-Tacoma Intl | 19:15 Toronto Pearson International | 4h 40m | United Airlines | UA8031 |
| from $130 | 17:50 Seattle Seattle-Tacoma Intl | 11:57+1 день Toronto Toronto Island | 15h 7m layover 9h 16m - Chicago | Hawaiian Airlines | HA6819 PD2388 |
| from $136 | 17:55 Seattle Seattle-Tacoma Intl | 11:57+1 день Toronto Toronto Island | 15h 2m layover 9h 16m - Chicago | Alaska Airlines | AS538 PD2388 |
| from $147 | 14:55 Seattle Seattle-Tacoma Intl | 05:50+1 день Toronto Pearson International | 11h 55m layover 2h 0m - Vancouver 3h 27m - Calgary | Air Canada | AC8807 AC224 AC154 |
| from $154 | 23:20 Seattle Seattle-Tacoma Intl | 13:04+1 день Toronto Pearson International | 10h 44m layover 1h 1m - Washington D.C. 1h 57m - Ottawa | United Airlines | UA2019 UA4562 UA8459 |
The cheapest months to travel to Toronto are october (from 130 $), september (from 136 $), june (from 143 $).
The most expensive months are november (from 520 $), december (from 210 $), february (from 186 $).
What is the lowest airfare Seattle to Toronto?
The cheapest plane ticket found by our users is $130. This airfare is for economy class on one-way HA6819 flight by Hawaiian Airlines for October 7, 2025 which leaves Seattle-Tacoma Intl in Seattle at 17:50 am and arrives at Toronto Toronto Island at 11:57.
Flight Schedule Seattle (Washington) to Toronto (Ontario)
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Popular Airlines on the Route
The flight Seattle — Toronto is served by 8 regular airlines and 4 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 185 departures per week at the price of from $ 136 . And the most expensive tickets are offered by Hawaiian Airlines airline - from $ 478.
Direct flights
There are 3 nonstop flights on the route. The fastest direct flight is AS972 by Alaska Airlines takes 4h 37m and the cheapest is HA6819 by Hawaiian Airlines for $152.
- AS - Alaska Airlinesfrom $152Find
- AC - Air Canadafrom $361Find
- UA - United Airlinesfrom $363Find
Connecting Flights
There are 997 flights with layovers on the route. The fastest connecting flight is SY284 by Sun Country Airlines takes 6h 11m and the cheapest is HA6819 by Hawaiian Airlines for $130.
- AS - Alaska Airlinesfrom $136Find
- AC - Air Canadafrom $147Find
- F9 - Frontier Airlinesfrom $156Find
- SY - Sun Country Airlinesfrom $170Find
- HA - Hawaiian Airlinesfrom $130Find
- UA - United Airlinesfrom $143Find
- WS - WestJetfrom $190Find
- NK - Spirit Airlinesfrom $165Find
Airports
You can fly from Seattle to Toronto from 3 airports (Boeing Field International Airport, Seattle-Tacoma Intl, Kenmore Air Harbor SPB).
Seattle airports
- Boeing Field International Airport-BFIFind
- Seattle-Tacoma Intl-SEAfrom $130Find
- Kenmore Air Harbor SPB-LKEFind
Toronto airports
- Buttonville Municipal-YKZFind
- Toronto Island-YTZFind
- Pearson International-YYZFind
Airplanes
There are flights to Toronto from Seattle by 8 airlines that use 1 aircraft brands. They range from huge modern airplanes to small-sized.
- Canadair Regional Jet 900from $150Find
Top Domestic Destinations from Seattle
You may also consider searching for discounted plane tickets to some other popular places from Seattle within United States.
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Top International Destinations from Seattle
Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.
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How to book a plane ticket yourself?
- Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
- Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
- Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
- Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
- That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
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