Cheap flights from Toronto to Seattle

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The best prices from Toronto to Seattle are usually found in February or January, booked 44 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

How to find the cheapest flight from
Toronto (YTO) to Seattle (SEA)

YTO - SEA
Price
C$ 563 - C$ 717
SEA
Temperature
8 - 25 °C
SEA
Rainfall
18 - 166 mm

Popular in

June

High demand for flights, 10% potential price rise

Cheapest in

February

Best time to find cheap flights, 12% potential price drop

Round-trip from

C$ 563

From Toronto to Seattle

One-way from

C$ 272

One-way flight from Toronto to Seattle

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Toronto to Seattle?

Saturday flights are generally found to be more expensive for flights from Toronto to Seattle. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Seattle.

How far in advance should I book a flight from Toronto to Seattle?

Find a great deal and save up to 41% by booking at least 43 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Toronto to Seattle within the next two weeks, with the cheapest ticket starting at C$ 795.

What is the cheapest month to fly from Toronto to Seattle?

Flights from Toronto to Seattle lean towards being more expensive in June. Prices are generally better when you fly from Toronto to Seattle in February, with the cheapest ticket starting at C$ 472.

When is the cheapest time to fly from Toronto to Seattle (YTO - SEA)?

When flying from Toronto to Seattle, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 18% versus a flight in the evening.

Cheap flights from Toronto to Seattle in October, November 2020

The best prices found for YTO to SEA flights for October, November
26 Nov - 31 Dec
C$ 304pp
YYZ
Toronto Pearson Intl
Air Canada
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Air Canada
Direct
YYZ
Toronto Pearson Intl
21 Nov - 26 Jan
C$ 306pp
YYZ
Toronto Pearson Intl
Air Canada
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Air Canada
Direct
YYZ
Toronto Pearson Intl
19 Nov - 22 Nov
C$ 312pp
YYZ
Toronto Pearson Intl
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Air Canada
   
2 STOPS
YYZ
Toronto Pearson Intl

Toronto to Seattle 2020 flight deals

Cheap flights to Seattle from Toronto found for this year
14 Dec - 31 Dec
C$ 304pp
YYZ
Toronto Pearson Intl
United Airlines
Direct
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
United Airlines
 
1 STOP
YYZ
Toronto Pearson Intl
21 Nov - 26 Jan
C$ 306pp
YYZ
Toronto Pearson Intl
Air Canada
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Air Canada
Direct
YYZ
Toronto Pearson Intl
6 Dec - 12 Dec
C$ 310pp
YYZ
Toronto Pearson Intl
American Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
American Airlines
 
1 STOP
YYZ
Toronto Pearson Intl

Direct flights to Seattle from Toronto

Save time with Toronto to Seattle direct flight deals
6 Dec - 6 Feb
C$ 304pp
YYZ
Toronto Pearson Intl
United Airlines
Direct
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
United Airlines
Direct
YYZ
Toronto Pearson Intl
13 Dec - 1 Jan
C$ 306pp
YYZ
Toronto Pearson Intl
United Airlines
Direct
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
United Airlines
Direct
YYZ
Toronto Pearson Intl
14 Dec - 1 Jan
C$ 334pp
YYZ
Toronto Pearson Intl
Multiple Airlines
Direct
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
United Airlines
Direct
YYZ
Toronto Pearson Intl

Last minute flights from Toronto to Seattle

Late deals on round-trip flights to Seattle from Toronto, departing today and this week
1 Nov - 2 Dec
C$ 390pp
YYZ
Toronto Pearson Intl
Air Canada
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Air Canada
Direct
YYZ
Toronto Pearson Intl
29 Oct - 12 Nov
C$ 395pp
YYZ
Toronto Pearson Intl
American Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
American Airlines
 
1 STOP
YYZ
Toronto Pearson Intl
29 Oct - 30 Nov
C$ 397pp
YYZ
Toronto Pearson Intl
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Air Canada
   
2 STOPS
YYZ
Toronto Pearson Intl

One-way flights to Seattle from Toronto

The cheapest one-way flights from Toronto to Seattle
10:14 a.m. - 2:50 p.m.
Alaska Airlines
1 stop
7h 36m
YYZ - SEA
Alaska Airlines
C$ 272
KAYAK
2:21 a.m. - 6:04 p.m.
American Airlines
2 stops
18h 43m
YYZ - SEA
American Airlines
C$ 302
7:30 p.m. - 1:28 p.m.
Air Canada
2 stops
20h 58m
YYZ - SEA
Air Canada
C$ 328
KAYAK

Related info for your journey

Useful info, stats and facts about Toronto to Seattle flights.

Flight FAQs

From Toronto to Seattle

Can I find flights from Toronto to Seattle for under C$ 393 on Cheapflights?

Yes, there are multiple flights from Toronto to Seattle for under C$ 393. The cheapest flight booked recently is on United Airlines for just C$ 304, but on average you can expect to pay C$ 331.

What safety measures are being taken by airlines flying from Toronto to Seattle/Tacoma Intl to control the spread of COVID-19?

Delta is one of the many airlines that have implemented additional safety measures to control the spread of COVID-19. Airline carriers are regularly disinfecting and sanitizing their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially-distanced seating (for a limited time) will work towards keeping travellers safer while flying from Toronto to Seattle/Tacoma Intl. Policies will vary by airline.

Which airlines flying from Toronto to Seattle/Tacoma Intl have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Air Canada, United Airlines, and American Airlines flying from Toronto to Seattle/Tacoma Intl have implemented new flexible cancellation policies.

Are there direct flights from Toronto to Seattle for under C$ 393 on Cheapflights?

Cheapflights has 4 direct flights from Toronto to Seattle under C$ 393. A good price for a direct flight from Toronto to Seattle is less than C$ 716.

Are there last-minute flights available from Toronto to Seattle for under C$ 393?

There are currently 20+ open flights from Toronto to Seattle within the next 7 days for less than C$ 393.

Is Toronto weather warmer or cooler than Seattle?

With an average temperature of 25 °C, peak weather can be found in July. As a traveller, expect to see changes in flight prices during that period. The temperatures in Seattle are the same as in Toronto.

How long is the flight from Toronto to Seattle?

There are many flights that can get you from Toronto to Seattle in 5h 33m. Fly via United Airlines, American Airlines, or Air Canada to get the fastest option. This flight may include one or multiple stops.

What are the cheapest airlines to flying from Toronto to Seattle round-trip?

Our cheapest airline available from Toronto to Seattle is United Airlines. Our recent data shows that you can find tickets from as low as C$ 305 on this airline. Additional options worth looking into are Air Canada and American Airlines, starting at C$ 306 and C$ 310 round-trip. You may be able to fly from Toronto to Seattle for 52% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from Toronto to Seattle one-way?

For one-way options, check prices for Air Canada. According to our data, you can fly for as low as C$ 179. Users have also found prices from C$ 196 and C$ 197 on Air Canada and American Airlines, respectively.

Destination information for Seattle

Things to know before you go. Useful info for your trip from Toronto to Seattle
Today's exchange rate
C$ 1 = $0.77
Flight duration
5h 07m
Average temperature for October in Seattle
16.0 °C
Avg rainfall for October in Seattle
88.0 mm

Airports servicing Toronto

Billy Bishop Toronto City Airport (YTZ)
Kitchener (YKF)
Hamilton (YHM)

Airports servicing Seattle

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