Cheap flights from Toronto to Seattle

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1 adult
Economy
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Tue 1/2
Tue 8/2

The best prices from Toronto to Seattle/Tacoma Intl are usually found in January or February, booked 49 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

How to find the cheapest flight from Toronto to Seattle

All the information you need to plan the best YTO to SEA flight in 2022: compare Toronto to Seattle flight prices with the expected peak season, weather and rainfall in Seattle.

YTO - SEA

Price

C$ 382 - C$ 510

SEA

Temperature

5 - 19 °C

SEA

Precipitation

18 - 168 mm

Popular in

December

High demand for flights, 14% potential price rise

Cheapest in

January

Best time to find cheap flights, 13% potential price drop

Round-trip from

C$ 482

From Toronto (YTO) to Seattle/Tacoma Intl

One-way from

C$ 265

One-way flight from Toronto (YTO) to Seattle/Tacoma Intl

What is the cheapest day to fly round-trip from Toronto to Seattle?

It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

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

To save up to 14% on this flight, we recommend booking at least 46 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Toronto to Seattle from C$ 649 1-2 weeks out and tickets from C$ 668 for flights departing within the next 72 hours.

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

A simple way to save on the total cost of your ticket is to fly from Toronto to Seattle at noon. If you’re flexible enough to do this you can expect to save up to 5% on your trip compared to booking a flight in the morning.

Cheap flights from Toronto to Seattle in January, February 2022

The best prices found for YTO to SEA flights for January, February
7 Feb. - 12 Feb.
YYZ

Toronto Pearson Intl

SEA

Seattle/Tacoma Intl

1 stop

32h 44m
SEA

Seattle/Tacoma Intl

YYZ

Toronto Pearson Intl

1 stop

20h 54m
C$ 359

American Airlines

View Deal

Deal found 25/1/22

7 Feb. - 10 Feb.
YHM

Toronto Hamilton

SEA

Seattle/Tacoma Intl

1 stop

24h 41m
SEA

Seattle/Tacoma Intl

YHM

Toronto Hamilton

1 stop

22h 51m
C$ 372

Multiple Airlines

View Deal

Deal found 24/1/22

7 Feb. - 10 Feb.
YYZ

Toronto Pearson Intl

SEA

Seattle/Tacoma Intl

1 stop

16h 03m
SEA

Seattle/Tacoma Intl

YYZ

Toronto Pearson Intl

1 stop

22h 31m
C$ 373

Multiple Airlines

View Deal

Deal found 24/1/22

Toronto to Seattle 2022 flight deals

Cheap flights to Seattle from Toronto found for this year
7 May - 14 May
YYZ

Toronto Pearson Intl

SEA

Seattle/Tacoma Intl

2 stops

10h 05m
SEA

Seattle/Tacoma Intl

YYZ

Toronto Pearson Intl

2 stops

10h 22m
C$ 329

Air Canada

View Deal

Deal found 26/1/22

29 Apr. - 4 May
YYZ

Toronto Pearson Intl

SEA

Seattle/Tacoma Intl

1 stop

7h 48m
SEA

Seattle/Tacoma Intl

YYZ

Toronto Pearson Intl

2 stops

11h 47m
C$ 344

Multiple Airlines

View Deal

Deal found 26/1/22

29 Apr. - 4 May
YYZ

Toronto Pearson Intl

SEA

Seattle/Tacoma Intl

2 stops

15h 12m
SEA

Seattle/Tacoma Intl

YYZ

Toronto Pearson Intl

2 stops

11h 57m
C$ 349

Air Canada

View Deal

Deal found 26/1/22

Direct flights to Seattle from Toronto

Save time with Toronto to Seattle direct flight deals
1 Apr. - 4 Apr.
YYZ

Toronto Pearson Intl

SEA

Seattle/Tacoma Intl

Nonstop

5h 15m
SEA

Seattle/Tacoma Intl

YYZ

Toronto Pearson Intl

Nonstop

4h 32m
C$ 416

Air Canada

View Deal

Deal found 26/1/22

7 May - 14 May
YYZ

Toronto Pearson Intl

SEA

Seattle/Tacoma Intl

Nonstop

5h 21m
SEA

Seattle/Tacoma Intl

YYZ

Toronto Pearson Intl

Nonstop

4h 37m
C$ 431

Air Canada

View Deal

Deal found 26/1/22

29 Apr. - 4 May
YYZ

Toronto Pearson Intl

SEA

Seattle/Tacoma Intl

Nonstop

5h 15m
SEA

Seattle/Tacoma Intl

YYZ

Toronto Pearson Intl

Nonstop

4h 37m
C$ 437

Air Canada

View Deal

Deal found 26/1/22

Last minute flights from Toronto to Seattle

Late deals on round-trip flights to Seattle from Toronto, departing today and this week
4 Feb. - 7 Feb.
YYZ

Toronto Pearson Intl

SEA

Seattle/Tacoma Intl

1 stop

32h 44m
SEA

Seattle/Tacoma Intl

YYZ

Toronto Pearson Intl

1 stop

13h 16m
C$ 414

American Airlines

View Deal

Deal found 26/1/22

3 Feb. - 5 Feb.
YYZ

Toronto Pearson Intl

SEA

Seattle/Tacoma Intl

1 stop

19h 30m
SEA

Seattle/Tacoma Intl

YYZ

Toronto Pearson Intl

1 stop

20h 54m
C$ 439

American Airlines

View Deal

Deal found 26/1/22

6 Feb. - 4 Mar.
YYZ

Toronto Pearson Intl

SEA

Seattle/Tacoma Intl

1 stop

32h 44m
SEA

Seattle/Tacoma Intl

YYZ

Toronto Pearson Intl

1 stop

19h 22m
C$ 472

American Airlines

View Deal

Deal found 26/1/22

One-way flights to Seattle/Tacoma Intl from Toronto

The cheapest one-way flights from Toronto to Seattle
28 Feb.
YYZ

Toronto Pearson Intl

SEA

Seattle/Tacoma Intl

1 stop

26h 59m
C$ 165

Multiple Airlines

View Deal

Deal found 26/1/22

20 Jun.
YYZ

Toronto Pearson Intl

SEA

Seattle/Tacoma Intl

2 stops

11h 55m
C$ 194

Air Canada

View Deal

Deal found 26/1/22

13 Feb.
YYZ

Toronto Pearson Intl

SEA

Seattle/Tacoma Intl

1 stop

15h 58m
C$ 206

Multiple Airlines

View Deal

Deal found 24/1/22

Related info for your journey

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

What airport do you fly into for flights to Seattle from Toronto?

For a flight from Toronto to Seattle, you will be flying into Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 18.4 km from the centre of the city. Seattle/Tacoma Intl is the only Seattle airport and it handles 0 inbound flights from Toronto per day. 6 airlines have flights to Seattle/Tacoma Intl from Toronto on a regular basis.

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.

Can I find flights from Toronto to Seattle for under C$ 400 on Cheapflights?

Yes, there are multiple flights from Toronto to Seattle for under C$ 400. The cheapest flight booked recently is on Air Canada for just C$ 329, but on average you can expect to pay C$ 374.

Are there direct flights from Toronto to Seattle for under C$ 500 on Cheapflights?

Cheapflights has 20 direct flights from Toronto to Seattle under C$ 500. A good price for a direct flight from Toronto to Seattle is less than C$ 516.

Are there last-minute flights available from Toronto to Seattle for under C$ 500?

There are currently 20+ open flights from Toronto to Seattle within the next 7 days for less than C$ 500.

What days are direct flights available from Toronto to Seattle?

You can find direct flights on the following days: Friday.

How many flights depart from Toronto to Seattle on average per day?

Per day, 2 flights depart from Toronto to Seattle on average.
Afternoon (Noon - 6pm) - 100% of flight departures

How long is the flight from Toronto to Seattle?

Air Canada and American Airlines can get you from Toronto to Seattle in just under 10h 05m. Your travel time can differ by up to 10h 19m. Airlines will cover a distance of 3325 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

According to our current data, Air Canada (C$ 329), and American Airlines (C$ 358) offers the cheapest pricing from Toronto to Seattle. These flights start at 40% lower than the current average price 3 months from now.

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$ 194. Users have also found prices from C$ 211 and C$ 265 on American Airlines and Delta, respectively.

What are the most popular routes from Toronto to Seattle?

While some choose either Toronto Island - Seattle/Tacoma Intl or Toronto Kitchener-Waterloo - Seattle/Tacoma Intl, Toronto Pearson Intl - Seattle/Tacoma Intl is the most popular route from Toronto to Seattle.

What are the most popular airlines that fly from Toronto to Seattle?

The most popular airlines flying from Toronto to Seattle are Major Airline, American Airlines and Air Canada. Something to consider prior to booking your flight.

What are the cheapest flights from Toronto to Seattle?

Looking at all options, your cheapest flight can be booked for C$ 223. While the most popular route (Toronto Pearson Intl - Seattle/Tacoma Intl) can be booked for C$ 344 on average our data indicates C$ 443 when flying from Toronto to Seattle.

Can I fly to Seattle/Tacoma Intl from Toronto right now?

Information is based on travel restrictions from Toronto to Seattle/Tacoma Intl

Most visitors from Toronto need to provide a negative COVID-19 test result and/or quarantine to enter Seattle/Tacoma Intl.

COVID-19 testing requirements
Visitors from Toronto must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Seattle/Tacoma Intl.

Quarantine requirements
Visitors from Toronto are not required to quarantine after entering Seattle/Tacoma Intl.

Can I fly back to Toronto from Seattle/Tacoma Intl?

Returning to Toronto from Seattle/Tacoma Intl

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) test taken 72 hours before departing to Toronto.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Toronto.

Alternative routes for Toronto to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Ottawa to Seattlefrom C$ 292 pp
London to Seattlefrom C$ 298 pp

Top 5 airlines flying from Toronto to Seattle

The chart below displays the airlines Cheapflights users travelling from Toronto to Seattle choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
WestJet
CheapestC$ 322
AverageC$ 662
FlexibilityNo cancel fee
On-time60%
COVID-19 safety
American Airlines
CheapestC$ 329
AverageC$ 635
FlexibilityNo cancel fee
On-time71%
COVID-19 safety
Delta
CheapestC$ 344
AverageC$ 591
FlexibilityNo cancel fee
On-timeN/A
COVID-19 safety
Air Canada
CheapestC$ 402
AverageC$ 803
FlexibilityNo cancel fee
On-time67%
COVID-19 safety
United Airlines
CheapestC$ 509
AverageC$ 715
FlexibilityNo cancel fee
On-time69%
COVID-19 safety

Hourly flight availability from Toronto to Seattle

See what time of day planes typically take off from Toronto to Seattle
0%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
100%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM