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Cheap flights from Washington to Toronto from C$ 137

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Toronto departing on 3/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
8:10 a.m. - 3:53 p.m.
SEA
-
YYZ
4h 43mdirect
Air Canada Logo
7:50 p.m. - 10:16 p.m.
YYZ
-
SEA
5h 26mdirect
C$ 339Air Canada
Mon, 12 Jan - Sun, 18 Jan
Air Canada Logo
9:55 a.m. - 10:41 p.m.
SEA
-
YYZ
9h 46m2 stops
Air Canada Logo
10:35 p.m. - 9:15 a.m.
YYZ
-
SEA
13h 40m1 stop
C$ 340Air Canada
Mon, 19 Jan - Thu, 22 Jan
United Airlines Logo
5:00 a.m. - 6:34 p.m.
SEA
-
YYZ
10h 34m2 stops
United Airlines Logo
2:57 p.m. - 11:15 p.m.
YYZ
-
SEA
11h 18m1 stop
C$ 343United Airlines
Sat, 17 Jan - Tue, 20 Jan
WestJet Logo
7:05 a.m. - 12:45 a.m.
SEA
-
YKF
14h 40m1 stop
WestJet Logo
6:00 a.m. - 1:08 p.m.
YKF
-
SEA
10h 08m1 stop
C$ 343WestJet
Wed, 13 May - Tue, 19 May
Alaska Airlines Logo
7:55 a.m. - 3:35 p.m.
SEA
-
YYZ
4h 40mdirect
Alaska Airlines Logo
4:45 p.m. - 7:17 p.m.
YYZ
-
SEA
5h 32mdirect
C$ 348Alaska Airlines
Mon, 19 Jan - Fri, 23 Jan
United Airlines Logo
7:30 p.m. - 9:58 a.m.
SEA
-
YYZ
11h 28m2 stops
United Airlines Logo
10:51 a.m. - 9:12 p.m.
YYZ
-
SEA
13h 21m2 stops
C$ 350United Airlines
Mon, 9 Feb - Sun, 15 Feb
WestJet Logo
3:10 p.m. - 5:29 a.m.
SEA
-
YKF
11h 19m1 stop
WestJet Logo
6:00 a.m. - 1:08 p.m.
YKF
-
SEA
10h 08m1 stop
C$ 350WestJet
Wed, 22 Apr - Thu, 30 Apr
Multiple Airlines Logo
7:55 a.m. - 3:35 p.m.
SEA
-
YYZ
4h 40mdirect
Multiple Airlines Logo
8:00 p.m. - 11:39 a.m.
YYZ
-
SEA
18h 39m1 stop
C$ 351Multiple Airlines
Wed, 14 Jan - Fri, 23 Jan
Multiple Airlines Logo
8:40 p.m. - 7:36 p.m.
SEA
-
YYZ
19h 56m2 stops
Multiple Airlines Logo
4:45 p.m. - 7:18 p.m.
YYZ
-
SEA
5h 33mdirect
C$ 352Multiple Airlines
Mon, 9 Feb - Fri, 13 Feb
Alaska Airlines Logo
5:45 a.m. - 3:35 p.m.
GEG
-
YYZ
6h 50m1 stop
Alaska Airlines Logo
4:45 p.m. - 9:25 p.m.
YYZ
-
GEG
7h 40m1 stop
C$ 468Alaska Airlines
Sun, 18 Jan - Thu, 22 Jan

Air Canada flights from State of Washington to Toronto

Our best Air Canada deals on State of Washington to Toronto flight tickets
Air Canada
12 Jan
SEA8:10 a.m.Seattle/Tacoma Intl
4h 43m
YYZ3:53 p.m.Toronto Pearson Intl
18 Jan
YYZ7:50 p.m.Toronto Pearson Intl
5h 26m
SEA10:16 p.m.Seattle/Tacoma Intl
C$ 339
Find similar
Air Canada
19 Jan
SEA9:55 a.m.Seattle/Tacoma Intl
9h 46m
2 stops
YYZ10:41 p.m.Toronto Pearson Intl
22 Jan
YYZ10:35 p.m.Toronto Pearson Intl
13h 40m
1 stop
SEA9:15 a.m.Seattle/Tacoma Intl
C$ 340
Find similar
Air Canada
5 Feb
SEA3:40 p.m.Seattle/Tacoma Intl
12h 08m
2 stops
YYZ6:48 a.m.Toronto Pearson Intl
12 Feb
YYZ7:50 p.m.Toronto Pearson Intl
5h 26m
SEA10:16 p.m.Seattle/Tacoma Intl
C$ 346
Find similar

WestJet flights from State of Washington to Toronto

Our best WestJet deals on State of Washington to Toronto flight tickets
WestJet
13 May
SEA7:05 a.m.Seattle/Tacoma Intl
14h 40m
1 stop
YKF12:45 a.m.Toronto Region of Waterloo Intl
19 May
YKF6:00 a.m.Toronto Region of Waterloo Intl
10h 08m
1 stop
SEA1:08 p.m.Seattle/Tacoma Intl
C$ 343
Find similar
WestJet
22 Apr
SEA3:10 p.m.Seattle/Tacoma Intl
11h 19m
1 stop
YKF5:29 a.m.Toronto Region of Waterloo Intl
30 Apr
YKF6:00 a.m.Toronto Region of Waterloo Intl
10h 08m
1 stop
SEA1:08 p.m.Seattle/Tacoma Intl
C$ 350
Find similar
WestJet
5 Mar
SEA3:10 p.m.Seattle/Tacoma Intl
11h 48m
2 stops
YYZ5:58 a.m.Toronto Pearson Intl
9 Mar
YYZ10:15 p.m.Toronto Pearson Intl
19h 04m
2 stops
SEA2:19 p.m.Seattle/Tacoma Intl
C$ 358
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Toronto that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 24 December 2025.
Use the filters below to find and compare flights from Washington to Toronto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Mon 12/1

8:10 a.m.-3:53 p.m.

Nonstop4h 43m

Toronto Pearson Intl

Sun 18/1

7:50 p.m.-10:16 p.m.

Nonstop5h 26m

C$ 339

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Mon 19/1

9:55 a.m.-10:41 p.m.

2 stops9h 46m

Toronto Pearson Intl

Thu 22/1

10:35 p.m.-9:15 a.m.

1 stop13h 40m

C$ 340

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Sat 17/1

5:00 a.m.-6:34 p.m.

2 stops10h 34m

Toronto Pearson Intl

Tue 20/1

2:57 p.m.-11:15 p.m.

1 stop11h 18m

C$ 343

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Wed 13/5

7:05 a.m.-12:45 a.m.

1 stop14h 40m

Toronto Region of Waterloo Intl

Tue 19/5

6:00 a.m.-1:08 p.m.

1 stop10h 08m

C$ 343

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Mon 19/1

7:55 a.m.-3:35 p.m.

Nonstop4h 40m

Toronto Pearson Intl

Fri 23/1

4:45 p.m.-7:17 p.m.

Nonstop5h 32m

C$ 348

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Mon 9/2

7:30 p.m.-9:58 a.m.

2 stops11h 28m

Toronto Pearson Intl

Sun 15/2

10:51 a.m.-9:12 p.m.

2 stops13h 21m

C$ 350

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Wed 22/4

3:10 p.m.-5:29 a.m.

1 stop11h 19m

Toronto Region of Waterloo Intl

Thu 30/4

6:00 a.m.-1:08 p.m.

1 stop10h 08m

C$ 350

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Wed 14/1

7:55 a.m.-3:35 p.m.

Nonstop4h 40m

Toronto Pearson Intl

Fri 23/1

8:00 p.m.-11:39 a.m.

1 stop18h 39m

C$ 351

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Mon 9/2

8:40 p.m.-7:36 p.m.

2 stops19h 56m

Toronto Pearson Intl

Fri 13/2

4:45 p.m.-7:18 p.m.

Nonstop5h 33m

C$ 352

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Sun 18/1

5:45 a.m.-3:35 p.m.

1 stop6h 50m

Toronto Pearson Intl

Thu 22/1

4:45 p.m.-9:25 p.m.

1 stop7h 40m

C$ 468

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Toronto from

How to get the cheapest flight ticket from State of Washington to Toronto

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Toronto?

The month of November is, on average, the cheapest month to fly to Toronto from State of Washington, with most prices found around C$ 376. The month of January is another great option to travel to Toronto, with average flight prices from State of Washington averaging around C$ 387.

What is the cheapest day to depart on your flight to Toronto?

According to our data, Wednesday is the cheapest day to fly to Toronto from State of Washington. The lowest ticket price found for a Wednesday departure recently was C$ 532. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from State of Washington to Toronto on a Saturday will generally be more expensive and average around C$ 1,015. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Toronto?

Flying to Toronto from State of Washington in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as C$ 489 when looking at flights departing in the afternoon. Try not to purchase tickets in the morning because they tend to be around C$ 798. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Washington to Toronto flight route?

Fly from Seattle/Tacoma Intl to Toronto Pearson Intl for the best Washington - Toronto flight prices

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

You are more likely to see cheaper flights to Toronto from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Toronto for around C$ 559 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Toronto from State of Washington for as low as C$ 400 on momondo.

What cabin class options are available on Washington to Toronto flights?

There are 3 cabin classes available to choose from on Washington to Toronto flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on State of Washington to Toronto flights?

You could potentially save up to 7% on your flight if you consider stops on a State of Washington to Toronto flight.

Cheap State of Washington to Toronto flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Toronto

Best price found

C$ 240

Fastest flight time

4h 35m

Direct flights

Every day

Airports in Toronto

3 airports
The best one-way flight to Toronto from State of Washington in the past 72 hours is C$ 240. The best round-trip flight deal from State of Washington to Toronto found on momondo in the last 72 hours is C$ 362.
The fastest flight from State of Washington to Toronto takes 4h 35m
Direct flights go from State of Washington to Toronto every day.
There are 3 airports in Toronto. From State of Washington there are direct flights to Toronto Pearson Intl (YYZ).
Search flight deals

  • When did momondo last update prices for flights from Washington to Toronto?

    Prices for flights from Washington to Toronto refresh daily.

  • How many operators does momondo search for flights from Washington to Toronto?

  • How old do you have to be to fly from Washington to Toronto?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Toronto.

  • What documentation or ID do you need to fly to Toronto?

    The necessary travel and health documents for your Toronto trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from State of Washington to Toronto?

Best airlines flying from State of Washington to Toronto

Compare and see reviews for airlines that fly from State of Washington to Toronto with momondo
Airline
Rating
Free Cancellation
Price
WestJetPriceFrom C$ 283Free CancellationRating
7.2
3,216 reviews
Search WestJet flights
Air CanadaPriceFrom C$ 362Free CancellationRating
7.1
10,553 reviews
Search Air Canada flights
Alaska AirlinesPriceFrom C$ 373Free CancellationRating
8.0
11,520 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom C$ 484Free CancellationRating
7.4
9,111 reviews
Search United Airlines flights

Travelling to a place near Toronto?

Book flights to Toronto if you plan to visit one of these locations
Apsley

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Toronto?

It is quick and easy to find Washington to Toronto flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Toronto that suits you.

Can I find flights from Washington to Toronto with flexible booking policies on momondo?

momondo does allow users to show only those flights to Toronto from Washington which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Washington to Toronto?

Once all potential Washington to Toronto flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington to Toronto right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington to Toronto flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to Canada

Fly into one of these airports located in Toronto

Airports listed have a maximum distance of 83.6 km from Toronto
Toronto Region of Waterloo Intl Airport
Toronto Island Airport
Toronto Pearson Intl Airport