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Cheap flights from Washington to Toronto from C$ 234

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 23/6. 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.
WestJet Logo
7:35 p.m. - 7:50 p.m.
SEA
-
YKF
21h 15m
1 stop
WestJet Logo
8:40 p.m. - 6:45 p.m.
YKF
-
SEA
25h 05m
1 stop
C$ 526WestJet
Fri, 12 Jun - Sun, 14 Jun
WestJet Logo
7:00 a.m. - 7:50 p.m.
SEA
-
YKF
9h 50m
1 stop
WestJet Logo
8:40 p.m. - 9:00 p.m.
YKF
-
SEA
27h 20m
1 stop
C$ 537WestJet
Thu, 20 Aug - Mon, 24 Aug
WestJet Logo
7:35 p.m. - 7:50 p.m.
SEA
-
YKF
21h 15m
1 stop
WestJet Logo
8:40 p.m. - 9:00 p.m.
YKF
-
SEA
27h 20m
1 stop
C$ 539WestJet
Thu, 20 Aug - Mon, 24 Aug
WestJet Logo
7:00 a.m. - 7:50 p.m.
SEA
-
YKF
9h 50m
1 stop
WestJet Logo
8:40 p.m. - 9:40 a.m.
YKF
-
SEA
16h 00m
1 stop
C$ 540WestJet
Mon, 17 Aug - Mon, 24 Aug
WestJet Logo
7:00 a.m. - 7:50 p.m.
SEA
-
YKF
9h 50m
1 stop
WestJet Logo
8:40 p.m. - 9:40 a.m.
YKF
-
SEA
16h 00m
1 stop
C$ 555WestJet
Fri, 21 Aug - Mon, 24 Aug
WestJet Logo
7:35 p.m. - 7:50 p.m.
SEA
-
YKF
21h 15m
1 stop
WestJet Logo
8:40 p.m. - 9:00 p.m.
YKF
-
SEA
27h 20m
1 stop
C$ 565WestJet
Thu, 20 Aug - Mon, 24 Aug
WestJet Logo
7:00 a.m. - 7:50 p.m.
SEA
-
YKF
9h 50m
1 stop
WestJet Logo
8:40 p.m. - 9:40 a.m.
YKF
-
SEA
16h 00m
1 stop
C$ 567WestJet
Wed, 22 Jul - Fri, 24 Jul
WestJet Logo
7:35 p.m. - 7:50 p.m.
SEA
-
YKF
21h 15m
1 stop
WestJet Logo
8:40 p.m. - 9:40 a.m.
YKF
-
SEA
16h 00m
1 stop
C$ 574WestJet
Wed, 10 Jun - Sun, 14 Jun
WestJet Logo
7:00 a.m. - 7:50 p.m.
SEA
-
YKF
9h 50m
1 stop
WestJet Logo
8:40 p.m. - 6:45 p.m.
YKF
-
SEA
25h 05m
1 stop
C$ 577WestJet
Tue, 21 Jul - Thu, 13 Aug
WestJet Logo
7:35 p.m. - 7:50 p.m.
SEA
-
YKF
21h 15m
1 stop
WestJet Logo
8:40 p.m. - 9:40 a.m.
YKF
-
SEA
16h 00m
1 stop
C$ 580WestJet
Fri, 12 Jun - Fri, 19 Jun

WestJet flights from State of Washington to Toronto Region of Waterloo Intl Airport

Our best WestJet deals on State of Washington to Toronto Region of Waterloo Intl Airport flight tickets
WestJet
12 Jun
SEA7:35 p.m.Seattle/Tacoma Intl
21h 15m
1 stop
YKF7:50 p.m.Toronto Region of Waterloo Intl
14 Jun
YKF8:40 p.m.Toronto Region of Waterloo Intl
25h 05m
1 stop
SEA6:45 p.m.Seattle/Tacoma Intl
C$ 526
WestJet
20 Aug
SEA7:00 a.m.Seattle/Tacoma Intl
9h 50m
1 stop
YKF7:50 p.m.Toronto Region of Waterloo Intl
24 Aug
YKF8:40 p.m.Toronto Region of Waterloo Intl
27h 20m
1 stop
SEA9:00 p.m.Seattle/Tacoma Intl
C$ 537
WestJet
20 Aug
SEA7:35 p.m.Seattle/Tacoma Intl
21h 15m
1 stop
YKF7:50 p.m.Toronto Region of Waterloo Intl
24 Aug
YKF8:40 p.m.Toronto Region of Waterloo Intl
27h 20m
1 stop
SEA9:00 p.m.Seattle/Tacoma Intl
C$ 539

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Toronto Region of Waterloo Intl Airport 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 12 May 2026.
Use the filters below to find and compare flights from Washington to Toronto Region of Waterloo Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Fri 12/6

7:35 p.m.-7:50 p.m.

1 stop21h 15m

Toronto Region of Waterloo Intl

Sun 14/6

8:40 p.m.-6:45 p.m.

1 stop25h 05m

C$ 526

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Thu 20/8

7:00 a.m.-7:50 p.m.

1 stop9h 50m

Toronto Region of Waterloo Intl

Mon 24/8

8:40 p.m.-9:00 p.m.

1 stop27h 20m

C$ 537

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Thu 20/8

7:35 p.m.-7:50 p.m.

1 stop21h 15m

Toronto Region of Waterloo Intl

Mon 24/8

8:40 p.m.-9:00 p.m.

1 stop27h 20m

C$ 539
Quickest round-trip

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Mon 17/8

7:00 a.m.-7:50 p.m.

1 stop9h 50m

Toronto Region of Waterloo Intl

Mon 24/8

8:40 p.m.-9:40 a.m.

1 stop16h 00m

C$ 540

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Fri 21/8

7:00 a.m.-7:50 p.m.

1 stop9h 50m

Toronto Region of Waterloo Intl

Mon 24/8

8:40 p.m.-9:40 a.m.

1 stop16h 00m

C$ 555

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Thu 20/8

7:35 p.m.-7:50 p.m.

1 stop21h 15m

Toronto Region of Waterloo Intl

Mon 24/8

8:40 p.m.-9:00 p.m.

1 stop27h 20m

C$ 565

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Wed 22/7

7:00 a.m.-7:50 p.m.

1 stop9h 50m

Toronto Region of Waterloo Intl

Fri 24/7

8:40 p.m.-9:40 a.m.

1 stop16h 00m

C$ 567

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Wed 10/6

7:35 p.m.-7:50 p.m.

1 stop21h 15m

Toronto Region of Waterloo Intl

Sun 14/6

8:40 p.m.-9:40 a.m.

1 stop16h 00m

C$ 574

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Tue 21/7

7:00 a.m.-7:50 p.m.

1 stop9h 50m

Toronto Region of Waterloo Intl

Thu 13/8

8:40 p.m.-6:45 p.m.

1 stop25h 05m

C$ 577

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Fri 12/6

7:35 p.m.-7:50 p.m.

1 stop21h 15m

Toronto Region of Waterloo Intl

Fri 19/6

8:40 p.m.-9:40 a.m.

1 stop16h 00m

C$ 580

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from State of Washington to Toronto Region of Waterloo Intl Airport

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 airline that flies from Washington to Toronto Region of Waterloo Intl?

WestJet is the most popular carrier operating from Washington to Toronto Region of Waterloo Intl

Cheap State of Washington to Toronto Region of Waterloo Intl Airport flight deals and tips

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

Fastest flight time

9h 50m

Direct flights

None
The fastest flight from State of Washington to Toronto Region of Waterloo Intl Airport takes 9h 50m
There are no direct flights from State of Washington to Toronto Region of Waterloo Intl Airport. There are no popular flight routes from State of Washington to Toronto Region of Waterloo Intl Airport.
Search flight deals

Frequently asked questions about flying from Washington to Toronto Region of Waterloo Intl Airport

  • When did momondo last update prices for flights from Washington to Toronto Region of Waterloo Intl Airport?

    Prices for flights from Washington to Toronto Region of Waterloo Intl Airport are updated daily.

  • How old do you have to be to fly from Washington to Toronto Region of Waterloo Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Toronto Region of Waterloo Intl Airport.

  • What documentation or ID do you need to fly to Toronto Region of Waterloo Intl Airport?

    The travel and health documents you'll need for your trip to Toronto Region of Waterloo Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Toronto Region of Waterloo Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Toronto?

Book flights to Toronto if you plan to visit one of these locations
Sauble Beach
Port Elgin
Southampton
Apsley

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Toronto from Washington.

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?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington to Toronto.

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

If you are not ready to book a flight from Washington to Toronto now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Toronto and let you know when they change.

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