Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Washington to Toronto from $171

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 6/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Washington to Toronto

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
7:00 am - 7:50 pm
SEA
-
YKF
9h 50m
1 stop
WestJet Logo
8:40 pm - 9:00 pm
YKF
-
SEA
27h 20m
1 stop
$393WestJet
Thu, Aug 20 - Mon, Aug 24
WestJet Logo
7:35 pm - 7:50 pm
SEA
-
YKF
21h 15m
1 stop
WestJet Logo
8:40 pm - 9:00 pm
YKF
-
SEA
27h 20m
1 stop
$394WestJet
Thu, Aug 20 - Mon, Aug 24
WestJet Logo
7:00 am - 7:50 pm
SEA
-
YKF
9h 50m
1 stop
WestJet Logo
8:40 pm - 9:40 am
YKF
-
SEA
16h 00m
1 stop
$406WestJet
Fri, Aug 21 - Mon, Aug 24
WestJet Logo
7:35 pm - 7:50 pm
SEA
-
YKF
21h 15m
1 stop
WestJet Logo
8:40 pm - 9:00 pm
YKF
-
SEA
27h 20m
1 stop
$413WestJet
Thu, Aug 20 - Mon, Aug 24
WestJet Logo
7:00 am - 7:50 pm
SEA
-
YKF
9h 50m
1 stop
WestJet Logo
8:40 pm - 9:40 am
YKF
-
SEA
16h 00m
1 stop
$414WestJet
Sat, Jul 25 - Mon, Aug 3
WestJet Logo
7:00 am - 7:50 pm
SEA
-
YKF
9h 50m
1 stop
WestJet Logo
8:40 pm - 9:40 am
YKF
-
SEA
16h 00m
1 stop
$415WestJet
Wed, Jul 22 - Fri, Jul 24
WestJet Logo
7:00 am - 7:50 pm
SEA
-
YKF
9h 50m
1 stop
WestJet Logo
8:40 pm - 6:45 pm
YKF
-
SEA
25h 05m
1 stop
$422WestJet
Tue, Jul 21 - Thu, Aug 13
WestJet Logo
7:35 pm - 7:50 pm
SEA
-
YKF
21h 15m
1 stop
WestJet Logo
8:40 pm - 9:40 am
YKF
-
SEA
16h 00m
1 stop
$424WestJet
Fri, Jun 12 - Fri, Jun 19
WestJet Logo
7:35 pm - 7:50 pm
SEA
-
YKF
21h 15m
1 stop
WestJet Logo
8:40 pm - 9:40 am
YKF
-
SEA
16h 00m
1 stop
$425WestJet
Fri, Jun 12 - Fri, Jun 19
WestJet Logo
7:00 am - 7:50 pm
SEA
-
YKF
9h 50m
1 stop
WestJet Logo
8:40 pm - 9:00 pm
YKF
-
SEA
27h 20m
1 stop
$426WestJet
Sun, Aug 2 - Mon, Aug 10

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
Jun 12
SEA7:35 pmSeattle/Tacoma Intl
21h 15m
1 stop
YKF7:50 pmToronto Region of Waterloo Intl
Jun 14
YKF8:40 pmToronto Region of Waterloo Intl
25h 05m
1 stop
SEA6:45 pmSeattle/Tacoma Intl
$385
WestJet
Aug 20
SEA7:00 amSeattle/Tacoma Intl
9h 50m
1 stop
YKF7:50 pmToronto Region of Waterloo Intl
Aug 24
YKF8:40 pmToronto Region of Waterloo Intl
27h 20m
1 stop
SEA9:00 pmSeattle/Tacoma Intl
$393
WestJet
Aug 20
SEA7:35 pmSeattle/Tacoma Intl
21h 15m
1 stop
YKF7:50 pmToronto Region of Waterloo Intl
Aug 24
YKF8:40 pmToronto Region of Waterloo Intl
27h 20m
1 stop
SEA9:00 pmSeattle/Tacoma Intl
$394

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 832,500 searches. Data last updated May 12, 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

Thu 8/20

7:00 am-7:50 pm

1 stop9h 50m

Toronto Region of Waterloo Intl

Mon 8/24

8:40 pm-9:00 pm

1 stop27h 20m

$393

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Thu 8/20

7:35 pm-7:50 pm

1 stop21h 15m

Toronto Region of Waterloo Intl

Mon 8/24

8:40 pm-9:00 pm

1 stop27h 20m

$394
Quickest round-trip

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Fri 8/21

7:00 am-7:50 pm

1 stop9h 50m

Toronto Region of Waterloo Intl

Mon 8/24

8:40 pm-9:40 am

1 stop16h 00m

$406

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Thu 8/20

7:35 pm-7:50 pm

1 stop21h 15m

Toronto Region of Waterloo Intl

Mon 8/24

8:40 pm-9:00 pm

1 stop27h 20m

$413

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Sat 7/25

7:00 am-7:50 pm

1 stop9h 50m

Toronto Region of Waterloo Intl

Mon 8/3

8:40 pm-9:40 am

1 stop16h 00m

$414

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Wed 7/22

7:00 am-7:50 pm

1 stop9h 50m

Toronto Region of Waterloo Intl

Fri 7/24

8:40 pm-9:40 am

1 stop16h 00m

$415

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Tue 7/21

7:00 am-7:50 pm

1 stop9h 50m

Toronto Region of Waterloo Intl

Thu 8/13

8:40 pm-6:45 pm

1 stop25h 05m

$422

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Fri 6/12

7:35 pm-7:50 pm

1 stop21h 15m

Toronto Region of Waterloo Intl

Fri 6/19

8:40 pm-9:40 am

1 stop16h 00m

$424

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Fri 6/12

7:35 pm-7:50 pm

1 stop21h 15m

Toronto Region of Waterloo Intl

Fri 6/19

8:40 pm-9:40 am

1 stop16h 00m

$425

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Sun 8/2

7:00 am-7:50 pm

1 stop9h 50m

Toronto Region of Waterloo Intl

Mon 8/10

8:40 pm-9:00 pm

1 stop27h 20m

$426

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Toronto from

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 refresh 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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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.

Traveling to a place near Toronto?

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

Why use momondo?

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

Finding the right flight to Toronto from Washington is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Toronto quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Washington to Toronto flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Washington and Toronto by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Toronto from Washington are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Toronto Region of Waterloo Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 6/11
Thu 6/18
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Toronto

Popular cities in Canada

Popular flights according to clicks in the last 7 days on momondo
Flights to Toronto Pearson Intl Airportfrom $187
Flights to Vancouver Intl Airport
Flights to Toronto Island Airportfrom $111
Flights to Montreal Pierre Elliott Trudeau Intl Airportfrom $138