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Cheap flights from Washington to Toronto Island Airport from C$ 169

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YTZ
15 Oct — 22 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Washington to Toronto Island

Keep the following information in mind while searching for Washington to Toronto Island flight deals. Data was last updated 15 September 2025.

Round-trip from

C$ 374

One-way from

C$ 169

Popular in

June

Cheapest in

January

Average price

C$ 568
Air Canada
  • Air Canada
  • 12/10-22/10
  • 3 total stops
  • 18h 55m total
  • Washington to Toronto
Search Deals
Air Canada
  • Air Canada
  • 3/11
  • 2 total stops
  • 9h 23m total
  • Washington to Toronto
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 132 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Washington to Toronto Island

Cheapest flights from Washington to Toronto Island
Explore the most affordable flight options available from Washington to Toronto Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.

Sun 12/107:15 a.m.SEA - YTZ
1 stop9h 34mAir Canada
Wed 22/104:10 p.m.YTZ - SEA
2 stops9h 21mAir Canada
Deal found 14/9C$ 374
Sun 12/107:15 a.m.SEA - YTZ
1 stop9h 34mAir Canada
Thu 23/104:10 p.m.YTZ - SEA
2 stops9h 21mAir Canada
Deal found 14/9C$ 390
Mon 13/107:15 a.m.SEA - YTZ
1 stop11h 19mAir Canada
Thu 23/104:10 p.m.YTZ - SEA
2 stops9h 21mAir Canada
Deal found 14/9C$ 435
Tue 14/107:15 p.m.SEA - YTZ
2 stops13h 16mAir Canada
Tue 21/108:25 p.m.YTZ - SEA
2 stops20h 51mAir Canada
Deal found 14/9C$ 439
Thu 30/105:50 a.m.SEA - YTZ
2 stops9h 23mAir Canada
Thu 6/1110:30 a.m.YTZ - SEA
2 stops26h 01mAir Canada
Deal found 15/9C$ 443
Sat 25/1010:00 a.m.SEA - YTZ
2 stops20h 55mAir Canada
Sat 1/116:30 p.m.YTZ - SEA
2 stops24h 01mAir Canada
Deal found 14/9C$ 454
Tue 14/102:05 p.m.SEA - YTZ
3 stops23h 23mMultiple Airlines
Tue 21/103:35 p.m.YTZ - SEA
3 stops24h 24mMultiple Airlines
Deal found 14/9C$ 490
Thu 2/107:40 p.m.PDX - YTZ
2 stops12h 51mAir Canada
Mon 6/104:10 p.m.YTZ - PDX
2 stops9h 51mAir Canada
Deal found 14/9C$ 615
Fri 17/105:55 p.m.PDX - YTZ
2 stops14h 45mMultiple Airlines
Sat 18/103:00 p.m.YTZ - PDX
1 stop8h 50mMultiple Airlines
Deal found 14/9C$ 756
Fri 24/106:00 p.m.PDX - YTZ
2 stops14h 40mMultiple Airlines
Mon 27/1012:30 p.m.YTZ - PDX
1 stop10h 28mMultiple Airlines
Deal found 15/9C$ 758
Thu 30/1010:28 p.m.PDX - YTZ
2 stops19h 47mMultiple Airlines
Thu 6/1112:30 p.m.YTZ - PDX
1 stop10h 28mMultiple Airlines
Deal found 15/9C$ 764
Thu 23/105:55 p.m.PDX - YTZ
2 stops12h 35mMultiple Airlines
Mon 27/101:30 p.m.YTZ - PDX
1 stop9h 28mMultiple Airlines
Deal found 15/9C$ 767

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Toronto Island 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, Cheapflights users made 629,999 searches. Data last updated 15 September 2025.
Use the filters below to find and compare flights from Washington to Toronto Island Airport that are best for you.

Fly from

Washington

Fly to

Toronto Island

Route

Depart

Return

Price

SeattleToronto

SEA - YTZ

SEAYTZ

Seattle/Tacoma Intl

Sun 12/10

5:30 a.m.-6:46 p.m.

2 stops10h 16m

Toronto Island

Wed 22/10

4:10 p.m.-10:31 p.m.

2 stops9h 21m

C$ 381

SeattleToronto

SEA - YTZ

SEAYTZ

Seattle/Tacoma Intl

Tue 28/10

5:50 a.m.-9:35 p.m.

2 stops12h 45m

Toronto Island

Tue 4/11

4:30 p.m.-2:20 p.m.

3 stops24h 50m

C$ 438

SeattleToronto

SEA - YTZ

SEAYTZ

Seattle/Tacoma Intl

Tue 14/10

7:15 p.m.-11:31 a.m.

2 stops13h 16m

Toronto Island

Tue 21/10

8:25 p.m.-2:16 p.m.

2 stops20h 51m

C$ 439

SeattleToronto

SEA - YTZ

SEAYTZ

Seattle/Tacoma Intl

Sun 23/11

5:50 a.m.-6:13 p.m.

2 stops9h 23m

Toronto Island

Sat 29/11

6:30 p.m.-7:16 p.m.

2 stops27h 46m

C$ 453

SeattleToronto

SEA - YTZ

SEAYTZ

Seattle/Tacoma Intl

Sat 22/11

8:00 p.m.-6:13 p.m.

2 stops19h 13m

Toronto Island

Fri 28/11

6:30 p.m.-2:31 p.m.

2 stops23h 01m

C$ 453

SeattleToronto

SEA - YTZ

SEAYTZ

Seattle/Tacoma Intl

Sat 25/10

10:00 a.m.-9:55 a.m.

2 stops20h 55m

Toronto Island

Sat 1/11

6:30 p.m.-3:31 p.m.

2 stops24h 01m

C$ 456

SeattleToronto

SEA - YTZ

SEAYTZ

Seattle/Tacoma Intl

Wed 1/10

7:15 a.m.-9:34 p.m.

1 stop11h 19m

Toronto Island

Wed 8/10

12:25 p.m.-7:31 p.m.

1 stop10h 06m

C$ 461

SeattleToronto

SEA - YTZ

SEAYTZ

Seattle/Tacoma Intl

Mon 24/11

5:50 a.m.-9:35 p.m.

2 stops12h 45m

Toronto Island

Fri 28/11

6:30 p.m.-2:31 p.m.

2 stops23h 01m

C$ 468

SeattleToronto

SEA - YTZ

SEAYTZ

Seattle/Tacoma Intl

Tue 14/10

2:05 p.m.-7:03 p.m.

3 stops25h 58m

Toronto Island

Tue 21/10

9:10 a.m.-7:21 p.m.

2 stops13h 11m

C$ 495

SeattleToronto

SEA - YTZ

SEAYTZ

Seattle/Tacoma Intl

Wed 29/10

5:50 a.m.-6:13 p.m.

2 stops9h 23m

Toronto Island

Wed 5/11

10:30 a.m.-7:16 p.m.

2 stops11h 46m

C$ 506

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/9

Showing 1-10 of 34 results
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Best time to book a flight from Washington to Toronto Island

Have a flexible travel schedule? Discover the best time to fly to Toronto Island from Washington with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington to Toronto Island Airport
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Washington to Toronto Island. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from State of Washington to Toronto Island Airport?

    For as low as C$ 381, Air Canada can have you in Toronto Island Airport from State of Washington in 10h 16m. The distance between State of Washington and Toronto Island Airport is about 3323 km.

  • Can I find deals for flights from Washington to Toronto Island that include hotel bookings?

    Yes. In addition to deals on Washington to Toronto Island flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Toronto Island?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Toronto Island.

  • Can I find deals for business class flights from Washington to Toronto Island?

    Yes. Cheapflights offers flight deals from Washington to Toronto Island by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from State of Washington to Toronto Island Airport?

    Currently, August is the cheapest month in which you can book a flight from State of Washington to Toronto Island Airport (average of C$ 216). Flying from State of Washington to Toronto Island Airport in November is currently the most expensive (average of C$ 297). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Washington to Toronto Island

See prices for flight routes from nearby airports that may be better suited for you.
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Dulles Intl to Toronto Island flights
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Midway to Pearson Intl flights
Nashville to Pearson Intl flights
Santa Ana to Pearson Intl flights
Denver to Pearson Intl flights
Detroit to Pearson Intl flights
Fort Myers to Pearson Intl flights
San Diego to Pearson Intl flights
Los Angeles to Toronto Island flights
Dallas/Fort Worth to Toronto Island flights
Charlotte to Pearson Intl flights
Philadelphia to Toronto Island flights
San Francisco to Toronto Island flights
Austin to Pearson Intl flights
Orlando to Toronto Island flights
St. Louis to Pearson Intl flights
Sacramento to Pearson Intl flights
Fort Lauderdale to Toronto Island flights
Columbus to Pearson Intl flights
LaGuardia to Toronto Island flights
John F Kennedy Intl to Toronto Island flights

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Certainly. Search results for flights to Toronto Island from Washington shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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