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Cheap flights from Washington to Toronto from C$ 123

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YTO
25 Aug — 1 Sep1
1 adult

Cheap flight deals from Washington to Toronto

Keep the following information in mind while searching for Washington to Toronto flight deals. Data was last updated 20 August 2025.

Round-trip from

C$ 282

One-way from

C$ 123

Popular in

June

Cheapest in

January

Average price

C$ 653

Good round-trip deal

C$ 724 or less

Good one-way deal

C$ 358 or less
WestJet
  • WestJet
  • 2/10-7/10
  • 2 total stops
  • 17h 49m total
  • Washington to Toronto
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WestJet
  • WestJet
  • 15/10
  • 1 total stop
  • 7h 50m total
  • Washington to Toronto
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 124 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 17 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Washington to Toronto (YTO).
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Price to beat on a one-way flight from Washington to Toronto (YTO).
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Find flight deals from Washington to Toronto

Cheapest flights from Washington to Toronto
Explore the most affordable flight options available from Washington to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 August 2025.

Thu 2/101:50 p.m.SEA - YHM
1 stop7h 50mWestJet
Tue 7/106:00 a.m.YHM - SEA
1 stop9h 59mWestJet
Deal found 18/8C$ 282
Wed 15/101:50 p.m.SEA - YHM
1 stop7h 50mWestJet
Mon 20/106:00 a.m.YHM - SEA
1 stop9h 59mWestJet
Deal found 17/8C$ 315
Thu 2/101:50 p.m.SEA - YHM
1 stop7h 50mWestJet
Mon 6/106:00 a.m.YHM - SEA
1 stop17h 29mWestJet
Deal found 17/8C$ 319
Sun 19/102:05 p.m.SEA - YHM
1 stop7h 35mWestJet
Sat 25/106:00 a.m.YHM - SEA
1 stop9h 59mWestJet
Deal found 17/8C$ 338
Tue 16/97:05 a.m.SEA - YYZ
1 stop7h 17mWestJet
Tue 23/98:00 a.m.YYZ - SEA
1 stop7h 59mWestJet
Deal found 20/8C$ 348
Thu 18/97:05 a.m.SEA - YYZ
2 stops10h 56mWestJet
Sun 21/96:45 a.m.YYZ - SEA
1 stop8h 50mWestJet
Deal found 20/8C$ 351
Fri 24/101:50 p.m.SEA - YHM
1 stop7h 50mWestJet
Sun 26/106:10 p.m.YHM - SEA
1 stop23h 10mWestJet
Deal found 17/8C$ 351
Fri 24/101:50 p.m.SEA - YHM
1 stop7h 50mWestJet
Mon 27/106:10 p.m.YHM - SEA
1 stop23h 10mWestJet
Deal found 18/8C$ 352
Wed 22/108:40 a.m.SEA - YYZ
1 stop7h 12mWestJet
Tue 4/117:45 a.m.YYZ - SEA
1 stop9h 35mWestJet
Deal found 20/8C$ 354
Sun 21/91:15 p.m.SEA - YYZ
1 stop8h 16mWestJet
Sun 5/106:45 a.m.YYZ - SEA
1 stop8h 48mWestJet
Deal found 19/8C$ 355
Mon 15/98:40 a.m.SEA - YYZ
2 stops12h 51mWestJet
Mon 29/91:30 p.m.YYZ - SEA
1 stop9h 59mWestJet
Deal found 19/8C$ 356
Mon 13/102:05 p.m.SEA - YYZ
2 stops12h 46mWestJet
Fri 17/101:30 p.m.YYZ - SEA
1 stop8h 44mWestJet
Deal found 20/8C$ 358

Cheapflights Fare Finder

 
Customize your flight search to find flights from 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, Cheapflights users made 629,999 searches. Data last updated 20 August 2025.
Use the filters below to find and compare flights from Washington to Toronto that are best for you.

Fly from

Washington

Fly to

Toronto

Route

Depart

Return

Price

SeattleHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Thu 2/10

1:50 p.m.-12:40 a.m.

1 stop7h 50m

Hamilton

Tue 7/10

6:00 a.m.-12:59 p.m.

1 stop9h 59m

C$ 282

SeattleHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Wed 15/10

1:50 p.m.-12:40 a.m.

1 stop7h 50m

Hamilton

Mon 20/10

6:00 a.m.-12:59 p.m.

1 stop9h 59m

C$ 315

SeattleHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Thu 2/10

1:50 p.m.-12:40 a.m.

1 stop7h 50m

Hamilton

Mon 6/10

6:00 a.m.-8:29 p.m.

1 stop17h 29m

C$ 319

SeattleHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Sun 19/10

2:05 p.m.-12:40 a.m.

1 stop7h 35m

Hamilton

Sat 25/10

6:00 a.m.-12:59 p.m.

1 stop9h 59m

C$ 338

SeattleHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Fri 24/10

1:50 p.m.-12:40 a.m.

1 stop7h 50m

Hamilton

Sun 26/10

6:10 p.m.-2:20 p.m.

1 stop23h 10m

C$ 351

SeattleHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Fri 24/10

1:50 p.m.-12:40 a.m.

1 stop7h 50m

Hamilton

Mon 27/10

6:10 p.m.-2:20 p.m.

1 stop23h 10m

C$ 352

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Wed 22/10

8:40 a.m.-6:52 p.m.

1 stop7h 12m

Toronto Pearson Intl

Wed 29/10

7:45 a.m.-2:20 p.m.

1 stop9h 35m

C$ 355

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Mon 15/9

8:40 a.m.-12:31 a.m.

2 stops12h 51m

Toronto Pearson Intl

Mon 29/9

1:30 p.m.-8:29 p.m.

1 stop9h 59m

C$ 356

SeattleToronto

SEA - YTZ

SEAYTZ

Seattle/Tacoma Intl

Mon 29/9

7:15 a.m.-7:49 p.m.

1 stop9h 34m

Toronto Island

Tue 7/10

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

1 stop10h 06m

C$ 358

PortlandToronto

PDX - YTZ

PDXYTZ

Portland

Sat 4/10

6:15 a.m.-6:46 p.m.

2 stops9h 31m

Toronto Island

Sat 11/10

4:10 p.m.-11:01 p.m.

2 stops9h 51m

C$ 362

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/8

Showing 1-10 of 60 results
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Best time to book a flight from Washington to Toronto

Have a flexible travel schedule? Discover the best time to fly to Toronto 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

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

Currently, January is the cheapest month in which you can book a flight from State of Washington to Toronto (average of C$ 168). Flying from State of Washington to Toronto in July is currently the most expensive (average of C$ 258). 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.

What is the cheapest time of day to fly from WA to YTO?

Find hourly flight availability from Washington to Toronto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 20 August 2025.

When flying from State of Washington to Toronto, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from State of Washington to Toronto

Explore weekly flight availability from Washington to Toronto. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 20 August 2025.

The most flights from USWA to YTO are scheduled on a Thursday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Related info for your journey

Find useful and relevant information for your journey from Washington to Toronto. 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?

    WestJet, Air Canada, and United Airlines can get you from State of Washington to Toronto in just under 7h 11m. Your travel time can differ by up to 2h 23m. There are 3364 km between State of Washington and Toronto. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from State of Washington to Toronto one-way?

    C$ 123 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Air Canada and Alaska Airlines, with prices starting from C$ 166 and C$ 169, respectively.

  • What are the most popular routes from State of Washington to Toronto?

    The most popular route from State of Washington to Toronto is Seattle/Tacoma Intl - Toronto Pearson Intl. You may also consider Seattle/Tacoma Intl - Toronto Island or Seattle/Tacoma Intl - Hamilton.

  • What are the most reliable airlines from State of Washington to Toronto?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from State of Washington to Toronto on time: Qatar Airways (98%), Alaska Airlines (95%), Hawaiian Airlines (95%).

  • What are the cheapest flights from State of Washington to Toronto?

    The cheapest flight price from State of Washington to Toronto is C$ 161. On average you can expect to pay C$ 680. The most popular route, (Seattle/Tacoma Intl - Toronto Pearson Intl), can usually be booked for C$ 370.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington to Toronto 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?

    Currently, January is the cheapest month in which you can book a flight from State of Washington to Toronto (average of C$ 168). Flying from State of Washington to Toronto in July is currently the most expensive (average of C$ 258). 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

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Washington to Toronto

Discover the top 4 airlines that operate flights from Washington to Toronto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 20 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 191AverageC$ 553FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 298AverageC$ 484FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Alaska AirlinesCheapestC$ 423AverageC$ 766FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapestC$ 508AverageC$ 736FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Washington to Toronto?

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Why should you use Cheapflights to find cheap flight tickets from Washington to Toronto?

Millions of users choose and trust Cheapflights to book the best flight deals from Washington to Toronto for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Washington to Toronto with no change fees?

Yes, we can. To see specific flights from Washington to Toronto with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Washington to Toronto become cheaper?

Yes! Start tracking prices for Washington to Toronto flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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