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Cheap flights from Washington to Toronto from C$ 141

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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YTO
5 Jul — 12 Jul1
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 30 June 2025.

Round-trip from

C$ 342

One-way from

C$ 141

Popular in

June

Cheapest in

January

Average price

C$ 717

Good round-trip deal

C$ 586 or less

Good one-way deal

C$ 350 or less
WestJet
  • WestJet
  • 28/8-7/9
  • 2 total stops
  • 17h 50m total
  • Washington to Toronto
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WestJet
  • WestJet
  • 5/10
  • 1 total stop
  • 7h 35m total
  • Washington to Toronto
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 119 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 20 potential savings vs. average RT price).
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Average for round-trip flights in June 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 30 June 2025.

Thu 28/81:50 p.m.SEA - YHM
1 stop7h 51mWestJet
Sun 7/96:00 a.m.YHM - SEA
1 stop9h 59mWestJet
Deal found 30/6C$ 342
Tue 19/81:45 p.m.PDX - YYZ
1 stop7h 39mWestJet
Wed 27/86:30 a.m.YYZ - PDX
1 stop9h 34mWestJet
Deal found 28/6C$ 390
Mon 28/77:40 p.m.PDX - YYZ
1 stop8h 50mAir Canada
Wed 6/811:30 a.m.YYZ - PDX
1 stop10h 16mAir Canada
Deal found 28/6C$ 397
Tue 29/77:35 p.m.SEA - YYZ
1 stop8h 17mWestJet
Thu 21/89:00 a.m.YYZ - SEA
2 stops12h 38mWestJet
Deal found 28/6C$ 404
Tue 12/812:20 a.m.SEA - YYZ
1 stop6h 38mUnited Airlines
Wed 13/812:45 p.m.YYZ - SEA
1 stop11h 03mUnited Airlines
Deal found 30/6C$ 405
Thu 14/87:05 a.m.SEA - YKF
1 stop8h 51mWestJet
Sun 17/86:00 a.m.YKF - SEA
1 stop9h 58mWestJet
Deal found 30/6C$ 409
Wed 10/97:16 a.m.SEA - YYZ
Nonstop4h 44mAlaska Airlines
Tue 16/94:45 p.m.YYZ - SEA
Nonstop5h 23mAlaska Airlines
Deal found 29/6C$ 421
Thu 4/97:15 a.m.SEA - YTZ
1 stop11h 19mAir Canada
Thu 11/912:25 p.m.YTZ - SEA
1 stop10h 06mAir Canada
Deal found 29/6C$ 421
Tue 5/812:20 a.m.SEA - YYZ
1 stop15h 15mMultiple Airlines
Wed 13/811:30 a.m.YYZ - SEA
1 stop10h 06mMultiple Airlines
Deal found 29/6C$ 424
Tue 5/81:45 p.m.PDX - YYZ
1 stop7h 39mMultiple Airlines
Sat 9/87:00 a.m.YYZ - PDX
1 stop10h 15mMultiple Airlines
Deal found 28/6C$ 427
Wed 8/102:15 p.m.PDX - YYZ
1 stop6h 43mUnited Airlines
Sun 12/106:30 a.m.YYZ - PDX
1 stop19h 15mUnited Airlines
Deal found 29/6C$ 438
Mon 4/87:15 p.m.SEA - YYZ
2 stops13h 34mAir Canada
Tue 12/86:15 a.m.YYZ - SEA
2 stops11h 01mAir Canada
Deal found 29/6C$ 461

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 30 June 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 28/8

1:50 p.m.-12:41 a.m.

1 stop7h 51m

Hamilton

Sun 7/9

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

1 stop9h 59m

C$ 342

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Tue 19/8

1:45 p.m.-12:24 a.m.

1 stop7h 39m

Toronto Pearson Intl

Wed 27/8

6:30 a.m.-1:04 p.m.

1 stop9h 34m

C$ 390

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Mon 28/7

7:40 p.m.-7:30 a.m.

1 stop8h 50m

Toronto Pearson Intl

Wed 6/8

11:30 a.m.-6:46 p.m.

1 stop10h 16m

C$ 397

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Tue 29/7

7:35 p.m.-6:52 a.m.

1 stop8h 17m

Toronto Pearson Intl

Thu 21/8

9:00 a.m.-6:38 p.m.

2 stops12h 38m

C$ 404

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Tue 12/8

12:20 a.m.-9:58 a.m.

1 stop6h 38m

Toronto Pearson Intl

Wed 13/8

12:45 p.m.-8:48 p.m.

1 stop11h 03m

C$ 405

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Thu 14/8

7:05 a.m.-6:56 p.m.

1 stop8h 51m

Toronto Region of Waterloo Intl

Sun 17/8

6:00 a.m.-12:58 p.m.

1 stop9h 58m

C$ 409

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Wed 10/9

7:16 a.m.-3:00 p.m.

Nonstop4h 44m

Toronto Pearson Intl

Tue 16/9

4:45 p.m.-7:08 p.m.

Nonstop5h 23m

C$ 421

SeattleToronto

SEA - YTZ

SEAYTZ

Seattle/Tacoma Intl

Thu 4/9

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

1 stop11h 19m

Toronto Island

Thu 11/9

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

1 stop10h 06m

C$ 421

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Tue 5/8

12:20 a.m.-6:35 p.m.

1 stop15h 15m

Toronto Pearson Intl

Wed 13/8

11:30 a.m.-6:36 p.m.

1 stop10h 06m

C$ 424

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Tue 5/8

1:45 p.m.-12:24 a.m.

1 stop7h 39m

Toronto Pearson Intl

Sat 9/8

7:00 a.m.-2:15 p.m.

1 stop10h 15m

C$ 427

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/6

Showing 1-10 of 58 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$ 167). Flying from State of Washington to Toronto in July is currently the most expensive (average of C$ 255). 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 30 June 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 30 June 2025.

The most flights from USWA to YTO are scheduled on a Saturday (8 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).

Reviews of airlines servicing Toronto

Get insights into the airlines that provide service to Toronto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Toronto. Reviews last updated 30 June 2025.
Read through reviews of airlines operating flights from Washington to Toronto, such as Alaska Airlines,Delta, andUnited Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Entertainment

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Entertainment

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Delta
8.0
Very good
7,973 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Entertainment

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
United Airlines
7.4
Good
8,852 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Entertainment

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Entertainment

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
WestJet
7.2
Good
2,908 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Entertainment

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.

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.

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

    C$ 141 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on United Airlines and Air Canada, with prices starting from C$ 181 and C$ 182, 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 Portland - Toronto Pearson Intl 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 (96%), Alaska Airlines (93%), Hawaiian Airlines (93%).

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

    The cheapest flight price from State of Washington to Toronto is C$ 124. On average you can expect to pay C$ 567. The most popular route, (Seattle/Tacoma Intl - Toronto Pearson Intl), can usually be booked for C$ 361.

  • 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$ 167). Flying from State of Washington to Toronto in July is currently the most expensive (average of C$ 255). 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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George Bush Intcntl to Pearson Intl flights
Atlanta to Pearson Intl flights
O'Hare Intl to Pearson Intl flights
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Boston to Pierre Elliott Trudeau Intl flights
San Francisco to Pierre Elliott Trudeau Intl flights
Los Angeles to Pierre Elliott Trudeau Intl flights
Baltimore to Pearson Intl flights
Fort Lauderdale to Pearson Intl flights
Philadelphia to Pearson Intl flights
Raleigh to Pearson Intl flights
Fort Lauderdale to Pierre Elliott Trudeau Intl flights
Orlando to Pearson Intl flights
Atlanta to Pierre Elliott Trudeau Intl flights
Baltimore to Pierre Elliott Trudeau Intl flights
Cincinnati to Pierre Elliott Trudeau Intl flights
San Diego to Pearson Intl flights
Philadelphia to Pierre Elliott Trudeau Intl flights
Miami to Pearson Intl flights
John F Kennedy Intl to Toronto Island flights
Midway to Toronto Island flights
Dallas/Fort Worth to Pierre Elliott Trudeau Intl flights
Hobby to Pierre Elliott Trudeau Intl flights
Newark to Ottawa flights
Charlotte to Pearson Intl flights
LaGuardia to Toronto Island flights
Minneapolis to Pearson Intl flights
Austin to Pearson Intl flights
Denver to Pearson Intl flights
Nashville to Pearson Intl flights
Sky Harbor Intl to Pearson Intl flights

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 30 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 189AverageC$ 651FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 294AverageC$ 477FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Alaska AirlinesCheapestC$ 417AverageC$ 715FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapestC$ 501AverageC$ 726FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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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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