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Cheap flights from Toronto to Washington from C$ 203

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 21/5. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — SEA
2 Jan — 9 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Toronto to Washington

Enter your travel dates to find the best prices.

Cheapest flights from Toronto to Washington
Explore the most affordable flight options available from Toronto to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 December 2025.

Sun 14/126:30 a.m.YYZ - SEA
1 stop10h 50mWestJet
Wed 24/123:10 p.m.SEA - YYZ
1 stop18h 18mWestJet
Deal found 30/11C$ 347
Sun 14/124:45 p.m.YYZ - SEA
Nonstop5h 33mMultiple Airlines
Wed 24/123:10 p.m.SEA - YYZ
1 stop18h 18mMultiple Airlines
Deal found 30/11C$ 350
Sun 14/125:55 p.m.YYZ - SEA
1 stop9h 55mUnited Airlines
Wed 31/127:00 a.m.SEA - YYZ
1 stop11h 21mUnited Airlines
Deal found 30/11C$ 378
Sun 14/125:55 p.m.YYZ - SEA
1 stop9h 55mUnited Airlines
Fri 26/1211:15 p.m.SEA - YYZ
1 stop16h 42mUnited Airlines
Deal found 30/11C$ 388
Sun 14/124:45 p.m.YYZ - SEA
Nonstop5h 33mAlaska Airlines
Tue 30/128:00 a.m.SEA - YYZ
Nonstop4h 35mAlaska Airlines
Deal found 30/11C$ 392
Tue 16/124:45 p.m.YYZ - SEA
Nonstop5h 33mAlaska Airlines
Tue 3/37:55 a.m.SEA - YYZ
Nonstop4h 40mAlaska Airlines
Deal found 2/12C$ 396
Sun 14/124:45 p.m.YYZ - SEA
Nonstop5h 33mAlaska Airlines
Mon 29/128:00 a.m.SEA - YYZ
Nonstop4h 35mAlaska Airlines
Deal found 30/11C$ 399
Mon 15/124:45 p.m.YYZ - SEA
Nonstop5h 33mAlaska Airlines
Mon 29/128:00 a.m.SEA - YYZ
Nonstop4h 35mAlaska Airlines
Deal found 30/11C$ 406
Tue 16/122:15 p.m.YYZ - SEA
2 stops11h 13mUnited Airlines
Wed 31/125:02 a.m.SEA - YYZ
1 stop14h 39mUnited Airlines
Deal found 30/11C$ 411
Mon 15/124:45 p.m.YYZ - SEA
Nonstop5h 33mAlaska Airlines
Wed 31/128:00 a.m.SEA - YYZ
Nonstop4h 35mAlaska Airlines
Deal found 30/11C$ 413
Tue 16/125:55 p.m.YYZ - SEA
1 stop9h 55mUnited Airlines
Tue 3/211:00 p.m.SEA - YYZ
1 stop9h 48mUnited Airlines
Deal found 2/12C$ 416
Sat 13/127:50 p.m.YYZ - SEA
Nonstop5h 26mAir Canada
Mon 29/128:00 p.m.SEA - YYZ
2 stops12h 40mAir Canada
Deal found 30/11C$ 424

Find flight deals from Toronto to Washington

Keep the following information in mind while searching for Toronto to Washington flight deals. Data was last updated 3 December 2025.

Round-trip from

C$ 278

One-way from

C$ 203

Popular in

December

Cheapest in

February

Average price

C$ 637

Good round-trip deal

C$ 370 or less

Good one-way deal

C$ 310 or less
WestJet
  • WestJet
  • 30/4-9/5
  • 2 total stops
  • 25h 03m total
  • Toronto to Washington
Search Deals
WestJet
  • WestJet
  • 21/5
  • 1 total stop
  • 10h 08m total
  • Toronto to Washington
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 12 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Toronto (YTO) to Washington.
Search Deals
Price to beat on a one-way flight from Toronto (YTO) to Washington.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Toronto to Washington 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 3 December 2025.
Use the filters below to find and compare flights from Toronto to Washington that are best for you.

Fly from

Toronto

Fly to

Washington

Route

Depart

Return

Price

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

Thu 30/4

6:00 a.m.-8:28 p.m.

1 stop17h 28m

Seattle/Tacoma Intl

Sat 9/5

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

1 stop7h 35m

C$ 278

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

Mon 1/6

6:00 a.m.-8:28 p.m.

1 stop17h 28m

Seattle/Tacoma Intl

Mon 8/6

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

1 stop7h 35m

C$ 309

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Sat 17/1

10:45 a.m.-9:12 p.m.

2 stops13h 27m

Seattle/Tacoma Intl

Sat 24/1

5:10 p.m.-9:58 a.m.

2 stops13h 48m

C$ 312

TorontoSeattle

YKF - SEA

YKFSEA

Toronto Region of Waterloo Intl

Thu 26/2

6:20 a.m.-2:19 p.m.

1 stop10h 59m

Seattle/Tacoma Intl

Sun 1/3

3:10 p.m.-5:29 a.m.

1 stop11h 19m

C$ 320

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Fri 16/1

3:30 p.m.-12:59 a.m.

2 stops12h 29m

Seattle/Tacoma Intl

Wed 21/1

5:00 a.m.-7:17 p.m.

2 stops11h 17m

C$ 322

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Sun 18/1

3:30 p.m.-10:43 p.m.

1 stop10h 13m

Seattle/Tacoma Intl

Wed 28/1

5:00 a.m.-3:02 p.m.

1 stop7h 02m

C$ 327

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

Fri 8/5

6:00 a.m.-8:28 p.m.

1 stop17h 28m

Seattle/Tacoma Intl

Sat 16/5

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

1 stop7h 35m

C$ 330

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

Sat 9/5

6:00 a.m.-1:08 p.m.

1 stop10h 08m

Seattle/Tacoma Intl

Sat 16/5

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

1 stop7h 35m

C$ 332

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Sat 14/2

5:30 p.m.-10:43 p.m.

1 stop8h 13m

Seattle/Tacoma Intl

Tue 17/2

11:59 p.m.-9:58 a.m.

1 stop6h 59m

C$ 333

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Thu 26/2

3:45 p.m.-11:00 p.m.

1 stop10h 15m

Seattle/Tacoma Intl

Mon 2/3

7:00 a.m.-9:21 p.m.

1 stop11h 21m

C$ 333

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/12

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

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

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

Currently, May is the cheapest month in which you can book a flight from Toronto to State of Washington (average of C$ 129). Flying from Toronto to State of Washington in June is currently the most expensive (average of C$ 348). 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 YTO to WA?

Find hourly flight availability from Toronto to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 3 December 2025.

A simple way to save on the total cost of your ticket is to fly from Toronto to State of Washington in the evening. If you’re flexible enough to do this you can expect to save up to 25% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Toronto to State of Washington?

Use this chart to determine the cheapest time to fly round-trip from Toronto to Washington. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Toronto to State of Washington flight should consider departing on Thursday mornings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Toronto to State of Washington

Explore weekly flight availability from Toronto to Washington. 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 3 December 2025.

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

How much does it cost to fly round-trip from Toronto to State of Washington?

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated 3 December 2025.
Read through reviews of airlines operating flights from Toronto to Washington, 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
11,391 reviews
Check prices

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Alaska Airlines
8.0
Very good
11,391 reviews
Alaska Airlines
8.0
Very good
11,391 reviews
Check prices

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Delta
7.9
Good
8,007 reviews
Alaska Airlines
8.0
Very good
11,391 reviews
Check prices

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
United Airlines
7.4
Good
9,064 reviews
Alaska Airlines
8.0
Very good
11,391 reviews
Check prices

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
WestJet
7.2
Good
3,190 reviews
Alaska Airlines
8.0
Very good
11,391 reviews
Check prices

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Air Canada
7.1
Good
10,497 reviews
Alaska Airlines
8.0
Very good
11,391 reviews
Check prices

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.

Related info for your journey

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

    A quick flight from Toronto to State of Washington can take about 9h 40m. WestJet provides one of the quickest options available for as low as C$ 341. Toronto and State of Washington are separated by a distance of 3364 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    While some choose either Toronto Region of Waterloo Intl - Seattle/Tacoma Intl or Hamilton - Seattle/Tacoma Intl, Toronto Pearson Intl - Seattle/Tacoma Intl is the most popular route from Toronto to State of Washington.

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

    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 Toronto to State of Washington on time: Hawaiian Airlines (84%), Air Tahiti Nui (84%), Qatar Airways (78%).

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

    On average you can expect to pay C$ 472 for a flight from Toronto to State of Washington. The cheapest flight overall is C$ 230 while the most popular route, (Toronto Pearson Intl - Seattle/Tacoma Intl) is currently priced at C$ 243.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Toronto to Washington 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 Toronto to State of Washington?

    Currently, May is the cheapest month in which you can book a flight from Toronto to State of Washington (average of C$ 129). Flying from Toronto to State of Washington in June is currently the most expensive (average of C$ 348). 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 Toronto to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Toronto to Washington

Discover the top 6 airlines that operate flights from Toronto to Washington. 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 3 December 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 185AverageC$ 405FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Alaska AirlinesCheapestC$ 300AverageC$ 491FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Air CanadaCheapestC$ 342AverageC$ 618FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 363AverageC$ 621FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 367AverageC$ 534FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Hawaiian AirlinesCheapestC$ 416AverageC$ 470FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Toronto to Washington. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights helps you find that perfect flight to Washington from Toronto by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes! Cheapflights helps users easily find flights from Toronto to Washington with no change fees.

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

Yes, Cheapflights offers price alerts on Toronto to Washington flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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