Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Washington, D.C. 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — YTO
18 Apr — 25 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Washington, D.C. to Toronto are usually found in June or April, booked 68 days in advance, depart on a Thursday or Sunday and return on a Friday

Cheap flight deals from Washington, D.C. to Toronto

Enter your travel dates to find the best prices.

Cheapest flights from Washington, D.C. to Toronto
Explore the most affordable flight options available from Washington, D.C. to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 March 2026.

Thu 9/411:40 a.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Mon 13/49:25 a.m.
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
Deal found 16/3C$ 297
Mon 13/411:40 a.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Thu 16/49:25 a.m.
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
Deal found 17/3C$ 300
Fri 17/46:00 p.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Mon 20/49:25 a.m.
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
Deal found 16/3C$ 304
Sat 25/41:45 p.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Mon 27/49:25 a.m.
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
Deal found 16/3C$ 306
Mon 13/411:40 a.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Wed 22/49:25 a.m.
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
Deal found 17/3C$ 307
Sat 30/511:30 a.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Tue 2/69:15 a.m.
YTZ
-
IAD
Nonstop1h 31m
Porter Airlines
Deal found 18/3C$ 308
Wed 15/411:40 a.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Wed 22/49:25 a.m.
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
Deal found 17/3C$ 310
Wed 15/411:40 a.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Sat 25/411:30 a.m.
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
Deal found 17/3C$ 311
Fri 8/511:30 a.m.
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Sun 10/51:50 p.m.
YTZ
-
IAD
Nonstop1h 31m
Porter Airlines
Deal found 18/3C$ 312
Thu 9/412:55 p.m.
DCA
-
YTZ
1 stop5h 27m
Air Canada
Mon 13/45:30 p.m.
YTZ
-
DCA
1 stop4h 25m
Air Canada
Deal found 18/3C$ 319
Sat 2/56:55 p.m.
DCA
-
YYZ
Nonstop1h 32m
Air Canada
Sat 9/57:20 a.m.
YYZ
-
DCA
Nonstop1h 33m
Air Canada
Deal found 18/3C$ 326
Sat 2/59:55 a.m.
IAD
-
YYZ
Nonstop1h 27m
Air Canada
Sat 9/56:55 p.m.
YYZ
-
IAD
Nonstop1h 34m
Air Canada
Deal found 18/3C$ 326

Find flight deals from Washington, D.C. to Toronto

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Toronto (YTO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 19 March 2026.

Round-trip from

C$ 297

One-way from

C$ 141

Popular in

March

Cheapest in

June

Average price

C$ 444

Good round-trip deal

C$ 247 or less

Good one-way deal

C$ 210 or less
Porter Airlines
  • Porter Airlines
  • 9/4-13/4
  • Nonstop
  • 2h 59m total
  • Washington, D.C. to Toronto
Search Deals
Porter Airlines
  • Porter Airlines
  • 9/4
  • Nonstop
  • 1h 30m total
  • Washington, D.C. to Toronto
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. (WAS) to Toronto (YTO).
Search Deals
Price to beat on a one-way flight from Washington, D.C. (WAS) to Toronto (YTO).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 19 March 2026.
Use the filters below to find and compare flights from Washington, D.C. to Toronto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Mon 1/6

3:45 p.m.-9:32 p.m.

1 stop5h 47m

Toronto Island

Tue 30/6

8:30 a.m.-3:01 p.m.

1 stop6h 31m

C$ 362
Quickest round-trip

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Sat 2/5

11:30 a.m.-1:00 p.m.

Nonstop1h 30m

Toronto Island

Sat 9/5

9:15 a.m.-10:46 a.m.

Nonstop1h 31m

C$ 369

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Mon 4/5

4:05 p.m.-5:35 p.m.

Nonstop1h 30m

Toronto Island

Thu 7/5

1:50 p.m.-3:21 p.m.

Nonstop1h 31m

C$ 369

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Wed 29/4

8:20 a.m.-10:04 a.m.

Nonstop1h 44m

Toronto Pearson Intl

Sun 3/5

12:45 p.m.-2:24 p.m.

Nonstop1h 39m

C$ 381

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Sat 30/5

9:45 a.m.-2:22 p.m.

1 stop4h 37m

Toronto Island

Tue 2/6

2:55 p.m.-4:12 p.m.

Nonstop1h 17m

C$ 381

Washington, D.C.Toronto

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Sat 30/5

12:45 p.m.-6:22 p.m.

1 stop5h 37m

Toronto Island

Tue 2/6

8:20 a.m.-12:01 p.m.

1 stop3h 41m

C$ 384

Washington, D.C.Toronto

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Fri 10/4

12:55 p.m.-6:22 p.m.

1 stop5h 27m

Toronto Island

Tue 14/4

7:55 a.m.-12:01 p.m.

1 stop4h 06m

C$ 384

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Fri 8/5

4:05 p.m.-5:35 p.m.

Nonstop1h 30m

Toronto Island

Tue 12/5

9:15 a.m.-10:46 a.m.

Nonstop1h 31m

C$ 388

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Tue 2/6

11:30 a.m.-1:00 p.m.

Nonstop1h 30m

Toronto Island

Fri 5/6

9:15 a.m.-10:46 a.m.

Nonstop1h 31m

C$ 392

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Fri 15/5

3:45 p.m.-9:32 p.m.

1 stop5h 47m

Toronto Island

Sun 17/5

10:45 a.m.-3:03 p.m.

1 stop4h 18m

C$ 393

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/3

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Washington, D.C. to Toronto

Have a flexible travel schedule? Discover the best time to fly to Toronto from Washington, D.C. 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, D.C. to Toronto

How far ahead should I book a flight from Washington, D.C. to Toronto?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Toronto. Price data was last updated on 13 March 2026.

Booking 68 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to Toronto. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Washington, D.C. to Toronto?

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Toronto (average of C$ 144). Flying from Washington, D.C. to Toronto in March is currently the most expensive (average of C$ 289). 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 WAS to YTO?

Find hourly flight availability from Washington, D.C. 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 19 March 2026.

One of the essential ways to save on airfare from Washington, D.C. to Toronto is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 17% on airfare.

What is the cheapest day to fly from Washington, D.C. to Toronto?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Toronto. Price data was last updated on 16 March 2025.

Travelers seeking maximum savings on their Washington, D.C. to Toronto flight should consider departing on Thursday afternoons when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Washington, D.C. to Toronto

Explore weekly flight availability from Washington, D.C. 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 19 March 2026.

The most flights from WAS to YTO are scheduled on a Monday (32 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (24 on average).

How much does it cost to fly round-trip from Washington, D.C. to Toronto?

What’s the top layover airport for flights from Washington, D.C. to Toronto?

Share of one-stop round-trip flights from Washington, D.C. to Toronto chosen by Cheapflights users in the past 12 months, using the same layover each way.

Montreal (YUL) – chosen by Cheapflights users on 50% of one-stop itineraries from Washington, D.C. to Toronto on Cheapflights.

What’s the cheapest layover airport for flights from Washington, D.C. to Toronto?

Average round-trip fare for 1-stop flights from Washington, D.C. to Toronto, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Montreal (YUL) is the most affordable 1-stop option, with an average round-trip price of C$ 885.

What’s the fastest layover option from Washington, D.C. to Toronto?

Shortest average travel time for 1-stop one-way flights from Washington, D.C. to Toronto, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Toronto (YYZ) have the shortest average one-way travel time for 1-stop routes: 4h 26m.

Which airport typically offers the quickest layover for flights from Washington, D.C. to Toronto?

Average layover duration for 1-stop one-way flights from Washington, D.C. to Toronto, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Montreal (YUL) offer the fastest connection on this route, with an average layover time of 1h 32m.

How often are flights from Washington, D.C. to Toronto delayed?

About 14% of weekly flights between Washington, D.C. and Toronto have experienced delays in the past year, with the average delay time being 126 minutes.

What is the most punctual flight time for Washington, D.C. to Toronto flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Washington, D.C. to Toronto flights?

Over the past year, United Airlines has had the lowest number of delays on this route, with just 13% of flights being delayed.

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 19 March 2026.
Read through reviews of airlines operating flights from Washington, D.C. to Toronto, such as Porter Airlines and Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
424 reviews
Check prices

Food

7.6

Crew

8.6

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Porter Airlines
8.0
Very good
424 reviews
Porter Airlines
8.0
Very good
424 reviews
Check prices

Food

7.6

Crew

8.6

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Canada
7.1
Good
10,815 reviews
Porter Airlines
8.0
Very good
424 reviews
Check prices

Food

7.6

Crew

8.6

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

Related info for your journey

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

    For as low as C$ 369, Air Canada can have you in Toronto from Washington, D.C. in 1h 30m. There are 546 km between Washington, D.C. and Toronto. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Washington, D.C. to Toronto round-trip?

    Flying on United Airlines is currently your cheapest option to Toronto, with prices starting at C$ 156. Additional round-trip tickets that might be worth considering are offered by Porter Airlines and Air Canada, with the lowest prices starting at C$ 163 and C$ 249, respectively. United Airlines is currently priced 59% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Washington, D.C. to Toronto one-way?

    For one-way options, check prices for Porter Airlines. According to our data, you can fly for as low as C$ 96. Users have also found prices from C$ 128 and C$ 139 on Air Canada and American Airlines, respectively.

  • What are the most popular routes from Washington, D.C. to Toronto?

    The most popular route from Washington, D.C. to Toronto is Washington, D.C. Reagan-National - Toronto Pearson Intl. You may also consider Washington, D.C. Dulles Intl - Toronto Pearson Intl or Washington, D.C. Dulles Intl - Toronto Island.

  • What are the most reliable airlines from Washington, D.C. to Toronto?

    Consider ANA (77%), Copa Airlines (72%) or Republic Airways (72%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. to Toronto.

  • What are the cheapest flights from Washington, D.C. to Toronto?

    On average you can expect to pay C$ 485 for a flight from Washington, D.C. to Toronto. The cheapest flight overall is C$ 161 while the most popular route, (Washington, D.C. Reagan-National - Toronto Pearson Intl) is currently priced at C$ 371.

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

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

  • How can I find direct flights from Washington, D.C. to Toronto?

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

  • Can I find deals for business class flights from Washington, D.C. to Toronto?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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 Washington, D.C. to Toronto?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Toronto (average of C$ 144). Flying from Washington, D.C. to Toronto in March is currently the most expensive (average of C$ 289). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 4 airlines flying from Washington, D.C. to Toronto

Discover the top 4 airlines that operate flights from Washington, D.C. 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 19 March 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 156AverageC$ 505FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Porter AirlinesCheapestC$ 163AverageC$ 416FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 249AverageC$ 470FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 454AverageC$ 805FlexibilityNo cancel feeOn-time60%
Search WestJet 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 Washington, D.C. to Toronto?

Cheapflights helps you search for flights from Washington, D.C. to Toronto via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Washington, D.C. to Toronto?

Cheapflights simply makes it quick and affordable to book flights from Washington, D.C. to Toronto by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Washington, D.C. to Toronto with no change fees?

Need flexible booking options for your flight to Toronto from Washington, D.C.? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Washington, D.C. to Toronto become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.