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Cheap flights from Toronto to Washington, D.C. from C$ 170

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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — WAS
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Toronto to Washington, D.C. are usually found in April or March, booked 72 days in advance, depart on a Friday or Thursday and return on a Monday

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

Discover tips and strategies to find the most affordable flight options for your journey from Toronto (YTO) to Washington, D.C. (WAS). 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 11 September 2025.

Round-trip from

C$ 251

One-way from

C$ 170

Popular in

June

Cheapest in

April

Average price

C$ 327

Good round-trip deal

C$ 267 or less

Good one-way deal

C$ 154 or less
Porter Airlines
  • Porter Airlines
  • 25/9-29/9
  • Nonstop
  • 3h 04m total
  • Toronto to Washington, D.C.
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Air Canada
  • Air Canada
  • 2/10
  • 1 total stop
  • 3h 58m total
  • Toronto to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 23 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 11 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Toronto (YTO) to Washington, D.C. (WAS).
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Price to beat on a one-way flight from Toronto (YTO) to Washington, D.C. (WAS).
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Find flight deals from Toronto to Washington, D.C.

Cheapest flights from Toronto to Washington, D.C.
Explore the most affordable flight options available from Toronto to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2025.

Thu 25/98:45 a.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Mon 29/94:20 p.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
Deal found 9/9C$ 251
Thu 9/108:45 a.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Thu 16/1011:35 a.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
Deal found 9/9C$ 254
Thu 6/118:55 a.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Wed 12/1111:40 a.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 9/9C$ 255
Thu 2/108:55 p.m.YYZ - DCA
Nonstop1h 39mAir Canada
Sun 5/106:59 a.m.DCA - YYZ
Nonstop1h 32mAir Canada
Deal found 9/9C$ 256
Thu 9/101:35 p.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Sun 12/104:20 p.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
Deal found 9/9C$ 256
Fri 3/101:35 p.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Sat 18/104:20 p.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
Deal found 9/9C$ 258
Wed 8/101:35 p.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Wed 15/104:20 p.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
Deal found 10/9C$ 259
Mon 3/118:55 a.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Thu 6/1111:40 a.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 9/9C$ 262
Sat 1/115:30 p.m.YTZ - DCA
1 stop4h 26mAir Canada
Tue 4/114:10 p.m.DCA - YTZ
1 stop5h 25mAir Canada
Deal found 9/9C$ 262
Tue 30/94:30 p.m.YYZ - DCA
Nonstop1h 34mAir Canada
Mon 13/106:00 a.m.DCA - YYZ
1 stop4h 39mAir Canada
Deal found 9/9C$ 263
Fri 26/91:35 p.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Sun 28/94:20 p.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
Deal found 8/9C$ 263
Thu 2/101:35 p.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Sun 5/1011:35 a.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
Deal found 10/9C$ 265

Cheapflights Fare Finder

 
Customize your flight search to find flights from Toronto to Washington, D.C. 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 11 September 2025.
Use the filters below to find and compare flights from Toronto to Washington, D.C. that are best for you.

Fly from

Toronto

Fly to

Washington, D.C.

Route

Depart

Return

Price

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 3/10

1:35 p.m.-3:06 p.m.

Nonstop1h 31m

Washington, D.C. Dulles Intl

Wed 15/10

4:20 p.m.-5:53 p.m.

Nonstop1h 33m

C$ 258

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 2/10

8:45 a.m.-10:16 a.m.

Nonstop1h 31m

Washington, D.C. Dulles Intl

Sun 5/10

11:35 a.m.-1:08 p.m.

Nonstop1h 33m

C$ 266

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sun 5/10

8:45 a.m.-10:16 a.m.

Nonstop1h 31m

Washington, D.C. Dulles Intl

Tue 7/10

4:20 p.m.-5:53 p.m.

Nonstop1h 33m

C$ 269

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Wed 15/10

1:35 p.m.-3:06 p.m.

Nonstop1h 31m

Washington, D.C. Dulles Intl

Fri 17/10

4:20 p.m.-5:53 p.m.

Nonstop1h 33m

C$ 269

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 2/10

1:35 p.m.-3:06 p.m.

Nonstop1h 31m

Washington, D.C. Dulles Intl

Sun 12/10

4:20 p.m.-5:53 p.m.

Nonstop1h 33m

C$ 270

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Tue 7/10

1:35 p.m.-3:06 p.m.

Nonstop1h 31m

Washington, D.C. Dulles Intl

Tue 14/10

4:20 p.m.-5:53 p.m.

Nonstop1h 33m

C$ 270

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 2/10

8:45 a.m.-10:16 a.m.

Nonstop1h 31m

Washington, D.C. Dulles Intl

Sat 18/10

4:20 p.m.-5:53 p.m.

Nonstop1h 33m

C$ 270

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sun 9/11

8:55 a.m.-10:24 a.m.

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 9/11

6:30 p.m.-8:00 p.m.

Nonstop1h 30m

C$ 270

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sat 18/10

1:35 p.m.-3:06 p.m.

Nonstop1h 31m

Washington, D.C. Dulles Intl

Mon 20/10

4:20 p.m.-5:53 p.m.

Nonstop1h 33m

C$ 272

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Fri 31/10

10:30 a.m.-3:56 p.m.

1 stop5h 26m

Washington, D.C. Reagan-National

Thu 6/11

11:05 a.m.-5:55 p.m.

1 stop6h 50m

C$ 280

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from Toronto to Washington, D.C.. Price data was last updated on 29 August 2025.

The best time to book flights from Toronto to Washington, D.C. is 72 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, February is the cheapest month in which you can book a flight from Toronto to Washington, D.C. (average of C$ 256). Flying from Toronto to Washington, D.C. in October is currently the most expensive (average of C$ 352). 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 WAS?

Find hourly flight availability from Toronto to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 September 2025.

It’s optimal to fly from Toronto to Washington, D.C. in the afternoon. By choosing this option you can save up to 39% on the cost of your flight, compared to a flight in the evening.

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

Use this chart to determine the cheapest time to fly round-trip from Toronto to Washington, D.C.. Price data was last updated on 15 September 2024.

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

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

Explore weekly flight availability from Toronto to Washington, D.C.. 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 11 September 2025.

The most flights from YTO to WAS are scheduled on a Thursday (32 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (23 on average).

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

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

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

Detroit (DTW) – chosen by Cheapflights users on 38% of one-stop itineraries from Toronto to Washington, D.C. on Cheapflights.

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

Average round-trip fare for 1-stop flights from Toronto to Washington, D.C., 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$ 329.

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

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

Flights via Ottawa (YOW) have the shortest average one-way travel time for 1-stop routes: 3h 53m.

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

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

Flights via New York (LGA) offer the fastest connection on this route, with an average layover time of 1h 04m.

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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, D.C.. Reviews last updated 11 September 2025.
Read reviews from past customers who have flown Porter Airlines,Air Transat, andUnited Airlines from Toronto to Washington, D.C.. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
7.9
Good
363 reviews
Check prices

Comfort

7.9

Overall

7.9

Boarding

8.1

Food

7.6

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
7.9
Good
363 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Comfort

7.9

Overall

7.9

Boarding

8.1

Food

7.6

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Transat
7.7
Good
438 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Comfort

7.9

Overall

7.9

Boarding

8.1

Food

7.6

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
United Airlines
7.4
Good
8,937 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Comfort

7.9

Overall

7.9

Boarding

8.1

Food

7.6

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
WestJet
7.2
Good
3,091 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Comfort

7.9

Overall

7.9

Boarding

8.1

Food

7.6

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,000 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Comfort

7.9

Overall

7.9

Boarding

8.1

Food

7.6

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Related info for your journey

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

    Airlines like Porter Airlines, Air Canada, and United Airlines fly from Toronto to Washington, D.C. in about 1h 31m. The time it takes to get you to your destination can typically vary by up to 3h 55m. The distance from Toronto to Washington, D.C. is about 546 km. Both multi-stop and direct flights can be found to your destination and back.

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

    Porter Airlines, at C$ 185, was found to be the cheapest airline from Toronto to Washington, D.C..Alternate airlines to your destination round-trip include Air Transat and American Airlines. You may be able to fly from Toronto to Washington, D.C. for 47% less than the average price by searching for these airlines.

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

    One-way options have recently been found by users for as low as C$ 170 on Air Canada. Other airlines that offer cheap prices include Air Transat from C$ 175 and Porter Airlines from C$ 175 one-way.

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

    When deciding which route to take from Toronto to Washington, D.C. consider Toronto Pearson Intl - Washington, D.C. Dulles Intl, Toronto Pearson Intl - Washington, D.C. Reagan-National or Toronto Island - Washington, D.C. Dulles Intl as they are the most popular.

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

    No one likes to see their flight delayed. When booking a flight from Toronto to Washington, D.C. consider choosing Republic Airways (86%), Air Canada (83%) or Copa Airlines (80%) as they are the most reliable in getting you off to your destination on time.

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

    Looking for the cheapest flight from Toronto to Washington, D.C.? While on average our users pay C$ 1,327, our data indicates the cheapest price to be C$ 233. The most popular route (Toronto Pearson Intl - Washington, D.C. Dulles Intl), is priced around C$ 287.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Toronto to Washington, D.C. (average of C$ 256). Flying from Toronto to Washington, D.C. in October is currently the most expensive (average of C$ 352). 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

Travelling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Herndon
Hanover
Reston
Fairfax
Ellicott City
Oxon Hill
Gaithersburg
Arlington
Alexandria
Manassas
Fredericksburg
Rockville

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Fly from Toronto to Washington, D.C. on these airlines

Choose from the following airlines for your flight from Toronto to Washington, D.C.. Flights are based on user searches made on Cheapflights and were last updated on 11 September 2025.
Porter Airlines flights from Toronto to Washington, D.C.
Air Canada flights from Toronto to Washington, D.C.
United Airlines flights from Toronto to Washington, D.C.

Top 7 airlines flying from Toronto to Washington, D.C.

Discover the top 7 airlines that operate flights from Toronto to Washington, D.C.. 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 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 185AverageC$ 304FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 200AverageC$ 370FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapestC$ 205AverageC$ 352FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
American AirlinesCheapestC$ 211AverageC$ 418FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 270AverageC$ 468FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 311AverageC$ 374FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
WestJetCheapestC$ 384AverageC$ 543FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Toronto to Washington, D.C.?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Washington, D.C. from Toronto today with Cheapflights!

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

Millions of users choose and trust Cheapflights to book the best flight deals from Toronto to Washington, D.C. 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 Toronto to Washington, D.C. with no change fees?

Yes, we can. To see specific flights from Toronto to Washington, D.C. 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 Toronto to Washington, D.C. become cheaper?

Yes, Cheapflights offers price alerts on Toronto to Washington, D.C. 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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