Cheap flights from Toronto to Washington, D.C. from C$ 175

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Toronto to Washington, D.C. departing on 12/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Toronto to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Porter Airlines Logo
8:55 a.m. - 10:24 a.m.YTZ-IAD
1h 29mdirect
Porter Airlines Logo
11:40 a.m. - 1:10 p.m.IAD-YTZ
1h 30mdirect
C$ 283Porter Airlines
Find Deal
Fri, 21 Nov - Mon, 24 Nov
Porter Airlines Logo
3:45 p.m. - 5:14 p.m.YTZ-IAD
1h 29mdirect
Porter Airlines Logo
11:40 a.m. - 1:10 p.m.IAD-YTZ
1h 30mdirect
C$ 287Porter Airlines
Find Deal
Fri, 14 Nov - Sun, 16 Nov
United Airlines Logo
7:40 p.m. - 9:20 p.m.YYZ-IAD
1h 40mdirect
United Airlines Logo
10:11 p.m. - 11:46 p.m.IAD-YYZ
1h 35mdirect
C$ 302United Airlines
Find Deal
Sat, 8 Nov - Tue, 11 Nov
Air Canada Logo
3:30 p.m. - 8:54 p.m.YTZ-IAD
5h 24m1 stop
Air Canada Logo
9:45 a.m. - 2:55 p.m.IAD-YTZ
5h 10m1 stop
C$ 305Air Canada
Find Deal
Sat, 1 Nov - Mon, 3 Nov
United Airlines Logo
7:40 p.m. - 9:20 p.m.YYZ-IAD
1h 40mdirect
United Airlines Logo
10:11 p.m. - 11:46 p.m.IAD-YYZ
1h 35mdirect
C$ 315United Airlines
Find Deal
Fri, 31 Oct - Tue, 11 Nov
Air Canada Logo
4:00 p.m. - 8:54 p.m.YYZ-IAD
4h 54m1 stop
Air Canada Logo
9:00 a.m. - 10:29 a.m.IAD-YYZ
1h 29mdirect
C$ 319Air Canada
Find Deal
Sun, 23 Nov - Tue, 2 Dec
Lufthansa Logo
2:45 p.m. - 4:27 p.m.YYZ-IAD
1h 42mdirect
Lufthansa Logo
10:11 p.m. - 11:46 p.m.IAD-YYZ
1h 35mdirect
C$ 321Lufthansa
Find Deal
Thu, 6 Nov - Sun, 9 Nov
Air Transat Logo
3:45 p.m. - 5:14 p.m.YTZ-IAD
1h 29mdirect
Air Transat Logo
11:40 a.m. - 1:10 p.m.IAD-YTZ
1h 30mdirect
C$ 325Air Transat
Find Deal
Thu, 4 Dec - Mon, 8 Dec
Lufthansa Logo
2:45 p.m. - 4:27 p.m.YYZ-IAD
1h 42mdirect
Lufthansa Logo
10:11 p.m. - 11:46 p.m.IAD-YYZ
1h 35mdirect
C$ 326Lufthansa
Find Deal
Sat, 1 Nov - Mon, 3 Nov
Air Transat Logo
8:55 a.m. - 10:24 a.m.YTZ-IAD
1h 29mdirect
Air Transat Logo
6:30 p.m. - 8:00 p.m.IAD-YTZ
1h 30mdirect
C$ 336Air Transat
Find Deal
Fri, 21 Nov - Sun, 23 Nov

Porter Airlines flights from Toronto to Washington, D.C. Dulles Intl Airport

Our best Porter Airlines deals on Toronto to Washington, D.C. Dulles Intl Airport flight tickets
Porter Airlines
21 Nov
YTZ8:55 a.m.Toronto Island
1h 29m
IAD10:24 a.m.Washington, D.C. Dulles Intl
24 Nov
IAD11:40 a.m.Washington, D.C. Dulles Intl
1h 30m
YTZ1:10 p.m.Toronto Island
Porter Airlines
14 Nov
YTZ3:45 p.m.Toronto Island
1h 29m
IAD5:14 p.m.Washington, D.C. Dulles Intl
16 Nov
IAD11:40 a.m.Washington, D.C. Dulles Intl
1h 30m
YTZ1:10 p.m.Toronto Island
Porter Airlines
20 Nov
YTZ3:45 p.m.Toronto Island
1h 29m
IAD5:14 p.m.Washington, D.C. Dulles Intl
24 Nov
IAD6:30 p.m.Washington, D.C. Dulles Intl
1h 30m
YTZ8:00 p.m.Toronto Island

United Airlines flights from Toronto to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Toronto to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
8 Nov
YYZ7:40 p.m.Toronto Pearson Intl
1h 40m
IAD9:20 p.m.Washington, D.C. Dulles Intl
11 Nov
IAD10:11 p.m.Washington, D.C. Dulles Intl
1h 35m
YYZ11:46 p.m.Toronto Pearson Intl
United Airlines
31 Oct
YYZ7:40 p.m.Toronto Pearson Intl
1h 40m
IAD9:20 p.m.Washington, D.C. Dulles Intl
11 Nov
IAD10:11 p.m.Washington, D.C. Dulles Intl
1h 35m
YYZ11:46 p.m.Toronto Pearson Intl
United Airlines
1 Nov
YYZ2:45 p.m.Toronto Pearson Intl
1h 42m
IAD4:27 p.m.Washington, D.C. Dulles Intl
4 Nov
IAD8:45 a.m.Washington, D.C. Dulles Intl
4h 58m
1 stop
YYZ1:43 p.m.Toronto Pearson Intl

momondo Fare Finder

 
Customize your flight search to find flights from Toronto to Washington, D.C. Dulles Intl Airport 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, momondo users made 96,600 searches. Data last updated 13 October 2025.
Use the filters below to find and compare flights from Toronto to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 21/11

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

Nonstop1h 29m

Washington, D.C. Dulles Intl

Mon 24/11

11:40 a.m.-1:10 p.m.

Nonstop1h 30m

C$ 283

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 14/11

3:45 p.m.-5:14 p.m.

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 16/11

11:40 a.m.-1:10 p.m.

Nonstop1h 30m

C$ 287

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Sat 8/11

7:40 p.m.-9:20 p.m.

Nonstop1h 40m

Washington, D.C. Dulles Intl

Tue 11/11

10:11 p.m.-11:46 p.m.

Nonstop1h 35m

C$ 302

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sat 1/11

3:30 p.m.-8:54 p.m.

1 stop5h 24m

Washington, D.C. Dulles Intl

Mon 3/11

9:45 a.m.-2:55 p.m.

1 stop5h 10m

C$ 305

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Fri 31/10

7:40 p.m.-9:20 p.m.

Nonstop1h 40m

Washington, D.C. Dulles Intl

Tue 11/11

10:11 p.m.-11:46 p.m.

Nonstop1h 35m

C$ 315

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Sun 23/11

4:00 p.m.-8:54 p.m.

1 stop4h 54m

Washington, D.C. Dulles Intl

Tue 2/12

9:00 a.m.-10:29 a.m.

Nonstop1h 29m

C$ 319

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Thu 6/11

2:45 p.m.-4:27 p.m.

Nonstop1h 42m

Washington, D.C. Dulles Intl

Sun 9/11

10:11 p.m.-11:46 p.m.

Nonstop1h 35m

C$ 321

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 4/12

3:45 p.m.-5:14 p.m.

Nonstop1h 29m

Washington, D.C. Dulles Intl

Mon 8/12

11:40 a.m.-1:10 p.m.

Nonstop1h 30m

C$ 325

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Sat 1/11

2:45 p.m.-4:27 p.m.

Nonstop1h 42m

Washington, D.C. Dulles Intl

Mon 3/11

10:11 p.m.-11:46 p.m.

Nonstop1h 35m

C$ 326

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 21/11

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

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 23/11

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

Nonstop1h 30m

C$ 336

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Toronto to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Toronto and Washington, D.C. Dulles Intl Airport?

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

The cheapest month to fly to Washington, D.C. Dulles Intl Airport from Toronto is in July. Flight prices, which tend to average around C$ 273, are often lower during this time because this is during the off-season. If you don’t want to visit Washington, D.C. Dulles Intl Airport in July, then you should wait until June to fly from Toronto, when ticket prices are also cheap, with an average price of C$ 291.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

According to our data, Friday is the cheapest day to fly to Washington, D.C. Dulles Intl Airport from Toronto. The lowest ticket price found for a Friday departure recently was C$ 534. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Washington, D.C. Dulles Intl Airport on Monday is C$ 888.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our most recent data shows that the best time of day to fly to Washington, D.C. Dulles Intl Airport is in the afternoon. Flights from Toronto to Washington, D.C. Dulles Intl Airport during this time can be as low as C$ 447. In the evening is when there is more demand to fly to Washington, D.C. Dulles Intl Airport, so prices are often more expensive at around C$ 766 per ticket.

What is the cheapest Toronto to Washington, D.C. Dulles Intl flight route?

Fly from Toronto Island to Washington, D.C. Dulles Intl for the best Toronto - Washington, D.C. Dulles Intl flight prices

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Toronto when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around C$ 403 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Toronto for as low as C$ 353 on momondo.

What cabin class options are available on Toronto to Washington, D.C. Dulles Intl flights?

There are 4 cabin classes available to choose from on Toronto to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Toronto to Washington, D.C. Dulles Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Toronto to Washington, D.C. Dulles Intl Airport.

How have Toronto to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of October 2025, prices for Toronto to Washington, D.C. Dulles Intl Airport flights are approximately 2% more expensive when compared to flights at the same time last year.

When to book flights from Toronto to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Toronto to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Toronto to Washington, D.C. Dulles Intl Airport (YTO to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Toronto to Washington, D.C. Dulles Intl Airport

Best price found

C$ 172

Fastest flight time

1h 29m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Toronto in the past 72 hours is C$ 172. The best round-trip flight deal from Toronto to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is C$ 269.
The fastest flight from Toronto to Washington, D.C. Dulles Intl Airport takes 1h 29m
Direct flights go from Toronto to Washington, D.C. Dulles Intl Airport every day.
  • How far is Toronto to Washington, D.C. Dulles Intl by plane?

    Washington, D.C. Dulles Intl is 546.9 km away from Toronto. In terms of flight time, this usually takes a little over 1h 29m.

  • When did momondo last update prices for flights from Toronto to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Toronto to Washington, D.C. Dulles Intl Airport are updated daily.

  • How many operators does momondo search for flights from Toronto to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from Toronto to Washington, D.C. Dulles Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Toronto to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Toronto to Washington, D.C. Dulles Intl Airport?

  • What is the most popular airline from Toronto to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Toronto to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Toronto to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Air TransatPriceFrom C$ 212Free CancellationRating
7.7
456 reviews
Search Air Transat flights
Porter AirlinesPriceFrom C$ 215Free CancellationRating
8.0
379 reviews
Search Porter Airlines flights
Air CanadaPriceFrom C$ 268Free CancellationRating
7.1
10,286 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 274Free CancellationRating
7.4
8,973 reviews
Search United Airlines flights
WestJetPriceFrom C$ 437Free CancellationRating
7.2
3,124 reviews
Search WestJet flights
  • Porter Airlines Flights From Toronto to Washington, D.C. Dulles Intl Airport

    The lowest priced Porter Airlines flight from Toronto to Washington, D.C. Dulles Intl Airport from the last 72 hours was C$ 154. Generally, Porter Airlines has 11 flights on this route every week with an average price of C$ 216. Porter Airlines is rated 8.0/10 by our users.

  • Air Transat Flights From Toronto to Washington, D.C. Dulles Intl Airport

    C$ 152 is the best Air Transat flight deal from Toronto to Washington, D.C. Dulles Intl Airport found on momondo over the last 72 hours. The average Air Transat ticket price found was closer to C$ 255, however, with flight time and availability significantly affecting the price. Air Transat (7.7/10 from 456 user reviews) flies into Washington, D.C. Dulles Intl Airport from Toronto 11 times in an average week so prices can vary.

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Gettysburg
Alexandria
Fairfax
Linthicum Heights
Silver Spring
Bethesda
Reston
Herndon
Laurel
Chantilly
Capitol Heights
Winchester
Arlington
Manassas
Fredericksburg
Ashburn
Woodbridge
Rockville
McLean
National Harbor

Why use momondo?

Why should I use momondo to find a flight deal from Toronto to Washington, D.C.?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Toronto to Washington, D.C.. momondo saves you time and could save you money on your trip.

Can I find flights from Toronto to Washington, D.C. with flexible booking policies on momondo?

momondo does allow users to show only those flights to Washington, D.C. from Toronto which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Toronto to Washington, D.C.?

Once all potential Toronto to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Toronto to Washington, D.C. right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington, D.C. from Toronto. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 12/11
Wed 19/11

Find better results for your trip to Washington, D.C.