Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Toronto to Washington, D.C. from C$ 156

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 23/9. 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.
Search flight deals

Find the cheapest flights from Toronto to Washington, D.C. (YTO-IAD)

Cheap round-trip flights

Porter Airlines Logo
8:45 a.m. - 10:16 a.m.YTZ-IAD
1h 31mdirect
Porter Airlines Logo
4:20 p.m. - 5:53 p.m.IAD-YTZ
1h 33mdirect
C$ 229Porter Airlines
Find Deal
Sun, 21 Sep - Sun, 28 Sep
Porter Airlines Logo
8:45 a.m. - 10:16 a.m.YTZ-IAD
1h 31mdirect
Porter Airlines Logo
11:35 a.m. - 1:08 p.m.IAD-YTZ
1h 33mdirect
C$ 257Porter Airlines
Find Deal
Mon, 8 Sep - Thu, 11 Sep
Air Canada Logo
8:10 a.m. - 9:38 a.m.YYZ-IAD
1h 28mdirect
Air Canada Logo
2:25 p.m. - 3:57 p.m.IAD-YYZ
1h 32mdirect
C$ 279Air Canada
Find Deal
Fri, 10 Oct - Tue, 14 Oct
Air Canada Logo
12:10 p.m. - 1:38 p.m.YYZ-IAD
1h 28mdirect
Air Canada Logo
10:20 a.m. - 11:52 a.m.IAD-YYZ
1h 32mdirect
C$ 282Air Canada
Find Deal
Fri, 12 Sep - Sun, 14 Sep
United Airlines Logo
7:40 p.m. - 9:20 p.m.YYZ-IAD
1h 40mdirect
United Airlines Logo
8:20 a.m. - 2:01 p.m.IAD-YYZ
5h 41m1 stop
C$ 295United Airlines
Find Deal
Tue, 9 Dec - Wed, 10 Dec
Logo
1:35 p.m. - 3:06 p.m.YTZ-IAD
1h 31mdirect
Logo
9:35 a.m. - 2:45 p.m.IAD-YTZ
5h 10m1 stop
C$ 296
Find Deal
Sat, 27 Sep - Sat, 4 Oct
Logo
1:35 p.m. - 3:06 p.m.YTZ-IAD
1h 31mdirect
Logo
9:45 a.m. - 2:45 p.m.IAD-YTZ
5h 00m1 stop
C$ 297
Find Deal
Thu, 4 Sep - Sun, 7 Sep
Air Transat Logo
9:00 a.m. - 10:29 a.m.YTZ-IAD
1h 29mdirect
Air Transat Logo
11:40 a.m. - 1:10 p.m.IAD-YTZ
1h 30mdirect
C$ 299Air Transat
Find Deal
Tue, 28 Oct - Sun, 2 Nov
Air Transat Logo
1:35 p.m. - 3:06 p.m.YTZ-IAD
1h 31mdirect
Air Transat Logo
11:35 a.m. - 1:08 p.m.IAD-YTZ
1h 33mdirect
C$ 300Air Transat
Find Deal
Tue, 9 Sep - Sun, 14 Sep
United Airlines Logo
10:05 a.m. - 11:45 a.m.YYZ-IAD
1h 40mdirect
United Airlines Logo
6:50 p.m. - 11:58 p.m.IAD-YYZ
5h 08m1 stop
C$ 337United Airlines
Find Deal
Fri, 10 Oct - Tue, 14 Oct

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 Sep
YTZ8:45 a.m.Toronto Island
1h 31m
IAD10:16 a.m.Washington, D.C. Dulles Intl
28 Sep
IAD4:20 p.m.Washington, D.C. Dulles Intl
1h 33m
YTZ5:53 p.m.Toronto Island
C$ 229
Find similar
Porter Airlines
8 Sep
YTZ8:45 a.m.Toronto Island
1h 31m
IAD10:16 a.m.Washington, D.C. Dulles Intl
11 Sep
IAD11:35 a.m.Washington, D.C. Dulles Intl
1h 33m
YTZ1:08 p.m.Toronto Island
C$ 257
Find similar
Porter Airlines
3 Sep
YTZ1:35 p.m.Toronto Island
1h 31m
IAD3:06 p.m.Washington, D.C. Dulles Intl
14 Sep
IAD11:35 a.m.Washington, D.C. Dulles Intl
1h 33m
YTZ1:08 p.m.Toronto Island
C$ 259
Find similar

Air Transat flights from Toronto to Washington, D.C. Dulles Intl Airport

Our best Air Transat deals on Toronto to Washington, D.C. Dulles Intl Airport flight tickets
Air Transat
28 Oct
YTZ9:00 a.m.Toronto Island
1h 29m
IAD10:29 a.m.Washington, D.C. Dulles Intl
2 Nov
IAD11:40 a.m.Washington, D.C. Dulles Intl
1h 30m
YTZ1:10 p.m.Toronto Island
C$ 299
Find similar
Air Transat
9 Sep
YTZ1:35 p.m.Toronto Island
1h 31m
IAD3:06 p.m.Washington, D.C. Dulles Intl
14 Sep
IAD11:35 a.m.Washington, D.C. Dulles Intl
1h 33m
YTZ1:08 p.m.Toronto Island
C$ 300
Find similar
Air Transat
21 Aug
YTZ8:45 a.m.Toronto Island
1h 31m
IAD10:16 a.m.Washington, D.C. Dulles Intl
26 Aug
IAD4:10 p.m.Washington, D.C. Dulles Intl
1h 33m
YTZ5:43 p.m.Toronto Island
C$ 307
Find similar

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 14 August 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

Sun 21/9

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

Nonstop1h 31m

Washington, D.C. Dulles Intl

Sun 28/9

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

Nonstop1h 33m

C$ 229

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Mon 8/9

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

Nonstop1h 31m

Washington, D.C. Dulles Intl

Thu 11/9

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

Nonstop1h 33m

C$ 257

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Fri 10/10

8:10 a.m.-9:38 a.m.

Nonstop1h 28m

Washington, D.C. Dulles Intl

Tue 14/10

2:25 p.m.-3:57 p.m.

Nonstop1h 32m

C$ 279

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Fri 12/9

12:10 p.m.-1:38 p.m.

Nonstop1h 28m

Washington, D.C. Dulles Intl

Sun 14/9

10:20 a.m.-11:52 a.m.

Nonstop1h 32m

C$ 282

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Tue 9/12

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

Nonstop1h 40m

Washington, D.C. Dulles Intl

Wed 10/12

8:20 a.m.-2:01 p.m.

1 stop5h 41m

C$ 295

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sat 27/9

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

Nonstop1h 31m

Washington, D.C. Dulles Intl

Sat 4/10

9:35 a.m.-2:45 p.m.

1 stop5h 10m

C$ 296

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 4/9

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

Nonstop1h 31m

Washington, D.C. Dulles Intl

Sun 7/9

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

1 stop5h 00m

C$ 297

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Tue 28/10

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

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 2/11

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

Nonstop1h 30m

C$ 299

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Tue 9/9

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

Nonstop1h 31m

Washington, D.C. Dulles Intl

Sun 14/9

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

Nonstop1h 33m

C$ 300

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Fri 10/10

10:05 a.m.-11:45 a.m.

Nonstop1h 40m

Washington, D.C. Dulles Intl

Tue 14/10

6:50 p.m.-11:58 p.m.

1 stop5h 08m

C$ 337

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$ 268, 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$ 286.

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$ 529. 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$ 873.

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$ 487. 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$ 752 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$ 391 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$ 346 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 August 2025, prices for Toronto to Washington, D.C. Dulles Intl Airport flights are approximately 10% cheaper 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$ 156

Fastest flight time

1h 27m

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$ 156. 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$ 229.
The fastest flight from Toronto to Washington, D.C. Dulles Intl Airport takes 1h 27m
Direct flights go from Toronto to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

  • 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 27m.

  • 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$ 204Free CancellationRating
7.7
427 reviews
Search Air Transat flights
Porter AirlinesPriceFrom C$ 212Free CancellationRating
8.0
332 reviews
Search Porter Airlines flights
Air CanadaPriceFrom C$ 263Free CancellationRating
7.1
9,949 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 276Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
WestJetPriceFrom C$ 429Free CancellationRating
7.2
3,013 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$ 219. Porter Airlines is rated 8.0/10 by our users.

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

    C$ 148 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 427 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
Alexandria
Herndon
Linthicum Heights
Bethesda
Silver Spring
Reston
Laurel
Fairfax
Chantilly
Capitol Heights
Winchester
Arlington
Gettysburg
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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 19/8
Tue 26/8
By creating a price alert you accept our terms of use and privacy policy.

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