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Cheap flights from Toronto to Washington, D.C. from $124

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 10/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Porter Airlines Logo
8:45 am - 10:16 amYTZ-IAD
1h 31mnonstop
Porter Airlines Logo
11:35 am - 1:08 pmIAD-YTZ
1h 33mnonstop
$185Porter Airlines
Find Deal
Fri, Oct 17 - Mon, Oct 20
Porter Airlines Logo
8:55 am - 10:24 amYTZ-IAD
1h 29mnonstop
Porter Airlines Logo
11:40 am - 1:10 pmIAD-YTZ
1h 30mnonstop
$189Porter Airlines
Find Deal
Tue, Oct 28 - Tue, Nov 4
Air Canada Logo
12:10 pm - 1:38 pmYYZ-IAD
1h 28mnonstop
Air Canada Logo
10:20 am - 11:52 amIAD-YYZ
1h 32mnonstop
$203Air Canada
Find Deal
Tue, Oct 7 - Wed, Oct 8
Air Canada Logo
3:30 pm - 8:59 pmYTZ-IAD
5h 29m1 stop
Air Canada Logo
9:45 am - 2:55 pmIAD-YTZ
5h 10m1 stop
$205Air Canada
Find Deal
Tue, Oct 28 - Tue, Nov 4
United Airlines Logo
2:45 pm - 4:27 pmYYZ-IAD
1h 42mnonstop
United Airlines Logo
10:11 pm - 11:46 pmIAD-YYZ
1h 35mnonstop
$217United Airlines
Find Deal
Wed, Oct 29 - Mon, Nov 3
Logo
12:45 pm - 2:25 pmYYZ-IAD
1h 40mnonstop
Logo
9:45 am - 2:44 pmIAD-YYZ
4h 59m1 stop
$223
Find Deal
Fri, Oct 24 - Sun, Oct 26
United Airlines Logo
2:30 pm - 4:10 pmYYZ-IAD
1h 40mnonstop
United Airlines Logo
10:10 pm - 9:58 amIAD-YYZ
11h 48m1 stop
$225United Airlines
Find Deal
Sat, Oct 4 - Sat, Oct 11
Lufthansa Logo
7:47 pm - 9:25 pmYYZ-IAD
1h 38mnonstop
Lufthansa Logo
3:36 pm - 5:14 pmIAD-YYZ
1h 38mnonstop
$232Lufthansa
Find Deal
Sat, Oct 4 - Sun, Oct 5
Lufthansa Logo
3:00 pm - 9:24 pmYYZ-IAD
6h 24m1 stop
Lufthansa Logo
8:28 am - 10:04 amIAD-YYZ
1h 36mnonstop
$238Lufthansa
Find Deal
Sat, Oct 4 - Sun, Oct 5
Logo
8:45 am - 10:16 amYTZ-IAD
1h 31mnonstop
Logo
11:40 am - 1:10 pmIAD-YTZ
1h 30mnonstop
$242
Find Deal
Thu, Oct 23 - Thu, Oct 30

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
Oct 17
YTZ8:45 amToronto Island
1h 31m
IAD10:16 amWashington, D.C. Dulles Intl
Oct 20
IAD11:35 amWashington, D.C. Dulles Intl
1h 33m
YTZ1:08 pmToronto Island
$185
Find similar
Porter Airlines
Oct 28
YTZ8:55 amToronto Island
1h 29m
IAD10:24 amWashington, D.C. Dulles Intl
Nov 4
IAD11:40 amWashington, D.C. Dulles Intl
1h 30m
YTZ1:10 pmToronto Island
$189
Find similar
Porter Airlines
Oct 16
YTZ8:45 amToronto Island
1h 31m
IAD10:16 amWashington, D.C. Dulles Intl
Oct 19
IAD11:35 amWashington, D.C. Dulles Intl
1h 33m
YTZ1:08 pmToronto Island
$190
Find similar

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

Our best Delta deals on Toronto to Washington, D.C. Dulles Intl Airport flight tickets
Delta
Sep 29
YYZ4:12 pmToronto Pearson Intl
6h 54m
1 stop
IAD11:06 pmWashington, D.C. Dulles Intl
Oct 1
IAD6:00 amWashington, D.C. Dulles Intl
5h 20m
1 stop
YYZ11:20 amToronto Pearson Intl
$267
Find similar
Delta
Oct 9
YYZ3:35 pmToronto Pearson Intl
7h 25m
1 stop
IAD11:00 pmWashington, D.C. Dulles Intl
Oct 12
IAD6:05 amWashington, D.C. Dulles Intl
8h 40m
1 stop
YYZ2:45 pmToronto Pearson Intl
$274
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 832,500 searches. Data last updated September 15, 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 10/17

8:45 am-10:16 am

Nonstop1h 31m

Washington, D.C. Dulles Intl

Mon 10/20

11:35 am-1:08 pm

Nonstop1h 33m

$185

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Tue 10/28

8:55 am-10:24 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

Tue 11/4

11:40 am-1:10 pm

Nonstop1h 30m

$189

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Tue 10/7

12:10 pm-1:38 pm

Nonstop1h 28m

Washington, D.C. Dulles Intl

Wed 10/8

10:20 am-11:52 am

Nonstop1h 32m

$203

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Tue 10/28

3:30 pm-8:59 pm

1 stop5h 29m

Washington, D.C. Dulles Intl

Tue 11/4

9:45 am-2:55 pm

1 stop5h 10m

$205

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Wed 10/29

2:45 pm-4:27 pm

Nonstop1h 42m

Washington, D.C. Dulles Intl

Mon 11/3

10:11 pm-11:46 pm

Nonstop1h 35m

$217

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Fri 10/24

12:45 pm-2:25 pm

Nonstop1h 40m

Washington, D.C. Dulles Intl

Sun 10/26

9:45 am-2:44 pm

1 stop4h 59m

$223

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Sat 10/4

2:30 pm-4:10 pm

Nonstop1h 40m

Washington, D.C. Dulles Intl

Sat 10/11

10:10 pm-9:58 am

1 stop11h 48m

$225

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Sat 10/4

7:47 pm-9:25 pm

Nonstop1h 38m

Washington, D.C. Dulles Intl

Sun 10/5

3:36 pm-5:14 pm

Nonstop1h 38m

$232

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Sat 10/4

3:00 pm-9:24 pm

1 stop6h 24m

Washington, D.C. Dulles Intl

Sun 10/5

8:28 am-10:04 am

Nonstop1h 36m

$238

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 10/23

8:45 am-10:16 am

Nonstop1h 31m

Washington, D.C. Dulles Intl

Thu 10/30

11:40 am-1:10 pm

Nonstop1h 30m

$242

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

In general, July is the cheapest month to fly from Toronto to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $195. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of July, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $208.

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

Our data shows that Wednesday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $290. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Toronto to Washington, D.C. Dulles Intl Airport for around $428.

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

Flying to Washington, D.C. Dulles Intl Airport from Toronto in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $277 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $420 on average. Flights to Washington, D.C. Dulles Intl Airport from Toronto in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $285 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 $256 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?

You could potentially save up to 11% on your flight if you consider stops on a Toronto to Washington, D.C. Dulles Intl Airport flight.

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

As of September 2025, prices for Toronto to Washington, D.C. Dulles Intl Airport flights are approximately 13% 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

$128

Fastest flight time

1h 28m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Toronto in the past 72 hours is $128. The best round-trip flight deal from Toronto to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $191.
The fastest flight from Toronto to Washington, D.C. Dulles Intl Airport takes 1h 28m
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?

    Toronto and Washington, D.C. Dulles Intl are 339.8 mi apart from one another. 1h 28m is a normal flight duration for this route.

  • 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 required travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. We recommend that you seek guidance from your airline or a reliable 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 CanadaPriceFrom $171Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
Porter AirlinesPriceFrom $174Free CancellationRating
7.9
363 reviews
Search Porter Airlines flights
United AirlinesPriceFrom $184Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights

  • Porter Airlines Flights From Toronto to Washington, D.C. Dulles Intl Airport

    Porter Airlines flies from Toronto to Washington, D.C. Dulles Intl Airport around 11 times per week, with 363 momondo users rating the airline 7.9/10. The cheapest Porter Airlines deal from Toronto to Washington, D.C. Dulles Intl Airport in the last 72 hours was $174 (round-trip), much lower than the average airfare cost of $285 for Porter Airlines flights on this route.

  • United Airlines Flights From Toronto to Washington, D.C. Dulles Intl Airport

    Across 8,929 United Airlines reviews on momondo, the average score is 7.4/10. United Airlines flies from Toronto to Washington, D.C. Dulles Intl Airport about 40 times each week, with ticket deals ranging from $184 to $309. Price data is based on momondo searches in the last 72 hours.

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
National Harbor
Arlington
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Manassas
Reston
Fairfax
Glen Burnie
Gaithersburg

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Toronto to Washington, D.C. for you.

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

All flight searches from Toronto to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Toronto to Washington, D.C..

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

Of course. momondo tracks the price of Toronto to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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