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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 3/16. 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

Enter your travel dates to find the best prices.
Air Canada Logo
5:30 pm - 9:18 pm
YYZ
-
IAD
3h 48m
1 stop
Air Canada Logo
12:40 pm - 5:28 pm
IAD
-
YYZ
4h 48m
1 stop
$198Air Canada
Sat, Apr 11 - Mon, Apr 13
Porter Airlines Logo
8:50 am - 10:22 am
YTZ
-
IAD
1h 32mnonstop
Porter Airlines Logo
11:40 am - 1:10 pm
IAD
-
YTZ
1h 30mnonstop
$203Porter Airlines
Thu, Feb 26 - Mon, Mar 2
Porter Airlines Logo
8:50 am - 10:22 am
YTZ
-
IAD
1h 32mnonstop
Porter Airlines Logo
11:40 am - 1:10 pm
IAD
-
YTZ
1h 30mnonstop
$204Porter Airlines
Thu, Feb 26 - Mon, Mar 2
Porter Airlines Logo
8:50 am - 10:22 am
YTZ
-
IAD
1h 32mnonstop
Porter Airlines Logo
11:40 am - 1:10 pm
IAD
-
YTZ
1h 30mnonstop
$208Porter Airlines
Thu, Feb 26 - Mon, Mar 2
Porter Airlines Logo
3:45 pm - 5:14 pm
YTZ
-
IAD
1h 29mnonstop
Porter Airlines Logo
1:50 pm - 3:20 pm
IAD
-
YTZ
1h 30mnonstop
$209Porter Airlines
Sun, Feb 22 - Sat, Feb 28
Porter Airlines Logo
8:55 am - 10:24 am
YTZ
-
IAD
1h 29mnonstop
Porter Airlines Logo
11:40 am - 1:10 pm
IAD
-
YTZ
1h 30mnonstop
$210Porter Airlines
Thu, Mar 5 - Thu, Mar 12
Porter Airlines Logo
8:50 am - 10:22 am
YTZ
-
IAD
1h 32mnonstop
Porter Airlines Logo
11:40 am - 1:10 pm
IAD
-
YTZ
1h 30mnonstop
$211Porter Airlines
Thu, Feb 26 - Mon, Mar 2
Air Canada Logo
7:10 am - 11:50 am
YYZ
-
IAD
4h 40m
1 stop
Air Canada Logo
8:15 am - 1:07 pm
IAD
-
YYZ
4h 52m
1 stop
$212Air Canada
Fri, Apr 10 - Tue, Apr 14
Porter Airlines Logo
8:55 am - 10:24 am
YTZ
-
IAD
1h 29mnonstop
Porter Airlines Logo
11:40 am - 1:10 pm
IAD
-
YTZ
1h 30mnonstop
$212Porter Airlines
Wed, Mar 18 - Wed, Mar 25
Porter Airlines Logo
8:55 am - 10:24 am
YTZ
-
IAD
1h 29mnonstop
Porter Airlines Logo
11:40 am - 1:10 pm
IAD
-
YTZ
1h 30mnonstop
$213Porter Airlines
Thu, Mar 5 - Thu, Mar 26

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
Mar 18
YTZ8:55 amToronto Island
1h 29m
IAD10:24 amWashington, D.C. Dulles Intl
Mar 25
IAD11:40 amWashington, D.C. Dulles Intl
1h 30m
YTZ1:10 pmToronto Island
$246
Air Transat
Mar 6
YTZ3:45 pmToronto Island
1h 29m
IAD5:14 pmWashington, D.C. Dulles Intl
Mar 29
IAD6:30 pmWashington, D.C. Dulles Intl
1h 30m
YTZ8:00 pmToronto Island
$251
Air Transat
Feb 19
YTZ8:50 amToronto Island
1h 32m
IAD10:22 amWashington, D.C. Dulles Intl
Feb 26
IAD11:40 amWashington, D.C. Dulles Intl
1h 30m
YTZ1:10 pmToronto Island
$253

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
Mar 30
YYZ7:43 pmToronto Pearson Intl
1h 42m
IAD9:25 pmWashington, D.C. Dulles Intl
Mar 31
IAD8:23 amWashington, D.C. Dulles Intl
5h 24m
1 stop
YYZ1:47 pmToronto Pearson Intl
$280
United Airlines
Apr 20
YYZ12:00 pmToronto Pearson Intl
9h 25m
1 stop
IAD9:25 pmWashington, D.C. Dulles Intl
Apr 21
IAD8:20 amWashington, D.C. Dulles Intl
1h 44m
YYZ10:04 amToronto Pearson Intl
$281
United Airlines
Feb 17
YYZ7:40 pmToronto Pearson Intl
1h 41m
IAD9:21 pmWashington, D.C. Dulles Intl
Mar 8
IAD10:09 pmWashington, D.C. Dulles Intl
1h 37m
YYZ11:46 pmToronto Pearson Intl
$282

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 February 4, 2026.
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.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Sat 4/11

5:30 pm-9:18 pm

1 stop3h 48m

Washington, D.C. Dulles Intl

Mon 4/13

12:40 pm-5:28 pm

1 stop4h 48m

$198

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 2/26

8:50 am-10:22 am

Nonstop1h 32m

Washington, D.C. Dulles Intl

Mon 3/2

11:40 am-1:10 pm

Nonstop1h 30m

$203

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 2/26

8:50 am-10:22 am

Nonstop1h 32m

Washington, D.C. Dulles Intl

Mon 3/2

11:40 am-1:10 pm

Nonstop1h 30m

$204

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 2/26

8:50 am-10:22 am

Nonstop1h 32m

Washington, D.C. Dulles Intl

Mon 3/2

11:40 am-1:10 pm

Nonstop1h 30m

$208

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sun 2/22

3:45 pm-5:14 pm

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sat 2/28

1:50 pm-3:20 pm

Nonstop1h 30m

$209

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 3/5

8:55 am-10:24 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

Thu 3/12

11:40 am-1:10 pm

Nonstop1h 30m

$210

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 2/26

8:50 am-10:22 am

Nonstop1h 32m

Washington, D.C. Dulles Intl

Mon 3/2

11:40 am-1:10 pm

Nonstop1h 30m

$211

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Fri 4/10

7:10 am-11:50 am

1 stop4h 40m

Washington, D.C. Dulles Intl

Tue 4/14

8:15 am-1:07 pm

1 stop4h 52m

$212

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Wed 3/18

8:55 am-10:24 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

Wed 3/25

11:40 am-1:10 pm

Nonstop1h 30m

$212

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 3/5

8:55 am-10:24 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

Thu 3/26

11:40 am-1:10 pm

Nonstop1h 30m

$213

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 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 Friday 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 $301. When flying out on a Sunday, 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 $484.

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 $276 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 $438 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 $291 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 $237 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 February 2026, 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

$125

Fastest flight time

1h 25m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Toronto in the past 72 hours is $125. The best round-trip flight deal from Toronto to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $128.
The fastest flight from Toronto to Washington, D.C. Dulles Intl Airport takes 1h 25m
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 25m 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
United AirlinesPriceFrom $146Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights
Air CanadaPriceFrom $171Free CancellationRating
7.1
10,684 reviews
Search Air Canada flights
Porter AirlinesPriceFrom $174Free CancellationRating
7.9
412 reviews
Search Porter 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 4 times per week, with 412 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 $260 for Porter Airlines flights on this route.

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

    Across 9,236 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 35 times each week, with ticket deals ranging from $146 to $283. 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
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Tysons
Laurel
Colonial Beach
Silver Spring
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Sterling
Fairfax
Linthicum Heights

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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