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Flights to Washington, D.C. Dulles Intl

C$ 143 Cheap flights to Washington, D.C. Dulles Intl Airport

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Washington, D.C. Dulles Intl Airport departing on 31/10. 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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Find the cheapest flights from Canada to Washington, D.C. Dulles Intl Airport

Cheap round-trip flights

Enter your travel dates to find the best prices.
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$ 280Porter Airlines
Find Deal
Fri, 14 Nov - Sun, 16 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
Tue, 18 Nov - Fri, 21 Nov
United Airlines Logo
3:49 p.m. - 1:51 p.m.YYC-IAD
20h 02m2 stops
United Airlines Logo
10:10 p.m. - 12:26 p.m.IAD-YYC
16h 16m1 stop
C$ 303United Airlines
Find Deal
Fri, 24 Oct - Mon, 27 Oct
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$ 303United Airlines
Find Deal
Sat, 8 Nov - Tue, 11 Nov
Air Canada Logo
2:15 p.m. - 3:46 p.m.YYZ-IAD
1h 31mdirect
Air Canada Logo
9:00 a.m. - 10:29 a.m.IAD-YYZ
1h 29mdirect
C$ 307Air Canada
Find Deal
Fri, 12 Dec - Sun, 14 Dec
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
Air Transat Logo
11:00 a.m. - 12:29 p.m.YTZ-IAD
1h 29mdirect
Air Transat Logo
1:45 p.m. - 3:15 p.m.IAD-YTZ
1h 30mdirect
C$ 336Air Transat
Find Deal
Sat, 15 Nov - Sat, 22 Nov
Air Transat Logo
8:55 a.m. - 10:24 a.m.YTZ-IAD
1h 29mdirect
Air Transat Logo
11:40 a.m. - 1:10 p.m.IAD-YTZ
1h 30mdirect
C$ 362Air Transat
Find Deal
Tue, 28 Oct - Sun, 2 Nov
WestJet Logo
6:45 a.m. - 11:03 p.m.YUL-IAD
16h 18m2 stops
WestJet Logo
6:00 a.m. - 11:40 a.m.IAD-YUL
5h 40m1 stop
C$ 450WestJet
Find Deal
Sun, 9 Nov - Sun, 16 Nov
WestJet Logo
2:40 p.m. - 9:49 a.m.YWG-IAD
18h 09m2 stops
WestJet Logo
6:00 a.m. - 3:07 p.m.IAD-YWG
10h 07m1 stop
C$ 633WestJet
Find Deal
Wed, 24 Dec - Sun, 28 Dec

momondo Fare Finder

 
Locate flights to Washington, D.C. Dulles Intl that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 96,600 searches and data was last updated on 14 October 2025.
Use the filters below to find and compare flights to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Route

Depart

Return

Price

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$ 280

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Tue 18/11

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

Nonstop1h 29m

Washington, D.C. Dulles Intl

Fri 21/11

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

Nonstop1h 30m

C$ 287

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Fri 24/10

3:49 p.m.-1:51 p.m.

2 stops20h 02m

Washington, D.C. Dulles Intl

Mon 27/10

10:10 p.m.-12:26 p.m.

1 stop16h 16m

C$ 303

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$ 303

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Fri 12/12

2:15 p.m.-3:46 p.m.

Nonstop1h 31m

Washington, D.C. Dulles Intl

Sun 14/12

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

Nonstop1h 29m

C$ 307

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.

YTZ - IAD

YTZIAD

Toronto Island

Sat 15/11

11:00 a.m.-12:29 p.m.

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sat 22/11

1:45 p.m.-3:15 p.m.

Nonstop1h 30m

C$ 336

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Tue 28/10

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

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 2/11

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

Nonstop1h 30m

C$ 362

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Sun 9/11

6:45 a.m.-11:03 p.m.

2 stops16h 18m

Washington, D.C. Dulles Intl

Sun 16/11

6:00 a.m.-11:40 a.m.

1 stop5h 40m

C$ 450

WinnipegWashington, D.C.

YWG - IAD

YWGIAD

Winnipeg

Wed 24/12

2:40 p.m.-9:49 a.m.

2 stops18h 09m

Washington, D.C. Dulles Intl

Sun 28/12

6:00 a.m.-3:07 p.m.

1 stop10h 07m

C$ 633

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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Flights to Washington, D.C. Dulles Intl Airport - Travel Insights & Trends

Get data-powered insights and trends for flights to Washington, D.C. Dulles Intl Airport to help you craft the best travel plan.

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

There are 4 cabin classes available to choose from on Canada 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.

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 Canada. The lowest ticket price found for a Friday departure recently was C$ 532. 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$ 893.

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 Canada 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 Canada, when ticket prices are also cheap, with an average price of C$ 291.

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 Canada to Washington, D.C. Dulles Intl Airport during this time can be as low as C$ 429. 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$ 771 per ticket.

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

Fly from Toronto Island to Washington, D.C. Dulles Intl for the best Canada - 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 Canada 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 Canada for as low as C$ 353 on momondo.

Cheapest flights to Washington, D.C. Dulles Intl

Find the cheapest flights to Washington, D.C. Dulles Intl from your nearest city or airport
Find Flights from Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport
CHEAPEST MONTH TO FLY TO WASHINGTON, D.C. DULLES INTL AIRPORT FROM TORONTO PEARSON INTL AIRPORTJanuary17% cheaperFlying from Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport costs on average just C$ 336 in January
MOST EXPENSIVE MONTH TO FLY TO WASHINGTON, D.C. DULLES INTL AIRPORT FROM TORONTO PEARSON INTL AIRPORTOctober31% more expensiveIt costs about C$ 531 for flights to Washington, D.C. Dulles Intl Airport from Toronto Pearson Intl Airport in October
MOST POPULAR MONTH TO FLY TO WASHINGTON, D.C. DULLES INTL AIRPORT FROM TORONTO PEARSON INTL AIRPORTDecember276% more users visitedMore momondo users searched in flights to Washington, D.C. Dulles Intl Airport from Toronto Pearson Intl Airport in December than any other month

Cheap Washington, D.C. Dulles Intl Airport flight deals and tips

Summary info about Washington, D.C. Dulles Intl Airport flight prices, duration and airlines

Best One-Way Price

C$ 143

Best Round-Trip Price

C$ 280

Fastest flight time

1h 29m

Popular in

June
The best one-way flight price to Washington, D.C. from Canada in the last 72 hours is C$ 143 (Vancouver Intl to Washington, D.C. Dulles Intl).
Search Deals
The best round-trip flight price to Washington, D.C. from Canada in the last 72 hours is C$ 280 (Toronto Island to Washington, D.C. Dulles Intl).
Search Deals
The fastest flight to Washington, D.C. from Canada takes 1h 29m (Toronto Island to Washington, D.C. Dulles Intl).
Search Deals
June has the highest demand for flights to Washington, D.C., with a 1% price increase on average.
Search Deals

Frequently asked questions about flying to Washington, D.C. Dulles Intl Airport

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

Most travellers find the cheapest round-trip flights to Washington, D.C. Dulles Intl Airport when choosing a flight departing in July.

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

From most locations, to find the best deals on airfare, our data shows that users booking 35 days before flying found the cheapest flight to Washington, D.C. Dulles Intl Airport.

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

From most locations, the cheapest day to fly to Washington, D.C. Dulles Intl Airport is Friday. Most users found that departing on a Monday was most expensive.

What is the cheapest time of day to fly to Washington, D.C. Dulles Intl Airport?

Our data shows that the cheapest Washington, D.C. Dulles Intl Airport flights are usually those with Afternoon departure times. Evening flights are often costlier.

Is there an alternative airport near Washington, D.C. Dulles Intl Airport?

Washington, D.C. Reagan-National Airport or Baltimore/Washington Airport can be an alternative airport used for travel to Washington, D.C..

Is there a cheaper alternative to flying into Washington, D.C.?

With an average price of C$ 388 per person, Baltimore/Washington Airport is the cheapest airport to fly into when planning your trip to Washington, D.C.. This price can fluctuate based on where you are flying from. momondo’s Airport-to-Airport Pricing Tool can help users find the best prices.

What is the absolute cheapest flight to Washington, D.C.?

C$ 83 is the cheapest deal found on momondo in the last two weeks for a flight to Washington, D.C.. This flight is from Atlanta and is 82% cheaper than most flights to Washington, D.C.. To find the cheapest price to Washington, D.C. from your area, use momondo’s Airport-to-Airport Pricing Tool.

Which airlines fly to Washington, D.C. Dulles Intl Airport?

There are 7 airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, but Air Canada, Porter Airlines and United Airlines happen to be the most popular among our users. In the past year, 48% of those who searched for flights to Washington, D.C. Dulles Intl Airport looked to travel with Air Canada, making this airline the top choice among momondo travellers.

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

Prices for flights to Washington, D.C. Dulles Intl Airport refresh daily.

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

There are 15 operators available for flights to Washington, D.C. Dulles Intl Airport as of October 2025.

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

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

The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Gettysburg
Alexandria
Fairfax
Linthicum Heights
Silver Spring
Bethesda
Herndon
Reston
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 to Washington, D.C.?

It is quick and easy to find flights to Washington, D.C. on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

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

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

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

momondo helps you find the best flight to Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select fights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert; this is where momondo will track prices on flights to Washington, D.C. and let you know when they change.

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Find better results for your trip to Washington, D.C. Dulles Intl Airport IAD

Popular Flights to Washington, D.C. Dulles Intl Airport

Popular routes according to searches in the past day on momondo
Flights from Toronto Pearson Intl to IADfrom C$ 238
Flights from Montreal Pierre Elliott Trudeau Intl to IADfrom C$ 316
Flights from Ottawa to IADfrom C$ 276
Flights from Toronto Island to IADfrom C$ 169
Flights from Vancouver Intl to IADfrom C$ 366