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Flights to Washington, D.C. Dulles Intl

C$ 178 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 21/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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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
9:15 a.m. - 10:45 a.m.YTZ  Toronto Island-IAD Washington, D.C. Dulles Intl
1h 30mdirect
Porter Airlines Logo
3:50 p.m. - 5:20 p.m.IAD  Washington, D.C. Dulles Intl-YTZ Toronto Island
1h 30mdirect
C$ 266Porter Airlines
Sun, 30 Aug - Sun, 13 Sep
Porter Airlines Logo
9:15 a.m. - 10:45 a.m.YTZ  Toronto Island-IAD Washington, D.C. Dulles Intl
1h 30mdirect
Porter Airlines Logo
3:50 p.m. - 5:20 p.m.IAD  Washington, D.C. Dulles Intl-YTZ Toronto Island
1h 30mdirect
C$ 268Porter Airlines
Tue, 1 Sep - Sun, 20 Sep
Air Canada Logo
9:30 a.m. - 3:00 p.m.YTZ  Toronto Island-IAD Washington, D.C. Dulles Intl
5h 30m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
3:45 p.m. - 9:30 p.m.IAD  Washington, D.C. Dulles Intl-YTZ Toronto Island
5h 45m1 stop Montreal Pierre Elliott Trudeau Intl
C$ 268Air Canada
Fri, 11 Sep - Mon, 28 Sep
Air Canada Logo
3:15 p.m. - 4:38 p.m.YTZ  Toronto Island-IAD Washington, D.C. Dulles Intl
1h 23mdirect
Air Canada Logo
5:20 p.m. - 6:51 p.m.IAD  Washington, D.C. Dulles Intl-YTZ Toronto Island
1h 31mdirect
C$ 269Air Canada
Sat, 26 Sep - Wed, 30 Sep
Multiple Airlines Logo
9:15 a.m. - 10:45 a.m.YTZ  Toronto Island-IAD Washington, D.C. Dulles Intl
1h 30mdirect
Multiple Airlines Logo
3:45 p.m. - 9:30 p.m.IAD  Washington, D.C. Dulles Intl-YTZ Toronto Island
5h 45m1 stop Montreal Pierre Elliott Trudeau Intl
C$ 282Multiple Airlines
Mon, 28 Sep - Mon, 5 Oct
Multiple Airlines Logo
10:45 a.m. - 2:55 p.m.YTZ  Toronto Island-IAD Washington, D.C. Dulles Intl
4h 10m1 stop Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
12:05 p.m. - 1:35 p.m.IAD  Washington, D.C. Dulles Intl-YTZ Toronto Island
1h 30mdirect
C$ 283Multiple Airlines
Thu, 3 Sep - Sun, 6 Sep
United Airlines Logo
2:30 p.m. - 4:07 p.m.YYZ  Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl
1h 37mdirect
United Airlines Logo
10:19 p.m. - 11:54 p.m.IAD  Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl
1h 35mdirect
C$ 284United Airlines
Fri, 11 Sep - Mon, 14 Sep
United Airlines Logo
2:30 p.m. - 4:07 p.m.YYZ  Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl
1h 37mdirect
United Airlines Logo
5:17 p.m. - 7:02 p.m.IAD  Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl
1h 45mdirect
C$ 284United Airlines
Thu, 17 Sep - Sun, 20 Sep
Air Transat Logo
1:40 p.m. - 3:10 p.m.YTZ  Toronto Island-IAD Washington, D.C. Dulles Intl
1h 30mdirect
Air Transat Logo
3:50 p.m. - 5:20 p.m.IAD  Washington, D.C. Dulles Intl-YTZ Toronto Island
1h 30mdirect
C$ 293Air Transat
Mon, 31 Aug - Thu, 1 Oct
Air Transat Logo
9:15 a.m. - 10:45 a.m.YTZ  Toronto Island-IAD Washington, D.C. Dulles Intl
1h 30mdirect
Air Transat Logo
11:25 a.m. - 12:55 p.m.IAD  Washington, D.C. Dulles Intl-YTZ Toronto Island
1h 30mdirect
C$ 297Air Transat
Thu, 27 Aug - Sun, 30 Aug

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 17 August 2026.
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

Cheapest round-trip

TorontoWashington, D.C.

YTZ Toronto Island - IAD Washington, D.C. Dulles Intl

YTZIAD

Toronto Island

Sun 30/8

9:15 a.m.-10:45 a.m.

Nonstop1h 30m

Washington, D.C. Dulles Intl

Sun 13/9

3:50 p.m.-5:20 p.m.

Nonstop1h 30m

C$ 266

TorontoWashington, D.C.

YTZ Toronto Island - IAD Washington, D.C. Dulles Intl

YTZIAD

Toronto Island

Tue 1/9

9:15 a.m.-10:45 a.m.

Nonstop1h 30m

Washington, D.C. Dulles Intl

Sun 20/9

3:50 p.m.-5:20 p.m.

Nonstop1h 30m

C$ 268

TorontoWashington, D.C.

YTZ Toronto Island - IAD Washington, D.C. Dulles Intl

YTZIAD

Toronto Island

Fri 11/9

9:30 a.m.-3:00 p.m.

1 stop5h 30m

Washington, D.C. Dulles Intl

Mon 28/9

3:45 p.m.-9:30 p.m.

1 stop5h 45m

C$ 268
Quickest round-trip

TorontoWashington, D.C.

YTZ Toronto Island - IAD Washington, D.C. Dulles Intl

YTZIAD

Toronto Island

Sat 26/9

3:15 p.m.-4:38 p.m.

Nonstop1h 23m

Washington, D.C. Dulles Intl

Wed 30/9

5:20 p.m.-6:51 p.m.

Nonstop1h 31m

C$ 269

TorontoWashington, D.C.

YTZ Toronto Island - IAD Washington, D.C. Dulles Intl

YTZIAD

Toronto Island

Mon 28/9

9:15 a.m.-10:45 a.m.

Nonstop1h 30m

Washington, D.C. Dulles Intl

Mon 5/10

3:45 p.m.-9:30 p.m.

1 stop5h 45m

C$ 282

TorontoWashington, D.C.

YTZ Toronto Island - IAD Washington, D.C. Dulles Intl

YTZIAD

Toronto Island

Thu 3/9

10:45 a.m.-2:55 p.m.

1 stop4h 10m

Washington, D.C. Dulles Intl

Sun 6/9

12:05 p.m.-1:35 p.m.

Nonstop1h 30m

C$ 283

TorontoWashington, D.C.

YYZ Toronto Pearson Intl - IAD Washington, D.C. Dulles Intl

YYZIAD

Toronto Pearson Intl

Fri 11/9

2:30 p.m.-4:07 p.m.

Nonstop1h 37m

Washington, D.C. Dulles Intl

Mon 14/9

10:19 p.m.-11:54 p.m.

Nonstop1h 35m

C$ 284

TorontoWashington, D.C.

YYZ Toronto Pearson Intl - IAD Washington, D.C. Dulles Intl

YYZIAD

Toronto Pearson Intl

Thu 17/9

2:30 p.m.-4:07 p.m.

Nonstop1h 37m

Washington, D.C. Dulles Intl

Sun 20/9

5:17 p.m.-7:02 p.m.

Nonstop1h 45m

C$ 284

TorontoWashington, D.C.

YTZ Toronto Island - IAD Washington, D.C. Dulles Intl

YTZIAD

Toronto Island

Mon 31/8

1:40 p.m.-3:10 p.m.

Nonstop1h 30m

Washington, D.C. Dulles Intl

Thu 1/10

3:50 p.m.-5:20 p.m.

Nonstop1h 30m

C$ 293

TorontoWashington, D.C.

YTZ Toronto Island - IAD Washington, D.C. Dulles Intl

YTZIAD

Toronto Island

Thu 27/8

9:15 a.m.-10:45 a.m.

Nonstop1h 30m

Washington, D.C. Dulles Intl

Sun 30/8

11:25 a.m.-12:55 p.m.

Nonstop1h 30m

C$ 297

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. Dulles Intl Airport from

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 Airport flights?

There are 4 cabin classes available to choose from on Canada to Washington, D.C. Dulles Intl Airport 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$ 580. 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 Sunday as prices are generally higher than usual. According to our data, the average ticket price to Washington, D.C. Dulles Intl Airport on Sunday is C$ 968.

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 February. Flight prices, which tend to average around C$ 409, 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 February, then you should wait until January to fly from Canada, when ticket prices are also cheap, with an average price of C$ 412.

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$ 525. 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$ 839 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$ 430 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$ 397 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 AIRPORTFebruary17% cheaperFlying from Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport costs on average just C$ 358 in February
MOST EXPENSIVE MONTH TO FLY TO WASHINGTON, D.C. DULLES INTL AIRPORT FROM TORONTO PEARSON INTL AIRPORTJuly18% more expensiveIt costs about C$ 510 for flights to Washington, D.C. Dulles Intl Airport from Toronto Pearson Intl Airport in July
MOST POPULAR MONTH TO FLY TO WASHINGTON, D.C. DULLES INTL AIRPORT FROM TORONTO PEARSON INTL AIRPORTDecember305% 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$ 178

Best Round-Trip Price

C$ 266

Fastest flight time

1h 37m

Popular in

March
The best one-way flight price to Washington, D.C. from Canada in the last 5 days is C$ 178 (Toronto Island to Washington, D.C. Dulles Intl).
Search Deals
The best round-trip flight price to Washington, D.C. from Canada in the last 5 days is C$ 266 (Toronto Island to Washington, D.C. Dulles Intl).
Search Deals
The fastest flight to Washington, D.C. from Canada takes 1h 37m (Toronto Pearson Intl to Washington, D.C. Dulles Intl).
Search Deals
March has the highest demand for flights to Washington, D.C., with a 11% 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 August.

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 Sunday 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$ 422 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$ 164 is the cheapest deal found on momondo in the last two weeks for a flight to Washington, D.C.. This flight is from Detroit and is 66% 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 6 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, 43% 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 8 operators available for flights to Washington, D.C. Dulles Intl Airport as of August 2026.

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
Sterling
Alexandria
Gettysburg
Gaithersburg
Chantilly
Arlington
Fairfax
National Harbor
Fredericksburg
Ashburn
Woodbridge
Herndon
Silver Spring
Leesburg
Falls Church
Easton
Rockville
McLean
Tysons

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$ 232
Flights from Ottawa to IADfrom C$ 284
Flights from Toronto Island to IADfrom C$ 167
Flights from Montreal Pierre Elliott Trudeau Intl to IADfrom C$ 306
Flights from Vancouver Intl to IADfrom C$ 477