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Flights to Washington, D.C. Dulles Intl

C$ 138 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 13/10. 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

WestJet Logo
11:30 a.m. - 5:50 p.m.YYC-IAD
4h 20mdirect
WestJet Logo
6:45 p.m. - 9:39 p.m.IAD-YYC
4h 54mdirect
C$ 190WestJet
Find Deal
Mon, 8 Sep - Mon, 15 Sep
WestJet Logo
11:30 a.m. - 5:50 p.m.YYC-IAD
4h 20mdirect
WestJet Logo
6:45 p.m. - 9:39 p.m.IAD-YYC
4h 54mdirect
C$ 194WestJet
Find Deal
Mon, 8 Sep - Mon, 15 Sep
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$ 258Porter Airlines
Find Deal
Mon, 8 Sep - Thu, 11 Sep
Air Canada Logo
5:30 p.m. - 9:05 p.m.YHZ-IAD
4h 35m1 stop
Air Canada Logo
9:35 a.m. - 4:10 p.m.IAD-YHZ
5h 35m1 stop
C$ 262Air Canada
Find Deal
Thu, 4 Sep - Tue, 9 Sep
Air Canada Logo
5:25 a.m. - 9:38 a.m.YHZ-IAD
5h 13m1 stop
Air Canada Logo
9:35 a.m. - 4:10 p.m.IAD-YHZ
5h 35m1 stop
C$ 269Air Canada
Find Deal
Thu, 18 Sep - Tue, 30 Sep
United Airlines Logo
3:49 p.m. - 7:00 a.m.YYC-IAD
13h 11m1 stop
United Airlines Logo
3:55 p.m. - 10:53 p.m.IAD-YYC
8h 58m1 stop
C$ 289United Airlines
Find Deal
Wed, 17 Sep - Tue, 23 Sep
United Airlines Logo
5:25 a.m. - 9:38 a.m.YHZ-IAD
5h 13m1 stop
United Airlines Logo
8:30 a.m. - 3:49 p.m.IAD-YHZ
6h 19m1 stop
C$ 295United Airlines
Find Deal
Thu, 18 Sep - Mon, 29 Sep
Air Transat Logo
4:05 p.m. - 5:34 p.m.YTZ-IAD
1h 29mdirect
Air Transat Logo
6:35 p.m. - 8:05 p.m.IAD-YTZ
1h 30mdirect
C$ 295Air Transat
Find Deal
Thu, 6 Nov - Tue, 11 Nov
Air Transat Logo
1:25 p.m. - 2:56 p.m.YTZ-IAD
1h 31mdirect
Air Transat Logo
4:20 p.m. - 5:53 p.m.IAD-YTZ
1h 33mdirect
C$ 296Air Transat
Find Deal
Sat, 30 Aug - Wed, 3 Sep

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 13 August 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

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Mon 8/9

11:30 a.m.-5:50 p.m.

Nonstop4h 20m

Washington, D.C. Dulles Intl

Mon 15/9

6:45 p.m.-9:39 p.m.

Nonstop4h 54m

C$ 190

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Mon 8/9

11:30 a.m.-5:50 p.m.

Nonstop4h 20m

Washington, D.C. Dulles Intl

Mon 15/9

6:45 p.m.-9:39 p.m.

Nonstop4h 54m

C$ 194

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$ 258

HalifaxWashington, D.C.

YHZ - IAD

YHZIAD

Halifax Intl

Thu 4/9

5:30 p.m.-9:05 p.m.

1 stop4h 35m

Washington, D.C. Dulles Intl

Tue 9/9

9:35 a.m.-4:10 p.m.

1 stop5h 35m

C$ 262

HalifaxWashington, D.C.

YHZ - IAD

YHZIAD

Halifax Intl

Thu 18/9

5:25 a.m.-9:38 a.m.

1 stop5h 13m

Washington, D.C. Dulles Intl

Tue 30/9

9:35 a.m.-4:10 p.m.

1 stop5h 35m

C$ 269

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Wed 17/9

3:49 p.m.-7:00 a.m.

1 stop13h 11m

Washington, D.C. Dulles Intl

Tue 23/9

3:55 p.m.-10:53 p.m.

1 stop8h 58m

C$ 289

HalifaxWashington, D.C.

YHZ - IAD

YHZIAD

Halifax Intl

Thu 18/9

5:25 a.m.-9:38 a.m.

1 stop5h 13m

Washington, D.C. Dulles Intl

Mon 29/9

8:30 a.m.-3:49 p.m.

1 stop6h 19m

C$ 295

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 6/11

4:05 p.m.-5:34 p.m.

Nonstop1h 29m

Washington, D.C. Dulles Intl

Tue 11/11

6:35 p.m.-8:05 p.m.

Nonstop1h 30m

C$ 295

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sat 30/8

1:25 p.m.-2:56 p.m.

Nonstop1h 31m

Washington, D.C. Dulles Intl

Wed 3/9

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

Nonstop1h 33m

C$ 296

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 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$ 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 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$ 269, 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$ 287.

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$ 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$ 753 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$ 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 Canada for as low as C$ 346 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 AIRPORTJanuary16% cheaperFlying from Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport costs on average just C$ 331 in January
MOST EXPENSIVE MONTH TO FLY TO WASHINGTON, D.C. DULLES INTL AIRPORT FROM TORONTO PEARSON INTL AIRPORTAugust20% more expensiveIt costs about C$ 470 for flights to Washington, D.C. Dulles Intl Airport from Toronto Pearson Intl Airport in August
MOST POPULAR MONTH TO FLY TO WASHINGTON, D.C. DULLES INTL AIRPORT FROM TORONTO PEARSON INTL AIRPORTDecember202% 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$ 138

Best Round-Trip Price

C$ 190

Fastest flight time

1h 28m

Popular in

September
The best one-way flight price to Washington, D.C. from Canada in the last 72 hours is C$ 138 (Calgary 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$ 190 (Calgary to Washington, D.C. Dulles Intl).
Search Deals
The fastest flight to Washington, D.C. from Canada takes 1h 28m (Toronto Pearson Intl to Washington, D.C. Dulles Intl).
Search Deals
September has the highest demand for flights to Washington, D.C., with a 16% 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 41 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$ 345 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$ 124 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 72% 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 8 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, 50% 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 11 operators available for flights to Washington, D.C. Dulles Intl Airport as of August 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
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 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$ 211
Flights from Montreal Pierre Elliott Trudeau Intl to IADfrom C$ 291
Flights from Toronto Island to IADfrom C$ 153
Flights from Ottawa to IADfrom C$ 291
Flights from Vancouver Intl to IADfrom C$ 257