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Flights to Washington, D.C. Dulles Intl

C$ 168 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 15/4. 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
11:00 a.m. - 12:29 p.m.
YTZ
-
IAD
1h 29mdirect
Porter Airlines Logo
11:30 a.m. - 1:01 p.m.
IAD
-
YTZ
1h 31mdirect
C$ 270Porter Airlines
Sat, 11 Apr - Sat, 30 May
Porter Airlines Logo
8:55 a.m. - 10:24 a.m.
YTZ
-
IAD
1h 29mdirect
Porter Airlines Logo
6:30 p.m. - 8:00 p.m.
IAD
-
YTZ
1h 30mdirect
C$ 277Porter Airlines
Thu, 5 Mar - Sun, 8 Mar
Air Canada Logo
6:55 p.m. - 8:26 p.m.
YYZ
-
IAD
1h 31mdirect
Air Canada Logo
4:30 p.m. - 5:57 p.m.
IAD
-
YYZ
1h 27mdirect
C$ 297Air Canada
Sat, 21 Mar - Tue, 21 Apr
Air Canada Logo
6:55 p.m. - 8:26 p.m.
YYZ
-
IAD
1h 31mdirect
Air Canada Logo
9:55 a.m. - 4:39 p.m.
IAD
-
YYZ
6h 44m
1 stop
C$ 308Air Canada
Sat, 21 Mar - Tue, 21 Apr
Delta Logo
6:45 p.m. - 12:27 a.m.
YUL
-
IAD
5h 42m
1 stop
Delta Logo
6:01 a.m. - 11:37 a.m.
IAD
-
YUL
5h 36m
1 stop
C$ 379Delta
Tue, 17 Mar - Tue, 24 Mar
Delta Logo
4:10 p.m. - 11:41 p.m.
YWG
-
IAD
6h 31m
1 stop
Delta Logo
6:00 a.m. - 4:51 p.m.
IAD
-
YWG
11h 51m
2 stops
C$ 397Delta
Thu, 7 May - Sun, 10 May
United Airlines Logo
4:50 p.m. - 12:45 a.m.
YHZ
-
IAD
8h 55m
1 stop
United Airlines Logo
6:33 a.m. - 2:03 p.m.
IAD
-
YHZ
6h 30m
1 stop
C$ 404United Airlines
Fri, 22 May - Mon, 1 Jun
WestJet Logo
8:00 a.m. - 6:10 p.m.
YEG
-
IAD
8h 10m
1 stop
WestJet Logo
7:00 p.m. - 10:30 a.m.
IAD
-
YEG
17h 30m
1 stop
C$ 443WestJet
Fri, 15 May - Fri, 29 May
WestJet Logo
8:00 a.m. - 6:10 p.m.
YEG
-
IAD
8h 10m
1 stop
WestJet Logo
7:00 p.m. - 11:30 a.m.
IAD
-
YEG
18h 30m
2 stops
C$ 474WestJet
Fri, 15 May - Fri, 29 May
United Airlines Logo
8:30 a.m. - 7:02 p.m.
YYC
-
IAD
8h 32m
1 stop
United Airlines Logo
5:38 p.m. - 10:37 p.m.
IAD
-
YYC
6h 59m
1 stop
C$ 482United Airlines
Thu, 28 May - Mon, 1 Jun

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 18 February 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

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sat 11/4

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

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sat 30/5

11:30 a.m.-1:01 p.m.

Nonstop1h 31m

C$ 270

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 5/3

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

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 8/3

6:30 p.m.-8:00 p.m.

Nonstop1h 30m

C$ 277

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Sat 21/3

6:55 p.m.-8:26 p.m.

Nonstop1h 31m

Washington, D.C. Dulles Intl

Tue 21/4

4:30 p.m.-5:57 p.m.

Nonstop1h 27m

C$ 297

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Sat 21/3

6:55 p.m.-8:26 p.m.

Nonstop1h 31m

Washington, D.C. Dulles Intl

Tue 21/4

9:55 a.m.-4:39 p.m.

1 stop6h 44m

C$ 308

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Tue 17/3

6:45 p.m.-12:27 a.m.

1 stop5h 42m

Washington, D.C. Dulles Intl

Tue 24/3

6:01 a.m.-11:37 a.m.

1 stop5h 36m

C$ 379

WinnipegWashington, D.C.

YWG - IAD

YWGIAD

Winnipeg

Thu 7/5

4:10 p.m.-11:41 p.m.

1 stop6h 31m

Washington, D.C. Dulles Intl

Sun 10/5

6:00 a.m.-4:51 p.m.

2 stops11h 51m

C$ 397

HalifaxWashington, D.C.

YHZ - IAD

YHZIAD

Halifax Intl

Fri 22/5

4:50 p.m.-12:45 a.m.

1 stop8h 55m

Washington, D.C. Dulles Intl

Mon 1/6

6:33 a.m.-2:03 p.m.

1 stop6h 30m

C$ 404

EdmontonWashington, D.C.

YEG - IAD

YEGIAD

Edmonton

Fri 15/5

8:00 a.m.-6:10 p.m.

1 stop8h 10m

Washington, D.C. Dulles Intl

Fri 29/5

7:00 p.m.-10:30 a.m.

1 stop17h 30m

C$ 443

EdmontonWashington, D.C.

YEG - IAD

YEGIAD

Edmonton

Fri 15/5

8:00 a.m.-6:10 p.m.

1 stop8h 10m

Washington, D.C. Dulles Intl

Fri 29/5

7:00 p.m.-11:30 a.m.

2 stops18h 30m

C$ 474

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Thu 28/5

8:30 a.m.-7:02 p.m.

1 stop8h 32m

Washington, D.C. Dulles Intl

Mon 1/6

5:38 p.m.-10:37 p.m.

1 stop6h 59m

C$ 482

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$ 517. 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$ 851.

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$ 266, 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$ 282.

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$ 488. 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$ 817 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$ 398 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$ 330 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 AIRPORTMay14% cheaperFlying from Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport costs on average just C$ 347 in May
MOST EXPENSIVE MONTH TO FLY TO WASHINGTON, D.C. DULLES INTL AIRPORT FROM TORONTO PEARSON INTL AIRPORTDecember25% more expensiveIt costs about C$ 498 for flights to Washington, D.C. Dulles Intl Airport from Toronto Pearson Intl Airport in December
MOST POPULAR MONTH TO FLY TO WASHINGTON, D.C. DULLES INTL AIRPORT FROM TORONTO PEARSON INTL AIRPORTMay389% more users visitedMore momondo users searched in flights to Washington, D.C. Dulles Intl Airport from Toronto Pearson Intl Airport in May 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$ 168

Best Round-Trip Price

C$ 270

Fastest flight time

1h 29m

Popular in

December
The best one-way flight price to Washington, D.C. from Canada in the last 72 hours is C$ 168 (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 72 hours is C$ 270 (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
December has the highest demand for flights to Washington, D.C., with a 10% 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 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$ 438 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$ 273 is the cheapest deal found on momondo in the last two weeks for a flight to Washington, D.C.. This flight is from Buffalo and is 47% 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, 44% 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 13 operators available for flights to Washington, D.C. Dulles Intl Airport as of February 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
Gettysburg
Alexandria
Gaithersburg
Fairfax
Linthicum Heights
Bethesda
Silver Spring
National Harbor
Reston
Herndon
Laurel
Winchester
Arlington
Leesburg
Fredericksburg
Ashburn
Manassas
Woodbridge
Rockville
McLean

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$ 261
Flights from Ottawa to IADfrom C$ 287
Flights from Montreal Pierre Elliott Trudeau Intl to IADfrom C$ 281
Flights from Toronto Island to IADfrom C$ 185
Flights from Calgary to IADfrom C$ 179