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

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — IAD
13 Nov — 20 Nov1
1 adult
1 adult, Economy

Find flight deals from Canada to Dulles Intl

Enter your travel dates to find the best prices.

Cheapest flights from Canada to Dulles Intl
Explore the most affordable flight options available from Canada to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 October 2025.

Wed 22/103:17 p.m.YEG - IAD
1 stop12h 05mUnited Airlines
Thu 23/108:15 a.m.IAD - YEG
2 stops15h 49mUnited Airlines
Deal found 13/10C$ 273
Fri 14/113:45 p.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Sun 16/1111:40 a.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 13/10C$ 280
Mon 20/103:17 p.m.YEG - IAD
1 stop12h 05mUnited Airlines
Tue 21/1012:52 p.m.IAD - YEG
2 stops11h 12mUnited Airlines
Deal found 14/10C$ 282
Fri 28/118:55 a.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Fri 5/126:30 p.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 14/10C$ 287
Thu 6/118:55 a.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Tue 11/116:30 p.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 13/10C$ 289
Thu 13/118:55 a.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Sun 16/116:30 p.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 14/10C$ 290
Sun 9/118:55 a.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Sun 16/116:30 p.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 12/10C$ 291
Fri 17/1012:54 p.m.YYC - IAD
2 stops17h 55mAmerican Airlines
Sat 25/105:37 p.m.IAD - YYC
1 stop20h 22mAmerican Airlines
Deal found 12/10C$ 293
Thu 13/118:55 a.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Thu 20/116:30 p.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 12/10C$ 294
Fri 31/103:45 p.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Mon 3/116:30 p.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 12/10C$ 298
Fri 17/1012:54 p.m.YYC - IAD
2 stops17h 55mAmerican Airlines
Tue 21/108:09 a.m.IAD - YYC
2 stops15h 45mAmerican Airlines
Deal found 12/10C$ 300
Wed 12/113:45 p.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Sat 22/111:45 p.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 13/10C$ 300

Cheap flight deals from Canada to Dulles Intl

Keep the following information in mind while searching for Canada to Dulles Intl flight deals. Data was last updated 14 October 2025.

Round-trip from

C$ 280

One-way from

C$ 143

Popular in

June

Cheapest in

April

Average price

C$ 331

Good round-trip deal

C$ 270 or less

Good one-way deal

C$ 196 or less
Porter Airlines
  • Porter Airlines
  • 14/11-16/11
  • Nonstop
  • 2h 59m total
  • Canada to Washington, D.C.
Search Deals
31/10
  • 31/10
  • 1 total stop
  • 21h 55m total
  • Canada to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Canada to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from Canada to Washington, D.C. Dulles Intl.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Canada to Dulles Intl 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, Cheapflights users made 629,999 searches. Data last updated 14 October 2025.
Use the filters below to find and compare flights from Canada to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Canada

Fly to

Dulles Intl

Route

Depart

Return

Price

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sat 22/11

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

Nonstop1h 29m

Washington, D.C. Dulles Intl

Tue 2/12

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

Nonstop1h 30m

C$ 287

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Mon 10/11

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

Nonstop1h 29m

Washington, D.C. Dulles Intl

Fri 14/11

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

Nonstop1h 30m

C$ 289

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 31/10

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

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sat 8/11

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

Nonstop1h 30m

C$ 298

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 6/11

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

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 16/11

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

Nonstop1h 30m

C$ 298

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

Sat 22/11

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

Nonstop1h 30m

C$ 301

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Fri 24/10

3:49 p.m.-5:36 a.m.

1 stop11h 47m

Washington, D.C. Dulles Intl

Mon 27/10

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

1 stop16h 16m

C$ 303

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Fri 24/10

3:49 p.m.-5:36 a.m.

1 stop11h 47m

Washington, D.C. Dulles Intl

Thu 30/10

6:30 a.m.-11:35 a.m.

1 stop7h 05m

C$ 303

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Sat 25/10

12:38 p.m.-8:55 p.m.

1 stop6h 17m

Washington, D.C. Dulles Intl

Mon 27/10

10:10 p.m.-2:21 p.m.

1 stop18h 11m

C$ 303

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Tue 18/11

7:40 p.m.-9:20 p.m.

Nonstop1h 40m

Washington, D.C. Dulles Intl

Sat 22/11

12:35 p.m.-2:14 p.m.

Nonstop1h 39m

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

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 60 results
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Best time to book a flight from Canada to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Canada with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Canada to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from Canada to Washington, D.C. Dulles Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Canada to Washington, D.C. Dulles Intl Airport (average of C$ 149). Flying from Canada to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of C$ 262). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CA to IAD?

Find hourly flight availability from Canada to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 October 2025.

It’s optimal to fly from Canada to Washington, D.C. Dulles Intl Airport in the morning. By choosing this option you can save up to 22% on the cost of your flight, compared to a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Canada to Dulles Intl. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Canada to Washington, D.C. Dulles Intl Airport flight should consider departing on Saturday afternoons when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Canada to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from Canada to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 14 October 2025.

The most flights from CA0 to IAD are scheduled on a Monday (18 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (15 on average).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated 14 October 2025.
Get a feel of what it's like to fly with Porter Airlines,Air Transat, andUnited Airlines from Canada to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
379 reviews
Check prices

Food

7.6

Overall

8.0

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
8.0
Very good
379 reviews
Porter Airlines
8.0
Very good
379 reviews
Check prices

Food

7.6

Overall

8.0

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Transat
7.7
Good
458 reviews
Porter Airlines
8.0
Very good
379 reviews
Check prices

Food

7.6

Overall

8.0

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
United Airlines
7.4
Good
8,976 reviews
Porter Airlines
8.0
Very good
379 reviews
Check prices

Food

7.6

Overall

8.0

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
WestJet
7.2
Good
3,125 reviews
Porter Airlines
8.0
Very good
379 reviews
Check prices

Food

7.6

Overall

8.0

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,297 reviews
Porter Airlines
8.0
Very good
379 reviews
Check prices

Food

7.6

Overall

8.0

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Related info for your journey

Find useful and relevant information for your journey from Canada to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Canada to Washington, D.C. Dulles Intl Airport?

    There are many flights that can get you from Canada to Washington, D.C. Dulles Intl Airport in 1h 29m. Fly via Porter Airlines, United Airlines, or Air Canada to get the fastest option. There are 546 km between Canada and Washington, D.C. Dulles Intl Airport. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from Canada to Washington, D.C. Dulles Intl Airport one-way?

    To fly one-way, consider booking your trip with Porter Airlines, which is currently one of the cheapest options available, starting at C$ 175. United Airlines flights start at C$ 186 while deals on Air Canada start at C$ 198 one-way.

  • What are the most popular routes from Canada to Washington, D.C. Dulles Intl Airport?

    The most popular flight routes from Canada to Washington, D.C. Dulles Intl Airport are Toronto Pearson Intl - Washington, D.C. Dulles Intl, Toronto Island - Washington, D.C. Dulles Intl and Montreal Pierre Elliott Trudeau Intl - Washington, D.C. Dulles Intl.

  • What are the most reliable airlines from Canada to Washington, D.C. Dulles Intl Airport?

    Consider Republic Airways (94%), Avianca (91%) or Copa Airlines (91%) when booking your flight. These represent the most reliable airlines when flying from Canada to Washington, D.C. Dulles Intl Airport.

  • What are the cheapest flights from Canada to Washington, D.C. Dulles Intl Airport?

    Looking at all options, your cheapest flight can be booked for C$ 207. While the most popular route (Toronto Pearson Intl - Washington, D.C. Dulles Intl) can be booked for C$ 303 on average, our data indicates C$ 1,077 when flying from Canada to Washington, D.C. Dulles Intl Airport.

  • Can I find deals for flights from Canada to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Canada to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Canada to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Canada to Dulles Intl.

  • Can I find deals for business class flights from Canada to Dulles Intl?

    Yes. Cheapflights offers flight deals from Canada to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Canada to Washington, D.C. Dulles Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Canada to Washington, D.C. Dulles Intl Airport (average of C$ 149). Flying from Canada to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of C$ 262). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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
Warrenton
Hanover
Reston
Fairfax
Ellicott City
Oxon Hill
Gaithersburg
Herndon
Winchester
Arlington
Alexandria
Manassas
Fredericksburg
Rockville

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Alternative routes for Canada to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Reagan-National flights
Pearson Intl to Dulles Intl flights
Toronto Island to Dulles Intl flights
Pearson Intl to Baltimore flights
Pierre Elliott Trudeau Intl to Reagan-National flights
Pierre Elliott Trudeau Intl to Dulles Intl flights
Ottawa to Dulles Intl flights
Vancouver Intl to Baltimore flights
Vancouver Intl to Dulles Intl flights
Pierre Elliott Trudeau Intl to Baltimore flights
Vancouver Intl to Reagan-National flights
Ottawa to Reagan-National flights
Toronto Island to Reagan-National flights
Toronto Island to Baltimore flights
Ottawa to Baltimore flights
Calgary to Dulles Intl flights
Calgary to Baltimore flights
Edmonton to Dulles Intl flights
Calgary to Reagan-National flights
Edmonton to Baltimore flights
Winnipeg to Dulles Intl flights
Edmonton to Reagan-National flights
Halifax to Dulles Intl flights
Halifax to Reagan-National flights
Halifax to Baltimore flights
Winnipeg to Reagan-National flights
Seattle to Reagan-National flights
Buffalo to Baltimore flights
Winnipeg to Baltimore flights
Saskatoon to Reagan-National flights
Seattle to Dulles Intl flights
Québec City to Dulles Intl flights
St. John's to Reagan-National flights
St. John's to Dulles Intl flights
London to Reagan-National flights
London to Dulles Intl flights
Québec City to Baltimore flights
London to Baltimore flights
Thunder Bay to Dulles Intl flights
Québec City to Reagan-National flights
Saskatoon to Baltimore flights
Fredericton to Dulles Intl flights

Top 7 airlines flying from Canada to Dulles Intl

Discover the top 7 airlines that operate flights from Canada to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 14 October 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 192AverageC$ 288FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 197AverageC$ 495FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air TransatCheapestC$ 213AverageC$ 357FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 215AverageC$ 400FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
DeltaCheapestC$ 225AverageC$ 570FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 262AverageC$ 558FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 275AverageC$ 537FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Canada to Dulles Intl?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Canada to Dulles Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Canada to Dulles Intl?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Canada to Dulles Intl for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Canada to Dulles Intl with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Canada to Dulles Intl flexibly with Cheapflights today.

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