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Cheap flights from Canada to Washington, D.C. Dulles Intl Airport from C$ 154

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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — IAD
5 May — 12 May1
1 adult

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 30 April 2025.

Round-trip from

C$ 249

One-way from

C$ 159

Popular in

August

Cheapest in

March

Average price

C$ 336

Good round-trip deal

C$ 231 or less

Good one-way deal

C$ 132 or less
Porter Airlines
  • Porter Airlines
  • 6/6-8/6
  • Nonstop
  • 3h 04m total
  • Canada to Washington, D.C.
Search Deals
United Airlines
  • United Airlines
  • 28/5
  • Nonstop
  • 1h 39m total
  • Canada to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 10 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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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Find flight deals from Canada to Dulles Intl

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 30 April 2025.

Fri 6/61:35 p.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Sun 8/611:35 a.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
Deal found 29/4C$ 249
Tue 27/56:15 a.m.YYZ - IAD
Nonstop1h 39mUnited Airlines
Tue 3/62:25 p.m.IAD - YYZ
Nonstop1h 34mUnited Airlines
Deal found 28/4C$ 278
Wed 28/51:35 p.m.YTZ - IAD
Nonstop1h 31mAir Transat
Wed 4/64:20 p.m.IAD - YTZ
Nonstop1h 33mAir Transat
Deal found 28/4C$ 284
Tue 7/107:47 p.m.YYZ - IAD
Nonstop1h 38mAir Canada
Wed 8/108:20 a.m.IAD - YYZ
1 stop8h 23mAir Canada
Deal found 29/4C$ 284
Tue 1/76:29 a.m.YYC - IAD
2 stops28h 09mAmerican Airlines
Wed 9/76:35 a.m.IAD - YYC
2 stops17h 22mAmerican Airlines
Deal found 29/4C$ 300
Tue 3/610:20 a.m.YTZ - IAD
1 stop5h 55mAir Canada
Wed 4/61:00 p.m.IAD - YTZ
1 stop5h 37mAir Canada
Deal found 29/4C$ 300
Fri 26/911:55 p.m.YYC - IAD
1 stop7h 43mAir Canada
Tue 30/912:41 p.m.IAD - YYC
1 stop7h 51mAir Canada
Deal found 29/4C$ 313
Sat 24/510:45 a.m.YUL - IAD
1 stop4h 21mPorter Airlines
Wed 28/54:20 p.m.IAD - YUL
1 stop5h 55mPorter Airlines
Deal found 27/4C$ 328
Sat 24/57:47 p.m.YYZ - IAD
Nonstop1h 38mMultiple Airlines
Mon 26/58:22 a.m.IAD - YYZ
Nonstop1h 42mMultiple Airlines
Deal found 28/4C$ 329
Mon 18/811:30 a.m.YYC - IAD
Nonstop4h 24mWestJet
Wed 27/86:45 p.m.IAD - YYC
Nonstop4h 52mWestJet
Deal found 28/4C$ 332
Thu 5/63:50 p.m.YYZ - IAD
1 stop7h 04mDelta
Tue 10/69:40 a.m.IAD - YYZ
1 stop7h 35mDelta
Deal found 29/4C$ 339
Fri 13/69:15 a.m.YUL - IAD
Nonstop1h 59mUnited Airlines
Fri 13/610:15 p.m.IAD - YUL
1 stop10h 20mUnited Airlines
Deal found 28/4C$ 345

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 30 April 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.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Tue 7/10

7:47 p.m.-9:25 p.m.

Nonstop1h 38m

Washington, D.C. Dulles Intl

Wed 8/10

8:20 a.m.-6:33 p.m.

1 stop10h 13m

C$ 238

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 30/5

8:45 a.m.-10:16 a.m.

Nonstop1h 31m

Washington, D.C. Dulles Intl

Wed 4/6

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

Nonstop1h 33m

C$ 239

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Tue 3/6

7:47 p.m.-9:27 p.m.

Nonstop1h 40m

Washington, D.C. Dulles Intl

Wed 4/6

3:30 p.m.-5:09 p.m.

Nonstop1h 39m

C$ 249

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Tue 3/6

4:20 p.m.-9:04 p.m.

1 stop4h 44m

Washington, D.C. Dulles Intl

Wed 4/6

1:00 p.m.-6:37 p.m.

1 stop5h 37m

C$ 255

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Wed 28/5

1:35 p.m.-3:06 p.m.

Nonstop1h 31m

Washington, D.C. Dulles Intl

Wed 4/6

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

Nonstop1h 33m

C$ 284

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Mon 18/8

11:30 a.m.-5:54 p.m.

Nonstop4h 24m

Washington, D.C. Dulles Intl

Wed 27/8

6:45 p.m.-9:37 p.m.

Nonstop4h 52m

C$ 292

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Fri 23/5

12:10 p.m.-7:42 p.m.

1 stop7h 32m

Washington, D.C. Dulles Intl

Wed 28/5

5:24 p.m.-10:58 p.m.

1 stop5h 34m

C$ 298

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Thu 22/5

12:38 p.m.-12:30 a.m.

1 stop9h 52m

Washington, D.C. Dulles Intl

Wed 28/5

6:48 a.m.-11:38 a.m.

1 stop6h 50m

C$ 300

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Wed 28/5

1:35 p.m.-3:06 p.m.

Nonstop1h 31m

Washington, D.C. Dulles Intl

Thu 29/5

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

Nonstop1h 33m

C$ 305

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Sat 30/8

6:45 a.m.-6:56 p.m.

1 stop10h 11m

Washington, D.C. Dulles Intl

Sun 31/8

11:51 a.m.-9:58 p.m.

1 stop12h 07m

C$ 328

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

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, February is the cheapest month in which you can book a flight from Canada to Washington, D.C. Dulles Intl Airport (average of C$ 256). Flying from Canada to Washington, D.C. Dulles Intl Airport in October is currently the most expensive (average of C$ 352). 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 30 April 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Canada to Washington, D.C. Dulles Intl Airport as you normally would.

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 30 April 2025.

The most flights from CA0 to IAD are scheduled on a Monday (21 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (11 on average).

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 66.0 - 102.0 mm per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

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 30 April 2025.
Get a feel of what it's like to fly with Delta, Alaska Airlines and Porter Airlines from Canada to Washington, D.C. by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,936 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,936 reviews
Delta
8.0
Very good
7,936 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Alaska Airlines
8.0
Very good
9,961 reviews
Delta
8.0
Very good
7,936 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Porter Airlines
8.0
Very good
285 reviews
Delta
8.0
Very good
7,936 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,936 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air Transat
7.8
Good
385 reviews
Delta
8.0
Very good
7,936 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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 United Airlines, which is currently one of the cheapest options available, starting at C$ 159. Porter Airlines flights start at C$ 161 while deals on Air Canada start at C$ 166 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 Vancouver Intl - Washington, D.C. Dulles Intl.

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

    Consider ANA (90%), Avianca (87%) or Copa Airlines (84%) 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$ 175. While the most popular route (Toronto Pearson Intl - Washington, D.C. Dulles Intl) can be booked for C$ 249 on average our data indicates C$ 1,357 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, February is the cheapest month in which you can book a flight from Canada to Washington, D.C. Dulles Intl Airport (average of C$ 256). Flying from Canada to Washington, D.C. Dulles Intl Airport in October is currently the most expensive (average of C$ 352). 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 Canada?

Book flights to Canada if you plan to visit one of these locations
Herndon
Warrenton
Arlington
Hanover
Bel Air
Fairfax
Gaithersburg
Winchester
Falls Church
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 Dulles Intl flights
Pearson Intl to Reagan-National flights
Toronto Island to Dulles Intl flights
Vancouver Intl to Dulles Intl flights
Pierre Elliott Trudeau Intl to Reagan-National flights
Pearson Intl to Baltimore flights
Pierre Elliott Trudeau Intl to Dulles Intl flights
Vancouver Intl to Baltimore flights
Pierre Elliott Trudeau Intl to Baltimore flights
Vancouver Intl to Reagan-National flights
Calgary to Dulles Intl flights
Toronto Island to Baltimore flights
Calgary to Baltimore flights
Ottawa to Dulles Intl flights
Edmonton to Dulles Intl flights
Ottawa to Reagan-National flights
Edmonton to Baltimore flights
Québec City to Reagan-National flights
Québec City to Dulles Intl flights
Toronto Island to Reagan-National flights
Calgary to Reagan-National flights
Edmonton to Reagan-National flights
Winnipeg to Dulles Intl flights
Regina to Baltimore flights
Ottawa to Baltimore flights
Regina to Dulles Intl flights
Halifax to Dulles Intl flights
Buffalo to Baltimore flights
Winnipeg to Baltimore flights
Regina to Reagan-National flights
Halifax to Reagan-National flights
Victoria to Dulles Intl flights
Halifax to Baltimore flights
Kelowna to Dulles Intl flights
London to Dulles Intl flights
London to Reagan-National flights
Saskatoon to Reagan-National flights
Winnipeg to Reagan-National flights
Victoria to Baltimore flights
Victoria to Reagan-National flights
Saskatoon to Baltimore flights
Québec City to Baltimore flights
Seattle to Reagan-National 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 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 205AverageC$ 388FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 226AverageC$ 395FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 235AverageC$ 596FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 243AverageC$ 602FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 259AverageC$ 562FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 267AverageC$ 516FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Alaska AirlinesCheapestC$ 389AverageC$ 750FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Fly with Cheapflights

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

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

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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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