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Dulles Intl

$115+ Cheap flights from Canada to Dulles Intl (IAD)

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 6/18. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — IAD
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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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 April 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$172
(Air Canada)

One-way from

$115
(Trip.com)

Popular in

August

Cheapest in

March

Average price

$243

Good round-trip deal

$135 or less

Good one-way deal

$112 or less
Provider with most accurate pricing for Toronto (YTO)-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Toronto (YTO)-Washington, D.C. (WAS) flights.
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From Canada to Washington, D.C. Dulles Intl
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One-way flight from Canada to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 1% potential increase in price ($5 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($2 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Canada to Washington, D.C. Dulles Intl.
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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 April 29, 2025.

This Air Canada deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/77:47 pmYYZ - IAD
Nonstop1h 38mAir Canada
Wed 10/88:20 amIAD - YYZ
1 stop10h 13mAir Canada
Deal found 4/28$172
This Trip.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/308:45 amYTZ - IAD
Nonstop1h 31mPorter Airlines
Wed 6/44:20 pmIAD - YTZ
Nonstop1h 33mPorter Airlines
Deal found 4/28$173
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/37:47 pmYYZ - IAD
Nonstop1h 40mUnited Airlines
Wed 6/43:30 pmIAD - YYZ
Nonstop1h 39mUnited Airlines
Deal found 4/27$180
This Air Canada deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/34:20 pmYTZ - IAD
1 stop4h 44mAir Canada
Wed 6/41:00 pmIAD - YTZ
1 stop5h 37mAir Canada
Deal found 4/28$184
This Flightnetwork deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/31:35 pmYTZ - IAD
Nonstop1h 31mMultiple Airlines
Wed 6/41:00 pmIAD - YTZ
1 stop5h 37mMultiple Airlines
Deal found 4/28$191
This Trip.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/281:35 pmYTZ - IAD
Nonstop1h 31mAir Transat
Wed 6/44:20 pmIAD - YTZ
Nonstop1h 33mAir Transat
Deal found 4/28$205
This FlightHub deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1811:30 amYYC - IAD
Nonstop4h 24mWestJet
Wed 8/276:45 pmIAD - YYC
Nonstop4h 52mWestJet
Deal found 4/27$211
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2312:10 pmYYZ - IAD
1 stop7h 32mDelta
Wed 5/285:24 pmIAD - YYZ
1 stop5h 34mDelta
Deal found 4/28$215
This Air Canada deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2212:38 pmYYC - IAD
1 stop9h 52mAir Canada
Wed 5/286:48 amIAD - YYC
1 stop6h 50mAir Canada
Deal found 4/28$217
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2410:45 amYUL - IAD
1 stop4h 21mPorter Airlines
Wed 5/284:20 pmIAD - YUL
1 stop5h 55mPorter Airlines
Deal found 4/27$237
This United deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/247:47 pmYYZ - IAD
Nonstop1h 38mMultiple Airlines
Mon 5/268:22 amIAD - YYZ
Nonstop1h 42mMultiple Airlines
Deal found 4/28$238
This United deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/247:15 amYYC - IAD
1 stop13h 12mMultiple Airlines
Sun 7/278:18 amIAD - YYC
1 stop16h 23mMultiple Airlines
Deal found 4/28$243

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 2,558,603 searches. Data last updated April 29, 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

Fri 5/30

8:45 am-10:16 am

Nonstop1h 31m

Washington, D.C. Dulles Intl

Wed 6/4

4:20 pm-5:53 pm

Nonstop1h 33m

$173

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Tue 6/3

7:47 pm-9:27 pm

Nonstop1h 40m

Washington, D.C. Dulles Intl

Wed 6/4

3:30 pm-5:09 pm

Nonstop1h 39m

$180

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Tue 6/3

8:10 am-9:41 am

Nonstop1h 31m

Washington, D.C. Dulles Intl

Wed 6/4

8:22 am-10:04 am

Nonstop1h 42m

$182

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Tue 6/3

4:20 pm-9:04 pm

1 stop4h 44m

Washington, D.C. Dulles Intl

Wed 6/4

1:00 pm-6:37 pm

1 stop5h 37m

$184

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Tue 6/3

1:35 pm-3:06 pm

Nonstop1h 31m

Washington, D.C. Dulles Intl

Wed 6/4

1:00 pm-6:37 pm

1 stop5h 37m

$191

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Wed 5/28

1:35 pm-3:06 pm

Nonstop1h 31m

Washington, D.C. Dulles Intl

Wed 6/4

4:20 pm-5:53 pm

Nonstop1h 33m

$205

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Fri 5/23

12:10 pm-7:42 pm

1 stop7h 32m

Washington, D.C. Dulles Intl

Wed 5/28

5:24 pm-10:58 pm

1 stop5h 34m

$215

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Thu 5/22

12:38 pm-12:30 am

1 stop9h 52m

Washington, D.C. Dulles Intl

Wed 5/28

6:48 am-11:38 am

1 stop6h 50m

$217

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Mon 5/26

11:30 am-5:54 pm

Nonstop4h 24m

Washington, D.C. Dulles Intl

Mon 6/2

6:45 pm-9:36 pm

Nonstop4h 51m

$229

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Sat 5/24

10:45 am-3:06 pm

1 stop4h 21m

Washington, D.C. Dulles Intl

Wed 5/28

4:20 pm-10:15 pm

1 stop5h 55m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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, August is the cheapest month in which you can book a flight from Canada to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Canada to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $373). 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 April 29, 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 April 29, 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 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 April 29, 2025.
See what other customers who have flown with Delta, Alaska Airlines and Porter Airlines from Canada to Washington, D.C. have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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
7,929 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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
7,929 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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
1,334 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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
7,929 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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?

    $115 is the cheapest one-way deal found within the past few days, from Porter Airlines. You may also be able to find cheap deals on Air Canada and Air Transat, with prices starting from $120 and $124, respectively.

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

    Most travelers choose Toronto Pearson Intl - Washington, D.C. Dulles Intl, Toronto Island - Washington, D.C. Dulles Intl or Montreal Pierre Elliott Trudeau Intl - Washington, D.C. Dulles Intl when deciding on the best route from Canada to Washington, D.C. Dulles Intl Airport.

  • 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?

    On average you can expect to pay $290 for a flight from Canada to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $122 while the most popular route, (Toronto Pearson Intl - Washington, D.C. Dulles Intl) is currently priced at $180.

  • 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, August is the cheapest month in which you can book a flight from Canada to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Canada to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $373). 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

Traveling to a place near Canada?

Book flights to Canada if you plan to visit one of these locations
Alexandria
Arlington
Woodbridge
Tysons
Fairfax
Springfield
Rockville
Fredericksburg
Silver Spring
Gaithersburg
Linthicum Heights
Falls Church
Laurel
Easton
Towson
Herndon
Sterling
Bowie
National Harbor
Oxon Hill

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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.
Los Angeles to Dulles Intl flights
Dallas/Fort Worth to Baltimore flights
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Dallas/Fort Worth to Dulles Intl flights
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Boston to Dulles Intl flights
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Hobby to Reagan-National flights
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George Bush Intcntl to Baltimore flights
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Portland to Reagan-National flights
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Fort Lauderdale to Baltimore flights
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Minneapolis to Reagan-National flights
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Miami to Reagan-National flights
John F Kennedy Intl to Dulles Intl flights
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Miami to Baltimore flights
Burbank to Baltimore flights
San Diego to Baltimore flights
Denver to Reagan-National flights

Top 5 airlines flying from Canada to Dulles Intl

Discover the top 5 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 2,558,603 searches. Data last updated April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$168Average$343FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$178Average$427FlexibilityNo cancel feeOn-time67%
WestJetCheapest$183Average$380FlexibilityNo cancel feeOn-time60%
DeltaCheapest$191Average$367FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$202Average$411FlexibilityNo cancel feeOn-time69%

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