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Dulles Intl

$102+ 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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — IAD
Nov 13 — Nov 201
Thu 11/13
Thu 11/20
1 adult, Economy
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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 October 14, 2025.

This United Airlines deal was found by Cheapflights users on 10/13. 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.
Wed 10/223:17 pmYEG - IAD
1 stop12h 05mUnited Airlines
Thu 10/238:15 amIAD - YEG
2 stops15h 49mUnited Airlines
Deal found 10/13$195
This SmartFares deal was found by Cheapflights users on 10/13. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/143:45 pmYTZ - IAD
Nonstop1h 29mPorter Airlines
Sun 11/1611:40 amIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 10/13$200
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Mon 10/203:17 pmYEG - IAD
1 stop12h 05mUnited Airlines
Tue 10/2112:52 pmIAD - YEG
2 stops11h 12mUnited Airlines
Deal found 10/14$201
This SmartFares deal was found by Cheapflights users on 10/14. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/283:45 pmYTZ - IAD
Nonstop1h 29mPorter Airlines
Fri 12/56:30 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 10/14$205
This SmartFares deal was found by Cheapflights users on 10/13. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/68:55 amYTZ - IAD
Nonstop1h 29mPorter Airlines
Tue 11/116:30 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 10/13$206
This Trip.com deal was found by Cheapflights users on 10/14. 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.
Thu 11/138:55 amYTZ - IAD
Nonstop1h 29mPorter Airlines
Sun 11/166:30 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 10/14$207
This Trip.com deal was found by Cheapflights users on 10/12. 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.
Sun 11/98:55 amYTZ - IAD
Nonstop1h 29mPorter Airlines
Sun 11/166:30 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 10/12$208
This American Airlines deal was found by Cheapflights users on 10/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1712:54 pmYYC - IAD
2 stops17h 55mAmerican Airlines
Sat 10/255:37 pmIAD - YYC
1 stop20h 22mAmerican Airlines
Deal found 10/12$209
This SmartFares deal was found by Cheapflights users on 10/12. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/138:55 amYTZ - IAD
Nonstop1h 29mPorter Airlines
Thu 11/206:30 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 10/12$210
This SmartFares deal was found by Cheapflights users on 10/12. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/313:45 pmYTZ - IAD
Nonstop1h 29mPorter Airlines
Mon 11/36:30 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 10/12$213
This Kiwi.com deal was found by Cheapflights users on 10/13. 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.
Wed 11/123:45 pmYTZ - IAD
Nonstop1h 29mPorter Airlines
Sat 11/221:45 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 10/13$214
This FlightHub deal was found by Cheapflights users on 10/14. 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.
Wed 11/123:45 pmYTZ - IAD
Nonstop1h 29mPorter Airlines
Wed 11/196:30 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 10/14$215

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 October 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$200
(SmartFares)

One-way from

$102
(Trip.com)

Popular in

June

Cheapest in

April

Average price

$236

Good round-trip deal

$192 or less

Good one-way deal

$140 or less
Provider with most accurate pricing for Toronto (YTO)-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Toronto (YTO)-Washington, D.C. (WAS) flights.
Search Deals
From Canada to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Canada to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($5 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.
Search Deals

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 October 14, 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

Tue 11/18

3:45 pm-5:14 pm

Nonstop1h 29m

Washington, D.C. Dulles Intl

Fri 11/21

11:40 am-1:10 pm

Nonstop1h 30m

$205

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sat 11/22

11:00 am-12:29 pm

Nonstop1h 29m

Washington, D.C. Dulles Intl

Tue 12/2

6:30 pm-8:00 pm

Nonstop1h 30m

$205

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 10/31

8:55 am-10:24 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sat 11/8

1:45 pm-3:15 pm

Nonstop1h 30m

$213

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Tue 11/18

3:45 pm-5:14 pm

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sat 11/22

1:45 pm-3:15 pm

Nonstop1h 30m

$215

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Fri 10/24

3:49 pm-5:36 am

1 stop11h 47m

Washington, D.C. Dulles Intl

Mon 10/27

10:10 pm-12:26 pm

1 stop16h 16m

$216

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Fri 10/24

3:49 pm-5:36 am

1 stop11h 47m

Washington, D.C. Dulles Intl

Thu 10/30

6:30 am-11:35 am

1 stop7h 05m

$216

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Sat 10/25

12:38 pm-8:55 pm

1 stop6h 17m

Washington, D.C. Dulles Intl

Mon 10/27

10:10 pm-2:21 pm

1 stop18h 11m

$216

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Tue 11/18

7:40 pm-9:20 pm

Nonstop1h 40m

Washington, D.C. Dulles Intl

Sat 11/22

12:35 pm-2:14 pm

Nonstop1h 39m

$216

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Sat 11/8

7:40 pm-9:20 pm

Nonstop1h 40m

Washington, D.C. Dulles Intl

Tue 11/11

10:11 pm-11:46 pm

Nonstop1h 35m

$216

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sun 11/23

8:55 am-10:24 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

Tue 12/2

6:30 pm-8:00 pm

Nonstop1h 30m

$220

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

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 $106). Flying from Canada to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $187). 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 October 14, 2025.

When flying from Canada to Washington, D.C. Dulles Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 12% versus a flight in the evening.

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 December 16, 2024.

Travelers seeking maximum savings on their Canada to Washington, D.C. Dulles Intl Airport flight should consider departing on Thursday afternoons when fares are most often at their lowest. Monday at noon 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 October 14, 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 October 14, 2025.
Peruse reviews from past customers who have flown with Porter Airlines, Delta, and United Airlines from Canada to Washington, D.C. Dulles Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
379 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.0

Food

7.6

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

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.0

Food

7.6

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.
Delta
8.0
Very good
7,975 reviews
Porter Airlines
8.0
Very good
379 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.0

Food

7.6

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

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.0

Food

7.6

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

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.0

Food

7.6

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

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.0

Food

7.6

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?

    A quick flight from Canada to Washington, D.C. Dulles Intl Airport can take about 1h 29m. Porter Airlines provides one of the quickest options available for as low as $205. There are 339 mi between Canada and Washington, D.C. Dulles Intl Airport. Both multi-stop and nonstop flights can be found to your destination and back.

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

    $126 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 United Airlines and Air Canada, with prices starting from $133 and $141, 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 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?

    On average you can expect to pay $677 for a flight from Canada to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $135 while the most popular route, (Toronto Pearson Intl - Washington, D.C. Dulles Intl) is currently priced at $216.

  • 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 $106). Flying from Canada to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $187). 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 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
Woodbridge
Arlington
Tysons
Springfield
Silver Spring
Hanover
Gaithersburg
Fredericksburg
Fairfax
Linthicum Heights
Falls Church
Owings Mills
Manassas
Largo
Oxon Hill
Laurel
Towson
National Harbor
Waldorf

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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.
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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 October 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$129Average$386FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$174Average$301FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$184Average$475FlexibilityNo cancel feeOn-time69%
DeltaCheapest$194Average$433FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$281Average$630FlexibilityNo cancel feeOn-time60%

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