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Dulles Intl

$133+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — IAD
Aug 27 — Sep 31
Thu 8/27
Thu 9/3
1 adult, Economy
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Cheap 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 July 28, 2026.

This FlightHub deal was found by Cheapflights users on 7/27. 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.
Sat 8/229:15 am
YTZ
-
IAD
Nonstop1h 30m
Porter Airlines
Fri 8/2811:25 am
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 7/27$207
This Air Canada deal was found by Cheapflights users on 7/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1210:45 am
YTZ
-
IAD
1 stop4h 16m
Air Canada
Sat 8/155:20 pm
IAD
-
YTZ
Nonstop1h 36m
Air Canada
Deal found 7/27$209
This Air Canada deal was found by Cheapflights users on 7/24. 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 9/310:45 am
YTZ
-
IAD
1 stop4h 10m
Air Canada
Sun 9/65:40 pm
IAD
-
YTZ
Nonstop1h 31m
Air Canada
Deal found 7/24$210
This Cheapflightsfares deal was found by Cheapflights users on 7/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/89:15 am
YTZ
-
IAD
Nonstop1h 30m
Porter Airlines
Tue 8/113:50 pm
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 7/23$211
This Air Canada deal was found by Cheapflights users on 7/26. 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.
Wed 9/1610:30 am
YYZ
-
IAD
1 stop4h 30m
Air Canada
Wed 9/239:55 am
IAD
-
YYZ
Nonstop1h 25m
Air Canada
Deal found 7/26$211
This Air Canada deal was found by Cheapflights users on 7/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1110:45 am
YTZ
-
IAD
1 stop4h 15m
Air Canada
Tue 9/159:45 am
IAD
-
YTZ
1 stop4h 35m
Air Canada
Deal found 7/27$212
This Air Canada deal was found by Cheapflights users on 7/26. 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.
Fri 8/289:00 am
YYZ
-
IAD
1 stop6h 01m
Air Canada
Sun 8/304:20 pm
IAD
-
YYZ
Nonstop1h 30m
Air Canada
Deal found 7/26$212
This Air Canada deal was found by Cheapflights users on 7/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:30 am
YTZ
-
IAD
1 stop6h 31m
Air Canada
Sat 8/293:45 pm
IAD
-
YTZ
1 stop5h 46m
Air Canada
Deal found 7/27$213
This Jettzy deal was found by Cheapflights users on 7/26. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:55 pm
YYZ
-
IAD
Nonstop1h 30m
Air Canada
Wed 9/169:55 am
IAD
-
YYZ
Nonstop1h 25m
Air Canada
Deal found 7/26$213
This Air Canada deal was found by Cheapflights users on 7/26. 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.
Wed 9/910:45 am
YTZ
-
IAD
1 stop4h 15m
Air Canada
Wed 9/169:45 am
IAD
-
YTZ
1 stop4h 25m
Air Canada
Deal found 7/26$214
This Trip.com deal was found by Cheapflights users on 7/23. 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 8/131:55 pm
YYZ
-
IAD
Nonstop1h 29m
Air Canada
Sun 8/164:20 pm
IAD
-
YYZ
Nonstop1h 30m
Air Canada
Deal found 7/23$214
This Cheapflightsfares deal was found by Cheapflights users on 7/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:15 am
YTZ
-
IAD
Nonstop1h 30m
Porter Airlines
Sun 8/163:50 pm
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 7/27$215

Find 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 July 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$209
(Air Canada)

One-way from

$133
(Porter Airlines)

Popular in

March

Cheapest in

October

Average price

$282

Good round-trip deal

$193 or less

Good one-way deal

$142 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. 11% potential increase in price ($35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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 July 28, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 8/27

1:40 pm-3:10 pm

Nonstop1h 30m

Washington, D.C. Dulles Intl

Mon 8/31

11:25 am-12:55 pm

Nonstop1h 30m

$222

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Wed 8/12

9:15 am-10:45 am

Nonstop1h 30m

Washington, D.C. Dulles Intl

Sun 8/16

3:50 pm-5:20 pm

Nonstop1h 30m

$223

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Tue 10/6

9:44 am-11:21 am

Nonstop1h 37m

Washington, D.C. Dulles Intl

Wed 10/7

3:45 pm-9:53 pm

1 stop6h 08m

$236

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Tue 8/11

6:14 pm-11:26 pm

1 stop5h 12m

Washington, D.C. Dulles Intl

Tue 8/18

5:25 pm-11:03 pm

1 stop5h 38m

$237

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Thu 8/20

4:10 pm-11:26 pm

1 stop7h 16m

Washington, D.C. Dulles Intl

Sun 8/23

6:10 am-1:34 pm

1 stop7h 24m

$237

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 8/7

9:15 am-10:45 am

Nonstop1h 30m

Washington, D.C. Dulles Intl

Fri 8/14

3:50 pm-5:20 pm

Nonstop1h 30m

$242

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Thu 9/10

2:58 pm-9:18 pm

Nonstop4h 20m

Washington, D.C. Dulles Intl

Sat 9/19

5:15 pm-10:36 pm

1 stop7h 21m

$271

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Tue 8/18

12:45 pm-2:22 pm

Nonstop1h 37m

Washington, D.C. Dulles Intl

Sat 8/22

1:10 pm-11:59 pm

1 stop10h 49m

$276

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Fri 9/11

7:43 pm-9:24 pm

Nonstop1h 41m

Washington, D.C. Dulles Intl

Tue 9/15

5:17 pm-7:02 pm

Nonstop1h 45m

$279

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Tue 8/18

10:45 am-3:01 pm

1 stop4h 16m

Washington, D.C. Dulles Intl

Sat 8/22

9:45 am-2:21 pm

1 stop4h 36m

$286

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/25

Showing 1-10 of 60 resultsSorted by cheapest first
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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, January is the cheapest month in which you can book a flight from Canada to Washington, D.C. Dulles Intl Airport (average of $297). Flying from Canada to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $375). 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 July 28, 2026.

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 50% versus a flight in the morning.

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 July 28, 2026.

The most flights from CA0 to IAD are scheduled on a Monday (19 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (11 on average).

How often are flights from Canada to Washington, D.C. delayed?

About 16% of weekly flights between Canada and Washington, D.C. have experienced delays in the past year, with the average delay time being 119 minutes.

What is the most punctual flight time for Canada to Washington, D.C. flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Thursday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Canada to Washington, D.C. flights?

Over the last year, United Airlines have had the lowest number of delays on this route, with just 12% of flights being delayed.

How far ahead should I book a flight from Canada to Washington, D.C. Dulles Intl Airport?

The best time to book flights from Canada to Washington, D.C. Dulles Intl Airport is 68 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 July 25, 2026.

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

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 July 28, 2026.
Peruse reviews from past customers who have flown with Porter Airlines,United Airlines, andAir Canada 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
449 reviews

Entertainment

6.9

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.5

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Porter Airlines
8.0
Very good
449 reviews
Porter Airlines
8.0
Very good
449 reviews

Entertainment

6.9

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.5

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
United Airlines
7.4
Good
10,048 reviews
Porter Airlines
8.0
Very good
449 reviews

Entertainment

6.9

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.5

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Air Canada
7.1
Good
11,401 reviews
Porter Airlines
8.0
Very good
449 reviews

Entertainment

6.9

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.5

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

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 30m. Porter Airlines provides one of the quickest options available for as low as $222. 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?

    $105 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Porter Airlines and Air Canada, with prices starting from $117 and $120, 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 (84%), Copa Airlines (84%) or United Airlines (83%) 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 $591 for a flight from Canada to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $138 while the most popular route, (Toronto Pearson Intl - Washington, D.C. Dulles Intl) is currently priced at $218.

  • 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, January is the cheapest month in which you can book a flight from Canada to Washington, D.C. Dulles Intl Airport (average of $297). Flying from Canada to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $375). 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
Owings Mills
Arlington
Tysons
Springfield
Lanham
Reston
Herndon
Rockville
Chantilly
Hyattsville
Fredericksburg
Falls Church
Hanover
Manassas
Laurel
Sterling
Clinton
Hunt Valley
Cordova

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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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Denver to Baltimore flights
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George Bush Intcntl to Reagan-National flights
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Minneapolis to Baltimore flights
Denver to Reagan-National flights
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Detroit to Baltimore flights

Top 3 airlines flying from Canada to Dulles Intl

Discover the top 3 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 July 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$126Average$456FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$160Average$473FlexibilityNo cancel feeOn-time69%
Porter AirlinesCheapest$189Average$271FlexibilityNo cancel feeOn-time52%

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