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Dulles Intl

$131+ 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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — IAD
Jul 15 — Jul 221
Wed 7/15
Wed 7/22
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 June 15, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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.
Fri 7/101:40 pm
YTZ
-
IAD
Nonstop1h 31m
Porter Airlines
Fri 7/173:55 pm
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 6/10$207
This Super.com deal was found by Cheapflights users on 6/11. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/21:40 pm
YTZ
-
IAD
Nonstop1h 31m
Porter Airlines
Mon 7/63:55 pm
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 6/11$210
This Cheapflightsfares deal was found by Cheapflights users on 6/15. 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.
Fri 7/31:40 pm
YTZ
-
IAD
Nonstop1h 31m
Porter Airlines
Tue 7/711:05 am
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 6/15$211
This iWofly deal was found by Cheapflights users on 6/14. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/291:40 pm
YTZ
-
IAD
Nonstop1h 31m
Porter Airlines
Wed 8/53:50 pm
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 6/14$212
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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.
Fri 6/269:15 am
YTZ
-
IAD
Nonstop1h 31m
Porter Airlines
Mon 6/294:00 pm
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 6/10$213
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 6/259:15 am
YTZ
-
IAD
Nonstop1h 31m
Porter Airlines
Tue 6/304:00 pm
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 6/10$214
This Justfly.com deal was found by Cheapflights users on 6/10. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/48:55 am
YTZ
-
IAD
Nonstop1h 30m
Porter Airlines
Tue 7/1411:05 am
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 6/10$215
This Flightnetwork deal was found by Cheapflights users on 6/10. 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.
Thu 7/28:55 am
YTZ
-
IAD
Nonstop1h 30m
Porter Airlines
Sun 7/511:05 am
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 6/10$216
This Trip.com deal was found by Cheapflights users on 6/14. 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.
Sat 7/111:40 pm
YTZ
-
IAD
Nonstop1h 31m
Porter Airlines
Sun 7/123:55 pm
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 6/14$217
This Justfly.com deal was found by Cheapflights users on 6/11. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/98:55 am
YTZ
-
IAD
Nonstop1h 30m
Porter Airlines
Thu 7/233:55 pm
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 6/11$219
This United Airlines deal was found by Cheapflights users on 6/13. 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.
Sat 9/127:43 pm
YYZ
-
IAD
Nonstop1h 41m
United Airlines
Sun 9/138:20 am
IAD
-
YYZ
1 stop7h 26m
United Airlines
Deal found 6/13$234
This United Airlines deal was found by Cheapflights users on 6/10. 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 10/205:27 pm
YYZ
-
IAD
1 stop5h 25m
United Airlines
Wed 10/218:28 am
IAD
-
YYZ
Nonstop1h 36m
United Airlines
Deal found 6/10$235

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 June 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$207
(Cheapflightsfares)

One-way from

$131
(Mytrip)

Popular in

March

Cheapest in

October

Average price

$281

Good round-trip deal

$176 or less

Good one-way deal

$139 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. 12% potential increase in price ($36 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 June 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 June 15, 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

Fri 7/10

1:40 pm-3:11 pm

Nonstop1h 31m

Washington, D.C. Dulles Intl

Fri 7/17

3:55 pm-5:25 pm

Nonstop1h 30m

$207

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Tue 10/6

7:43 pm-9:24 pm

Nonstop1h 41m

Washington, D.C. Dulles Intl

Wed 10/7

9:55 am-11:20 am

Nonstop1h 25m

$263

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Thu 8/13

12:45 pm-2:22 pm

Nonstop1h 37m

Washington, D.C. Dulles Intl

Sat 8/15

3:40 pm-8:44 pm

1 stop5h 04m

$276

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Wed 7/1

12:45 pm-2:21 pm

Nonstop1h 36m

Washington, D.C. Dulles Intl

Wed 7/8

8:25 am-10:04 am

Nonstop1h 39m

$276

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Fri 7/3

8:45 am-4:30 pm

1 stop7h 45m

Washington, D.C. Dulles Intl

Mon 7/6

3:45 pm-9:55 pm

1 stop6h 10m

$276

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Thu 7/16

8:45 am-2:12 pm

1 stop5h 27m

Washington, D.C. Dulles Intl

Sun 7/26

8:25 am-10:04 am

Nonstop1h 39m

$282

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Thu 9/3

9:44 am-11:21 am

Nonstop1h 37m

Washington, D.C. Dulles Intl

Mon 9/7

12:43 pm-2:19 pm

Nonstop1h 36m

$282

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Thu 10/8

9:44 am-11:21 am

Nonstop1h 37m

Washington, D.C. Dulles Intl

Sun 10/11

8:20 am-3:46 pm

1 stop7h 26m

$287

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Fri 10/30

7:40 pm-9:05 pm

Nonstop1h 25m

Washington, D.C. Dulles Intl

Mon 11/2

9:55 am-4:40 pm

1 stop6h 45m

$290

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sat 7/4

2:20 pm-8:55 pm

1 stop6h 35m

Washington, D.C. Dulles Intl

Mon 7/6

5:15 pm-6:46 pm

Nonstop1h 31m

$299

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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, September is the cheapest month in which you can book a flight from Canada to Washington, D.C. Dulles Intl Airport (average of $75). Flying from Canada to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $670). 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 June 15, 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 53% 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 June 15, 2026.

The most flights from CA0 to IAD are scheduled on a Monday (19 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (15 on average).

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

About 15% of weekly flights between Canada and Washington, D.C. have experienced delays in the past year, with the average delay time being 120 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 78 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 June 13, 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. Wednesday evenings 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 June 15, 2026.
Peruse reviews from past customers who have flown with Porter Airlines,United Airlines, andWestJet 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
438 reviews

Food

7.6

Crew

8.6

Entertainment

6.9

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Porter Airlines
8.0
Very good
438 reviews
Porter Airlines
8.0
Very good
438 reviews

Food

7.6

Crew

8.6

Entertainment

6.9

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
United Airlines
7.4
Good
9,828 reviews
Porter Airlines
8.0
Very good
438 reviews

Food

7.6

Crew

8.6

Entertainment

6.9

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
WestJet
7.2
Good
3,361 reviews
Porter Airlines
8.0
Very good
438 reviews

Food

7.6

Crew

8.6

Entertainment

6.9

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Air Canada
7.1
Good
11,193 reviews
Porter Airlines
8.0
Very good
438 reviews

Food

7.6

Crew

8.6

Entertainment

6.9

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.

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 31m. Porter Airlines provides one of the quickest options available for as low as $207. 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?

    $101 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 WestJet and Air Canada, with prices starting from $105 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 Vancouver 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 Copa Airlines (93%), Republic Airways (93%) or Avianca (92%) 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 $341 for a flight from Canada to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $149 while the most popular route, (Toronto Pearson Intl - Washington, D.C. Dulles Intl) is currently priced at $252.

  • 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 $75). Flying from Canada to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $670). 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
Tysons
Owings Mills
Springfield
Arlington
Reston
Rockville
Herndon
Fredericksburg
Laurel
Hyattsville
Manassas
Hanover
Chantilly
Lanham
Falls Church
Waldorf
Silver Spring
Largo
Clinton

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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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Orlando to Reagan-National flights
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Minneapolis to Dulles Intl flights
Minneapolis to Reagan-National flights
Miami to Dulles Intl flights
Tampa to Baltimore flights
Tampa to Reagan-National flights
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Miami to Baltimore flights
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San Diego to Dulles Intl flights
Miami to Reagan-National flights
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Detroit to Baltimore flights

Top 4 airlines flying from Canada to Dulles Intl

Discover the top 4 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 June 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$126Average$419FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$134Average$472FlexibilityNo cancel feeOn-time69%
WestJetCheapest$168Average$429FlexibilityNo cancel feeOn-time60%
Porter AirlinesCheapest$189Average$286FlexibilityNo cancel feeOn-time52%

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