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$109+ Cheap flights from Dulles Intl (IAD) to Canada

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 5/30. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YYZ
Apr 12 — Apr 191
Sun 4/12
Sun 4/19
1 adult, Economy
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Cheap flight deals from Dulles Intl to Canada

Cheapest flights from Dulles Intl to Canada
Explore the most affordable flight options available from Dulles Intl to Canada. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 13, 2026.

This Trip.com deal was found by Cheapflights users on 3/9. 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 4/26:00 pm
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Mon 4/63:45 pm
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
Deal found 3/9$238
This Trip.com deal was found by Cheapflights users on 3/9. 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.
Mon 4/611:40 am
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Mon 4/139:25 am
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
Deal found 3/9$239
This Trip.com deal was found by Cheapflights users on 3/9. 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 4/2311:40 am
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Thu 4/309:25 am
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
Deal found 3/9$240
This Trip.com deal was found by Cheapflights users on 3/8. 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 4/176:00 pm
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Sun 4/263:45 pm
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
Deal found 3/8$242
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 4/41:45 pm
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Mon 4/63:45 pm
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
Deal found 3/9$243
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Mon 5/411:30 am
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Fri 5/89:15 am
YTZ
-
IAD
Nonstop1h 31m
Porter Airlines
Deal found 3/9$244
This Kiwi.com deal was found by Cheapflights users on 3/8. 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.
Thu 4/1611:40 am
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Sun 4/193:45 pm
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
Deal found 3/8$245
This FlightHub deal was found by Cheapflights users on 3/9. 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.
Fri 4/246:00 pm
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Sun 4/263:45 pm
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
Deal found 3/9$246
This Trip.com deal was found by Cheapflights users on 3/9. 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 4/1611:40 am
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Tue 4/219:25 am
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
Deal found 3/9$247
This Trip.com deal was found by Cheapflights users on 3/9. 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 4/911:40 am
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Wed 4/159:25 am
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
Deal found 3/9$249
This Trip.com deal was found by Cheapflights users on 3/9. 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.
Mon 3/3011:40 am
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Wed 4/19:25 am
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
Deal found 3/9$250
This Mytrip deal was found by Cheapflights users on 3/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/246:00 pm
IAD
-
YUL
1 stop4h 45m
Multiple Airlines
Fri 5/11:05 pm
YUL
-
IAD
Nonstop1h 58m
Multiple Airlines
Deal found 3/9$267

Find flight deals from Dulles Intl to Canada

Keep the following information in mind while searching for Dulles Intl to Canada flight deals. Data was last updated March 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$238
(Trip.com)

One-way from

$109
(Air Canada)

Popular in

November

Cheapest in

June

Average price

$312

Good round-trip deal

$235 or less

Good one-way deal

$98 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Toronto (YTO) flights.
Search Deals
From Washington, D.C. Dulles Intl to Canada
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Canada
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Canada.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Canada.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Canada 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 March 13, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Canada that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Wed 7/1

11:30 am-1:00 pm

Nonstop1h 30m

Toronto Island

Sun 7/5

9:15 am-10:46 am

Nonstop1h 31m

$265

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Tue 6/2

11:30 am-1:00 pm

Nonstop1h 30m

Toronto Island

Fri 6/5

9:15 am-10:46 am

Nonstop1h 31m

$267
Quickest round-trip

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Fri 4/17

6:00 pm-7:30 pm

Nonstop1h 30m

Toronto Island

Sun 4/26

3:45 pm-5:14 pm

Nonstop1h 29m

$279

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Mon 5/4

11:30 am-1:00 pm

Nonstop1h 30m

Toronto Island

Thu 5/7

1:50 pm-3:21 pm

Nonstop1h 31m

$291

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Thu 4/23

11:40 am-1:10 pm

Nonstop1h 30m

Toronto Island

Thu 4/30

9:25 am-10:54 am

Nonstop1h 29m

$291

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Wed 5/6

10:10 pm-12:19 pm

1 stop16h 09m

Calgary

Wed 5/13

1:27 pm-5:28 am

1 stop14h 01m

$299

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Fri 5/8

10:10 pm-12:19 pm

1 stop16h 09m

Calgary

Wed 5/13

1:27 pm-5:28 am

1 stop14h 01m

$299

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Wed 7/1

9:45 am-2:21 pm

1 stop4h 36m

Toronto Island

Sun 7/5

2:55 pm-4:12 pm

Nonstop1h 17m

$323

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Thu 4/23

11:40 am-1:10 pm

Nonstop1h 30m

Toronto Island

Mon 4/27

9:25 am-10:54 am

Nonstop1h 29m

$323

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Thu 5/7

6:00 am-11:19 am

1 stop5h 19m

Toronto Pearson Intl

Sat 5/16

6:10 am-10:22 am

1 stop4h 12m

$327

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Dulles Intl to Canada

Have a flexible travel schedule? Discover the best time to fly to Canada from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Canada

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Canada?

Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Canada (average of $68). Flying from Washington, D.C. Dulles Intl Airport to Canada in February is currently the most expensive (average of $168). 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 IAD to CA?

Find hourly flight availability from Dulles Intl to Canada. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 13, 2026.

When flying from Washington, D.C. Dulles Intl Airport to Canada, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 16% versus a flight in the afternoon.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Canada?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Canada. Price data was last updated on February 21, 2026.

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

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Canada

Explore weekly flight availability from Dulles Intl to Canada. 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 March 13, 2026.

The most flights from IAD to CA0 are scheduled on a Monday (16 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (16 on average).

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

About 14% of weekly flights between Washington, D.C. and Canada have experienced delays in the past year, with the average delay time being 126 minutes.

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

Tuesday 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 Washington, D.C. to Canada flights?

Over the last year, United Airlines have had the lowest number of delays on this route, with just 13% of flights being delayed.

Reviews of airlines servicing Canada

Get insights into the airlines that provide service to Canada. 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 Canada. Reviews last updated March 13, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Canada, such as Porter Airlines,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
423 reviews

Food

7.6

Comfort

8.0

Boarding

8.2

Entertainment

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Porter Airlines
8.0
Very good
423 reviews
Porter Airlines
8.0
Very good
423 reviews

Food

7.6

Comfort

8.0

Boarding

8.2

Entertainment

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Delta
7.9
Good
8,287 reviews
Porter Airlines
8.0
Very good
423 reviews

Food

7.6

Comfort

8.0

Boarding

8.2

Entertainment

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
United Airlines
7.4
Good
9,418 reviews
Porter Airlines
8.0
Very good
423 reviews

Food

7.6

Comfort

8.0

Boarding

8.2

Entertainment

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
WestJet
7.2
Good
3,292 reviews
Porter Airlines
8.0
Very good
423 reviews

Food

7.6

Comfort

8.0

Boarding

8.2

Entertainment

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Canada
7.1
Good
10,800 reviews
Porter Airlines
8.0
Very good
423 reviews

Food

7.6

Comfort

8.0

Boarding

8.2

Entertainment

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Canada. 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 Washington, D.C. Dulles Intl Airport to Canada?

    There are many flights that can get you from Washington, D.C. Dulles Intl Airport to Canada in 1h 30m. Fly via Porter Airlines, United Airlines, or Delta to get the fastest option. The distance from Washington, D.C. Dulles Intl Airport to Canada is about 339 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The cheapest airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to Canada are WestJet ($64), Porter Airlines ($75), and Air Canada ($88).

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

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

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. Dulles Intl Airport to Canada on time: ANA (79%), Copa Airlines (75%), Republic Airways (75%).

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Canada?

    Looking for the cheapest flight from Washington, D.C. Dulles Intl Airport to Canada? While on average our users pay $1,327, our data indicates the cheapest price to be $118. The most popular route (Washington, D.C. Dulles Intl - Vancouver Intl), is priced around $335.

  • Can I find deals for flights from Dulles Intl to Canada that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Canada flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Canada?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Canada.

  • Can I find deals for business class flights from Dulles Intl to Canada?

    Yes. Cheapflights offers flight deals from Dulles Intl to Canada 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 Washington, D.C. Dulles Intl Airport to Canada?

    Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Canada (average of $68). Flying from Washington, D.C. Dulles Intl Airport to Canada in February is currently the most expensive (average of $168). 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

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Alternative routes for Dulles Intl to Canada

See prices for flight routes from nearby airports that may be better suited for you.
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Baltimore to Seattle flights
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Reagan-National to George Bush Intcntl flights
Reagan-National to San Francisco flights
Baltimore to George Bush Intcntl flights
Baltimore to San Francisco flights
Baltimore to Tampa flights
Reagan-National to Tampa flights
Reagan-National to Boston flights
Baltimore to Cancún flights
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Dulles Intl to Austin flights

Top 8 airlines flying from Dulles Intl to Canada

Discover the top 8 airlines that operate flights from Dulles Intl to Canada. 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 March 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$54Average$309FlexibilityNo cancel feeOn-time52%
WestJetCheapest$84Average$384FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$95Average$458FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$117Average$511FlexibilityNo cancel feeOn-time67%
DeltaCheapest$124Average$412FlexibilityNo cancel feeOn-timeN/A
Air TransatCheapest$176Average$245FlexibilityNo cancel feeOn-time50%
American AirlinesCheapest$278Average$437FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$343Average$519FlexibilityNo cancel feeOn-time75%

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