HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Canada

$96+ 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 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YYZ
Jun 10 — Jun 171
Wed 6/10
Wed 6/17
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Canada with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 May 11, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/6. 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.
Fri 5/2911:30 am
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Fri 6/121:50 pm
YTZ
-
IAD
Nonstop1h 31m
Porter Airlines
Deal found 5/6$193
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 5/284:05 pm
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Wed 6/101:50 pm
YTZ
-
IAD
Nonstop1h 31m
Porter Airlines
Deal found 5/6$194
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/194:00 pm
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Sun 6/211:45 pm
YTZ
-
IAD
Nonstop1h 31m
Porter Airlines
Deal found 5/10$195
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/284:05 pm
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Sun 5/319:15 am
YTZ
-
IAD
Nonstop1h 31m
Porter Airlines
Deal found 5/10$196
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 6/611:30 am
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Tue 6/99:15 am
YTZ
-
IAD
Nonstop1h 31m
Porter Airlines
Deal found 5/9$197
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 6/1311:30 am
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Sun 6/149:15 am
YTZ
-
IAD
Nonstop1h 31m
Porter Airlines
Deal found 5/7$198
This Kiwi.com deal was found by Cheapflights users on 5/8. 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.
Mon 5/254:05 pm
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Mon 6/89:15 am
YTZ
-
IAD
Nonstop1h 31m
Porter Airlines
Deal found 5/8$199
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 5/274:05 pm
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Fri 6/51:50 pm
YTZ
-
IAD
Nonstop1h 31m
Porter Airlines
Deal found 5/6$200
This Kiwi.com deal was found by Cheapflights users on 5/8. 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.
Wed 5/274:05 pm
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Mon 6/89:15 am
YTZ
-
IAD
Nonstop1h 31m
Porter Airlines
Deal found 5/8$201
This Trip.com deal was found by Cheapflights users on 5/9. 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.
Wed 5/274:05 pm
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Wed 6/31:50 pm
YTZ
-
IAD
Nonstop1h 31m
Porter Airlines
Deal found 5/9$202
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 5/274:05 pm
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Tue 6/29:15 am
YTZ
-
IAD
Nonstop1h 31m
Porter Airlines
Deal found 5/6$203
This Trip.com deal was found by Cheapflights users on 5/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/54:05 pm
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Sun 6/79:15 am
YTZ
-
IAD
Nonstop1h 31m
Porter Airlines
Deal found 5/10$204

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 May 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$193
(Kiwi.com)

One-way from

$96
(Kiwi.com)

Popular in

November

Cheapest in

June

Average price

$321

Good round-trip deal

$230 or less

Good one-way deal

$96 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. 3% potential increase in price ($10 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 May 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 May 11, 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

Tue 6/9

11:30 am-1:00 pm

Nonstop1h 30m

Toronto Island

Thu 6/11

1:50 pm-3:21 pm

Nonstop1h 31m

$237

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Tue 6/2

10:14 pm-11:54 pm

Nonstop1h 40m

Toronto Pearson Intl

Wed 6/3

9:35 am-11:11 am

Nonstop1h 36m

$246

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Fri 6/5

6:00 am-1:30 pm

1 stop7h 30m

Toronto Pearson Intl

Mon 6/8

2:29 pm-11:14 pm

1 stop8h 45m

$271

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Thu 5/28

8:29 am-1:47 pm

1 stop5h 18m

Toronto Pearson Intl

Thu 6/4

7:00 pm-11:19 pm

1 stop4h 19m

$271

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Mon 7/6

11:30 am-1:00 pm

Nonstop1h 30m

Toronto Island

Thu 7/9

9:15 am-10:46 am

Nonstop1h 31m

$285
Quickest round-trip

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Thu 7/2

5:15 pm-6:42 pm

Nonstop1h 27m

Toronto Island

Tue 7/7

2:55 pm-4:12 pm

Nonstop1h 17m

$291

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Fri 5/29

10:05 pm-11:39 am

1 stop13h 34m

Toronto Island

Mon 6/1

2:55 pm-4:12 pm

Nonstop1h 17m

$301

Washington, D.C.Abbotsford

IAD - YXX

IADYXX

Washington, D.C. Dulles Intl

Fri 8/21

7:00 pm-3:05 pm

1 stop23h 05m

Abbotsford

Fri 8/28

6:00 am-6:10 pm

1 stop9h 10m

$304

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Sat 6/6

5:15 pm-6:42 pm

Nonstop1h 27m

Toronto Island

Tue 6/9

10:45 am-4:35 pm

1 stop5h 50m

$306

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Tue 6/16

5:15 pm-6:42 pm

Nonstop1h 27m

Toronto Island

Fri 6/19

6:10 pm-7:26 am

1 stop13h 16m

$306

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/7

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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

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

The best time to book flights from Washington, D.C. Dulles Intl Airport to Canada is 73 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 month to book a flight from Washington, D.C. Dulles Intl Airport to Canada?

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Canada (average of $57). Flying from Washington, D.C. Dulles Intl Airport to Canada in October is currently the most expensive (average of $2,261). 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 May 11, 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 18% 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 May 9, 2026.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Canada flight should consider departing on Sunday evenings 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 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 May 11, 2026.

The most flights from IAD to CA0 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 (16 on average).

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

About 15% of weekly flights between Washington, D.C. and Canada have experienced delays in the past year, with the average delay time being 125 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 in the evening 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 Saturday 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 May 11, 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
436 reviews

Entertainment

7.0

Comfort

8.0

Overall

8.0

Food

7.6

Boarding

8.2

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
436 reviews
Porter Airlines
8.0
Very good
436 reviews

Entertainment

7.0

Comfort

8.0

Overall

8.0

Food

7.6

Boarding

8.2

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
8,452 reviews
Porter Airlines
8.0
Very good
436 reviews

Entertainment

7.0

Comfort

8.0

Overall

8.0

Food

7.6

Boarding

8.2

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
9,698 reviews
Porter Airlines
8.0
Very good
436 reviews

Entertainment

7.0

Comfort

8.0

Overall

8.0

Food

7.6

Boarding

8.2

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
3,332 reviews
Porter Airlines
8.0
Very good
436 reviews

Entertainment

7.0

Comfort

8.0

Overall

8.0

Food

7.6

Boarding

8.2

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
11,017 reviews
Porter Airlines
8.0
Very good
436 reviews

Entertainment

7.0

Comfort

8.0

Overall

8.0

Food

7.6

Boarding

8.2

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 ($65), Porter Airlines ($80), and United Airlines ($91).

  • 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 (84%), Republic Airways (81%), Air Canada (79%).

  • 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 $1,044, our data indicates the cheapest price to be $96. The most popular route (Washington, D.C. Dulles Intl - Vancouver Intl), is priced around $424.

  • 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, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Canada (average of $57). Flying from Washington, D.C. Dulles Intl Airport to Canada in October is currently the most expensive (average of $2,261). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Canada

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Seattle flights
Dulles Intl to Dallas/Fort Worth flights
Reagan-National to Seattle flights
Baltimore to Dallas/Fort Worth flights
Dulles Intl to Las Vegas flights
Baltimore to Hobby flights
Baltimore to Los Angeles flights
Baltimore to Orlando flights
Baltimore to Atlanta flights
Reagan-National to Miami flights
Baltimore to Miami flights
Reagan-National to Los Angeles flights
Dulles Intl to Orlando flights
Baltimore to Seattle flights
Baltimore to Fort Lauderdale flights
Dulles Intl to Denver flights
Dulles Intl to Miami flights
Reagan-National to O'Hare Intl flights
Dulles Intl to Cancún flights
Reagan-National to Orlando flights
Reagan-National to Las Vegas flights
Dulles Intl to Los Angeles flights
Baltimore to Las Vegas flights
Baltimore to O'Hare Intl flights
Dulles Intl to Fort Lauderdale flights
Dulles Intl to Hobby flights
Baltimore to Boston flights
Dulles Intl to O'Hare Intl flights
Reagan-National to Dallas/Fort Worth flights
Dulles Intl to San Francisco flights
Baltimore to Denver flights
Dulles Intl to Boston flights
Dulles Intl to Atlanta flights
Baltimore to Cancún flights
Reagan-National to Boston flights
Baltimore to George Bush Intcntl flights
Baltimore to San Francisco flights
Dulles Intl to Tampa flights
Reagan-National to Hobby flights
Reagan-National to San Francisco flights
Dulles Intl to Midway flights
Dulles Intl to New Orleans flights
Baltimore to Tampa flights
Dulles Intl to San Diego flights
Reagan-National to George Bush Intcntl flights
Dulles Intl to George Bush Intcntl flights
Reagan-National to Fort Lauderdale flights
Reagan-National to Nashville flights
Reagan-National to Atlanta flights
Reagan-National to Cancún 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 May 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$54Average$283FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$95Average$486FlexibilityNo cancel feeOn-time69%
DeltaCheapest$100Average$396FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$113Average$448FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$113Average$523FlexibilityNo cancel feeOn-time67%
Air TransatCheapest$211Average$246FlexibilityNo cancel feeOn-time50%
American AirlinesCheapest$278Average$433FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$361Average$576FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.