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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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YYZ
Aug 8 — Aug 151
Sat 8/8
Sat 8/15
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 July 9, 2026.

This Vliegwinkel deal was found by Cheapflights users on 7/8. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:20 pm
IAD
-
YTZ
Nonstop1h 36m
Multiple Airlines
Tue 8/259:15 am
YTZ
-
IAD
Nonstop1h 30m
Multiple Airlines
Deal found 7/8$227
This deal was found by Cheapflights users on 7/6. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:15 pm
IAD
-
YTZ
Nonstop1h 30m
Air Canada
Sun 12/63:15 pm
YTZ
-
IAD
Nonstop1h 18m
Air Canada
Deal found 7/6$229
This Vliegwinkel deal was found by Cheapflights users on 7/9. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/255:20 pm
IAD
-
YTZ
Nonstop1h 36m
Multiple Airlines
Mon 7/271:40 pm
YTZ
-
IAD
Nonstop1h 31m
Multiple Airlines
Deal found 7/9$232
This Vliegwinkel deal was found by Cheapflights users on 7/8. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/245:20 pm
IAD
-
YTZ
Nonstop1h 36m
Multiple Airlines
Mon 7/271:40 pm
YTZ
-
IAD
Nonstop1h 31m
Multiple Airlines
Deal found 7/8$233
This Air Canada deal was found by Cheapflights users on 7/8. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/15:20 pm
IAD
-
YTZ
Nonstop1h 36m
Air Canada
Wed 8/53:15 pm
YTZ
-
IAD
Nonstop1h 26m
Air Canada
Deal found 7/8$236
This Air Canada deal was found by Cheapflights users on 7/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/199:45 am
IAD
-
YTZ
1 stop4h 36m
Air Canada
Mon 8/243:15 pm
YTZ
-
IAD
Nonstop1h 26m
Air Canada
Deal found 7/9$244
This Air Canada deal was found by Cheapflights users on 7/8. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/264:20 pm
IAD
-
YYZ
Nonstop1h 30m
Air Canada
Thu 7/301:55 pm
YYZ
-
IAD
Nonstop1h 29m
Air Canada
Deal found 7/8$244
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 8/1911:25 am
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Wed 8/269:15 am
YTZ
-
IAD
Nonstop1h 30m
Porter Airlines
Deal found 7/5$245
This Kiwi.com deal was found by Cheapflights users on 7/4. 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 8/511:25 am
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Thu 8/131:40 pm
YTZ
-
IAD
Nonstop1h 30m
Porter Airlines
Deal found 7/4$246
This Trip.com deal was found by Cheapflights users on 7/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/43:50 pm
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Sat 8/81:40 pm
YTZ
-
IAD
Nonstop1h 30m
Porter Airlines
Deal found 7/6$247
This Traveloka deal was found by Cheapflights users on 7/6. 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 Traveloka is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/213:50 pm
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Fri 8/281:40 pm
YTZ
-
IAD
Nonstop1h 30m
Porter Airlines
Deal found 7/6$248
This Trip.com deal was found by Cheapflights users on 7/5. 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 8/111:25 am
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Tue 8/41:40 pm
YTZ
-
IAD
Nonstop1h 30m
Porter Airlines
Deal found 7/5$249

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 July 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$227
(Vliegwinkel)

One-way from

$109
(Air Canada)

Popular in

May

Cheapest in

January

Average price

$300

Good round-trip deal

$246 or less

Good one-way deal

$133 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. 2% potential increase in price ($8 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 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 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 July 9, 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

Sun 7/26

11:05 am-12:35 pm

Nonstop1h 30m

Toronto Island

Thu 7/30

8:55 am-10:25 am

Nonstop1h 30m

$300

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Tue 9/1

10:19 pm-11:54 pm

Nonstop1h 35m

Toronto Pearson Intl

Wed 9/2

12:45 pm-2:22 pm

Nonstop1h 37m

$330

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Thu 8/20

11:25 am-12:55 pm

Nonstop1h 30m

Toronto Island

Thu 8/27

1:40 pm-3:10 pm

Nonstop1h 30m

$332

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Tue 9/8

5:15 pm-10:59 pm

1 stop5h 44m

Toronto Pearson Intl

Wed 9/16

4:05 pm-11:14 pm

1 stop7h 09m

$334

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Wed 8/26

2:43 pm-9:48 pm

1 stop9h 05m

Calgary

Sun 8/30

8:00 am-9:23 am

2 stops23h 23m

$335

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Wed 8/12

12:29 pm-5:35 pm

1 stop5h 06m

Toronto Pearson Intl

Sat 8/15

6:00 am-11:49 am

1 stop5h 49m

$345

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Thu 9/10

9:07 am-11:58 am

Nonstop4h 51m

Calgary

Mon 9/14

2:58 pm-9:18 pm

Nonstop4h 20m

$356

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Mon 7/27

6:00 am-1:34 pm

1 stop7h 34m

Toronto Pearson Intl

Thu 7/30

4:10 pm-11:13 pm

1 stop7h 03m

$356

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Fri 9/11

9:07 am-11:58 am

Nonstop4h 51m

Calgary

Tue 9/15

2:58 pm-9:18 pm

Nonstop4h 20m

$356

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Thu 9/17

8:20 am-10:36 pm

1 stop16h 16m

Calgary

Tue 9/22

2:58 pm-9:18 pm

Nonstop4h 20m

$366

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/8

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, 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 $1,067). 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 July 9, 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 in the afternoon, which can drop the price by up to 9% versus a flight at noon.

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 July 9, 2026.

The most flights from IAD to CA0 are scheduled on a Wednesday (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 122 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 12% of flights being delayed.

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 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 July 4, 2026.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Canada flight should consider departing on Friday at noon 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.

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 July 9, 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
7.9
Good
442 reviews

Comfort

7.9

Crew

8.6

Overall

7.9

Entertainment

6.9

Boarding

8.2

Food

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
Porter Airlines
7.9
Good
442 reviews
Porter Airlines
7.9
Good
442 reviews

Comfort

7.9

Crew

8.6

Overall

7.9

Entertainment

6.9

Boarding

8.2

Food

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
Delta
7.8
Good
8,454 reviews
Porter Airlines
7.9
Good
442 reviews

Comfort

7.9

Crew

8.6

Overall

7.9

Entertainment

6.9

Boarding

8.2

Food

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
United Airlines
7.4
Good
9,958 reviews
Porter Airlines
7.9
Good
442 reviews

Comfort

7.9

Crew

8.6

Overall

7.9

Entertainment

6.9

Boarding

8.2

Food

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
WestJet
7.2
Good
3,404 reviews
Porter Airlines
7.9
Good
442 reviews

Comfort

7.9

Crew

8.6

Overall

7.9

Entertainment

6.9

Boarding

8.2

Food

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
Air Canada
7.1
Good
11,321 reviews
Porter Airlines
7.9
Good
442 reviews

Comfort

7.9

Crew

8.6

Overall

7.9

Entertainment

6.9

Boarding

8.2

Food

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!

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 ($83), and Air Canada ($91).

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

    Most travelers choose Washington, D.C. Dulles Intl - Toronto Pearson Intl, Washington, D.C. Dulles Intl - Montreal Pierre Elliott Trudeau Intl or Washington, D.C. Dulles Intl - Vancouver 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 (89%), United Airlines (84%), Copa Airlines (81%).

  • 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 $2,080, our data indicates the cheapest price to be $127. The most popular route (Washington, D.C. Dulles Intl - Toronto Pearson Intl), is priced around $269.

  • 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 $1,067). 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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Reagan-National to Boston flights
Baltimore to Las Vegas flights
Reagan-National to Las Vegas flights
Reagan-National to Atlanta flights
Baltimore to Fort Lauderdale flights
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Reagan-National to Hobby flights
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Reagan-National to San Francisco flights
Baltimore to Atlanta flights
Baltimore to George Bush Intcntl flights
Baltimore to Midway flights
Reagan-National to Fort Lauderdale flights
Baltimore to San Francisco flights
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Dulles Intl to Midway flights
Reagan-National to Nashville flights
Dulles Intl to Tampa flights
Dulles Intl to Hobby flights
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Baltimore to Tampa flights
Baltimore to Kansas City 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 July 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$54Average$284FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$95Average$542FlexibilityNo cancel feeOn-time69%
DeltaCheapest$106Average$384FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$113Average$547FlexibilityNo cancel feeOn-time67%
WestJetCheapest$125Average$473FlexibilityNo cancel feeOn-time60%
Air TransatCheapest$211Average$263FlexibilityNo cancel feeOn-time50%
American AirlinesCheapest$294Average$445FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$343Average$545FlexibilityNo cancel feeOn-time75%

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