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Dulles Intl

$115+ 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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — IAD
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheap 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 junio 12, 2025.

Round-trip from

$164
(Trip.com)

One-way from

$115
(Booking.com)

Popular in

June

Cheapest in

April

Average price

$304

Good round-trip deal

$181 or less

Good one-way deal

$123 or less
From Canada to Washington, D.C. Dulles Intl
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One-way flight from Canada to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 4% potential increase in price ($11 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Canada to Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from Canada to Washington, D.C. Dulles Intl.
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Find 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 junio 12, 2025.

This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/911:30 amYYC - IAD
Nonstop4h 24mWestJet
mié. 7/306:45 pmIAD - YYC
Nonstop4h 51mWestJet
Deal found 6/10$164
This SmartFares deal was found by Cheapflights users on 6/12. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/108:45 amYTZ - IAD
Nonstop1h 31mPorter Airlines
jue. 8/144:10 pmIAD - YTZ
Nonstop1h 33mPorter Airlines
Deal found 6/12$175
This Air Canada deal was found by Cheapflights users on 6/12. 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.
mié. 7/28:10 amYYZ - IAD
Nonstop1h 27mAir Canada
mar. 7/89:35 amIAD - YYZ
1 stop7h 20mAir Canada
Deal found 6/12$175
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/79:00 amYYZ - IAD
1 stop11h 55mUnited Airlines
mié. 10/88:28 amIAD - YYZ
Nonstop1h 36mUnited Airlines
Deal found 6/11$178
This SmartFares deal was found by Cheapflights users on 6/12. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/118:45 amYTZ - IAD
Nonstop1h 31mAir Transat
lun. 7/144:10 pmIAD - YTZ
Nonstop1h 33mAir Transat
Deal found 6/12$181
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/63:25 pmYTZ - IAD
1 stop5h 40mAir Canada
mié. 9/179:45 amIAD - YTZ
1 stop5h 00mAir Canada
Deal found 6/11$207
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.
mié. 7/166:15 amYYC - IAD
1 stop16h 30mUnited Airlines
lun. 7/216:30 amIAD - YYC
1 stop17h 18mUnited Airlines
Deal found 6/10$210
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/176:04 amYYZ - IAD
1 stop5h 58mDelta
lun. 7/215:23 pmIAD - YYZ
1 stop5h 35mDelta
Deal found 6/10$214
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/241:35 pmYTZ - IAD
Nonstop1h 31mMultiple Airlines
mar. 7/14:10 pmIAD - YTZ
Nonstop1h 33mMultiple Airlines
Deal found 6/11$225
This United 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/2410:05 amYYZ - IAD
Nonstop1h 34mMultiple Airlines
lun. 7/282:25 pmIAD - YYZ
Nonstop1h 36mMultiple Airlines
Deal found 6/10$229
This Kiwi.com deal was found by Cheapflights users on 6/9. 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.
vie. 8/811:30 amYYC - IAD
Nonstop4h 24mMultiple Airlines
dom. 8/1011:58 amIAD - YYC
1 stop10h 04mMultiple Airlines
Deal found 6/9$233
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/211:10 amYYC - IAD
1 stop6h 27mAir Canada
mar. 7/292:25 pmIAD - YYC
1 stop11h 45mAir Canada
Deal found 6/10$234

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 junio 12, 2025.
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

Canada

Fly to

Dulles Intl

Route

Depart

Return

Price

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

mié. 7/9

11:30 am-5:54 pm

Nonstop4h 24m

Washington, D.C. Dulles Intl

mié. 7/30

6:45 pm-9:36 pm

Nonstop4h 51m

$164

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

dom. 8/10

8:45 am-10:16 am

Nonstop1h 31m

Washington, D.C. Dulles Intl

jue. 8/14

4:10 pm-5:43 pm

Nonstop1h 33m

$175

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

mié. 7/2

8:10 am-9:37 am

Nonstop1h 27m

Washington, D.C. Dulles Intl

mar. 7/8

9:35 am-4:55 pm

1 stop7h 20m

$175

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

vie. 7/11

8:45 am-10:16 am

Nonstop1h 31m

Washington, D.C. Dulles Intl

lun. 7/14

4:10 pm-5:43 pm

Nonstop1h 33m

$181

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

vie. 7/11

1:25 pm-2:56 pm

Nonstop1h 31m

Washington, D.C. Dulles Intl

lun. 7/14

11:35 am-1:08 pm

Nonstop1h 33m

$184

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

sáb. 9/6

3:25 pm-9:05 pm

1 stop5h 40m

Washington, D.C. Dulles Intl

mié. 9/17

9:45 am-2:45 pm

1 stop5h 00m

$207

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

mié. 7/16

6:15 am-12:45 am

1 stop16h 30m

Washington, D.C. Dulles Intl

lun. 7/21

6:30 am-9:48 pm

1 stop17h 18m

$210

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

jue. 7/17

6:04 am-12:02 pm

1 stop5h 58m

Washington, D.C. Dulles Intl

lun. 7/21

5:23 pm-10:58 pm

1 stop5h 35m

$214

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

jue. 7/24

10:05 am-11:39 am

Nonstop1h 34m

Washington, D.C. Dulles Intl

lun. 7/28

2:25 pm-4:01 pm

Nonstop1h 36m

$229

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

vie. 8/8

11:30 am-5:54 pm

Nonstop4h 24m

Washington, D.C. Dulles Intl

dom. 8/10

11:58 am-8:02 pm

1 stop10h 04m

$233

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 60 results
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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, August is the cheapest month in which you can book a flight from Canada to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Canada to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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 junio 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Canada to Washington, D.C. Dulles Intl Airport as you normally would.

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 junio 12, 2025.

The most flights from CA0 to IAD are scheduled on a Wednesday (18 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (16 on average).

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 junio 12, 2025.
See what other customers who have flown with Alaska Airlines, Porter Airlines and Delta from Canada to Washington, D.C. have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Porter Airlines
8.0
Very good
288 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Air Transat
7.8
Good
396 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    $115 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on Air Transat and Porter Airlines, with prices starting from $116 and $117, 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, Montreal Pierre Elliott Trudeau Intl - Washington, D.C. Dulles Intl or Toronto Island - 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 ANA (95%), Avianca (89%) or Republic Airways (84%) 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 $361 for a flight from Canada to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $124 while the most popular route, (Toronto Pearson Intl - Washington, D.C. Dulles Intl) is currently priced at $178.

  • 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, August is the cheapest month in which you can book a flight from Canada to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Canada to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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 Canada?

Book flights to Canada if you plan to visit one of these locations
Arlington
Alexandria
Woodbridge
Tysons
Silver Spring
Linthicum Heights
Fredericksburg
Gaithersburg
Fairfax
Falls Church
Easton
Herndon
Towson
Sterling
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National Harbor
Springfield
Manassas

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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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Detroit to Reagan-National flights
Miami to Baltimore flights
John F Kennedy Intl to Reagan-National flights
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Minneapolis to Baltimore flights
Salt Lake City to Dulles Intl flights
LaGuardia to Reagan-National flights
Portland to Reagan-National flights

Top 5 airlines flying from Canada to Dulles Intl

Discover the top 5 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$140Average$380FlexibilityNo cancel feeOn-time69%
Porter AirlinesCheapest$168Average$352FlexibilityNo cancel feeOn-time52%
WestJetCheapest$183Average$380FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$184Average$424FlexibilityNo cancel feeOn-time67%
DeltaCheapest$191Average$371FlexibilityNo cancel feeOn-timeN/A

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