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$82+ Cheap flights from Dulles Intl (IAD) to Calgary (YYC)

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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YYC
Dec 31 — Jan 71
Wed 12/31
Wed 1/7
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Calgary are usually found in September or October, booked 19 days in advance, depart on a Wednesday or Monday and return on a Monday

Cheap flight deals from Dulles Intl to Calgary

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Calgary (YYC). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 1, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$231
(Booking.com)

One-way from

$82
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$650

Good round-trip deal

$530 or less

Good one-way deal

$274 or less
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Calgary flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Calgary flights.
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From Washington, D.C. Dulles Intl to Calgary
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One-way flight from Washington, D.C. Dulles Intl to Calgary
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Highest demand for flights based on searches. 20% potential increase in price ($107 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Calgary.
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Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Calgary.
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Find flight deals from Dulles Intl to Calgary

Cheapest flights from Dulles Intl to Calgary
Explore the most affordable flight options available from Dulles Intl to Calgary. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 1, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/1. 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 12/86:58 pmIAD - YYC
1 stop26h 11mMultiple Airlines
Thu 1/158:55 amYYC - IAD
1 stop20h 56mMultiple Airlines
Deal found 12/1$238
This Kiwi.com deal was found by Cheapflights users on 11/30. 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 12/86:58 pmIAD - YYC
1 stop26h 11mMultiple Airlines
Sun 12/146:30 pmYYC - IAD
1 stop13h 54mMultiple Airlines
Deal found 11/30$340
This Air Canada deal was found by Cheapflights users on 11/30. 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.
Tue 12/99:45 amIAD - YYC
1 stop8h 09mAir Canada
Tue 12/165:35 amYYC - IAD
1 stop8h 11mAir Canada
Deal found 11/30$382
This United Airlines deal was found by Cheapflights users on 11/30. 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.
Sun 12/76:00 pmIAD - YYC
1 stop20h 26mUnited Airlines
Sun 12/146:15 amYYC - IAD
1 stop15h 00mUnited Airlines
Deal found 11/30$391
This Kiwi.com deal was found by Cheapflights users on 12/1. 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 12/316:05 amIAD - YYC
1 stop15h 04mMultiple Airlines
Mon 1/1212:30 amYYC - IAD
1 stop9h 13mMultiple Airlines
Deal found 12/1$395
This Kiwi.com deal was found by Cheapflights users on 12/1. 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 12/316:05 amIAD - YYC
1 stop15h 04mMultiple Airlines
Thu 1/158:55 amYYC - IAD
1 stop20h 56mMultiple Airlines
Deal found 12/1$401
This American Airlines deal was found by Cheapflights users on 12/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:12 amIAD - YYC
2 stops28h 27mAmerican Airlines
Wed 1/146:30 amYYC - IAD
1 stop12h 47mAmerican Airlines
Deal found 12/1$408

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Calgary 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 December 1, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Calgary that are best for you.

Fly from

Dulles Intl

Fly to

Calgary

Route

Depart

Return

Price

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Thu 2/5

7:45 pm-12:26 pm

1 stop18h 41m

Calgary

Mon 2/9

6:15 am-11:22 pm

1 stop15h 07m

$283

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Sat 1/31

9:45 am-8:19 pm

2 stops12h 34m

Calgary

Tue 2/3

8:00 am-8:54 pm

2 stops10h 54m

$285

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Wed 1/21

8:20 am-9:53 pm

2 stops15h 33m

Calgary

Sun 1/25

3:30 pm-7:35 am

1 stop14h 05m

$293

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Sun 3/1

10:10 pm-12:26 pm

1 stop16h 16m

Calgary

Fri 3/6

3:30 pm-7:31 am

1 stop14h 01m

$294

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Sun 1/11

1:08 pm-12:48 pm

2 stops25h 40m

Calgary

Fri 1/16

1:40 pm-10:58 am

2 stops19h 18m

$298

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Sat 1/10

1:05 pm-9:53 pm

2 stops10h 48m

Calgary

Sat 1/17

2:13 pm-11:46 am

2 stops19h 33m

$298

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Thu 1/1

1:57 pm-11:39 am

2 stops23h 42m

Calgary

Mon 1/12

6:30 am-10:58 am

2 stops26h 28m

$303

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Mon 12/8

6:58 pm-7:09 pm

1 stop26h 11m

Calgary

Sun 12/14

6:30 pm-10:24 am

1 stop13h 54m

$340

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Wed 2/4

7:30 am-5:50 pm

1 stop12h 20m

Calgary

Sat 2/7

12:30 am-11:44 am

1 stop9h 14m

$352

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Sat 1/24

10:47 am-7:09 pm

1 stop10h 22m

Calgary

Mon 1/26

12:30 am-11:44 am

1 stop9h 14m

$352

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/30

Showing 1-10 of 21 results
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Compare providers for flights from Dulles Intl to Calgary

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Calgary in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Calgary flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Washington, D.C. Dulles Intl Airport-Calgary flight deals on Cheapflights vs. Justfly.com >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Calgary flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Calgary flights, Cheapflights users trust Justfly.com the most. Justfly.com has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Calgary flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dulles Intl to Calgary

Have a flexible travel schedule? Discover the best time to fly to Calgary 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 Calgary

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Calgary. Price data was last updated on November 28, 2025.

The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Calgary may vary depending on when you book. For the best chance of a lower fare, look to book 19 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Calgary (average of $101). Flying from Washington, D.C. Dulles Intl Airport to Calgary in January is currently the most expensive (average of $354). 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 YYC?

Find hourly flight availability from Dulles Intl to Calgary. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 1, 2025.

One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Calgary is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 51% on airfare.

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Calgary?

The best insider tips for Washington, D.C. Dulles Intl Airport to Calgary flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. Dulles Intl Airport to Calgary trip
Airports
IAD

For a smooth departure from IAD, use the Aerotrain for faster transit between terminals, but be prepared for some walking.

Read more about IADby Ramsey Qubein
YYC

Upon arrival at YYC, consider using the rapid transit bus Route 300 for a quick ride into downtown Calgary.

Read more about YYCby Jenna Scatena
Our travel experts
Jenna Scatena

Jenna Scatena

Expert on YYC

Jenna Scatena

Jenna Scatena

Journalist and Travel Writer, Jenna Scatena is an award-winning travel writer with a love for sharing stories and exploring new places, especially by Vespa. Though she's from San Francisco, she has spent a significant chunk of her vacation days over the last decade eating her way through Texas and sleeping in hotels around the world—especially in California, the Middle East, and Europe.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on IAD

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Reviews of airlines servicing Calgary

Get insights into the airlines that provide service to Calgary. 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 Calgary. Reviews last updated December 1, 2025.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Calgary, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,010 reviews

Food

7.3

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,010 reviews
Delta
7.9
Good
8,010 reviews

Food

7.3

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,057 reviews
Delta
7.9
Good
8,010 reviews

Food

7.3

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,040 reviews
Delta
7.9
Good
8,010 reviews

Food

7.3

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
WestJet
7.2
Good
3,185 reviews
Delta
7.9
Good
8,010 reviews

Food

7.3

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air Canada
7.1
Good
10,490 reviews
Delta
7.9
Good
8,010 reviews

Food

7.3

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Calgary. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Calgary from Washington, D.C. Dulles Intl?

    Located just 5.8 mi from the city center, Calgary is the airport most travelers will use when flying to Calgary from Washington, D.C. Dulles Intl. Booking flights from Washington, D.C. Dulles Intl to Calgary (YYC) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Dulles Intl from 5 different airlines.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Calgary?

    For as low as $285, United Airlines can have you in Calgary from Washington, D.C. Dulles Intl Airport in 12h 34m. There are 1946 mi between Washington, D.C. Dulles Intl Airport and Calgary. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Calgary round-trip?

    Flying on Delta is currently your cheapest option to Calgary, with prices starting at $139. Additional round-trip tickets that might be worth considering are offered by WestJet and Air Canada, with the lowest prices starting at $149 and $162, respectively. Delta is 67% cheaper than the average price of flights available within the next 90 days to this destination.

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

    While on average a flight from Washington, D.C. Dulles Intl Airport to Calgary is generally $435, our data shows the cheapest flight currently is $236. When looking at the most popular route, (Washington, D.C. Dulles Intl - Calgary), you can expect to pay $262 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Calgary 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 Calgary?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Calgary (average of $101). Flying from Washington, D.C. Dulles Intl Airport to Calgary in January is currently the most expensive (average of $354). 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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Top 5 airlines flying from Dulles Intl to Calgary

Discover the top 5 airlines that operate flights from Dulles Intl to Calgary. 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 December 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$139Average$373FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$149Average$352FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$162Average$532FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$267Average$562FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$278Average$437FlexibilityNo cancel feeOn-time71%

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