Calgary

$70+ 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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YYC
Oct 16 — Oct 231
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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 69 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 September 16, 2025.

Round-trip from

$220
(Kiwi.com)

One-way from

$70
(Expedia)

Popular in

January

Cheapest in

September

Average price

$342

Good round-trip deal

$251 or less

Good one-way deal

$142 or less
From Washington, D.C. Dulles Intl to Calgary
One-way flight from Washington, D.C. Dulles Intl to Calgary
Highest demand for flights based on searches. 7% potential increase in price ($31 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in September 2025
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Calgary.
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Calgary.

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 September 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/36:45 pmIAD - YYC
Nonstop4h 54mMultiple Airlines
Mon 10/1312:30 amYYC - IAD
1 stop17h 16mMultiple Airlines
Deal found 9/15$220
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 9/296:45 pmIAD - YYC
Nonstop4h 54mMultiple Airlines
Mon 10/611:35 pmYYC - IAD
2 stops42h 11mMultiple Airlines
Deal found 9/15$224
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Mon 10/610:10 pmIAD - YYC
1 stop15h 28mUnited Airlines
Wed 10/83:49 pmYYC - IAD
1 stop11h 47mUnited Airlines
Deal found 9/15$232
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 9/226:45 pmIAD - YYC
Nonstop4h 54mMultiple Airlines
Thu 9/2511:00 amYYC - IAD
3 stops20h 17mMultiple Airlines
Deal found 9/13$238
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 9/226:45 pmIAD - YYC
Nonstop4h 54mMultiple Airlines
Mon 9/2911:15 amYYC - IAD
2 stops11h 00mMultiple Airlines
Deal found 9/13$239
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 10/110:05 pmIAD - YYC
1 stop16h 14mUnited Airlines
Wed 10/221:30 pmYYC - IAD
2 stops20h 25mUnited Airlines
Deal found 9/14$241
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/36:45 pmIAD - YYC
Nonstop4h 54mMultiple Airlines
Fri 10/1712:15 pmYYC - IAD
2 stops30h 38mMultiple Airlines
Deal found 9/15$248
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/36:45 pmIAD - YYC
Nonstop4h 54mWestJet
Fri 10/1711:30 amYYC - IAD
Nonstop4h 20mWestJet
Deal found 9/15$249
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/36:45 pmIAD - YYC
Nonstop4h 54mMultiple Airlines
Sat 10/187:00 amYYC - IAD
3 stops14h 29mMultiple Airlines
Deal found 9/15$252
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/229:00 amIAD - YYC
1 stop13h 00mMultiple Airlines
Tue 10/288:55 amYYC - IAD
1 stop9h 25mMultiple Airlines
Deal found 9/14$253
This Air Canada deal was found by Cheapflights users on 9/14. 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 10/142:25 pmIAD - YYC
1 stop12h 47mAir Canada
Fri 10/1712:20 amYYC - IAD
1 stop7h 18mAir Canada
Deal found 9/14$254
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/176:45 pmIAD - YYC
Nonstop4h 54mMultiple Airlines
Sun 10/1912:30 amYYC - IAD
2 stops11h 55mMultiple Airlines
Deal found 9/15$255

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 September 16, 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

Mon 10/6

10:10 pm-11:38 am

1 stop15h 28m

Calgary

Mon 10/20

3:49 pm-8:15 am

1 stop14h 26m

$232

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Wed 10/1

10:05 pm-12:19 pm

1 stop16h 14m

Calgary

Wed 10/22

1:30 pm-11:55 am

2 stops20h 25m

$241

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Tue 10/21

6:30 am-11:38 am

1 stop7h 08m

Calgary

Tue 10/28

3:30 pm-5:27 am

1 stop11h 57m

$258

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Wed 10/22

10:05 pm-12:19 pm

1 stop16h 14m

Calgary

Thu 10/30

3:30 pm-5:27 am

1 stop11h 57m

$258

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Tue 3/10

10:07 pm-11:54 am

1 stop15h 47m

Calgary

Wed 3/11

3:30 pm-6:39 am

1 stop13h 09m

$278

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Wed 10/29

7:35 am-5:50 pm

1 stop12h 15m

Calgary

Fri 10/31

9:45 pm-10:11 am

2 stops10h 26m

$290

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Sat 1/10

2:24 pm-9:53 pm

1 stop9h 29m

Calgary

Sat 1/17

3:30 pm-7:35 am

1 stop14h 05m

$290

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Sat 10/11

3:33 pm-12:44 am

2 stops11h 11m

Calgary

Mon 10/20

9:45 am-7:18 pm

1 stop7h 33m

$295

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Sat 11/8

6:03 pm-12:26 pm

1 stop20h 23m

Calgary

Wed 11/12

3:30 pm-5:27 am

1 stop11h 57m

$295

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Fri 10/3

6:45 pm-9:39 pm

Nonstop4h 54m

$70

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 16 results
1
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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

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 September 12, 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 69 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, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Calgary (average of $300). Flying from Washington, D.C. Dulles Intl Airport to Calgary in February is currently the most expensive (average of $405). 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 September 16, 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.

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 September 16, 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.
8.0
Very good

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $232, United Airlines can have you in Calgary from Washington, D.C. Dulles Intl Airport in 15h 28m. There are 1946 mi between Washington, D.C. Dulles Intl Airport and Calgary.

  • 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 $141. Additional round-trip tickets that might be worth considering are offered by WestJet and Air Canada, with the lowest prices starting at $148 and $162, respectively. Delta is 64% cheaper than the average price of flights available within the next 90 days to this destination.

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

    Before booking your flight to Calgary from Washington, D.C. Dulles Intl Airport, check out the most reliable airlines to get you to your destination on time: Air Canada (82%), United Airlines (82%), WestJet( 24%).

  • 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 $324, our data shows the cheapest flight currently is $76. When looking at the most popular route, (Washington, D.C. Dulles Intl - Calgary), you can expect to pay $215 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, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Calgary (average of $300). Flying from Washington, D.C. Dulles Intl Airport to Calgary in February is currently the most expensive (average of $405). 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 Calgary?

Book flights to Calgary if you plan to visit one of these locations
Canmore
Airdrie

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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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$141Average$386FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$148Average$348FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$162Average$506FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$257Average$565FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$279Average$404FlexibilityNo cancel feeOn-time71%

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