Calgary

$90+ 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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YYC
Aug 18 — Aug 251
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Calgary are usually found in September or March, booked 16 days in advance, depart on a Wednesday or Monday and return on a Thursday

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 August 13, 2025.

Round-trip from

$164
(Trip.com)

One-way from

$90
(United Airlines)

Popular in

January

Cheapest in

September

Average price

$445

Good round-trip deal

$292 or less

Good one-way deal

$141 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. 8% potential increase in price ($38 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 August 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 August 13, 2025.

This Trip.com deal was found by Cheapflights users on 8/11. 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.
Fri 9/55:10 pmIAD - YYC
1 stop7h 43mMultiple Airlines
Mon 9/811:30 amYYC - IAD
Nonstop4h 20mMultiple Airlines
Deal found 8/11$164
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/266:45 pmIAD - YYC
Nonstop4h 54mWestJet
Fri 10/311:30 amYYC - IAD
Nonstop4h 20mWestJet
Deal found 8/12$165
This Trip.com deal was found by Cheapflights users on 8/11. 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.
Fri 9/56:45 pmIAD - YYC
Nonstop4h 54mWestJet
Mon 9/811:30 amYYC - IAD
Nonstop4h 20mWestJet
Deal found 8/11$166
This United Airlines deal was found by Cheapflights users on 8/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2310:05 pmIAD - YYC
1 stop16h 14mUnited Airlines
Mon 10/273:30 pmYYC - IAD
1 stop11h 57mUnited Airlines
Deal found 8/13$183
This United Airlines deal was found by Cheapflights users on 8/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/65:15 pmIAD - YYC
1 stop7h 38mUnited Airlines
Fri 9/123:49 pmYYC - IAD
1 stop13h 11mUnited Airlines
Deal found 8/12$193
This United Airlines deal was found by Cheapflights users on 8/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/610:14 pmIAD - YYC
2 stops16h 04mUnited Airlines
Tue 10/73:49 pmYYC - IAD
1 stop14h 26mUnited Airlines
Deal found 8/13$203
This United Airlines deal was found by Cheapflights users on 8/11. 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.
Sun 8/319:13 amIAD - YYC
Nonstop4h 47mUnited Airlines
Wed 9/36:15 amYYC - IAD
1 stop7h 19mUnited Airlines
Deal found 8/11$206
This United Airlines deal was found by Cheapflights users on 8/11. 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.
Wed 12/310:10 pmIAD - YYC
2 stops16h 16mUnited Airlines
Wed 12/102:13 pmYYC - IAD
2 stops19h 31mUnited Airlines
Deal found 8/11$208
This United deal was found by Cheapflights users on 8/12. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/65:15 pmIAD - YYC
1 stop7h 38mMultiple Airlines
Sun 10/51:10 amYYC - IAD
1 stop6h 28mMultiple Airlines
Deal found 8/12$209
This United Airlines deal was found by Cheapflights users on 8/11. 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.
Mon 8/259:13 amIAD - YYC
Nonstop4h 47mUnited Airlines
Fri 8/292:55 pmYYC - IAD
Nonstop4h 21mUnited Airlines
Deal found 8/11$213

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 August 13, 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

Fri 10/3

6:45 pm-9:39 pm

Nonstop4h 54m

Calgary

Fri 10/17

11:30 am-5:50 pm

Nonstop4h 20m

$166

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Fri 9/5

6:45 pm-9:39 pm

Nonstop4h 54m

Calgary

Mon 9/8

11:30 am-5:50 pm

Nonstop4h 20m

$168

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Tue 10/28

10:10 pm-2:21 pm

1 stop18h 11m

Calgary

Tue 11/4

3:30 pm-5:27 am

1 stop11h 57m

$183

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Sat 11/8

3:59 pm-9:53 pm

1 stop7h 54m

Calgary

Wed 11/12

3:30 pm-5:27 am

1 stop11h 57m

$183

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Thu 10/23

10:10 pm-11:38 am

1 stop15h 28m

Calgary

Mon 10/27

3:30 pm-5:27 am

1 stop11h 57m

$183

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Wed 9/3

5:10 pm-10:53 pm

1 stop7h 43m

Calgary

Thu 9/4

6:15 am-3:34 pm

1 stop7h 19m

$193

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Fri 9/5

3:55 pm-10:53 pm

1 stop8h 58m

Calgary

Sat 9/6

6:15 am-4:43 pm

1 stop8h 28m

$193

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Sun 9/14

8:20 am-10:53 pm

1 stop16h 33m

Calgary

Wed 9/24

3:49 pm-7:00 am

1 stop13h 11m

$193

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Sun 9/14

8:20 am-10:53 pm

1 stop16h 33m

Calgary

Fri 9/19

3:49 pm-7:00 am

1 stop13h 11m

$193

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Tue 9/16

8:20 am-10:53 pm

1 stop16h 33m

Calgary

Wed 9/24

6:15 am-7:13 pm

1 stop10h 58m

$193

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/10

Showing 1-10 of 22 results
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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 August 8, 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 16 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 $402). 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 August 13, 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 48% on airfare.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Calgary

Explore weekly flight availability from Dulles Intl to Calgary. 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 August 13, 2025.

The most flights from IAD to YYC are scheduled on a Monday (4 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

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

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 August 13, 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

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

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

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

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

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

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

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

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

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

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

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

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 2 daily inbound flights from Washington, D.C. Dulles Intl from 5 different airlines.

  • What is the cheapest airline to fly from Washington, D.C. Dulles Intl Airport to Calgary round-trip?

    Flying on WestJet is currently your cheapest option to Calgary, with prices starting at $165. WestJet is 60% 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 (76%), United Airlines (76%), Delta( 9%).

  • 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 $767, our data shows the cheapest flight currently is $74. When looking at the most popular route, (Washington, D.C. Dulles Intl - Calgary), you can expect to pay $173 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 $402). 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 August 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$142Average$389FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$149Average$356FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$178Average$495FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$275Average$562FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$279Average$391FlexibilityNo cancel feeOn-time71%

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