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Cheap flights from Washington, D.C. Dulles Intl Airport to Calgary from C$ 126

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 20/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YYC
24 May — 31 May1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Calgary are usually found in October or May, booked 19 days in advance, depart on a Tuesday or Friday and return on a Wednesday

Cheap flight deals from Dulles Intl to Calgary

Enter your travel dates to find the best prices.

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 24 April 2026.

Fri 21/87:00 p.m.
IAD
-
YYC
Nonstop5h 00m
WestJet
Fri 28/811:45 a.m.
YYC
-
IAD
Nonstop4h 25m
WestJet
Deal found 22/4C$ 291
Mon 24/87:00 p.m.
IAD
-
YYC
Nonstop5h 00m
WestJet
Fri 28/811:45 a.m.
YYC
-
IAD
Nonstop4h 25m
WestJet
Deal found 19/4C$ 294
Mon 27/77:00 p.m.
IAD
-
YYC
Nonstop5h 00m
WestJet
Fri 7/811:45 a.m.
YYC
-
IAD
Nonstop4h 25m
WestJet
Deal found 24/4C$ 295
Mon 24/87:00 p.m.
IAD
-
YYC
Nonstop5h 00m
WestJet
Mon 31/811:45 a.m.
YYC
-
IAD
Nonstop4h 25m
WestJet
Deal found 22/4C$ 302
Fri 21/87:00 p.m.
IAD
-
YYC
Nonstop5h 00m
WestJet
Mon 31/811:45 a.m.
YYC
-
IAD
Nonstop4h 25m
WestJet
Deal found 22/4C$ 304
Mon 10/87:00 p.m.
IAD
-
YYC
Nonstop5h 00m
WestJet
Mon 24/811:45 a.m.
YYC
-
IAD
Nonstop4h 25m
WestJet
Deal found 19/4C$ 305
Mon 17/87:00 p.m.
IAD
-
YYC
Nonstop5h 00m
WestJet
Fri 21/811:45 a.m.
YYC
-
IAD
Nonstop4h 25m
WestJet
Deal found 19/4C$ 306
Mon 17/87:00 p.m.
IAD
-
YYC
Nonstop5h 00m
WestJet
Fri 28/811:45 a.m.
YYC
-
IAD
Nonstop4h 25m
WestJet
Deal found 20/4C$ 309
Fri 28/87:00 p.m.
IAD
-
YYC
Nonstop5h 00m
WestJet
Fri 4/911:45 a.m.
YYC
-
IAD
Nonstop4h 25m
WestJet
Deal found 21/4C$ 317

Find 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 24 April 2026.

Round-trip from

C$ 291

One-way from

C$ 126

Popular in

March

Cheapest in

October

Average price

C$ 611
WestJet
  • WestJet
  • 21/8-28/8
  • Nonstop
  • 9h 25m total
  • Washington, D.C. to Calgary
Search Deals
WestJet
  • WestJet
  • 20/7
  • Nonstop
  • 5h 00m total
  • Washington, D.C. to Calgary
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 177 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 629,999 searches. Data last updated 24 April 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Mon 24/8

6:30 a.m.-6:30 p.m.

1 stop14h 00m

Calgary

Fri 28/8

9:30 a.m.-11:24 p.m.

1 stop11h 54m

C$ 394

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Sun 12/7

10:21 p.m.-12:39 p.m.

1 stop16h 18m

Calgary

Fri 17/7

7:15 p.m.-11:41 a.m.

1 stop14h 26m

C$ 414

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Sun 12/7

10:21 p.m.-12:39 p.m.

1 stop16h 18m

Calgary

Mon 20/7

7:15 p.m.-11:41 a.m.

1 stop14h 26m

C$ 414

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Thu 30/7

8:27 a.m.-5:10 p.m.

1 stop10h 43m

Calgary

Thu 6/8

7:00 a.m.-4:49 p.m.

1 stop7h 49m

C$ 506

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Fri 28/8

10:40 a.m.-8:05 p.m.

1 stop11h 25m

Calgary

Tue 1/9

9:45 a.m.-7:16 p.m.

1 stop7h 31m

C$ 553

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Sun 12/7

6:00 a.m.-6:10 p.m.

2 stops14h 10m

Calgary

Mon 20/7

7:00 a.m.-6:26 p.m.

1 stop9h 26m

C$ 583

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Fri 7/8

6:30 a.m.-9:48 p.m.

1 stop17h 18m

Calgary

Mon 10/8

7:15 p.m.-11:37 a.m.

1 stop14h 22m

C$ 648

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Wed 27/5

3:39 p.m.-10:37 p.m.

1 stop8h 58m

Calgary

Mon 1/6

3:22 p.m.-6:42 a.m.

2 stops13h 20m

C$ 672

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Wed 16/9

10:40 a.m.-8:44 p.m.

2 stops12h 04m

Calgary

Wed 23/9

6:35 a.m.-5:58 p.m.

1 stop9h 23m

C$ 695
Quickest round-trip

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Thu 3/9

9:10 a.m.-12:04 p.m.

Nonstop4h 54m

Calgary

Fri 4/9

6:00 a.m.-7:21 p.m.

1 stop11h 21m

C$ 699

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/4

Showing 1-10 of 22 resultsSorted by cheapest first
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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?

To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Calgary, you should look to book at least 18 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Calgary (average of C$ 412). Flying from Washington, D.C. Dulles Intl Airport to Calgary in March is currently the most expensive (average of C$ 971). 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.

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

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 9.3 km from the city centre, Calgary is the airport most travellers 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 0 different airlines.

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

    United Airlines and Delta can get you from Washington, D.C. Dulles Intl Airport to Calgary in just under 10h 43m. Your travel time can differ by up to 3h 17m. There are 3132 km between Washington, D.C. Dulles Intl Airport and Calgary. This flight may include one or multiple stops.

  • 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, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Calgary (average of C$ 412). Flying from Washington, D.C. Dulles Intl Airport to Calgary in March is currently the most expensive (average of C$ 971). 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

Travelling to a place near Calgary?

Book flights to Calgary if you plan to visit one of these locations
Canmore
Radium Hot Springs
Kananaskis
Airdrie
Drumheller

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Alternative routes for Dulles Intl to Calgary

See prices for flight routes from nearby airports that may be better suited for you.
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Dulles Intl to Edmonton flights
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Dulles Intl to Calgary?

Cheapflights makes it easy to find Dulles Intl to Calgary flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Dulles Intl to Calgary?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Calgary from Dulles Intl.

Can Cheapflights find flights from Dulles Intl to Calgary with no change fees?

Yes! Cheapflights helps users easily find flights from Dulles Intl to Calgary with no change fees.

Can Cheapflights notify me if prices for flights from Dulles Intl to Calgary become cheaper?

Yes! Start tracking prices for Dulles Intl to Calgary flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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