Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Calgary to Washington, D.C. Dulles Intl Airport from C$ 189

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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — IAD
1 May — 8 May1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Calgary to Washington, D.C. Dulles Intl are usually found in October or September, booked 40 days in advance, depart on a Friday or Wednesday and return on a Tuesday

Cheap flight deals from Calgary to Dulles Intl

Enter your travel dates to find the best prices.

Cheapest flights from Calgary to Dulles Intl
Explore the most affordable flight options available from Calgary to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 April 2026.

Wed 22/43:22 p.m.
YYC
-
IAD
2 stops13h 15m
United Airlines
Mon 27/410:35 p.m.
IAD
-
YYC
1 stop17h 18m
United Airlines
Deal found 31/3C$ 351
Sat 2/51:27 p.m.
YYC
-
IAD
1 stop14h 01m
United Airlines
Tue 5/510:10 p.m.
IAD
-
YYC
1 stop16h 09m
United Airlines
Deal found 28/3C$ 355
Sat 2/510:25 a.m.
YYC
-
IAD
1 stop8h 04m
Air Canada
Tue 5/54:05 p.m.
IAD
-
YYC
1 stop8h 53m
Air Canada
Deal found 31/3C$ 365
Sat 2/56:40 a.m.
YYC
-
IAD
2 stops14h 23m
Delta
Tue 5/510:11 a.m.
IAD
-
YYC
2 stops14h 49m
Delta
Deal found 28/3C$ 380
Fri 1/56:45 a.m.
YYC
-
IAD
2 stops24h 04m
American Airlines
Mon 4/58:11 p.m.
IAD
-
YYC
2 stops18h 48m
American Airlines
Deal found 31/3C$ 382
Fri 1/511:20 a.m.
YYC
-
IAD
1 stop7h 58m
Air Canada
Mon 4/55:35 p.m.
IAD
-
YYC
1 stop8h 22m
Air Canada
Deal found 27/3C$ 410

Find flight deals from Calgary to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Calgary (YYC) to Dulles Intl (IAD). 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 1 April 2026.

Round-trip from

C$ 351

One-way from

C$ 189

Popular in

December

Cheapest in

October

Average price

C$ 444

Good round-trip deal

C$ 454 or less
United Airlines
  • United Airlines
  • 22/4-27/4
  • 3 total stops
  • 30h 33m total
  • Calgary to Washington, D.C.
Search Deals
Air Canada
  • Air Canada
  • 2/6
  • 1 total stop
  • 6h 59m total
  • Calgary to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 149 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Calgary to Washington, D.C. Dulles Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Calgary 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 629,999 searches. Data last updated 1 April 2026.
Use the filters below to find and compare flights from Calgary to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Sat 2/5

7:40 a.m.-11:03 p.m.

2 stops13h 23m

Washington, D.C. Dulles Intl

Tue 5/5

10:11 a.m.-11:00 p.m.

2 stops14h 49m

C$ 411

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Fri 12/6

6:45 a.m.-6:13 p.m.

1 stop9h 28m

Washington, D.C. Dulles Intl

Tue 16/6

11:44 a.m.-8:38 p.m.

1 stop10h 54m

C$ 499

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Mon 20/4

7:40 a.m.-11:03 p.m.

2 stops13h 23m

Washington, D.C. Dulles Intl

Wed 22/4

12:12 p.m.-8:40 p.m.

1 stop10h 28m

C$ 582
Quickest round-trip

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Fri 10/7

7:15 p.m.-5:27 a.m.

1 stop8h 12m

Washington, D.C. Dulles Intl

Mon 17/8

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

Nonstop4h 54m

C$ 652

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Fri 24/7

6:45 a.m.-6:05 p.m.

1 stop9h 20m

Washington, D.C. Dulles Intl

Mon 27/7

7:00 p.m.-10:00 p.m.

Nonstop5h 00m

C$ 653

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Sat 30/5

6:00 a.m.-12:45 a.m.

2 stops16h 45m

Washington, D.C. Dulles Intl

Wed 10/6

8:15 a.m.-9:48 p.m.

2 stops15h 33m

C$ 662

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Wed 26/8

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

1 stop9h 23m

Washington, D.C. Dulles Intl

Mon 31/8

12:00 p.m.-8:44 p.m.

1 stop10h 44m

C$ 683

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Thu 14/5

6:45 a.m.-6:14 p.m.

1 stop9h 29m

Washington, D.C. Dulles Intl

Sun 17/5

11:58 a.m.-8:30 p.m.

1 stop10h 32m

C$ 685

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Fri 24/7

7:15 p.m.-5:27 a.m.

1 stop8h 12m

Washington, D.C. Dulles Intl

Mon 27/7

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

Nonstop4h 54m

C$ 706
Cheapest one-way

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Thu 11/6

6:00 a.m.-12:45 a.m.

1 stop16h 45m

C$ 215

Flights are sorted by cheapest round-trip flights first.

Deals found on 31/3

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Best time to book a flight from Calgary to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Calgary 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 Calgary to Washington, D.C. Dulles Intl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Calgary to Dulles Intl. Price data was last updated on 13 March 2026.

The best time to book flights from Calgary to Washington, D.C. Dulles Intl Airport is 36 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, September is the cheapest month in which you can book a flight from Calgary to Washington, D.C. Dulles Intl Airport (average of C$ 117). Flying from Calgary to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of C$ 560). 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 Calgary to Washington, D.C. Dulles Intl Airport?

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 1 April 2026.
Check out reviews from past customers who have flown with Delta,United Airlines, andWestJet from Calgary to Washington, D.C. Dulles Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,367 reviews
Check prices

Entertainment

7.8

Comfort

7.9

Food

7.2

Crew

8.5

Overall

7.9

Boarding

8.1

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
8,367 reviews
Delta
7.9
Good
8,367 reviews
Check prices

Entertainment

7.8

Comfort

7.9

Food

7.2

Crew

8.5

Overall

7.9

Boarding

8.1

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
9,529 reviews
Delta
7.9
Good
8,367 reviews
Check prices

Entertainment

7.8

Comfort

7.9

Food

7.2

Crew

8.5

Overall

7.9

Boarding

8.1

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
3,308 reviews
Delta
7.9
Good
8,367 reviews
Check prices

Entertainment

7.8

Comfort

7.9

Food

7.2

Crew

8.5

Overall

7.9

Boarding

8.1

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
7.1
Good
11,545 reviews
Delta
7.9
Good
8,367 reviews
Check prices

Entertainment

7.8

Comfort

7.9

Food

7.2

Crew

8.5

Overall

7.9

Boarding

8.1

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
10,873 reviews
Delta
7.9
Good
8,367 reviews
Check prices

Entertainment

7.8

Comfort

7.9

Food

7.2

Crew

8.5

Overall

7.9

Boarding

8.1

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

    Most people fly from Calgary (YYC) if they book a flight from Calgary to Washington, D.C. Dulles Intl. On average, Calgary has 0 outbound flights to Washington, D.C. Dulles Intl per day from 5 airlines. Calgary is conveniently located just 9.3 km from Calgary’s city centre.

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

    Airlines like Delta fly from Calgary to Washington, D.C. Dulles Intl Airport in about 13h 23m. The time it takes to get you to your destination can typically vary by up to . The distance between Calgary and Washington, D.C. Dulles Intl Airport is about 3132 km.

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

    Our cheapest airline available from Calgary to Washington, D.C. Dulles Intl Airport is WestJet. Our recent data shows that you can find tickets from as low as C$ 138 on this airline. Additional options worth looking into are Delta and United Airlines, starting at C$ 140 and C$ 164 round-trip. These flights start at 74% lower than the current average price 3 months from now.

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

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at C$ 143. United Airlines flights start at C$ 185 while deals on Air Canada start at C$ 196 one-way.

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

    The cheapest flight price from Calgary to Washington, D.C. Dulles Intl Airport is C$ 410. On average you can expect to pay C$ 553. The most popular route, (Calgary - Washington, D.C. Dulles Intl), can usually be booked for C$ 411.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Calgary 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 Calgary to Washington, D.C. Dulles Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Calgary to Washington, D.C. Dulles Intl Airport (average of C$ 117). Flying from Calgary to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of C$ 560). 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 Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Silver Spring
Warrenton
Winchester
Hanover
Fairfax
Reston
Ellicott City
Oxon Hill
Gaithersburg
Arlington
Herndon
Manassas
Fredericksburg
Alexandria
Rockville

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 5 airlines flying from Calgary to Dulles Intl

Discover the top 5 airlines that operate flights from Calgary 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 629,999 searches. Data last updated 1 April 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 138AverageC$ 575FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 140AverageC$ 385FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 164AverageC$ 565FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 190AverageC$ 239FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 271AverageC$ 577FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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 Calgary to Dulles Intl?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Calgary to Dulles Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

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 Dulles Intl from Calgary.

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

Need flexible booking options for your flight to Dulles Intl from Calgary? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Not ready to book yet? You can track prices for flights from Calgary to Dulles Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.