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Cheap flights from Calgary to Washington, D.C. Dulles Intl Airport from C$ 166

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 17/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — IAD
31 May — 7 Jun1
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 38 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 May 2026.

Fri 17/711:45 a.m.
YYC
-
IAD
Nonstop4h 25m
WestJet
Fri 24/77:00 p.m.
IAD
-
YYC
Nonstop5h 00m
WestJet
Deal found 26/4C$ 281
Mon 27/711:45 a.m.
YYC
-
IAD
Nonstop4h 25m
WestJet
Mon 3/87:00 p.m.
IAD
-
YYC
Nonstop5h 00m
WestJet
Deal found 29/4C$ 282
Mon 1/611:45 a.m.
YYC
-
IAD
Nonstop4h 25m
WestJet
Mon 8/67:00 p.m.
IAD
-
YYC
Nonstop5h 00m
WestJet
Deal found 28/4C$ 322
Fri 12/611:45 a.m.
YYC
-
IAD
Nonstop4h 25m
WestJet
Mon 15/67:00 p.m.
IAD
-
YYC
Nonstop5h 00m
WestJet
Deal found 29/4C$ 323
Mon 1/611:45 a.m.
YYC
-
IAD
Nonstop4h 25m
WestJet
Mon 15/67:00 p.m.
IAD
-
YYC
Nonstop5h 00m
WestJet
Deal found 1/5C$ 327
Fri 22/511:45 a.m.
YYC
-
IAD
Nonstop4h 25m
WestJet
Mon 25/57:00 p.m.
IAD
-
YYC
Nonstop5h 00m
WestJet
Deal found 28/4C$ 341
Sun 6/96:30 a.m.
YYC
-
IAD
1 stop6h 54m
Air Canada
Tue 15/93:45 p.m.
IAD
-
YYC
1 stop9h 42m
Air Canada
Deal found 27/4C$ 345
Thu 10/99:30 a.m.
YYC
-
IAD
1 stop11h 54m
United Airlines
Sat 19/95:15 p.m.
IAD
-
YYC
1 stop7h 21m
United Airlines
Deal found 28/4C$ 349
Tue 15/96:30 a.m.
YYC
-
IAD
1 stop6h 55m
Air Canada
Tue 22/93:45 p.m.
IAD
-
YYC
1 stop9h 42m
Air Canada
Deal found 28/4C$ 356
Wed 16/96:00 a.m.
YYC
-
IAD
1 stop16h 40m
United Airlines
Mon 21/910:10 p.m.
IAD
-
YYC
1 stop16h 20m
United Airlines
Deal found 28/4C$ 359
Wed 15/76:30 a.m.
YYC
-
IAD
1 stop6h 54m
Air Canada
Mon 27/73:45 p.m.
IAD
-
YYC
2 stops11h 36m
Air Canada
Deal found 27/4C$ 366
Mon 14/911:55 p.m.
YYC
-
IAD
1 stop14h 17m
Air Canada
Tue 22/93:45 p.m.
IAD
-
YYC
1 stop9h 42m
Air Canada
Deal found 28/4C$ 378

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 May 2026.

Round-trip from

C$ 281

One-way from

C$ 166

Popular in

December

Cheapest in

October

Average price

C$ 516

Good round-trip deal

C$ 321 or less
WestJet
  • WestJet
  • 17/7-24/7
  • Nonstop
  • 9h 25m total
  • Calgary to Washington, D.C.
Search Deals
WestJet
  • WestJet
  • 17/7
  • Nonstop
  • 4h 25m total
  • Calgary to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 136 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 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

Wed 16/9

6:00 a.m.-12:44 a.m.

2 stops16h 44m

Washington, D.C. Dulles Intl

Mon 21/9

10:10 p.m.-12:30 p.m.

1 stop16h 20m

C$ 359

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Thu 21/5

6:45 a.m.-6:15 p.m.

1 stop9h 30m

Washington, D.C. Dulles Intl

Wed 27/5

10:11 a.m.-8:30 p.m.

2 stops12h 19m

C$ 400

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Mon 14/9

6:45 a.m.-9:09 p.m.

1 stop12h 24m

Washington, D.C. Dulles Intl

Wed 23/9

5:15 p.m.-10:36 p.m.

1 stop7h 21m

C$ 428

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Thu 17/9

6:45 a.m.-10:59 p.m.

1 stop14h 14m

Washington, D.C. Dulles Intl

Sun 20/9

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

1 stop14h 00m

C$ 442

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Fri 11/9

6:45 a.m.-10:59 p.m.

1 stop14h 14m

Washington, D.C. Dulles Intl

Mon 14/9

6:15 a.m.-5:30 p.m.

1 stop13h 15m

C$ 443

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Mon 25/5

6:45 a.m.-10:56 p.m.

2 stops14h 11m

Washington, D.C. Dulles Intl

Wed 27/5

10:11 a.m.-8:30 p.m.

2 stops12h 19m

C$ 446

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Wed 20/5

6:45 a.m.-6:15 p.m.

1 stop9h 30m

Washington, D.C. Dulles Intl

Wed 27/5

10:11 a.m.-8:30 p.m.

2 stops12h 19m

C$ 446

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Fri 11/9

8:10 a.m.-11:29 p.m.

2 stops13h 19m

Washington, D.C. Dulles Intl

Mon 14/9

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

1 stop11h 25m

C$ 467
Quickest round-trip

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Thu 30/7

6:45 a.m.-6:04 p.m.

1 stop9h 19m

Washington, D.C. Dulles Intl

Mon 3/8

10:21 a.m.-5:10 p.m.

1 stop8h 49m

C$ 490

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Mon 1/6

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

1 stop16h 45m

Washington, D.C. Dulles Intl

Mon 15/6

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

1 stop17h 18m

C$ 550

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

Showing 1-10 of 23 resultsSorted by cheapest first
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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?

The best time to book flights from Calgary to Washington, D.C. Dulles Intl Airport is 35 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, October is the cheapest month in which you can book a flight from Calgary to Washington, D.C. Dulles Intl Airport (average of C$ 352). Flying from Calgary to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of C$ 900). 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 May 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
8,463 reviews
Check prices

Entertainment

7.8

Boarding

8.1

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

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
8,463 reviews
Delta
7.9
Good
8,463 reviews
Check prices

Entertainment

7.8

Boarding

8.1

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

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
9,675 reviews
Delta
7.9
Good
8,463 reviews
Check prices

Entertainment

7.8

Boarding

8.1

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

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
3,331 reviews
Delta
7.9
Good
8,463 reviews
Check prices

Entertainment

7.8

Boarding

8.1

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

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
11,684 reviews
Delta
7.9
Good
8,463 reviews
Check prices

Entertainment

7.8

Boarding

8.1

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

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
10,983 reviews
Delta
7.9
Good
8,463 reviews
Check prices

Entertainment

7.8

Boarding

8.1

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

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 United Airlines and Delta fly from Calgary to Washington, D.C. Dulles Intl Airport in about 9h 30m. The time it takes to get you to your destination can typically vary by up to 7h 14m. The distance between Calgary and Washington, D.C. Dulles Intl Airport is about 3132 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 United Airlines. Our recent data shows that you can find tickets from as low as C$ 134 on this airline. Additional options worth looking into are WestJet and Delta, starting at C$ 135 and C$ 137 round-trip. These flights start at 75% 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$ 144. United Airlines flights start at C$ 181 while deals on Air Canada start at C$ 211 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$ 252. On average you can expect to pay C$ 659. The most popular route, (Calgary - Washington, D.C. Dulles Intl), can usually be booked for C$ 359.

  • 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, October is the cheapest month in which you can book a flight from Calgary to Washington, D.C. Dulles Intl Airport (average of C$ 352). Flying from Calgary to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of C$ 900). 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

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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 May 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 134AverageC$ 583FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 135AverageC$ 550FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 137AverageC$ 377FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 186AverageC$ 234FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 265AverageC$ 569FlexibilityNo 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.

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