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Cheap flights from Calgary to Washington, D.C. Dulles Intl Airport from C$ 252

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — IAD
14 Jul — 21 Jul1
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 14 June 2026.

Sat 26/96:30 a.m.
YYC
-
IAD
1 stop6h 55m
Air Canada
Sat 3/103:45 p.m.
IAD
-
YYC
1 stop9h 42m
Air Canada
Deal found 8/6C$ 410
Fri 18/92:58 p.m.
YYC
-
IAD
Nonstop4h 20m
United Airlines
Tue 22/912:50 p.m.
IAD
-
YYC
1 stop10h 58m
United Airlines
Deal found 8/6C$ 425
Thu 17/92:58 p.m.
YYC
-
IAD
Nonstop4h 20m
United Airlines
Mon 21/93:40 p.m.
IAD
-
YYC
1 stop8h 56m
United Airlines
Deal found 9/6C$ 427
Wed 7/106:45 a.m.
YYC
-
IAD
1 stop14h 14m
United Airlines
Wed 14/108:33 a.m.
IAD
-
YYC
1 stop10h 57m
United Airlines
Deal found 9/6C$ 429
Wed 7/106:30 a.m.
YYC
-
IAD
1 stop6h 55m
Air Canada
Wed 14/104:00 p.m.
IAD
-
YYC
1 stop8h 57m
Air Canada
Deal found 10/6C$ 432
Fri 18/96:30 a.m.
YYC
-
IAD
1 stop6h 55m
Air Canada
Tue 22/93:45 p.m.
IAD
-
YYC
1 stop9h 42m
Air Canada
Deal found 10/6C$ 442
Wed 7/106:30 a.m.
YYC
-
IAD
1 stop6h 55m
Air Canada
Tue 13/103:45 p.m.
IAD
-
YYC
2 stops11h 32m
Air Canada
Deal found 10/6C$ 443
Fri 3/77:15 p.m.
YYC
-
IAD
1 stop8h 12m
Multiple Airlines
Wed 9/93:45 p.m.
IAD
-
YYC
1 stop9h 42m
Multiple Airlines
Deal found 13/6C$ 445

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 14 June 2026.

Round-trip from

C$ 427

One-way from

C$ 252

Popular in

December

Cheapest in

October

Average price

C$ 641

Good round-trip deal

C$ 511 or less

Good one-way deal

C$ 344 or less
United Airlines
  • United Airlines
  • 17/9-21/9
  • 1 total stop
  • 13h 16m total
  • Calgary to Washington, D.C.
Search Deals
Air Canada
  • Air Canada
  • 9/9
  • 1 total stop
  • 6h 55m total
  • Calgary to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 135 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Calgary to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way 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 14 June 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

Fri 18/9

2:58 p.m.-9:18 p.m.

Nonstop4h 20m

Washington, D.C. Dulles Intl

Tue 22/9

12:50 p.m.-9:48 p.m.

1 stop10h 58m

C$ 425

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Wed 7/10

7:45 a.m.-12:20 a.m.

2 stops14h 35m

Washington, D.C. Dulles Intl

Tue 13/10

10:05 a.m.-11:13 p.m.

2 stops15h 08m

C$ 538

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Fri 2/10

11:40 a.m.-12:32 a.m.

1 stop10h 52m

Washington, D.C. Dulles Intl

Tue 6/10

10:05 a.m.-8:54 p.m.

2 stops12h 49m

C$ 547

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Fri 18/9

12:25 p.m.-11:23 p.m.

2 stops8h 58m

Washington, D.C. Dulles Intl

Tue 22/9

11:44 a.m.-8:32 p.m.

1 stop10h 48m

C$ 548

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Thu 22/10

7:45 a.m.-12:20 a.m.

2 stops14h 35m

Washington, D.C. Dulles Intl

Mon 26/10

12:00 p.m.-8:54 p.m.

1 stop10h 54m

C$ 561

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Mon 27/7

7:10 p.m.-10:23 a.m.

2 stops13h 13m

Washington, D.C. Dulles Intl

Tue 11/8

10:16 a.m.-5:10 p.m.

1 stop8h 54m

C$ 631

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Thu 9/7

2:58 p.m.-9:21 p.m.

Nonstop4h 23m

Washington, D.C. Dulles Intl

Tue 14/7

3:45 p.m.-11:52 p.m.

1 stop10h 07m

C$ 664
Quickest round-trip

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Thu 16/7

2:58 p.m.-9:21 p.m.

Nonstop4h 23m

Washington, D.C. Dulles Intl

Tue 21/7

9:04 a.m.-11:58 a.m.

Nonstop4h 54m

C$ 684

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Fri 7/8

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

1 stop8h 12m

Washington, D.C. Dulles Intl

Mon 10/8

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

1 stop17h 18m

C$ 698
Cheapest one-way

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Thu 2/7

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

1 stop16h 45m

C$ 287

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/6

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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$ 361). Flying from Calgary to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of C$ 929). 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 YYC to IAD?

Find hourly flight availability from Calgary to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 June 2026.

When flying from Calgary to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 14 June 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
8,403 reviews
Check prices

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.8

Food

7.2

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,
Delta
7.9
Good
8,403 reviews
Delta
7.9
Good
8,403 reviews
Check prices

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.8

Food

7.2

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,
United Airlines
7.4
Good
9,820 reviews
Delta
7.9
Good
8,403 reviews
Check prices

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.8

Food

7.2

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,
WestJet
7.2
Good
3,361 reviews
Delta
7.9
Good
8,403 reviews
Check prices

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.8

Food

7.2

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,
American Airlines
7.1
Good
11,657 reviews
Delta
7.9
Good
8,403 reviews
Check prices

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.8

Food

7.2

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,
Air Canada
7.1
Good
11,182 reviews
Delta
7.9
Good
8,403 reviews
Check prices

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.8

Food

7.2

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,

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 4h 20m. The time it takes to get you to your destination can typically vary by up to 10h 15m. 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 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 American Airlines, starting at C$ 141 and C$ 192 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$ 185. United Airlines flights start at C$ 185 while deals on Air Canada start at C$ 197 one-way.

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

    The top 3 most reliable airlines when flying from Calgary to Washington, D.C. Dulles Intl Airport are Scandinavian Airlines (80%), Delta (80%) and WestJet (80%).

  • 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$ 270. On average you can expect to pay C$ 796. The most popular route, (Calgary - Washington, D.C. Dulles Intl), can usually be booked for C$ 427.

  • 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$ 361). Flying from Calgary to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of C$ 929). 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
Chantilly
Herndon
Arlington
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 14 June 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 138AverageC$ 451FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 141AverageC$ 386FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 192AverageC$ 241FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 224AverageC$ 536FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 292AverageC$ 639FlexibilityNo cancel feeOn-time69%
Search United Airlines 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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