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Cheap flights from Calgary to Washington, D.C. Dulles Intl Airport from C$ 181

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 13/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — IAD
16 Jul — 23 Jul1
1 adult

Cheapflights Tip: The best prices from Calgary to Washington, D.C. Dulles Intl are usually found in January or April, booked 36 days in advance, depart on a Friday or Monday and return on a Thursday

Cheap 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 11 July 2025.

Round-trip from

C$ 261

One-way from

C$ 181

Popular in

December

Cheapest in

January

Average price

C$ 559

Good round-trip deal

C$ 488 or less

Good one-way deal

C$ 332 or less
WestJet
  • WestJet
  • 29/9-3/10
  • Nonstop
  • 9h 14m total
  • Calgary to Washington, D.C.
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Air Canada
  • Air Canada
  • 13/8
  • 1 total stop
  • 7h 52m total
  • Calgary to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 109 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease (C$ 39 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Calgary to Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from Calgary to Washington, D.C. Dulles Intl.
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Find flight deals from Calgary to Dulles Intl

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 11 July 2025.

Mon 29/911:30 a.m.YYC - IAD
Nonstop4h 20mWestJet
Fri 3/106:45 p.m.IAD - YYC
Nonstop4h 54mWestJet
Deal found 10/7C$ 261
Fri 17/1011:30 a.m.YYC - IAD
Nonstop4h 20mMultiple Airlines
Sun 19/106:00 a.m.IAD - YYC
1 stop16h 00mMultiple Airlines
Deal found 10/7C$ 330
Mon 13/101:10 a.m.YYC - IAD
1 stop6h 28mAir Canada
Wed 22/1010:20 a.m.IAD - YYC
1 stop6h 57mAir Canada
Deal found 9/7C$ 351
Fri 22/812:47 p.m.YYC - IAD
2 stops17h 55mAmerican Airlines
Mon 25/810:25 a.m.IAD - YYC
2 stops15h 04mAmerican Airlines
Deal found 10/7C$ 358
Fri 19/911:30 a.m.YYC - IAD
Nonstop4h 20mDelta
Mon 22/912:08 p.m.IAD - YYC
1 stop10h 55mDelta
Deal found 10/7C$ 394
Sat 23/82:55 p.m.YYC - IAD
Nonstop4h 21mLufthansa
Sat 30/89:13 a.m.IAD - YYC
Nonstop4h 47mLufthansa
Deal found 9/7C$ 499

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 11 July 2025.
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

Calgary

Fly to

Dulles Intl

Route

Depart

Return

Price

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Mon 29/9

11:30 a.m.-5:50 p.m.

Nonstop4h 20m

Washington, D.C. Dulles Intl

Fri 3/10

6:45 p.m.-9:39 p.m.

Nonstop4h 54m

C$ 261

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Fri 17/10

11:30 a.m.-5:50 p.m.

Nonstop4h 20m

Washington, D.C. Dulles Intl

Sun 19/10

6:00 a.m.-8:00 p.m.

1 stop16h 00m

C$ 330

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Mon 13/10

1:10 a.m.-9:38 a.m.

1 stop6h 28m

Washington, D.C. Dulles Intl

Wed 22/10

10:20 a.m.-3:17 p.m.

1 stop6h 57m

C$ 351

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Fri 22/8

12:47 p.m.-8:42 a.m.

2 stops17h 55m

Washington, D.C. Dulles Intl

Mon 25/8

10:25 a.m.-11:29 p.m.

2 stops15h 04m

C$ 358

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Fri 19/9

11:30 a.m.-5:50 p.m.

Nonstop4h 20m

Washington, D.C. Dulles Intl

Mon 22/9

12:08 p.m.-9:03 p.m.

1 stop10h 55m

C$ 394

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Sat 23/8

2:55 p.m.-9:16 p.m.

Nonstop4h 21m

Washington, D.C. Dulles Intl

Sat 30/8

9:13 a.m.-12:00 p.m.

Nonstop4h 47m

C$ 499

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Wed 13/8

11:45 p.m.-9:37 a.m.

1 stop7h 52m

C$ 181

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Fri 8/8

11:30 a.m.-5:54 p.m.

Nonstop4h 24m

C$ 190

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Mon 11/8

7:30 p.m.-11:27 a.m.

1 stop13h 57m

C$ 191

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Mon 22/9

7:00 a.m.-12:06 a.m.

2 stops15h 06m

C$ 212

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/7

Showing 1-10 of 13 results
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 27 June 2025.

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, February is the cheapest month in which you can book a flight from Calgary to Washington, D.C. Dulles Intl Airport (average of C$ 256). Flying from Calgary to Washington, D.C. Dulles Intl Airport in October is currently the most expensive (average of C$ 352). 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 11 July 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 70% on flights from Calgary to Washington, D.C. Dulles Intl Airport by exploring options for tickets in the morning.

What is the cheapest day to fly from Calgary to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Calgary to Dulles Intl. Price data was last updated on 6 July 2025.

Travelers seeking maximum savings on their Calgary to Washington, D.C. Dulles Intl Airport flight should consider departing on Friday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 11 July 2025.
Check out reviews from past customers who have flown with Porter Airlines,Delta, andUnited Airlines 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.
Porter Airlines
8.0
Very good
303 reviews
Check prices

Food

7.7

Comfort

8.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
Porter Airlines
8.0
Very good
303 reviews
Porter Airlines
8.0
Very good
303 reviews
Check prices

Food

7.7

Comfort

8.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
Delta
8.0
Very good
7,951 reviews
Porter Airlines
8.0
Very good
303 reviews
Check prices

Food

7.7

Comfort

8.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
United Airlines
7.4
Good
8,846 reviews
Porter Airlines
8.0
Very good
303 reviews
Check prices

Food

7.7

Comfort

8.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
8.0
Very good
303 reviews
Check prices

Food

7.7

Comfort

8.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
WestJet
7.2
Good
2,924 reviews
Porter Airlines
8.0
Very good
303 reviews
Check prices

Food

7.7

Comfort

8.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

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 1 outbound flight to Washington, D.C. Dulles Intl per day from 3 airlines. Calgary is conveniently located just 9.3 km from Calgary’s city centre.

  • 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$ 261 on this airline. Additional options worth looking into are Air Canada and American Airlines, starting at C$ 351 and C$ 358 round-trip. These flights start at 49% 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 Air Canada, which is currently one of the cheapest options available, starting at C$ 181. WestJet flights start at C$ 190 while deals on United Airlines start at C$ 191 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 Air Canada (60%), United Airlines (60%) and Delta (39%).

  • 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$ 192. On average you can expect to pay C$ 705. The most popular route, (Calgary - Washington, D.C. Dulles Intl), can usually be booked for C$ 334.

  • 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, February is the cheapest month in which you can book a flight from Calgary to Washington, D.C. Dulles Intl Airport (average of C$ 256). Flying from Calgary to Washington, D.C. Dulles Intl Airport in October is currently the most expensive (average of C$ 352). 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

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Top 3 airlines flying from Calgary to Dulles Intl

Discover the top 3 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 11 July 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 230AverageC$ 384FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 291AverageC$ 476FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 307AverageC$ 515FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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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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