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Cheap flights from Calgary to Washington, D.C. Dulles Intl Airport from C$ 169

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 21/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — IAD
16 Oct — 23 Oct1
1 adult
1 adult, Economy

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 Tuesday

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 16 September 2025.

Round-trip from

C$ 278

One-way from

C$ 169

Popular in

December

Cheapest in

January

Average price

C$ 575

Good round-trip deal

C$ 353 or less

Good one-way deal

C$ 310 or less
United Airlines
  • United Airlines
  • 8/10-17/10
  • 2 total stops
  • 30h 40m total
  • Calgary to Washington, D.C.
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Air Canada
  • Air Canada
  • 21/10
  • 2 total stops
  • 12h 05m total
  • Calgary to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 150 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 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 16 September 2025.

Wed 8/103:49 p.m.YYC - IAD
1 stop14h 26mUnited Airlines
Mon 20/1010:10 p.m.IAD - YYC
1 stop15h 28mUnited Airlines
Deal found 16/9C$ 278
Sat 18/103:49 p.m.YYC - IAD
1 stop11h 47mUnited Airlines
Mon 20/1010:10 p.m.IAD - YYC
1 stop15h 28mUnited Airlines
Deal found 15/9C$ 290
Fri 10/1011:15 a.m.YYC - IAD
2 stops48h 10mMultiple Airlines
Fri 17/106:45 p.m.IAD - YYC
Nonstop4h 54mMultiple Airlines
Deal found 14/9C$ 315
Thu 16/101:10 a.m.YYC - IAD
1 stop6h 28mAir Canada
Wed 22/102:25 p.m.IAD - YYC
1 stop10h 57mAir Canada
Deal found 16/9C$ 319
Wed 15/107:15 a.m.YYC - IAD
1 stop13h 13mMultiple Airlines
Sat 18/102:25 p.m.IAD - YYC
1 stop8h 32mMultiple Airlines
Deal found 15/9C$ 341
Fri 19/96:10 p.m.YYC - IAD
1 stop9h 51mDelta
Mon 22/96:45 p.m.IAD - YYC
Nonstop4h 54mDelta
Deal found 15/9C$ 347
Fri 17/1012:20 a.m.YYC - IAD
1 stop7h 18mAir Canada
Mon 20/1010:20 a.m.IAD - YYC
1 stop15h 02mAir Canada
Deal found 14/9C$ 350
Tue 11/118:55 a.m.YYC - IAD
1 stop9h 25mMultiple Airlines
Wed 12/118:40 a.m.IAD - YYC
1 stop12h 29mMultiple Airlines
Deal found 15/9C$ 352
Sat 8/1112:30 a.m.YYC - IAD
1 stop14h 04mMultiple Airlines
Wed 12/118:40 a.m.IAD - YYC
1 stop12h 29mMultiple Airlines
Deal found 15/9C$ 354
Thu 9/106:00 a.m.YYC - IAD
2 stops55h 17mMultiple Airlines
Fri 17/106:45 p.m.IAD - YYC
Nonstop4h 54mMultiple Airlines
Deal found 16/9C$ 355

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 16 September 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

Wed 8/10

3:49 p.m.-8:15 a.m.

1 stop14h 26m

Washington, D.C. Dulles Intl

Mon 20/10

10:10 p.m.-11:38 a.m.

1 stop15h 28m

C$ 278

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Fri 17/10

3:49 p.m.-3:57 p.m.

2 stops22h 08m

Washington, D.C. Dulles Intl

Wed 22/10

6:58 p.m.-12:19 p.m.

1 stop19h 21m

C$ 290

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Wed 8/10

3:49 p.m.-8:15 a.m.

1 stop14h 26m

Washington, D.C. Dulles Intl

Sat 18/10

6:58 p.m.-12:19 p.m.

1 stop19h 21m

C$ 290

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Sat 18/10

3:49 p.m.-5:36 a.m.

1 stop11h 47m

Washington, D.C. Dulles Intl

Mon 20/10

10:10 p.m.-11:38 a.m.

1 stop15h 28m

C$ 290

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Fri 10/10

11:15 a.m.-1:25 p.m.

2 stops48h 10m

Washington, D.C. Dulles Intl

Fri 17/10

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

Nonstop4h 54m

C$ 315

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Wed 15/10

7:15 a.m.-10:28 p.m.

1 stop13h 13m

Washington, D.C. Dulles Intl

Sat 18/10

2:25 p.m.-8:57 p.m.

1 stop8h 32m

C$ 341

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Sat 27/9

6:10 p.m.-6:01 a.m.

1 stop9h 51m

Washington, D.C. Dulles Intl

Mon 29/9

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

Nonstop4h 54m

C$ 347

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Tue 16/12

6:15 a.m.-9:18 p.m.

2 stops13h 03m

Washington, D.C. Dulles Intl

Wed 24/12

12:40 p.m.-7:20 p.m.

1 stop8h 40m

C$ 347

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Tue 21/10

7:00 a.m.-9:05 p.m.

2 stops12h 05m

C$ 169

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Tue 21/10

3:49 p.m.-7:02 a.m.

1 stop13h 13m

C$ 174

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/9

Showing 1-10 of 15 results
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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?

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 12 September 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 16 September 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 71% 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 14 September 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.

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 16 September 2025.
Check out reviews from past customers who have flown with United Airlines,American 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.
United Airlines
7.4
Good
8,924 reviews
Check prices

Comfort

7.3

Food

6.6

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
United Airlines
7.4
Good
8,924 reviews
United Airlines
7.4
Good
8,924 reviews
Check prices

Comfort

7.3

Food

6.6

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,924 reviews
Check prices

Comfort

7.3

Food

6.6

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
WestJet
7.2
Good
3,093 reviews
United Airlines
7.4
Good
8,924 reviews
Check prices

Comfort

7.3

Food

6.6

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
Air Canada
7.1
Good
10,000 reviews
United Airlines
7.4
Good
8,924 reviews
Check prices

Comfort

7.3

Food

6.6

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.

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 4 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 fly from Calgary to Washington, D.C. Dulles Intl Airport in about 14h 26m. 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 American Airlines. Our recent data shows that you can find tickets from as low as C$ 189 on this airline. Additional options worth looking into are WestJet and United Airlines, starting at C$ 232 and C$ 290 round-trip. These flights start at 62% lower than the current average price 3 months from now.

  • 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 United Airlines (79%), Air Canada (78%) and Delta (59%).

  • 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$ 196. On average you can expect to pay C$ 569. The most popular route, (Calgary - Washington, D.C. Dulles Intl), can usually be booked for C$ 290.

  • 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

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
Herndon
Warrenton
Hanover
Reston
Fairfax
Ellicott City
Oxon Hill
Gaithersburg
Winchester
Arlington
Alexandria
Manassas
Fredericksburg
Rockville

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Top 4 airlines flying from Calgary to Dulles Intl

Discover the top 4 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 16 September 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 189AverageC$ 284FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 232AverageC$ 371FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 290AverageC$ 552FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 301AverageC$ 519FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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

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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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