Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Calgary to Washington, D.C. Dulles Intl Airport from C$ 148

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 16/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — IAD
26 Mar — 2 Apr1
1 adult

Cheapflights Tip: The best prices from Calgary to Washington, D.C. Dulles Intl are usually found in January or August, booked 32 days in advance, depart on a Friday or Thursday 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 21 March 2025.

Round-trip from

C$ 330

One-way from

C$ 148

Popular in

December

Cheapest in

January

Average price

C$ 609

Good round-trip deal

C$ 329 or less
WestJet
  • WestJet
  • 30/5-2/6
  • Nonstop
  • 9h 15m total
  • Calgary to Washington, D.C.
Search Deals
WestJet
  • WestJet
  • 16/7
  • Nonstop
  • 4h 24m total
  • Calgary to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals
Price to beat on a round-trip flight from Calgary to Washington, D.C. Dulles Intl.
Search Deals

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 21 March 2025.

Fri 30/511:30 a.m.YYC - IAD
Nonstop4h 24mWestJet
Mon 2/66:45 p.m.IAD - YYC
Nonstop4h 51mWestJet
Deal found 20/3C$ 330
Mon 7/49:10 p.m.YYC - IAD
2 stops10h 36mAir Canada
Tue 15/43:55 p.m.IAD - YYC
2 stops11h 13mAir Canada
Deal found 20/3C$ 367
Fri 4/46:45 a.m.YYC - IAD
1 stop13h 57mAmerican Airlines
Mon 7/46:18 a.m.IAD - YYC
1 stop17h 27mAmerican Airlines
Deal found 20/3C$ 369
Sat 3/512:25 p.m.YYC - IAD
1 stop9h 06mDelta
Tue 13/511:56 a.m.IAD - YYC
1 stop10h 44mDelta
Deal found 20/3C$ 376
Wed 2/46:15 a.m.YYC - IAD
2 stops15h 44mUnited Airlines
Tue 8/46:30 a.m.IAD - YYC
1 stop7h 11mUnited Airlines
Deal found 20/3C$ 386
Wed 23/46:15 a.m.YYC - IAD
1 stop13h 09mMultiple Airlines
Wed 30/43:30 p.m.IAD - YYC
1 stop11h 38mMultiple Airlines
Deal found 20/3C$ 410
Fri 30/57:55 a.m.YYC - IAD
2 stops29h 11mPorter Airlines
Mon 2/611:35 a.m.IAD - YYC
2 stops11h 44mPorter Airlines
Deal found 20/3C$ 622

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 21 March 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

Fri 30/5

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

Nonstop4h 24m

Washington, D.C. Dulles Intl

Mon 2/6

6:45 p.m.-9:36 p.m.

Nonstop4h 51m

C$ 330

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Mon 7/4

9:10 p.m.-9:46 a.m.

2 stops10h 36m

Washington, D.C. Dulles Intl

Tue 15/4

3:55 p.m.-1:08 a.m.

2 stops11h 13m

C$ 367

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Fri 4/4

6:45 a.m.-10:42 p.m.

1 stop13h 57m

Washington, D.C. Dulles Intl

Mon 7/4

6:18 a.m.-9:45 p.m.

1 stop17h 27m

C$ 369

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Sat 3/5

12:25 p.m.-11:31 p.m.

1 stop9h 06m

Washington, D.C. Dulles Intl

Tue 13/5

11:56 a.m.-8:40 p.m.

1 stop10h 44m

C$ 376

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Wed 2/4

6:15 a.m.-11:59 p.m.

2 stops15h 44m

Washington, D.C. Dulles Intl

Tue 8/4

6:30 a.m.-11:41 a.m.

1 stop7h 11m

C$ 386

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Wed 23/4

6:15 a.m.-9:24 p.m.

1 stop13h 09m

Washington, D.C. Dulles Intl

Wed 30/4

3:30 p.m.-1:08 a.m.

1 stop11h 38m

C$ 410

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Fri 30/5

7:55 a.m.-3:06 p.m.

2 stops29h 11m

Washington, D.C. Dulles Intl

Mon 2/6

11:35 a.m.-9:19 p.m.

2 stops11h 44m

C$ 622

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Wed 16/7

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

Nonstop4h 24m

C$ 148

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Sun 14/9

7:30 a.m.-5:29 a.m.

1 stop19h 59m

C$ 194

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Mon 11/8

11:55 p.m.-9:37 a.m.

1 stop7h 42m

C$ 195

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/3

Showing 1-10 of 15 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 14 March 2025.

The best time to book flights from Calgary to Washington, D.C. Dulles Intl Airport is 32 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 21 March 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 50% on flights from Calgary to Washington, D.C. Dulles Intl Airport by exploring options for tickets in the evening.

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 16 March 2025.

Travelers seeking maximum savings on their Calgary to Washington, D.C. Dulles Intl Airport flight should consider departing on Wednesday 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.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 66.0 - 102.0 mm per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

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 21 March 2025.
Read through reviews of airlines operating flights from Calgary to Washington, D.C., such as Delta, Porter Airlines and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,895 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,895 reviews
Delta
8.0
Very good
7,895 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Porter Airlines
7.9
Good
275 reviews
Delta
8.0
Very good
7,895 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,605 reviews
Delta
8.0
Very good
7,895 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,895 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
WestJet
7.2
Good
2,783 reviews
Delta
8.0
Very good
7,895 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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$ 330 on this airline. Additional options worth looking into are Air Canada and American Airlines, starting at C$ 367 and C$ 369 round-trip. These flights start at 44% 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$ 148. Air Canada flights start at C$ 195 while deals on United Airlines start at C$ 199 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$ 243. On average you can expect to pay C$ 378. The most popular route, (Calgary - Washington, D.C. Dulles Intl), can usually be booked for C$ 373.

  • 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 Calgary?

Book flights to Calgary if you plan to visit one of these locations
Herndon
Warrenton
Arlington
Hanover
Fairfax
Bel Air
Chantilly
Winchester
Falls Church
Manassas
Alexandria
Fredericksburg
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 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 21 March 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 245AverageC$ 632FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 251AverageC$ 522FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 328AverageC$ 573FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 350AverageC$ 580FlexibilityNo 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.

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.