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Cheap flights from Calgary to Washington, D.C. Dulles Intl Airport from C$ 168

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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — IAD
17 Jun — 24 Jun1
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 12 June 2025.

Round-trip from

C$ 224

One-way from

C$ 168

Popular in

December

Cheapest in

January

Average price

C$ 578

Good round-trip deal

C$ 428 or less

Good one-way deal

C$ 437 or less
WestJet
  • WestJet
  • 9/7-30/7
  • Nonstop
  • 9h 15m total
  • Calgary to Washington, D.C.
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Air Canada
  • Air Canada
  • 5/9
  • 1 total stop
  • 7h 43m total
  • Calgary to Washington, D.C.
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Highest demand for flights based on searches. 12% potential increase in price (C$ 103 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease (C$ 37 potential savings vs. average RT price).
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Average for round-trip flights in June 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 12 June 2025.

Wed 9/711:30 a.m.YYC - IAD
Nonstop4h 24mWestJet
Wed 30/76:45 p.m.IAD - YYC
Nonstop4h 51mWestJet
Deal found 10/6C$ 224
Wed 16/76:15 a.m.YYC - IAD
1 stop16h 30mUnited Airlines
Mon 21/76:30 a.m.IAD - YYC
1 stop17h 18mUnited Airlines
Deal found 10/6C$ 287
Mon 22/912:25 a.m.YYC - IAD
1 stop7h 13mAir Canada
Tue 23/92:25 p.m.IAD - YYC
1 stop10h 57mAir Canada
Deal found 12/6C$ 304
Fri 8/811:30 a.m.YYC - IAD
Nonstop4h 24mMultiple Airlines
Sun 10/811:58 a.m.IAD - YYC
1 stop10h 04mMultiple Airlines
Deal found 9/6C$ 319
Wed 24/128:00 a.m.YYC - IAD
2 stops14h 02mAmerican Airlines
Wed 31/125:15 p.m.IAD - YYC
1 stop19h 58mAmerican Airlines
Deal found 11/6C$ 360
Fri 22/811:30 a.m.YYC - IAD
Nonstop4h 24mDelta
Mon 25/87:35 a.m.IAD - YYC
1 stop11h 10mDelta
Deal found 9/6C$ 362
Wed 9/711:55 p.m.YYC - IAD
2 stops13h 01mPorter Airlines
Wed 16/74:10 p.m.IAD - YYC
2 stops26h 10mPorter Airlines
Deal found 10/6C$ 604
Thu 11/97:00 p.m.YYC - IAD
1 stop10h 32mAlaska Airlines
Mon 15/99:00 a.m.IAD - YYC
1 stop27h 40mAlaska Airlines
Deal found 10/6C$ 633

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 12 June 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 9/7

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

Nonstop4h 24m

Washington, D.C. Dulles Intl

Wed 30/7

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

Nonstop4h 51m

C$ 224

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Wed 16/7

6:15 a.m.-12:45 a.m.

1 stop16h 30m

Washington, D.C. Dulles Intl

Mon 21/7

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

1 stop17h 18m

C$ 287

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Fri 8/8

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

Nonstop4h 24m

Washington, D.C. Dulles Intl

Sun 10/8

11:58 a.m.-8:02 p.m.

1 stop10h 04m

C$ 319

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Mon 21/7

1:10 a.m.-9:37 a.m.

1 stop6h 27m

Washington, D.C. Dulles Intl

Tue 29/7

2:25 p.m.-12:10 a.m.

1 stop11h 45m

C$ 320

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Fri 22/8

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

Nonstop4h 24m

Washington, D.C. Dulles Intl

Mon 25/8

7:35 a.m.-4:45 p.m.

1 stop11h 10m

C$ 362

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Tue 15/7

6:29 a.m.-11:58 p.m.

2 stops15h 29m

Washington, D.C. Dulles Intl

Tue 29/7

9:03 a.m.-11:29 p.m.

2 stops16h 26m

C$ 429

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Wed 9/7

11:55 p.m.-2:56 p.m.

2 stops13h 01m

Washington, D.C. Dulles Intl

Wed 16/7

4:10 p.m.-4:20 p.m.

2 stops26h 10m

C$ 604

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Fri 5/9

11:55 p.m.-9:38 a.m.

1 stop7h 43m

C$ 168

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Thu 31/7

6:15 a.m.-12:45 a.m.

1 stop16h 30m

C$ 172

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Mon 8/9

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

Nonstop4h 20m

C$ 178

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

Showing 1-10 of 15 results
1
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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 9 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 12 June 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 66% 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 8 June 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.

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 12 June 2025.
Read through reviews of airlines operating flights from Calgary to Washington, D.C., such as Alaska Airlines, Porter Airlines and Delta. 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.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Porter Airlines
8.0
Very good
288 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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$ 224 on this airline. Additional options worth looking into are United Airlines and Air Canada, starting at C$ 287 and C$ 320 round-trip. These flights start at 56% 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$ 168. United Airlines flights start at C$ 172 while deals on WestJet start at C$ 178 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$ 280. On average you can expect to pay C$ 653. The most popular route, (Calgary - Washington, D.C. Dulles Intl), can usually be booked for C$ 287.

  • 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 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 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 169AverageC$ 481FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 232AverageC$ 546FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 240AverageC$ 524FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 307AverageC$ 526FlexibilityNo 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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