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Dulles Intl

$175+ Cheap flights from Calgary (YYC) to Dulles Intl (IAD)

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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — IAD
juil. 8 — juil. 151
mer. 7/8
mer. 7/15
1 adult, Economy
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Cheapflights Tip: The best prices from Calgary to Washington, D.C. Dulles Intl are usually found in August or October, booked 38 days in advance, depart on a Thursday or Monday and return on a Monday

Cheap 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 juin 8, 2026.

This Trip.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 9/411:45 am
YYC
-
IAD
Nonstop4h 25m
WestJet
lun. 9/77:00 pm
IAD
-
YYC
Nonstop5h 00m
WestJet
Deal found 6/3$311
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 10/77:45 am
YYC
-
IAD
2 stops14h 35m
Delta
mer. 10/1410:05 am
IAD
-
YYC
2 stops15h 08m
Delta
Deal found 6/5$312
This Air Canada deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 8/276:00 am
YYC
-
IAD
1 stop7h 01m
Air Canada
lun. 8/314:20 pm
IAD
-
YYC
1 stop8h 40m
Air Canada
Deal found 6/7$320
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 10/77:45 am
YYC
-
IAD
2 stops14h 35m
Delta
mar. 10/1310:05 am
IAD
-
YYC
2 stops15h 08m
Delta
Deal found 6/8$334
This Air Canada deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 10/76:30 am
YYC
-
IAD
1 stop6h 55m
Air Canada
mer. 10/149:55 am
IAD
-
YYC
1 stop11h 37m
Air Canada
Deal found 6/5$335
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 9/182:58 pm
YYC
-
IAD
Nonstop4h 20m
United Airlines
mar. 9/229:07 am
IAD
-
YYC
Nonstop4h 51m
United Airlines
Deal found 6/7$336
This Air Canada deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 9/186:30 am
YYC
-
IAD
1 stop6h 55m
Air Canada
mar. 9/223:45 pm
IAD
-
YYC
1 stop9h 42m
Air Canada
Deal found 6/6$348

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 juin 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$311
(Trip.com)

One-way from

$175
(Air Canada)

Popular in

December

Cheapest in

August

Average price

$423

Good round-trip deal

$184 or less

Good one-way deal

$186 or less
Provider with most accurate pricing for Calgary-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Calgary-Washington, D.C. Dulles Intl flights.
Search Deals
From Calgary to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Calgary to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($82 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($25 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 2,558,603 searches. Data last updated juin 8, 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

mer. 10/7

7:45 am-12:20 am

2 stops14h 35m

Washington, D.C. Dulles Intl

mer. 10/14

10:05 am-11:13 pm

2 stops15h 08m

$328
Quickest round-trip

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

ven. 9/18

2:58 pm-9:18 pm

Nonstop4h 20m

Washington, D.C. Dulles Intl

mar. 9/22

9:07 am-11:58 am

Nonstop4h 51m

$336

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

mar. 9/1

2:15 pm-11:21 pm

1 stop7h 06m

Washington, D.C. Dulles Intl

lun. 9/7

11:44 am-8:35 pm

1 stop10h 51m

$387

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

jeu. 8/27

6:45 am-6:09 pm

1 stop9h 24m

Washington, D.C. Dulles Intl

lun. 8/31

6:10 am-8:35 pm

2 stops16h 25m

$388

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

mer. 10/7

7:00 am-4:36 pm

1 stop7h 36m

Washington, D.C. Dulles Intl

mar. 10/13

10:05 am-11:13 pm

2 stops15h 08m

$393

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

mer. 8/5

6:00 am-11:32 pm

1 stop15h 32m

Washington, D.C. Dulles Intl

dim. 8/9

6:30 am-6:10 pm

1 stop13h 40m

$440

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

jeu. 8/27

2:58 pm-9:18 pm

Nonstop4h 20m

Washington, D.C. Dulles Intl

lun. 8/31

3:40 pm-10:36 pm

1 stop8h 56m

$449

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

mer. 7/22

6:00 am-11:19 pm

2 stops15h 19m

Washington, D.C. Dulles Intl

mer. 7/29

6:30 am-9:48 pm

1 stop17h 18m

$464
Cheapest one-way
Quickest one-way

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

mer. 9/23

2:58 pm-9:18 pm

Nonstop4h 20m

$185

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

mer. 9/9

6:00 am-12:44 am

2 stops16h 44m

$199

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/5

Showing 1-10 of 17 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Calgary-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Calgary-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Calgary-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Calgary-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Calgary-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 price you pay for your flight from Calgary to Washington, D.C. Dulles Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 35 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Calgary to Washington, D.C. Dulles Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Calgary to Washington, D.C. Dulles Intl Airport (average of $239). Flying from Calgary to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $664). 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 juin 8, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Calgary to Washington, D.C. Dulles Intl Airport as you normally would.

How much does it cost to fly round-trip from Calgary to Washington, D.C. Dulles Intl Airport?

The best insider tips for Calgary to Washington, D.C. Dulles Intl Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Calgary to Washington, D.C. Dulles Intl Airport trip
Our travel experts
Jenna Scatena

Jenna Scatena

Expert on YYC

Journalist and Travel Writer, Jenna Scatena is an award-winning travel writer with a love for sharing stories and exploring new places, especially by Vespa. Though she's from San Francisco, she has spent a significant chunk of her vacation days over the last decade eating her way through Texas and sleeping in hotels around the world—especially in California, the Middle East, and Europe.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on IAD

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

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 juin 8, 2026.
Read through reviews of airlines operating flights from Calgary to Washington, D.C. Dulles Intl Airport, such as United Airlines,WestJet, andAir Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,785 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,785 reviews
United Airlines
7.4
Good
9,785 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
WestJet
7.2
Good
3,354 reviews
United Airlines
7.4
Good
9,785 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
Air Canada
7.1
Good
11,146 reviews
United Airlines
7.4
Good
9,785 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

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?

    Located just 5.8 mi from the city center, Calgary is the airport most travelers will use when flying to Washington, D.C. Dulles Intl from Calgary. Booking flights from Calgary (YYC) to Washington, D.C. Dulles Intl should be relatively easy as there are 0 daily outbound flights to Washington, D.C. Dulles Intl from 3 different airlines.

  • How long is the flight from Calgary to Washington, D.C. Dulles Intl Airport?

    WestJet, Delta, and Air Canada can get you from Calgary to Washington, D.C. Dulles Intl Airport in just under 4h 25m. Your travel time can differ by up to 10h 10m. The distance from Calgary to Washington, D.C. Dulles Intl Airport is about 1946 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Calgary to Washington, D.C. Dulles Intl Airport round-trip?

    According to our current data, Air Canada ($126), WestJet ($168), and United Airlines ($280) offers the cheapest pricing from Calgary to Washington, D.C. Dulles Intl Airport. You may be able to fly from Calgary to Washington, D.C. Dulles Intl Airport for 68% less than the average price by searching for these airlines.

  • 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 $105. Air Canada flights start at $123 while deals on United Airlines start at $158 one-way.

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

    Before booking your flight to Washington, D.C. Dulles Intl Airport from Calgary, check out the most reliable airlines to get you to your destination on time: Scandinavian Airlines (80%), Delta (80%), WestJet( 80%).

  • What are the cheapest flights from Calgary to Washington, D.C. Dulles Intl Airport?

    While on average a flight from Calgary to Washington, D.C. Dulles Intl Airport is generally $280, our data shows the cheapest flight currently is $131. When looking at the most popular route, (Calgary - Washington, D.C. Dulles Intl), you can expect to pay $312 for that flight.

  • 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, August is the cheapest month in which you can book a flight from Calgary to Washington, D.C. Dulles Intl Airport (average of $239). Flying from Calgary to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $664). 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

Traveling 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
Alexandria
Tysons
Owings Mills
Springfield
Arlington
Reston
Rockville
Herndon
Fredericksburg
Hyattsville
Manassas
Hanover
Chantilly
Laurel
Falls Church
Waldorf
Silver Spring
Largo
Clinton
Hunt Valley

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Alternative routes for Calgary to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Calgary to Baltimore flights
Calgary to Reagan-National flights
Edmonton to Baltimore flights

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 2,558,603 searches. Data last updated juin 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$126Average$433FlexibilityNo cancel feeOn-time67%
WestJetCheapest$168Average$429FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$280Average$617FlexibilityNo cancel feeOn-time69%

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