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Dulles Intl

$135+ 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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — IAD
Apr 11 — Apr 181
Sat 4/11
Sat 4/18
1 adult, Economy
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Cheapflights Tip: The best prices from Calgary to Washington, D.C. Dulles Intl are usually found in October or April, booked 40 days in advance, depart on a Monday or Thursday and return on a Wednesday

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 March 12, 2026.

This Trip.com deal was found by Cheapflights users on 3/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:00 am
YYC
-
IAD
1 stop7h 03m
Air Canada
Sat 5/93:45 pm
IAD
-
YYC
1 stop10h 12m
Air Canada
Deal found 3/8$211
This flugladen.de deal was found by Cheapflights users on 3/9. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1811:20 am
YYC
-
IAD
1 stop7h 53m
Air Canada
Sat 6/208:18 am
IAD
-
YYC
1 stop14h 23m
Air Canada
Deal found 3/9$299
This KAYAK deal was found by Cheapflights users on 3/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/116:45 am
YYC
-
IAD
1 stop14h 40m
United Airlines
Wed 5/136:00 am
IAD
-
YYC
1 stop13h 30m
United Airlines
Deal found 3/10$309
This American Airlines deal was found by Cheapflights users on 3/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1512:45 pm
YYC
-
IAD
1 stop8h 41m
American Airlines
Mon 4/273:26 pm
IAD
-
YYC
2 stops22h 17m
American Airlines
Deal found 3/11$319
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/318:55 am
YYC
-
IAD
1 stop13h 36m
Multiple Airlines
Wed 4/86:00 am
IAD
-
YYC
1 stop15h 09m
Multiple Airlines
Deal found 3/11$343
This American Airlines deal was found by Cheapflights users on 3/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:45 am
YYC
-
IAD
1 stop8h 24m
American Airlines
Mon 5/48:11 pm
IAD
-
YYC
2 stops18h 48m
American Airlines
Deal found 3/7$345
This American Airlines deal was found by Cheapflights users on 3/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1412:45 pm
YYC
-
IAD
1 stop8h 41m
American Airlines
Tue 4/287:26 pm
IAD
-
YYC
2 stops18h 17m
American Airlines
Deal found 3/9$346

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 March 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$211
(Trip.com)

One-way from

$135
(Air Canada)

Popular in

December

Cheapest in

October

Average price

$346

Good round-trip deal

$265 or less

Good one-way deal

$153 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 ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 12, 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

Wed 6/10

6:00 am-12:45 am

1 stop16h 45m

Washington, D.C. Dulles Intl

Sun 6/14

10:31 am-10:37 pm

1 stop14h 06m

$367

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Wed 4/15

6:40 am-5:57 pm

1 stop9h 17m

Washington, D.C. Dulles Intl

Sat 4/18

7:06 am-11:00 pm

2 stops17h 54m

$374

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Mon 5/11

6:45 am-10:56 pm

2 stops14h 11m

Washington, D.C. Dulles Intl

Wed 5/13

7:00 am-10:15 pm

1 stop17h 15m

$447

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Fri 4/10

6:00 am-11:34 pm

1 stop15h 34m

Washington, D.C. Dulles Intl

Tue 4/14

6:15 am-11:32 am

1 stop7h 17m

$498

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Fri 6/12

8:30 am-12:45 am

1 stop14h 15m

Washington, D.C. Dulles Intl

Mon 6/15

10:31 am-10:37 pm

1 stop14h 06m

$500

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Thu 6/11

7:00 am-4:39 pm

1 stop7h 39m

Washington, D.C. Dulles Intl

Mon 6/15

7:00 pm-10:00 pm

Nonstop5h 00m

$500
Quickest round-trip

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Fri 9/4

2:55 pm-9:18 pm

Nonstop4h 23m

Washington, D.C. Dulles Intl

Mon 9/7

6:15 am-11:32 am

1 stop7h 17m

$506

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Tue 8/11

9:30 am-12:40 am

1 stop13h 10m

Washington, D.C. Dulles Intl

Tue 8/18

9:10 am-12:04 pm

Nonstop4h 54m

$506

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Sat 3/28

6:15 am-11:20 pm

1 stop15h 05m

Washington, D.C. Dulles Intl

Mon 4/6

10:30 pm-1:53 pm

2 stops17h 23m

$512
Cheapest one-way

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Tue 5/12

6:00 am-12:33 am

2 stops16h 33m

$156

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Showing 1-10 of 19 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?

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 March 6, 2026.

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 36 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, September is the cheapest month in which you can book a flight from Calgary to Washington, D.C. Dulles Intl Airport (average of $84). Flying from Calgary to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $402). 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.

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 March 12, 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
9,418 reviews

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

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
9,418 reviews
United Airlines
7.4
Good
9,418 reviews

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

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
3,291 reviews
United Airlines
7.4
Good
9,418 reviews

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

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
10,800 reviews
United Airlines
7.4
Good
9,418 reviews

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

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?

    United Airlines and Delta can get you from Calgary to Washington, D.C. Dulles Intl Airport in just under 9h 17m. Your travel time can differ by up to 7h 28m. 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 ($129), 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 65% 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 $122 while deals on United Airlines start at $158 one-way.

  • 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 $410, our data shows the cheapest flight currently is $110. When looking at the most popular route, (Calgary - Washington, D.C. Dulles Intl), you can expect to pay $309 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, September is the cheapest month in which you can book a flight from Calgary to Washington, D.C. Dulles Intl Airport (average of $84). Flying from Calgary to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $402). 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
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Hyattsville
Hanover
Laurel
Rockville
Upper Marlboro
Linthicum Heights
Fredericksburg
Largo
Bowie
Clinton
Towson
College Park

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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
Edmonton to Baltimore flights
Calgary to Reagan-National 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 March 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$129Average$418FlexibilityNo cancel feeOn-time67%
WestJetCheapest$168Average$549FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$280Average$617FlexibilityNo cancel feeOn-time69%

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