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Dulles Intl

$153+ 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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — IAD
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
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 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 January 26, 2026.

This Booking.com deal was found by Cheapflights users on 1/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/195:30 am
YYC
-
IAD
1 stop8h 19m
Air Canada
Wed 2/254:30 pm
IAD
-
YYC
1 stop9h 44m
Air Canada
Deal found 1/26$269
This American Airlines deal was found by Cheapflights users on 1/24. 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.
Fri 5/16:45 am
YYC
-
IAD
2 stops24h 04m
American Airlines
Mon 5/48:11 pm
IAD
-
YYC
2 stops18h 43m
American Airlines
Deal found 1/24$283
This Kiwi.com deal was found by Cheapflights users on 1/25. 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.
Thu 5/211:00 am
YYC
-
IAD
1 stop12h 21m
Multiple Airlines
Mon 5/257:00 pm
IAD
-
YYC
Nonstop5h 00m
Multiple Airlines
Deal found 1/25$344
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Mon 4/208:55 am
YYC
-
IAD
1 stop13h 41m
Multiple Airlines
Wed 5/136:20 am
IAD
-
YYC
1 stop12h 50m
Multiple Airlines
Deal found 1/26$346
This Air Canada deal was found by Cheapflights users on 1/24. 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.
Fri 5/16:30 am
YYC
-
IAD
1 stop11h 59m
Air Canada
Mon 5/44:10 pm
IAD
-
YYC
1 stop8h 48m
Air Canada
Deal found 1/24$350
This Kiwi.com deal was found by Cheapflights users on 1/25. 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.
Fri 5/2211:45 am
YYC
-
IAD
Nonstop4h 25m
WestJet
Mon 5/257:00 pm
IAD
-
YYC
Nonstop5h 00m
WestJet
Deal found 1/25$365
This American Airlines deal was found by Cheapflights users on 1/26. 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.
Mon 4/2012:45 pm
YYC
-
IAD
2 stops19h 17m
American Airlines
Wed 5/138:11 pm
IAD
-
YYC
2 stops18h 43m
American Airlines
Deal found 1/26$369
This Air Canada deal was found by Cheapflights users on 1/23. 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.
Fri 3/279:40 am
YYC
-
IAD
1 stop8h 46m
Air Canada
Thu 4/99:55 am
IAD
-
YYC
1 stop8h 19m
Air Canada
Deal found 1/23$396
This Delta deal was found by Cheapflights users on 1/26. 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.
Mon 4/206:30 am
YYC
-
IAD
2 stops14h 33m
Delta
Wed 5/137:00 am
IAD
-
YYC
1 stop12h 10m
Delta
Deal found 1/26$404
This United Airlines deal was found by Cheapflights users on 1/25. 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.
Mon 3/26:15 am
YYC
-
IAD
1 stop15h 04m
United Airlines
Mon 3/910:10 pm
IAD
-
YYC
1 stop16h 16m
United Airlines
Deal found 1/25$424

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 January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$269
(Booking.com)

One-way from

$153
(Trip.com)

Popular in

December

Cheapest in

October

Average price

$344

Good round-trip deal

$249 or less

Good one-way deal

$255 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. 22% potential increase in price ($102 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 26, 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

Calgary

Fly to

Dulles Intl

Route

Depart

Return

Price

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Thu 2/19

5:30 am-3:49 pm

1 stop8h 19m

Washington, D.C. Dulles Intl

Wed 2/25

4:30 pm-12:14 am

1 stop9h 44m

$269

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Fri 5/1

6:45 am-11:28 pm

1 stop14h 43m

Washington, D.C. Dulles Intl

Mon 5/4

8:11 pm-12:54 pm

2 stops18h 43m

$306

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Fri 5/1

6:30 am-8:29 pm

1 stop11h 59m

Washington, D.C. Dulles Intl

Mon 5/4

4:10 pm-10:58 pm

1 stop8h 48m

$350

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Mon 4/20

6:30 am-11:03 pm

2 stops14h 33m

Washington, D.C. Dulles Intl

Wed 5/13

7:00 am-5:10 pm

1 stop12h 10m

$404

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Mon 3/2

6:15 am-11:19 pm

1 stop15h 04m

Washington, D.C. Dulles Intl

Mon 3/9

10:10 pm-12:26 pm

1 stop16h 16m

$424

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Sun 5/3

11:00 am-11:03 pm

1 stop10h 03m

Washington, D.C. Dulles Intl

Sun 5/17

7:00 am-5:10 pm

1 stop12h 10m

$431

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Thu 2/26

2:13 pm-11:19 pm

1 stop7h 06m

Washington, D.C. Dulles Intl

Wed 3/4

9:45 am-8:19 pm

2 stops12h 34m

$437

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Fri 5/22

2:00 pm-11:13 pm

1 stop7h 13m

Washington, D.C. Dulles Intl

Mon 5/25

10:07 pm-11:54 am

1 stop15h 47m

$438

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Mon 2/23

6:15 am-7:24 pm

1 stop11h 09m

Washington, D.C. Dulles Intl

Mon 3/2

10:30 pm-11:31 am

1 stop15h 01m

$438

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Mon 4/20

3:22 pm-4:46 pm

3 stops23h 24m

Washington, D.C. Dulles Intl

Wed 5/13

10:35 pm-12:19 pm

2 stops15h 44m

$445

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/23

Showing 1-10 of 15 results
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 January 23, 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 $106). Flying from Calgary to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $403). 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 January 26, 2026.
Read through reviews of airlines operating flights from Calgary to Washington, D.C. Dulles Intl Airport, such as United Airlines, WestJet, and Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,200 reviews

Crew

8.1

Boarding

7.7

Overall

7.4

Comfort

7.3

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
9,200 reviews
United Airlines
7.4
Good
9,200 reviews

Crew

8.1

Boarding

7.7

Overall

7.4

Comfort

7.3

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
3,249 reviews
United Airlines
7.4
Good
9,200 reviews

Crew

8.1

Boarding

7.7

Overall

7.4

Comfort

7.3

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
10,656 reviews
United Airlines
7.4
Good
9,200 reviews

Crew

8.1

Boarding

7.7

Overall

7.4

Comfort

7.3

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?

    Air Canada, American Airlines, and Delta can get you from Calgary to Washington, D.C. Dulles Intl Airport in just under 8h 19m. Your travel time can differ by up to 6h 24m. 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 64% 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 $409, our data shows the cheapest flight currently is $168. When looking at the most popular route, (Calgary - Washington, D.C. Dulles Intl), you can expect to pay $325 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 $106). Flying from Calgary to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $403). 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
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

Browse thousands of different options on Cheapflights for your next trip

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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 January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$129Average$275FlexibilityNo cancel feeOn-time67%
WestJetCheapest$168Average$549FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$280Average$637FlexibilityNo cancel feeOn-time69%

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