Cheap flights from Calgary to Washington, D.C. Dulles Intl Airport from C$ 167

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 28/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — IAD
22 Nov — 29 Nov1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Calgary to Washington, D.C. Dulles Intl are usually found in October or January, booked 36 days in advance, depart on a Friday or Monday and return on a Tuesday

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 23 October 2025.

Round-trip from

C$ 321

One-way from

C$ 167

Popular in

December

Cheapest in

October

Average price

C$ 357
10/11-17/12
  • 10/11-17/12
  • 2 total stops
  • 29h 59m total
  • Calgary to Washington, D.C.
United Airlines
  • United Airlines
  • 28/10
  • 1 total stop
  • 11h 57m total
  • Calgary to Washington, D.C.
Highest demand for flights based on searches. 19% potential increase in price (C$ 167 potential increase over avg. RT price).
Cheapest flight prices on average. 7% potential price decrease (C$ 47 potential savings vs. average RT price).
Average for round-trip flights in October 2025

Find flight deals from Calgary to Dulles Intl

Enter your travel dates to find the best prices.

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 23 October 2025.

Sat 25/1012:54 p.m.YYC - IAD
1 stop7h 57mAmerican Airlines
Mon 27/108:25 p.m.IAD - YYC
2 stops17h 34mAmerican Airlines
Deal found 21/10C$ 304
Mon 10/1112:30 a.m.YYC - IAD
1 stop17h 50mMultiple Airlines
Tue 16/129:00 a.m.IAD - YYC
1 stop12h 09mMultiple Airlines
Deal found 23/10C$ 321
Tue 2/128:55 a.m.YYC - IAD
1 stop27h 34mMultiple Airlines
Tue 9/129:00 a.m.IAD - YYC
1 stop28h 44mMultiple Airlines
Deal found 20/10C$ 332
Sun 7/128:15 p.m.YYC - IAD
2 stops19h 10mMultiple Airlines
Sun 14/125:45 a.m.IAD - YYC
1 stop15h 24mMultiple Airlines
Deal found 23/10C$ 337
Mon 10/1112:30 a.m.YYC - IAD
1 stop17h 50mMultiple Airlines
Wed 17/129:00 a.m.IAD - YYC
1 stop12h 09mMultiple Airlines
Deal found 21/10C$ 343
Wed 12/119:45 p.m.YYC - IAD
2 stops24h 26mMultiple Airlines
Tue 16/129:00 a.m.IAD - YYC
1 stop12h 09mMultiple Airlines
Deal found 23/10C$ 347
Sat 25/103:49 p.m.YYC - IAD
1 stop11h 47mUnited Airlines
Mon 27/1010:10 p.m.IAD - YYC
1 stop18h 11mUnited Airlines
Deal found 21/10C$ 392
Mon 27/1012:30 a.m.YYC - IAD
1 stop17h 50mMultiple Airlines
Tue 4/118:40 a.m.IAD - YYC
1 stop12h 29mMultiple Airlines
Deal found 22/10C$ 396
Sun 23/118:55 a.m.YYC - IAD
1 stop30h 51mMultiple Airlines
Fri 28/116:55 a.m.IAD - YYC
1 stop14h 14mMultiple Airlines
Deal found 23/10C$ 410

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 23 October 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

Mon 10/11

12:30 a.m.-8:20 p.m.

1 stop17h 50m

Washington, D.C. Dulles Intl

Tue 16/12

9:00 a.m.-7:09 p.m.

1 stop12h 09m

C$ 321

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Wed 12/11

9:45 p.m.-12:11 a.m.

2 stops24h 26m

Washington, D.C. Dulles Intl

Tue 16/12

9:00 a.m.-7:09 p.m.

1 stop12h 09m

C$ 347

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Sun 23/11

8:15 p.m.-5:46 p.m.

2 stops19h 31m

Washington, D.C. Dulles Intl

Fri 28/11

6:55 a.m.-7:09 p.m.

1 stop14h 14m

C$ 417

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Wed 26/11

9:45 p.m.-5:46 p.m.

2 stops18h 01m

Washington, D.C. Dulles Intl

Mon 1/12

6:46 p.m.-11:44 a.m.

1 stop18h 58m

C$ 420

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Sun 7/12

7:00 p.m.-5:25 p.m.

2 stops20h 25m

Washington, D.C. Dulles Intl

Sun 14/12

5:45 a.m.-8:16 p.m.

2 stops16h 31m

C$ 426

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Tue 2/12

2:45 p.m.-12:02 a.m.

1 stop7h 17m

Washington, D.C. Dulles Intl

Tue 9/12

6:00 a.m.-1:40 p.m.

2 stops9h 40m

C$ 456

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Fri 12/12

7:35 a.m.-11:08 p.m.

2 stops13h 33m

Washington, D.C. Dulles Intl

Sun 14/12

11:58 a.m.-8:57 p.m.

1 stop10h 59m

C$ 456

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Sat 15/11

12:41 p.m.-11:58 p.m.

1 stop9h 17m

Washington, D.C. Dulles Intl

Sat 22/11

6:03 a.m.-2:06 p.m.

1 stop10h 03m

C$ 489

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Sun 7/12

6:30 a.m.-10:43 p.m.

1 stop14h 13m

Washington, D.C. Dulles Intl

Sun 14/12

6:00 a.m.-9:50 p.m.

1 stop17h 50m

C$ 504

CalgaryWashington, D.C.

YYC - IAD

YYCIAD

Calgary

Sat 22/11

12:45 p.m.-1:12 p.m.

2 stops22h 27m

Washington, D.C. Dulles Intl

Sat 6/12

8:05 p.m.-11:40 a.m.

2 stops17h 35m

C$ 511

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/10

Showing 1-10 of 20 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 17 October 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, September is the cheapest month in which you can book a flight from Calgary to Washington, D.C. Dulles Intl Airport (average of C$ 148). Flying from Calgary to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of C$ 440). 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 23 October 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 72% 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 19 October 2025.

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

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 23 October 2025.
Check out reviews from past customers who have flown with Delta,United Airlines, andAmerican Airlines from Calgary to Washington, D.C. Dulles Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!

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 5 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 American Airlines. Our recent data shows that you can find tickets from as low as C$ 192 on this airline. Additional options worth looking into are Delta and WestJet, starting at C$ 225 and C$ 235 round-trip. These flights start at 60% lower than the current average price 3 months from now.

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

    The top 3 most reliable airlines when flying from Calgary to Washington, D.C. Dulles Intl Airport are Air Canada (93%), United Airlines (88%) and WestJet (58%).

  • 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 C$ 148). Flying from Calgary to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of C$ 440). 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 Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Warrenton
Hanover
Reston
Fairfax
Ellicott City
Oxon Hill
Gaithersburg
Herndon
Winchester
Arlington
Manassas
Fredericksburg
Alexandria
Rockville

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Top 5 airlines flying from Calgary to Dulles Intl

Discover the top 5 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 23 October 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 192AverageC$ 287FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapestC$ 225AverageC$ 405FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
WestJetCheapestC$ 235AverageC$ 382FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 294AverageC$ 537FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 305AverageC$ 526FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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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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