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Cheap flights from Calgary to Washington, D.C. Dulles Intl Airport from £128

YYC — IAD
11 Oct — 18 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Calgary to Dulles Intl

Enter your travel dates to find the best prices.

Cheapest flights from Calgary to Dulles Intl

Sat 21/1114:35 -
1 stop8h 02m
Thu 26/1106:11 -
1 stop8h 24m
Deal found 9/9£164
Fri 2/1006:00 -
1 stop15h 25m
Sun 11/1015:45 -
1 stop7h 42m
Deal found 10/9£171
Thu 29/1013:35 -
1 stop9h 02m
Sat 31/1008:37 -
2 stops15h 16m
Deal found 8/9£174
Tue 27/1015:30 -
1 stop13h 31m
Sat 31/1009:55 -
2 stops12h 41m
Deal found 9/9£174
Sat 10/1006:00 -
2 stops16h 50m
Sat 31/1008:37 -
2 stops15h 16m
Deal found 6/9£175
Sat 3/1006:00 -
1 stop11h 26m
Mon 5/1006:35 -
1 stop17h 13m
Deal found 10/9£178
Wed 11/1114:35 -
1 stop8h 02m
Wed 18/1106:11 -
1 stop8h 24m
Deal found 8/9£207
Wed 11/1107:00 -
2 stops15h 30m
Wed 18/1109:55 -
1 stop16h 11m
Deal found 8/9£211
Fri 30/1006:35 -
2 stops14h 41m
Sun 1/1106:13 -
1 stop8h 30m
Deal found 7/9£214

Find flight deals from Calgary to Dulles Intl

Round-trip from

£164

One-way from

£128

Popular in

December

Cheapest in

October

Average price

£268
United Airlines
  • United Airlines
  • 21/11-26/11
  • 2 total stops
  • 16h 26m total
  • Calgary to Washington, D.C.
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Delta
  • Delta
  • 26/9-31/12
  • 1 total stop
  • 10h 29m total
  • Calgary to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£37 potential increase over avg. return price).
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Cheapest flight prices on average. 7% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

 
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 return flight

CalgaryWashington, D.C.

YYC Calgary - IAD Washington, D.C. Dulles Intl

YYCIAD

Calgary

Sat 26/9

07:45-20:14

1 stop10h 29m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£128

CalgaryWashington, D.C.

YYC Calgary - IAD Washington, D.C. Dulles Intl

YYCIAD

Calgary

Sat 24/10

06:45-21:13

1 stop12h 28m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£131
Fastest return journey

CalgaryWashington, D.C.

YYC Calgary - IAD Washington, D.C. Dulles Intl

YYCIAD

Calgary

Sat 17/10

00:20-09:19

1 stop6h 59m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£155

CalgaryWashington, D.C.

YYC Calgary - IAD Washington, D.C. Dulles Intl

YYCIAD

Calgary

Sat 21/11

14:35-23:37

1 stop8h 02m

Washington, D.C. Dulles Intl

Thu 26/11

06:11-13:35

1 stop8h 24m

£164

CalgaryWashington, D.C.

YYC Calgary - IAD Washington, D.C. Dulles Intl

YYCIAD

Calgary

Sat 19/9

06:00-19:23

1 stop11h 23m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£166

CalgaryWashington, D.C.

YYC Calgary - IAD Washington, D.C. Dulles Intl

YYCIAD

Calgary

Sun 20/9

06:35-18:05

1 stop9h 30m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£166

CalgaryWashington, D.C.

YYC Calgary - IAD Washington, D.C. Dulles Intl

YYCIAD

Calgary

Wed 23/9

06:00-00:44

2 stops16h 44m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£166

CalgaryWashington, D.C.

YYC Calgary - IAD Washington, D.C. Dulles Intl

YYCIAD

Calgary

Sat 3/10

06:35-23:14

2 stops14h 39m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£166

CalgaryWashington, D.C.

YYC Calgary - IAD Washington, D.C. Dulles Intl

YYCIAD

Calgary

Sun 20/9

06:00-22:59

2 stops14h 59m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£171

CalgaryWashington, D.C.

YYC Calgary - IAD Washington, D.C. Dulles Intl

YYCIAD

Calgary

Thu 24/9

07:45-00:41

2 stops14h 56m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£171

Flights are sorted by cheapest return flights first.

Deals found on 11/9

Showing 1-10 of 16 resultsSorted by cheapest first
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 return price

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 85 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, October is the cheapest month in which you can book a flight from Calgary to Washington, D.C. Dulles Intl Airport (average of £214). Flying from Calgary to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of £533). 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?

When flying from Calgary to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from Calgary to Washington, D.C. Dulles Intl Airport?

Airfare is below average for this route at the moment.

Calgary to Washington, D.C. Dulles Intl Airport flights typically cost between £202 and £282 in November.
The cheapest return price found within the last 5 days was £164 on United Airlines (21 Nov–26 Nov).

Reviews of airlines servicing Dulles Intl

Check out reviews from past customers who have flown with United Airlines and Air Canada 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.
United Airlines
7.4
Good
10,197 reviews
Check prices

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.7

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
10,197 reviews
United Airlines
7.4
Good
10,197 reviews
Check prices

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.7

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Air Canada
7.1
Good
11,611 reviews
United Airlines
7.4
Good
10,197 reviews
Check prices

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.7

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

  • What airport do you fly from for flights from Calgary to Washington, D.C. Dulles Intl?

    Calgary (YYC), located 5.8 mi from the city center, is the airport you fly out of when you book flights from Calgary to Washington, D.C. Dulles Intl. 2 airlines have flights from Calgary to Washington, D.C. Dulles Intl on a regular basis. Booking flights from Calgary to Washington, D.C. Dulles Intl should not be difficult; the airport handles an average of 1 outbound flight to Washington, D.C. Dulles Intl per day.

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

    Departing from Calgary to Washington, D.C. Dulles Intl Airport will take you 8h 02m. The distance from Calgary to Washington, D.C. Dulles Intl Airport is about 1946 mi.

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

    Flying on Air Canada is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at £132. Another option worth looking into is United Airlines, starting at £164 return. These flights start at 57% 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?

    No one likes to see their flight delayed. When booking a flight from Calgary to Washington, D.C. Dulles Intl Airport consider choosing United Airlines (73%), Air Canada (72%) or Scandinavian Airlines (61%) as they are the most reliable in getting you off to your destination on time.

  • 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 holiday 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, October is the cheapest month in which you can book a flight from Calgary to Washington, D.C. Dulles Intl Airport (average of £214). Flying from Calgary to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of £533). 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
Silver Spring
Alexandria
Gaithersburg
Oxon Hill
Hanover
Woodbridge
Glen Burnie
Springfield
Sterling

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Calgary to Dulles Intl

AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£132Average£239FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest£164Average£215FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Calgary to Dulles Intl?

Cheapflights makes it easy to find Calgary to Dulles Intl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Calgary to Dulles Intl?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Calgary to Dulles Intl for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Calgary to Dulles Intl with no change fees?

Yes! Cheapflights helps users easily find flights from Calgary to Dulles Intl with no change fees.

Can Cheapflights notify me if prices for flights from Calgary to Dulles Intl become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Dulles Intl from Calgary today and book when prices fit your budget.

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