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Cheap flights from Colorado Springs to Washington, D.C. Dulles Intl Airport from £147

COS — IAD
10 Dec — 17 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Colorado Springs to Dulles Intl

Enter your travel dates to find the best prices.

Cheapest flights from Colorado Springs to Dulles Intl

Fri 4/1210:25 -
1 stop7h 05m
Mon 7/1208:20 -
1 stop6h 17m
Deal found 5/11£275
Fri 4/1213:40 -
1 stop5h 50m
Mon 7/1215:00 -
2 stops9h 24m
Deal found 5/11£279
Tue 22/1217:06 -
1 stop5h 53m
Thu 31/1206:45 -
1 stop5h 52m
Deal found 5/11£280
Tue 1/1218:05 -
2 stops13h 11m
Tue 8/1206:00 -
1 stop8h 33m
Deal found 8/11£297
Thu 10/1213:40 -
1 stop5h 50m
Tue 15/1208:07 -
2 stops11h 16m
Deal found 8/11£308
Wed 2/1218:05 -
2 stops13h 11m
Mon 7/1210:11 -
2 stops14h 13m
Deal found 6/11£312
Thu 3/1208:38 -
1 stop6h 41m
Mon 7/1217:30 -
1 stop6h 33m
Deal found 6/11£315
Mon 7/1208:02 -
2 stops13h 21m
Mon 14/1208:07 -
1 stop6h 26m
Deal found 9/11£319
Fri 4/1208:02 -
2 stops13h 21m
Tue 8/1208:07 -
2 stops11h 16m
Deal found 6/11£320

Find flight deals from Colorado Springs to Dulles Intl

Round-trip from

£275

One-way from

£147

Popular in

March

Cheapest in

November

Average price

£321
United Airlines
  • United Airlines
  • 10/12-14/12
  • 2 total stops
  • 11h 58m total
  • Colorado Springs to Washington, D.C.
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United Airlines
  • United Airlines
  • 23/1-31/12
  • 1 total stop
  • 5h 47m total
  • Colorado Springs to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£15 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Colorado Springs to Washington, D.C. Dulles Intl Airport that are best for you.

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Price

Cheapest return flight
Fastest return journey

Colorado SpringsWashington, D.C.

COS Colorado Springs - IAD Washington, D.C. Dulles Intl

COSIAD

Colorado Springs

Tue 22/12

17:06-00:59

1 stop5h 53m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£147

Colorado SpringsWashington, D.C.

COS Colorado Springs - IAD Washington, D.C. Dulles Intl

COSIAD

Colorado Springs

Wed 16/12

08:02-20:11

2 stops10h 09m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£151

Colorado SpringsWashington, D.C.

COS Colorado Springs - IAD Washington, D.C. Dulles Intl

COSIAD

Colorado Springs

Wed 5/5

11:55-22:36

1 stop8h 41m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£172

Colorado SpringsWashington, D.C.

COS Colorado Springs - IAD Washington, D.C. Dulles Intl

COSIAD

Colorado Springs

Tue 24/11

10:25-19:30

1 stop7h 05m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£183

Colorado SpringsWashington, D.C.

COS Colorado Springs - IAD Washington, D.C. Dulles Intl

COSIAD

Colorado Springs

Wed 9/12

12:10-20:49

1 stop6h 39m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£188

Colorado SpringsWashington, D.C.

COS Colorado Springs - IAD Washington, D.C. Dulles Intl

COSIAD

Colorado Springs

Sat 12/12

09:24-17:19

1 stop5h 55m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£188

Colorado SpringsWashington, D.C.

COS Colorado Springs - IAD Washington, D.C. Dulles Intl

COSIAD

Colorado Springs

Wed 5/5

17:55-09:11

2 stops13h 16m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£201

Colorado SpringsWashington, D.C.

COS Colorado Springs - IAD Washington, D.C. Dulles Intl

COSIAD

Colorado Springs

Sun 20/12

15:12-00:59

1 stop7h 47m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£230

Colorado SpringsWashington, D.C.

COS Colorado Springs - IAD Washington, D.C. Dulles Intl

COSIAD

Colorado Springs

Sat 21/11

08:14-20:03

1 stop9h 49m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£236

Colorado SpringsWashington, D.C.

COS Colorado Springs - IAD Washington, D.C. Dulles Intl

COSIAD

Colorado Springs

Wed 18/11

06:00-15:59

1 stop7h 59m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£236

Flights are sorted by cheapest return flights first.

Deals found on 8/11

Showing 1-10 of 21 resultsSorted by cheapest first
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Best time to book a flight from Colorado Springs to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Colorado Springs with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Colorado Springs to Washington, D.C. Dulles Intl Airport

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

Currently, November is the cheapest month in which you can book a flight from Colorado Springs to Washington, D.C. Dulles Intl Airport (average of £321). Flying from Colorado Springs to Washington, D.C. Dulles Intl Airport in March is currently the most expensive (average of £527). 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 for a return flight from Colorado Springs to Washington, D.C. Dulles Intl Airport?

Airfare is typical for this route at the moment.

Colorado Springs to Washington, D.C. Dulles Intl Airport flights typically cost between £274 and £616 in December.
The cheapest return price found within the last 5 days was £275 on United Airlines (4 Dec–7 Dec).

Related info for your journey

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

    Most people fly from Colorado Springs (COS) if they book a flight from Colorado Springs to Washington, D.C. Dulles Intl. On average, Colorado Springs has 0 outbound flights to Washington, D.C. Dulles Intl per day from 0 airlines. Colorado Springs is conveniently located just 6.7 mi from Colorado Springs’s city center.

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

    Delta can get you from Colorado Springs to Washington, D.C. Dulles Intl Airport in just under 9h 19m. Your travel time can differ by up to . Colorado Springs and Washington, D.C. Dulles Intl Airport are separated by a distance of 1459 mi.

  • Can I find deals for flights from Colorado Springs to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Colorado Springs to Dulles Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Colorado Springs to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado Springs to Dulles Intl.

  • Can I find deals for business class flights from Colorado Springs to Dulles Intl?

    Yes. Cheapflights offers flight deals from Colorado Springs 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 Colorado Springs to Washington, D.C. Dulles Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Colorado Springs to Washington, D.C. Dulles Intl Airport (average of £321). Flying from Colorado Springs to Washington, D.C. Dulles Intl Airport in March is currently the most expensive (average of £527). 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

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