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Cheap flights from Colorado Springs to Washington, D.C. Dulles Intl Airport from £140

COS — IAD
27 Oct — 3 Nov1
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

Tue 10/1106:00 -
1 stop5h 54m
Thu 12/1108:05 -
1 stop6h 21m
Deal found 23/9£279
Sat 17/1008:00 -
1 stop6h 01m
Sat 24/1006:10 -
1 stop6h 45m
Deal found 26/9£288
Wed 28/1010:34 -
1 stop5h 19m
Fri 30/1017:20 -
1 stop6h 43m
Deal found 22/9£301
Wed 21/1013:31 -
2 stops7h 45m
Wed 28/1015:03 -
1 stop7h 13m
Deal found 24/9£305
Thu 12/1113:20 -
1 stop6h 10m
Sun 15/1106:10 -
1 stop7h 05m
Deal found 22/9£319
Wed 11/1106:00 -
1 stop7h 59m
Fri 13/1106:00 -
1 stop8h 26m
Deal found 24/9£322
Wed 28/1013:31 -
2 stops7h 45m
Sun 1/1106:00 -
1 stop8h 30m
Deal found 23/9£323
Fri 23/1006:00 -
1 stop6h 08m
Fri 30/1008:13 -
1 stop6h 17m
Deal found 24/9£324
Thu 12/1113:31 -
2 stops7h 50m
Sun 15/1106:00 -
2 stops8h 26m
Deal found 22/9£327

Find flight deals from Colorado Springs to Dulles Intl

Round-trip from

£279

One-way from

£140

Popular in

March

Cheapest in

November

Average price

£484
Delta
  • Delta
  • 10/11-12/11
  • 2 total stops
  • 12h 15m total
  • Colorado Springs to Washington, D.C.
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United Airlines
  • United Airlines
  • 3/11-31/12
  • 1 total stop
  • 7h 15m total
  • Colorado Springs to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£19 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
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Average for round-trip flights in September 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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Depart

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Price

Cheapest return flight

Colorado SpringsWashington, D.C.

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

COSIAD

Colorado Springs

Tue 3/11

08:40-17:55

1 stop7h 15m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£140

Colorado SpringsWashington, D.C.

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

COSIAD

Colorado Springs

Wed 11/11

06:00-13:54

1 stop5h 54m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£140

Colorado SpringsWashington, D.C.

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

COSIAD

Colorado Springs

Sat 31/10

06:00-15:44

1 stop7h 44m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£140
Fastest return journey

Colorado SpringsWashington, D.C.

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

COSIAD

Colorado Springs

Thu 5/11

10:25-17:55

1 stop5h 30m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£140

Colorado SpringsWashington, D.C.

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

COSIAD

Colorado Springs

Tue 3/11

08:17-23:16

2 stops12h 59m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£143

Colorado SpringsWashington, D.C.

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

COSIAD

Colorado Springs

Sat 31/10

13:26-23:16

2 stops7h 50m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£143

Colorado SpringsWashington, D.C.

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

COSIAD

Colorado Springs

Mon 9/11

18:08-09:09

2 stops13h 01m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£143

Colorado SpringsWashington, D.C.

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

COSIAD

Colorado Springs

Thu 5/11

13:31-23:16

2 stops7h 45m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£143

Colorado SpringsWashington, D.C.

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

COSIAD

Colorado Springs

Fri 4/12

10:25-19:30

1 stop7h 05m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£162

Colorado SpringsWashington, D.C.

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

COSIAD

Colorado Springs

Fri 6/11

13:20-23:15

1 stop7h 55m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£162

Flights are sorted by cheapest return flights first.

Deals found on 22/9

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 £265). Flying from Colorado Springs to Washington, D.C. Dulles Intl Airport in March is currently the most expensive (average of £534). 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 below average for this route at the moment.

Colorado Springs to Washington, D.C. Dulles Intl Airport flights typically cost between £337 and £580 in November.
The cheapest return price found within the last 5 days was £279 on Delta (10 Nov–12 Nov).

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 5h 54m. 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 £265). Flying from Colorado Springs to Washington, D.C. Dulles Intl Airport in March is currently the most expensive (average of £534). 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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