COS - IAD

£153 Find Cheap Flights from Colorado Springs to Washington, D.C. – Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
£210
Typical prices: £297-£478
Delta
Sun 28/10Sat 3/11
COS - IAD • 1 stop
Cheapest one-way flight
£153
Typical prices: £165-£276
United Airlines
Sun 14/10
COS - IAD • 1 stop
Direct flights
Not available
There are currently no direct flights between Colorado Springs and Washington, D.C. Dulles Intl Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
November
Cheapest • 35% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Atlanta Hartsfield-Jackson (ATL)
Cheapest • Avg £392 (return)
Denver Intl (DEN)
Shortest trip • 6h 04m (one-way)
Insights
Insights
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We hope you enjoy your trip to Washington, D.C. Dulles Intl Airport!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Colorado Springs to Dulles Intl (COS-IAD)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Colorado Springs to Dulles Intl

Wed, 28 Oct - Tue, 3 Nov
Delta Logo
06:00 - 14:08COS  Colorado Springs-IAD Washington, D.C. Dulles Intl
6h 08m1 stop Atlanta Hartsfield-Jackson
Delta Logo
07:23 - 17:27IAD  Washington, D.C. Dulles Intl-COS Colorado Springs
12h 04m2 stops Minneapolis St Paul Salt Lake City
£210Delta
Wed, 28 Oct - Tue, 3 Nov
Delta Logo
13:31 - 23:16COS  Colorado Springs-IAD Washington, D.C. Dulles Intl
7h 45m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County
Delta Logo
12:20 - 22:22IAD  Washington, D.C. Dulles Intl-COS Colorado Springs
12h 02m2 stops Detroit Metropolitan Wayne County Salt Lake City
£215Delta
Thu, 3 Dec - Sat, 5 Dec
United Airlines Logo
10:32 - 19:30COS  Colorado Springs-IAD Washington, D.C. Dulles Intl
6h 58m1 stop Denver Intl
United Airlines Logo
12:35 - 16:24IAD  Washington, D.C. Dulles Intl-COS Colorado Springs
5h 49m1 stop Denver Intl
£221United Airlines
Thu, 3 Dec - Sat, 5 Dec
Delta Logo
18:05 - 09:16COS  Colorado Springs-IAD Washington, D.C. Dulles Intl
13h 11m2 stops Salt Lake City Atlanta Hartsfield-Jackson
Delta Logo
08:07 - 12:33IAD  Washington, D.C. Dulles Intl-COS Colorado Springs
6h 26m1 stop Atlanta Hartsfield-Jackson
£224Delta
Thu, 3 Dec - Sat, 5 Dec
Delta Logo
18:05 - 09:16COS  Colorado Springs-IAD Washington, D.C. Dulles Intl
13h 11m2 stops Salt Lake City Atlanta Hartsfield-Jackson
Delta Logo
11:11 - 22:24IAD  Washington, D.C. Dulles Intl-COS Colorado Springs
13h 13m2 stops Atlanta Hartsfield-Jackson Salt Lake City
£228Delta
Fri, 11 Dec - Mon, 14 Dec
Delta Logo
13:40 - 21:31COS  Colorado Springs-IAD Washington, D.C. Dulles Intl
5h 51m1 stop Atlanta Hartsfield-Jackson
Delta Logo
07:26 - 17:23IAD  Washington, D.C. Dulles Intl-COS Colorado Springs
11h 57m2 stops Minneapolis St Paul Salt Lake City
£264Delta
Wed, 28 Oct - Tue, 3 Nov
Delta Logo
06:00 - 14:08COS  Colorado Springs-IAD Washington, D.C. Dulles Intl
6h 08m1 stop Atlanta Hartsfield-Jackson
Delta Logo
07:23 - 17:27IAD  Washington, D.C. Dulles Intl-COS Colorado Springs
12h 04m2 stops Minneapolis St Paul Salt Lake City
£267Delta
Fri, 11 Dec - Mon, 14 Dec
Delta Logo
18:05 - 09:56COS  Colorado Springs-IAD Washington, D.C. Dulles Intl
13h 51m2 stops Salt Lake City Atlanta Hartsfield-Jackson
Delta Logo
07:26 - 17:23IAD  Washington, D.C. Dulles Intl-COS Colorado Springs
11h 57m2 stops Minneapolis St Paul Salt Lake City
£267Delta
Wed, 28 Oct - Tue, 3 Nov
Delta Logo
13:31 - 23:16COS  Colorado Springs-IAD Washington, D.C. Dulles Intl
7h 45m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County
Delta Logo
07:23 - 17:27IAD  Washington, D.C. Dulles Intl-COS Colorado Springs
12h 04m2 stops Minneapolis St Paul Salt Lake City
£271Delta
Sat, 14 Nov - Thu, 19 Nov
Delta Logo
06:00 - 13:54COS  Colorado Springs-IAD Washington, D.C. Dulles Intl
5h 54m1 stop Atlanta Hartsfield-Jackson
Delta Logo
06:00 - 12:26IAD  Washington, D.C. Dulles Intl-COS Colorado Springs
8h 26m1 stop Atlanta Hartsfield-Jackson
£280Delta
Booking Insights

Price, demand, and travel trends for Colorado Springs to Washington, D.C. Dulles Intl Airport flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Colorado Springs to Washington, D.C. Dulles Intl Airport with more confidence.

How much is a return flight from Colorado Springs to Washington, D.C. Dulles Intl Airport?

Return flights from Colorado Springs to Washington, D.C. Dulles Intl Airport start at £210. Prices are below average for this route right now, with typical return fares ranging from £297 to £478. The lowest price found in the past 5 days was £210 on Delta.

What's the cheapest day of the week to fly from Colorado Springs to Washington, D.C. Dulles Intl Airport?

Friday is the cheapest day of the week to fly from Colorado Springs to Washington, D.C. Dulles Intl Airport and is 19% cheaper than the average day. Tuesday is the most expensive day with flight prices 17% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • November is the cheapest month to fly from Colorado Springs to Washington, D.C. Dulles Intl Airport at £260 return.
  • March (£655) and January (£490) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 151% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Colorado Springs to Washington, D.C. Dulles Intl Airport flights

Low season

February

Cheapest flight

£153
Best time to beat the crowds but there is an average 15% increase in price.
Most popular time to fly (5% more expensive on average)
Flights from Colorado Springs to Washington, D.C. Dulles Intl Airport

When to book flights from Colorado Springs to Dulles Intl

Are your dates flexible? Find out the best times to travel from Colorado Springs to Dulles Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Colorado Springs to Washington, D.C. Dulles Intl Airport flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which airports can I use when flying from Colorado Springs to Washington, D.C. Dulles Intl Airport?

    Flights from Colorado Springs to Washington, D.C. Dulles Intl Airport usually depart from Colorado Springs (COS) and arrive at Washington, D.C. Dulles Intl (IAD).

  • Which cabin classes can I book on flights from Colorado Springs to Washington, D.C. Dulles Intl Airport?

    Only Economy class is available on flights from Colorado Springs to Washington, D.C. Dulles Intl Airport.

  • Which airports do connecting flights from Colorado Springs to Washington, D.C. Dulles Intl Airport pass through?

    One-stop flights from Colorado Springs to Washington, D.C. Dulles Intl Airport most commonly connect through:

    • Denver Intl (DEN) – 77% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) – 15% of one-stop connections
    • Dallas/Fort Worth (DFW) – 5% of one-stop connections
    • Chicago O'Hare Intl (ORD) – 3% of one-stop connections

    Denver Intl (DEN) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Colorado Springs to Washington, D.C. Dulles Intl Airport?

    Yes. Being flexible with your travel dates can save you up to 31% on the Colorado Springs to Washington, D.C. Dulles Intl Airport route. Friday is the cheapest departure day at £327 return on average, while Tuesday is the most expensive at £469, a difference of £142. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Washington, D.C. Dulles Intl Airport?

    Some of the most popular sights in Washington, D.C. Dulles Intl Airport are Union Station, Capital One Arena, and Charles Sumner School Museum and Archives. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.

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

    A direct flight from Colorado Springs to Washington, D.C. Dulles Intl Airport takes 0h 00m, covering 1,459 miles.

  • Do I need a passport to fly from Colorado Springs to Washington, D.C. Dulles Intl Airport?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Colorado Springs to Washington, D.C. Dulles Intl Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about £210 to £1,430. That means the highest observed fare was about 7x higher than the lowest one.

  • How are flight prices from Colorado Springs to Washington, D.C. Dulles Intl Airport looking right now?

    One-way fares from Colorado Springs to Washington, D.C. Dulles Intl Airport are currently lower than usual. Average one-way flight prices are about £181, which is 11% below the typical average for this route.

  • How much time can I save by choosing a different stopover airport from Colorado Springs to Washington, D.C. Dulles Intl Airport?

    Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time of 6h 04m, compared to 6h 25m via Chicago O'Hare Intl (ORD) and 6h 33m via Atlanta Hartsfield-Jackson (ATL).

  • What is the time difference between Colorado Springs and Washington, D.C. Dulles Intl Airport?

    Washington, D.C. Dulles Intl Airport is 2 hours ahead of Colorado Springs (Eastern Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

  • Which car hire options are available at Washington, D.C. Dulles Intl Airport (IAD)?

    Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car hire companies, with daily rates starting from around £18 for economy cars. Top options include:
    • Dollar
    • Budget
    • Hertz
    • Sixt
    • Thrifty

  • How much should I expect to pay for a Colorado Springs to Washington, D.C. Dulles Intl Airport flight?

    Return flights from Colorado Springs to Washington, D.C. Dulles Intl Airport range from £297 to £478, with an average of £400 over the past 12 months. Anything below £297 counts as a good deal.

Your guide to booking Colorado Springs to Washington, D.C. Dulles Intl Airport flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Friday departure instead of Tuesday. On this route, Friday flights average £327 – about £142 less than Tuesday (30% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Colorado Springs to Washington, D.C. Dulles Intl Airport trip for November. Fares historically average £260 return in that month – typically £395 less than the most expensive month, which is March (based on the last 12 months).

More options for your flight from Colorado Springs to Dulles Intl

Complete your trip to Washington, D.C. with a hotel stay or car hire

Car hire in Washington, D.C.
Hotels in Washington, D.C.
Holidays in Washington, D.C.