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Cheap flights from Washington, D.C. Dulles Intl Airport to Denver from $157

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Denver departing on 11/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Denver

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:00 am - 12:27 pmIAD-COS
8h 27m1 stop
Delta Logo
12:00 pm - 11:48 pmCOS-IAD
9h 48m1 stop
$313Delta
Find Deal
Tue, Feb 17 - Wed, Feb 18
Delta Logo
8:00 am - 12:24 pmIAD-COS
6h 24m1 stop
Delta Logo
1:21 pm - 11:37 pmCOS-IAD
8h 16m1 stop
$327Delta
Find Deal
Sat, Jan 10 - Sat, Jan 17
Delta Logo
6:20 am - 12:24 pmIAD-COS
8h 04m1 stop
Delta Logo
7:59 am - 11:06 pmCOS-IAD
13h 07m2 stops
$332Delta
Find Deal
Tue, Jan 13 - Sat, Jan 17
Delta Logo
12:09 pm - 10:23 pmIAD-COS
12h 14m2 stops
Delta Logo
7:59 am - 6:56 pmCOS-IAD
8h 57m2 stops
$337Delta
Find Deal
Tue, Jan 13 - Sat, Jan 17
Delta Logo
6:20 am - 12:24 pmIAD-COS
8h 04m1 stop
Delta Logo
1:21 pm - 11:37 pmCOS-IAD
8h 16m1 stop
$341Delta
Find Deal
Sat, Jan 10 - Thu, Jan 15
United Airlines Logo
5:20 pm - 10:06 pmIAD-COS
6h 46m1 stop
United Airlines Logo
8:50 pm - 5:19 amCOS-IAD
6h 29m1 stop
$350United Airlines
Find Deal
Wed, Dec 24 - Sun, Dec 28
American Airlines Logo
7:55 am - 5:35 pmIAD-COS
11h 40m2 stops
American Airlines Logo
5:33 am - 4:59 pmCOS-IAD
9h 26m2 stops
$351American Airlines
Find Deal
Tue, Dec 9 - Tue, Dec 16
American Airlines Logo
7:01 am - 5:41 pmIAD-COS
12h 40m2 stops
American Airlines Logo
6:02 am - 4:31 pmCOS-IAD
8h 29m1 stop
$392American Airlines
Find Deal
Fri, Jan 23 - Sun, Jan 25
United Airlines Logo
10:07 am - 2:29 pmIAD-COS
6h 22m1 stop
United Airlines Logo
6:00 am - 1:23 pmCOS-IAD
5h 23m1 stop
$402United Airlines
Find Deal
Thu, Dec 4 - Sun, Dec 7
Southwest Logo
7:40 am - 8:25 pmIAD-COS
14h 45m2 stops
Southwest Logo
11:05 am - 11:25 pmCOS-IAD
10h 20m1 stop
$431Southwest
Find Deal
Tue, Dec 16 - Fri, Dec 19

Delta flights from Washington, D.C. Dulles Intl Airport to Colorado Springs

Our best Delta deals on Washington, D.C. Dulles Intl Airport to Colorado Springs flight tickets
Delta
Feb 17
IAD6:00 amWashington, D.C. Dulles Intl
8h 27m
1 stop
COS12:27 pmColorado Springs
Feb 18
COS12:00 pmColorado Springs
9h 48m
1 stop
IAD11:48 pmWashington, D.C. Dulles Intl
$313
Find similar
Delta
Jan 10
IAD8:00 amWashington, D.C. Dulles Intl
6h 24m
1 stop
COS12:24 pmColorado Springs
Jan 17
COS1:21 pmColorado Springs
8h 16m
1 stop
IAD11:37 pmWashington, D.C. Dulles Intl
$327
Find similar
Delta
Jan 13
IAD6:20 amWashington, D.C. Dulles Intl
8h 04m
1 stop
COS12:24 pmColorado Springs
Jan 17
COS7:59 amColorado Springs
13h 07m
2 stops
IAD11:06 pmWashington, D.C. Dulles Intl
$332
Find similar

United Airlines flights from Washington, D.C. Dulles Intl Airport to Colorado Springs

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Colorado Springs flight tickets
United Airlines
Dec 24
IAD5:20 pmWashington, D.C. Dulles Intl
6h 46m
1 stop
COS10:06 pmColorado Springs
Dec 28
COS8:50 pmColorado Springs
6h 29m
1 stop
IAD5:19 amWashington, D.C. Dulles Intl
$350
Find similar
United Airlines
Dec 4
IAD10:07 amWashington, D.C. Dulles Intl
6h 22m
1 stop
COS2:29 pmColorado Springs
Dec 7
COS6:00 amColorado Springs
5h 23m
1 stop
IAD1:23 pmWashington, D.C. Dulles Intl
$402
Find similar
United Airlines
Jan 13
IAD12:35 pmWashington, D.C. Dulles Intl
8h 28m
1 stop
COS7:03 pmColorado Springs
Jan 19
COS3:30 pmColorado Springs
5h 52m
1 stop
IAD11:22 pmWashington, D.C. Dulles Intl
$421
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Colorado Springs 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, momondo users made 832,500 searches. Data last updated November 10, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Colorado Springs that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Tue 2/17

6:00 am-12:27 pm

1 stop8h 27m

Colorado Springs

Wed 2/18

12:00 pm-11:48 pm

1 stop9h 48m

$313

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Sat 1/10

8:00 am-12:24 pm

1 stop6h 24m

Colorado Springs

Sat 1/17

1:21 pm-11:37 pm

1 stop8h 16m

$327

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Tue 1/13

6:20 am-12:24 pm

1 stop8h 04m

Colorado Springs

Sat 1/17

7:59 am-11:06 pm

2 stops13h 07m

$332

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Tue 1/13

12:09 pm-10:23 pm

2 stops12h 14m

Colorado Springs

Sat 1/17

7:59 am-6:56 pm

2 stops8h 57m

$337

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Sat 1/10

6:20 am-12:24 pm

1 stop8h 04m

Colorado Springs

Thu 1/15

1:21 pm-11:37 pm

1 stop8h 16m

$341

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Wed 12/24

5:20 pm-10:06 pm

1 stop6h 46m

Colorado Springs

Sun 12/28

8:50 pm-5:19 am

1 stop6h 29m

$350

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Tue 12/9

7:55 am-5:35 pm

2 stops11h 40m

Colorado Springs

Tue 12/16

5:33 am-4:59 pm

2 stops9h 26m

$351

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Fri 1/23

7:01 am-5:41 pm

2 stops12h 40m

Colorado Springs

Sun 1/25

6:02 am-4:31 pm

1 stop8h 29m

$392

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Thu 12/4

10:07 am-2:29 pm

1 stop6h 22m

Colorado Springs

Sun 12/7

6:00 am-1:23 pm

1 stop5h 23m

$402

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Tue 12/16

7:40 am-8:25 pm

2 stops14h 45m

Colorado Springs

Fri 12/19

11:05 am-11:25 pm

1 stop10h 20m

$431

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Denver from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Colorado Springs

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Colorado Springs?

The month of August is another great option to travel to Colorado Springs, with average flight prices from Washington, D.C. Dulles Intl Airport averaging around $317.

What is the cheapest day to depart on your flight to Colorado Springs?

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to Colorado Springs is on a Saturday when prices can be found for as low as $404. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. Dulles Intl Airport to Colorado Springs for around $588.

What is the cheapest time of day to depart on your flight to Colorado Springs?

Flying to Colorado Springs from Washington, D.C. Dulles Intl Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $460 when looking at flights departing in the morning. Flights to Colorado Springs are more costly in the evening, with an average ticket price of $510. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

How have Washington, D.C. Dulles Intl Airport to Colorado Springs flight prices changed over time?

When to book flights from Washington, D.C. Dulles Intl Airport to Colorado Springs

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Colorado Springs according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Colorado Springs (IAD to COS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Colorado Springs

Direct flights

None
There are no direct flights from Washington, D.C. Dulles Intl Airport to Colorado Springs. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Colorado Springs.
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  • How far is Washington, D.C. Dulles Intl to Colorado Springs by plane?

    A flight from Washington, D.C. Dulles Intl to Colorado Springs will travel around 1465.4 mi. By plane, this route typically takes 6h 03m.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Colorado Springs Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Colorado Springs Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Colorado Springs Airport?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Colorado Springs Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Colorado Springs Airport.

  • What documentation or ID do you need to fly to Colorado Springs Airport?

    The necessary travel and health documents for your Colorado Springs Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Colorado Springs?

Best airlines flying from Washington, D.C. Dulles Intl Airport to Colorado Springs

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Colorado Springs with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $160Free CancellationRating
7.2
11,045 reviews
Search American Airlines flights
DeltaPriceFrom $236Free CancellationRating
7.9
8,007 reviews
Search Delta flights
United AirlinesPriceFrom $236Free CancellationRating
7.4
9,012 reviews
Search United Airlines flights
SouthwestPriceFrom $280Free CancellationRating
8.0
4,235 reviews
Search Southwest flights

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Cañon City

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Colorado Springs?

Finding the right flight to Colorado Springs from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Colorado Springs quick and easy, saving you time and money.

Can I find flights from Washington, D.C. to Colorado Springs with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Colorado Springs flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Colorado Springs?

momondo helps you find the best flight between Washington, D.C. and Colorado Springs by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington, D.C. to Colorado Springs right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Colorado Springs from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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