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Cheap flights from Washington, D.C. Dulles Intl Airport to Denver from $129

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 3/24. 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
7:15 am - 12:25 pm
IAD
-
COS
7h 10m
1 stop
Delta Logo
1:22 pm - 8:45 pm
COS
-
IAD
5h 23m
1 stop
$217Delta
Tue, Feb 24 - Tue, Mar 3
American Airlines Logo
6:00 am - 12:48 pm
IAD
-
COS
8h 48m
1 stop
American Airlines Logo
6:00 am - 4:31 pm
COS
-
IAD
8h 31m
1 stop
$237American Airlines
Mon, Mar 2 - Tue, Mar 3
Delta Logo
7:15 am - 12:25 pm
IAD
-
COS
7h 10m
1 stop
Delta Logo
1:22 pm - 8:45 pm
COS
-
IAD
5h 23m
1 stop
$277Delta
Thu, Feb 26 - Tue, Mar 3
Delta Logo
6:00 am - 12:25 pm
IAD
-
COS
8h 25m
1 stop
Delta Logo
7:55 am - 11:09 pm
COS
-
IAD
13h 14m
2 stops
$282Delta
Mon, Mar 2 - Wed, Mar 4
American Airlines Logo
5:37 pm - 10:10 pm
IAD
-
COS
6h 33m
1 stop
American Airlines Logo
1:39 pm - 10:53 pm
COS
-
IAD
7h 14m
1 stop
$297American Airlines
Sat, Feb 14 - Sat, Feb 21
American Airlines Logo
2:03 pm - 10:10 pm
IAD
-
COS
10h 07m
2 stops
American Airlines Logo
1:39 pm - 10:53 pm
COS
-
IAD
7h 14m
1 stop
$302American Airlines
Sat, Feb 14 - Sat, Feb 21
Delta Logo
7:15 am - 12:25 pm
IAD
-
COS
7h 10m
1 stop
Delta Logo
1:22 pm - 8:45 pm
COS
-
IAD
5h 23m
1 stop
$308Delta
Tue, Feb 24 - Thu, Mar 5
Southwest Logo
4:40 pm - 10:45 pm
IAD
-
COS
8h 05m
1 stop
Southwest Logo
12:05 pm - 9:55 pm
COS
-
IAD
7h 50m
1 stop
$327Southwest
Mon, Mar 2 - Wed, Mar 4
Southwest Logo
6:20 am - 9:45 am
IAD
-
COS
5h 25m
1 stop
Southwest Logo
1:10 pm - 10:55 pm
COS
-
IAD
7h 45m
1 stop
$329Southwest
Tue, Apr 14 - Sat, Apr 18
Southwest Logo
5:30 am - 11:20 am
IAD
-
COS
7h 50m
1 stop
Southwest Logo
6:00 am - 2:45 pm
COS
-
IAD
6h 45m
1 stop
$337Southwest
Mon, Feb 23 - Thu, Feb 26

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 24
IAD7:15 amWashington, D.C. Dulles Intl
7h 10m
1 stop
COS12:25 pmColorado Springs
Mar 3
COS1:22 pmColorado Springs
5h 23m
1 stop
IAD8:45 pmWashington, D.C. Dulles Intl
$217
Delta
Mar 23
IAD6:01 amWashington, D.C. Dulles Intl
8h 30m
1 stop
COS12:31 pmColorado Springs
Mar 25
COS1:28 pmColorado Springs
5h 18m
1 stop
IAD8:46 pmWashington, D.C. Dulles Intl
$257
Delta
Feb 26
IAD7:15 amWashington, D.C. Dulles Intl
7h 10m
1 stop
COS12:25 pmColorado Springs
Mar 3
COS1:22 pmColorado Springs
5h 23m
1 stop
IAD8:45 pmWashington, D.C. Dulles Intl
$277

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

Our best Southwest deals on Washington, D.C. Dulles Intl Airport to Colorado Springs flight tickets
Southwest
Feb 16
IAD5:10 amWashington, D.C. Dulles Intl
7h 10m
1 stop
COS10:20 amColorado Springs
Feb 24
COS12:05 pmColorado Springs
7h 50m
1 stop
IAD9:55 pmWashington, D.C. Dulles Intl
$237
Southwest
Mar 2
IAD4:40 pmWashington, D.C. Dulles Intl
8h 05m
1 stop
COS10:45 pmColorado Springs
Mar 4
COS12:05 pmColorado Springs
7h 50m
1 stop
IAD9:55 pmWashington, D.C. Dulles Intl
$327
Southwest
Apr 14
IAD6:20 amWashington, D.C. Dulles Intl
5h 25m
1 stop
COS9:45 amColorado Springs
Apr 18
COS1:10 pmColorado Springs
7h 45m
1 stop
IAD10:55 pmWashington, D.C. Dulles Intl
$329

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 January 21, 2026.
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 2/24

7:15 am-12:25 pm

1 stop7h 10m

Colorado Springs

Tue 3/3

1:22 pm-8:45 pm

1 stop5h 23m

$217

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Mon 3/2

6:00 am-12:48 pm

1 stop8h 48m

Colorado Springs

Tue 3/3

6:00 am-4:31 pm

1 stop8h 31m

$237

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Thu 2/26

7:15 am-12:25 pm

1 stop7h 10m

Colorado Springs

Tue 3/3

1:22 pm-8:45 pm

1 stop5h 23m

$277

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Mon 3/2

6:00 am-12:25 pm

1 stop8h 25m

Colorado Springs

Wed 3/4

7:55 am-11:09 pm

2 stops13h 14m

$282

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Sat 2/14

5:37 pm-10:10 pm

1 stop6h 33m

Colorado Springs

Sat 2/21

1:39 pm-10:53 pm

1 stop7h 14m

$297

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Sat 2/14

2:03 pm-10:10 pm

2 stops10h 07m

Colorado Springs

Sat 2/21

1:39 pm-10:53 pm

1 stop7h 14m

$302

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Tue 2/24

7:15 am-12:25 pm

1 stop7h 10m

Colorado Springs

Thu 3/5

1:22 pm-8:45 pm

1 stop5h 23m

$308

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Mon 3/2

4:40 pm-10:45 pm

1 stop8h 05m

Colorado Springs

Wed 3/4

12:05 pm-9:55 pm

1 stop7h 50m

$327

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Tue 4/14

6:20 am-9:45 am

1 stop5h 25m

Colorado Springs

Sat 4/18

1:10 pm-10:55 pm

1 stop7h 45m

$329

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Mon 2/23

5:30 am-11:20 am

1 stop7h 50m

Colorado Springs

Thu 2/26

6:00 am-2:45 pm

1 stop6h 45m

$337

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.

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

Fastest flight time

5h 25m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Colorado Springs takes 5h 25m
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.
Search flight deals

  • 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 5h 25m.

  • 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
11,174 reviews
Search American Airlines flights
DeltaPriceFrom $236Free CancellationRating
7.9
8,089 reviews
Search Delta flights
United AirlinesPriceFrom $236Free CancellationRating
7.4
9,191 reviews
Search United Airlines flights
SouthwestPriceFrom $280Free CancellationRating
8.0
4,266 reviews
Search Southwest flights

Traveling to a place near Denver?

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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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