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Cheap flights from Washington, D.C. Dulles Intl Airport to Denver from $84

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 10/21. 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

American Airlines Logo
6:04 am - 11:48 amIAD-COS
7h 44m1 stop
American Airlines Logo
5:45 am - 4:11 pmCOS-IAD
8h 26m1 stop
$167American Airlines
Find Deal
Tue, Nov 4 - Wed, Nov 5
American Airlines Logo
6:00 am - 11:46 amIAD-COS
7h 46m1 stop
American Airlines Logo
12:45 pm - 11:08 pmCOS-IAD
8h 23m2 stops
$172American Airlines
Find Deal
Wed, Dec 3 - Wed, Dec 10
American Airlines Logo
2:18 pm - 10:09 pmIAD-COS
9h 51m2 stops
American Airlines Logo
6:02 am - 6:54 pmCOS-IAD
10h 52m2 stops
$212American Airlines
Find Deal
Wed, Oct 22 - Tue, Oct 28
United Airlines Logo
3:59 pm - 9:07 pmIAD-COS
7h 08m1 stop
United Airlines Logo
1:53 pm - 9:21 pmCOS-IAD
5h 28m1 stop
$237United Airlines
Find Deal
Tue, Nov 4 - Tue, Nov 11
American Airlines Logo
6:11 am - 11:31 amIAD-COS
7h 20m1 stop
American Airlines Logo
6:02 am - 6:54 pmCOS-IAD
10h 52m2 stops
$238American Airlines
Find Deal
Wed, Oct 22 - Tue, Oct 28
Delta Logo
7:05 am - 12:11 pmIAD-COS
7h 06m1 stop
Delta Logo
8:00 am - 11:19 pmCOS-IAD
13h 19m2 stops
$242Delta
Find Deal
Tue, Nov 4 - Tue, Nov 11
Delta Logo
7:05 am - 5:09 pmIAD-COS
12h 04m2 stops
Delta Logo
8:00 am - 11:19 pmCOS-IAD
13h 19m2 stops
$247Delta
Find Deal
Tue, Nov 4 - Tue, Nov 11
Southwest Logo
7:50 pm - 11:10 pmIAD-COS
5h 20m1 stop
Southwest Logo
11:05 am - 7:00 pmCOS-IAD
5h 55m1 stop
$254Southwest
Find Deal
Fri, Nov 7 - Mon, Nov 10
United Airlines Logo
6:01 am - 11:02 amIAD-COS
7h 01m1 stop
United Airlines Logo
6:00 am - 1:51 pmCOS-IAD
5h 51m1 stop
$261United Airlines
Find Deal
Wed, Oct 8 - Wed, Oct 15
Southwest Logo
7:40 am - 8:25 pmIAD-COS
14h 45m2 stops
Southwest Logo
5:30 am - 5:10 pmCOS-IAD
9h 40m1 stop
$295Southwest
Find Deal
Tue, Nov 4 - Thu, Nov 6

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

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to Colorado Springs flight tickets
American Airlines
Nov 4
IAD6:04 amWashington, D.C. Dulles Intl
7h 44m
1 stop
COS11:48 amColorado Springs
Nov 5
COS5:45 amColorado Springs
8h 26m
1 stop
IAD4:11 pmWashington, D.C. Dulles Intl
$167
Find similar
American Airlines
Dec 3
IAD6:00 amWashington, D.C. Dulles Intl
7h 46m
1 stop
COS11:46 amColorado Springs
Dec 10
COS12:45 pmColorado Springs
8h 23m
2 stops
IAD11:08 pmWashington, D.C. Dulles Intl
$172
Find similar
American Airlines
Oct 22
IAD2:18 pmWashington, D.C. Dulles Intl
9h 51m
2 stops
COS10:09 pmColorado Springs
Oct 28
COS6:02 amColorado Springs
10h 52m
2 stops
IAD6:54 pmWashington, D.C. Dulles Intl
$212
Find similar

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
Nov 4
IAD7:05 amWashington, D.C. Dulles Intl
7h 06m
1 stop
COS12:11 pmColorado Springs
Nov 11
COS8:00 amColorado Springs
13h 19m
2 stops
IAD11:19 pmWashington, D.C. Dulles Intl
$242
Find similar
Delta
Nov 4
IAD7:05 amWashington, D.C. Dulles Intl
12h 04m
2 stops
COS5:09 pmColorado Springs
Nov 11
COS8:00 amColorado Springs
13h 19m
2 stops
IAD11:19 pmWashington, D.C. Dulles Intl
$247
Find similar
Delta
Nov 6
IAD6:40 amWashington, D.C. Dulles Intl
7h 31m
1 stop
COS12:11 pmColorado Springs
Nov 11
COS6:02 pmColorado Springs
13h 08m
2 stops
IAD9:10 amWashington, D.C. Dulles Intl
$259
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 September 17, 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 11/4

6:04 am-11:48 am

1 stop7h 44m

Colorado Springs

Wed 11/5

5:45 am-4:11 pm

1 stop8h 26m

$167

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Wed 12/3

6:00 am-11:46 am

1 stop7h 46m

Colorado Springs

Wed 12/10

12:45 pm-11:08 pm

2 stops8h 23m

$172

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Wed 10/22

2:18 pm-10:09 pm

2 stops9h 51m

Colorado Springs

Tue 10/28

6:02 am-6:54 pm

2 stops10h 52m

$212

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Tue 11/4

3:59 pm-9:07 pm

1 stop7h 08m

Colorado Springs

Tue 11/11

1:53 pm-9:21 pm

1 stop5h 28m

$237

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Wed 10/22

6:11 am-11:31 am

1 stop7h 20m

Colorado Springs

Tue 10/28

6:02 am-6:54 pm

2 stops10h 52m

$238

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Tue 11/4

7:05 am-12:11 pm

1 stop7h 06m

Colorado Springs

Tue 11/11

8:00 am-11:19 pm

2 stops13h 19m

$242

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Tue 11/4

7:05 am-5:09 pm

2 stops12h 04m

Colorado Springs

Tue 11/11

8:00 am-11:19 pm

2 stops13h 19m

$247

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Fri 11/7

7:50 pm-11:10 pm

1 stop5h 20m

Colorado Springs

Mon 11/10

11:05 am-7:00 pm

1 stop5h 55m

$254

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Wed 10/8

6:01 am-11:02 am

1 stop7h 01m

Colorado Springs

Wed 10/15

6:00 am-1:51 pm

1 stop5h 51m

$261

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Tue 11/4

7:40 am-8:25 pm

2 stops14h 45m

Colorado Springs

Thu 11/6

5:30 am-5:10 pm

1 stop9h 40m

$295

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 5h 20m.

  • 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
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $236Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
DeltaPriceFrom $236Free CancellationRating
7.9
7,961 reviews
Search Delta flights
SouthwestPriceFrom $280Free CancellationRating
8.0
4,242 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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