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Cheap flights from Washington, D.C. Dulles Intl Airport to Denver from $130

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 2/14. 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.
United Airlines Logo
12:35 pm - 4:28 pmIAD-COS
5h 53m1 stop
United Airlines Logo
3:30 pm - 11:22 pmCOS-IAD
5h 52m1 stop
$287United Airlines
Find Deal
Sat, Jan 17 - Wed, Jan 21
American Airlines Logo
6:00 am - 5:41 pmIAD-COS
13h 41m2 stops
American Airlines Logo
6:02 am - 4:19 pmCOS-IAD
8h 17m1 stop
$292American Airlines
Find Deal
Sat, Jan 17 - Wed, Jan 21
American Airlines Logo
6:00 am - 5:41 pmIAD-COS
13h 41m2 stops
American Airlines Logo
6:02 am - 5:16 pmCOS-IAD
9h 14m2 stops
$297American Airlines
Find Deal
Sat, Jan 17 - Wed, Jan 21
United Airlines Logo
10:02 am - 2:34 pmIAD-COS
6h 32m1 stop
United Airlines Logo
5:50 am - 1:17 pmCOS-IAD
5h 27m1 stop
$313United Airlines
Find Deal
Thu, Jan 22 - Mon, Jan 26
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
$318American Airlines
Find Deal
Thu, Jan 22 - Mon, Jan 26
American Airlines Logo
7:01 am - 5:41 pmIAD-COS
12h 40m2 stops
American Airlines Logo
1:06 pm - 11:12 pmCOS-IAD
8h 06m2 stops
$323American Airlines
Find Deal
Thu, Jan 22 - Mon, Jan 26
Delta Logo
6:55 am - 5:19 pmIAD-COS
12h 24m2 stops
Delta Logo
1:42 pm - 12:12 amCOS-IAD
8h 30m1 stop
$355Delta
Find Deal
Sat, Dec 6 - Thu, Dec 11
Delta Logo
6:55 am - 5:19 pmIAD-COS
12h 24m2 stops
Delta Logo
8:10 am - 11:08 pmCOS-IAD
12h 58m2 stops
$360Delta
Find Deal
Sat, Dec 6 - Thu, Dec 11
Southwest Logo
5:45 pm - 9:30 pmIAD-COS
5h 45m1 stop
Southwest Logo
6:10 am - 3:45 pmCOS-IAD
7h 35m1 stop
$463Southwest
Find Deal
Mon, Nov 17 - Thu, Nov 20
Southwest Logo
7:50 pm - 11:30 pmIAD-COS
5h 40m1 stop
Southwest Logo
6:00 am - 1:05 pmCOS-IAD
5h 05m1 stop
$636Southwest
Find Deal
Sun, Dec 21 - Fri, Dec 26

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
Jan 17
IAD12:35 pmWashington, D.C. Dulles Intl
5h 53m
1 stop
COS4:28 pmColorado Springs
Jan 21
COS3:30 pmColorado Springs
5h 52m
1 stop
IAD11:22 pmWashington, D.C. Dulles Intl
$287
Find similar
United Airlines
Jan 22
IAD10:02 amWashington, D.C. Dulles Intl
6h 32m
1 stop
COS2:34 pmColorado Springs
Jan 26
COS5:50 amColorado Springs
5h 27m
1 stop
IAD1:17 pmWashington, D.C. Dulles Intl
$313
Find similar
United Airlines
Dec 6
IAD10:07 amWashington, D.C. Dulles Intl
7h 30m
1 stop
COS3:37 pmColorado Springs
Dec 11
COS3:33 pmColorado Springs
5h 42m
1 stop
IAD11:15 pmWashington, D.C. Dulles Intl
$350
Find similar

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
Jan 17
IAD6:00 amWashington, D.C. Dulles Intl
13h 41m
2 stops
COS5:41 pmColorado Springs
Jan 21
COS6:02 amColorado Springs
8h 17m
1 stop
IAD4:19 pmWashington, D.C. Dulles Intl
$292
Find similar
American Airlines
Jan 17
IAD6:00 amWashington, D.C. Dulles Intl
13h 41m
2 stops
COS5:41 pmColorado Springs
Jan 21
COS6:02 amColorado Springs
9h 14m
2 stops
IAD5:16 pmWashington, D.C. Dulles Intl
$297
Find similar
American Airlines
Jan 22
IAD7:01 amWashington, D.C. Dulles Intl
12h 40m
2 stops
COS5:41 pmColorado Springs
Jan 26
COS6:02 amColorado Springs
8h 29m
1 stop
IAD4:31 pmWashington, D.C. Dulles Intl
$318
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 October 27, 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

Sat 1/17

12:35 pm-4:28 pm

1 stop5h 53m

Colorado Springs

Wed 1/21

3:30 pm-11:22 pm

1 stop5h 52m

$287

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Sat 1/17

6:00 am-5:41 pm

2 stops13h 41m

Colorado Springs

Wed 1/21

6:02 am-4:19 pm

1 stop8h 17m

$292

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Sat 1/17

6:00 am-5:41 pm

2 stops13h 41m

Colorado Springs

Wed 1/21

6:02 am-5:16 pm

2 stops9h 14m

$297

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Thu 1/22

10:02 am-2:34 pm

1 stop6h 32m

Colorado Springs

Mon 1/26

5:50 am-1:17 pm

1 stop5h 27m

$313

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Thu 1/22

7:01 am-5:41 pm

2 stops12h 40m

Colorado Springs

Mon 1/26

6:02 am-4:31 pm

1 stop8h 29m

$318

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Thu 1/22

7:01 am-5:41 pm

2 stops12h 40m

Colorado Springs

Mon 1/26

1:06 pm-11:12 pm

2 stops8h 06m

$323

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Sat 12/6

6:55 am-5:19 pm

2 stops12h 24m

Colorado Springs

Thu 12/11

1:42 pm-12:12 am

1 stop8h 30m

$355

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Sat 12/6

6:55 am-5:19 pm

2 stops12h 24m

Colorado Springs

Thu 12/11

8:10 am-11:08 pm

2 stops12h 58m

$360

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Mon 11/17

5:45 pm-9:30 pm

1 stop5h 45m

Colorado Springs

Thu 11/20

6:10 am-3:45 pm

1 stop7h 35m

$463

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Sun 12/21

7:50 pm-11:30 pm

1 stop5h 40m

Colorado Springs

Fri 12/26

6:00 am-1:05 pm

1 stop5h 05m

$636

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 January 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 40m.

  • 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
11,033 reviews
Search American Airlines flights
DeltaPriceFrom $236Free CancellationRating
7.9
7,996 reviews
Search Delta flights
United AirlinesPriceFrom $236Free CancellationRating
7.4
8,997 reviews
Search United Airlines flights
SouthwestPriceFrom $280Free CancellationRating
8.0
4,236 reviews
Search Southwest flights

Traveling to a place near Denver?

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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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