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Cheap flights from Washington, D.C. Dulles Intl Airport to Denver from $109

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 1/21. 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

Enter your travel dates to find the best prices.
American Airlines Logo
6:00 am - 12:50 pmIAD-COS
8h 50m1 stop
American Airlines Logo
2:01 pm - 10:48 pmCOS-IAD
6h 47m1 stop
$197American Airlines
Find Deal
vie., feb. 27 - mar., mar. 3
Southwest Logo
5:30 pm - 9:35 pmIAD-COS
6h 05m1 stop
Southwest Logo
6:00 am - 4:50 pmCOS-IAD
8h 50m1 stop
$215Southwest
Find Deal
mié., feb. 25 - mar., mar. 3
Delta Logo
6:00 am - 12:23 pmIAD-COS
8h 23m1 stop
Delta Logo
12:03 pm - 11:48 pmCOS-IAD
9h 45m1 stop
$217Delta
Find Deal
sáb., ene. 31 - mié., feb. 4
American Airlines Logo
11:22 am - 8:36 pmIAD-COS
11h 14m2 stops
American Airlines Logo
6:00 am - 4:31 pmCOS-IAD
8h 31m1 stop
$244American Airlines
Find Deal
mié., feb. 25 - mar., mar. 3
American Airlines Logo
1:08 pm - 8:57 pmIAD-COS
9h 49m2 stops
American Airlines Logo
6:12 am - 4:31 pmCOS-IAD
8h 19m1 stop
$262American Airlines
Find Deal
sáb., ene. 31 - mié., feb. 4
Multiple Airlines Logo
7:05 pm - 9:40 amIAD-COS
40h 35m2 stops
Multiple Airlines Logo
10:30 am - 9:58 amCOS-IAD
21h 28m1 stop
$265Multiple Airlines
Find Deal
sáb., ene. 10 - vie., ene. 16
United Airlines Logo
5:15 pm - 10:06 pmIAD-COS
6h 51m1 stop
United Airlines Logo
1:25 pm - 11:22 pmCOS-IAD
7h 57m1 stop
$291United Airlines
Find Deal
vie., ene. 9 - lun., ene. 12
American Airlines Logo
6:00 am - 5:41 pmIAD-COS
13h 41m1 stop
American Airlines Logo
6:12 am - 4:31 pmCOS-IAD
8h 19m1 stop
$300American Airlines
Find Deal
vie., ene. 9 - lun., ene. 12
American Airlines Logo
6:00 am - 5:41 pmIAD-COS
13h 41m1 stop
American Airlines Logo
1:06 pm - 11:12 pmCOS-IAD
8h 06m2 stops
$305American Airlines
Find Deal
vie., ene. 9 - lun., ene. 12
Southwest Logo
5:40 pm - 9:30 pmIAD-COS
5h 50m1 stop
Southwest Logo
5:10 am - 5:00 pmCOS-IAD
9h 50m1 stop
$314Southwest
Find Deal
jue., ene. 15 - lun., ene. 19

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 25
IAD5:30 pmWashington, D.C. Dulles Intl
6h 05m
1 stop
COS9:35 pmColorado Springs
Mar 3
COS6:00 amColorado Springs
8h 50m
1 stop
IAD4:50 pmWashington, D.C. Dulles Intl
$215
Find similar
Southwest
Jan 15
IAD5:40 pmWashington, D.C. Dulles Intl
5h 50m
1 stop
COS9:30 pmColorado Springs
Jan 19
COS5:10 amColorado Springs
9h 50m
1 stop
IAD5:00 pmWashington, D.C. Dulles Intl
$314
Find similar
Southwest
Jan 8
IAD9:05 amWashington, D.C. Dulles Intl
8h 50m
1 stop
COS3:55 pmColorado Springs
Jan 11
COS6:10 amColorado Springs
7h 50m
1 stop
IAD4:00 pmWashington, D.C. Dulles Intl
$334
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
Jan 31
IAD6:00 amWashington, D.C. Dulles Intl
8h 23m
1 stop
COS12:23 pmColorado Springs
Feb 4
COS12:03 pmColorado Springs
9h 45m
1 stop
IAD11:48 pmWashington, D.C. Dulles Intl
$217
Find similar
Delta
Apr 18
IAD3:00 pmWashington, D.C. Dulles Intl
8h 22m
1 stop
COS9:22 pmColorado Springs
Apr 21
COS1:40 pmColorado Springs
8h 29m
1 stop
IAD12:09 amWashington, D.C. Dulles Intl
$379
Find similar
Delta
Jan 19
IAD7:15 amWashington, D.C. Dulles Intl
7h 08m
1 stop
COS12:23 pmColorado Springs
Jan 23
COS7:59 amColorado Springs
13h 07m
2 stops
IAD11:06 pmWashington, D.C. Dulles Intl
$388
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 diciembre 2, 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

vie. 2/27

6:00 am-12:50 pm

1 stop8h 50m

Colorado Springs

mar. 3/3

2:01 pm-10:48 pm

1 stop6h 47m

$197

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

mié. 2/25

5:30 pm-9:35 pm

1 stop6h 05m

Colorado Springs

mar. 3/3

6:00 am-4:50 pm

1 stop8h 50m

$215

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

sáb. 1/31

6:00 am-12:23 pm

1 stop8h 23m

Colorado Springs

mié. 2/4

12:03 pm-11:48 pm

1 stop9h 45m

$217

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

mié. 2/25

11:22 am-8:36 pm

2 stops11h 14m

Colorado Springs

mar. 3/3

6:00 am-4:31 pm

1 stop8h 31m

$244

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

sáb. 1/31

1:08 pm-8:57 pm

2 stops9h 49m

Colorado Springs

mié. 2/4

6:12 am-4:31 pm

1 stop8h 19m

$262

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

sáb. 1/10

7:05 pm-9:40 am

2 stops40h 35m

Colorado Springs

vie. 1/16

10:30 am-9:58 am

1 stop21h 28m

$265

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

vie. 1/9

5:15 pm-10:06 pm

1 stop6h 51m

Colorado Springs

lun. 1/12

1:25 pm-11:22 pm

1 stop7h 57m

$291

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

vie. 1/9

6:00 am-5:41 pm

1 stop13h 41m

Colorado Springs

lun. 1/12

6:12 am-4:31 pm

1 stop8h 19m

$300

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

vie. 1/9

6:00 am-5:41 pm

1 stop13h 41m

Colorado Springs

lun. 1/12

1:06 pm-11:12 pm

2 stops8h 06m

$305

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

jue. 1/15

5:40 pm-9:30 pm

1 stop5h 50m

Colorado Springs

lun. 1/19

5:10 am-5:00 pm

1 stop9h 50m

$314

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 October is another great option to travel to Colorado Springs, with average flight prices from Washington, D.C. Dulles Intl Airport averaging around $330.

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

Fastest flight time

5h 50m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Colorado Springs takes 5h 50m
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 50m.

  • 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
8,011 reviews
Search Delta flights
United AirlinesPriceFrom $236Free CancellationRating
7.4
9,063 reviews
Search United Airlines flights
SouthwestPriceFrom $280Free CancellationRating
8.0
4,253 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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