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Cheap flights from Washington, D.C. Dulles Intl Airport to Denver from $105

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 9/3. 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

Southwest Logo
5:45 am - 10:40 amIAD-COS
6h 55m1 stop
Southwest Logo
7:25 am - 5:15 pmCOS-IAD
7h 50m1 stop
$209Southwest
Find Deal
Wed, Sep 3 - Tue, Sep 9
United Airlines Logo
6:35 am - 10:56 amIAD-COS
6h 21m1 stop
United Airlines Logo
9:30 am - 4:43 pmCOS-IAD
5h 13m1 stop
$210United Airlines
Find Deal
Wed, Sep 3 - Thu, Sep 4
Southwest Logo
4:30 pm - 9:45 pmIAD-COS
7h 15m1 stop
Southwest Logo
3:30 pm - 10:45 pmCOS-IAD
5h 15m1 stop
$211Southwest
Find Deal
Thu, Sep 11 - Sat, Sep 13
American Airlines Logo
2:21 pm - 10:08 pmIAD-COS
9h 47m2 stops
American Airlines Logo
6:02 am - 4:50 pmCOS-IAD
8h 48m1 stop
$214American Airlines
Find Deal
Wed, Sep 3 - Tue, Sep 9
American Airlines Logo
11:30 am - 5:31 pmIAD-COS
8h 01m1 stop
American Airlines Logo
6:13 am - 3:58 pmCOS-IAD
7h 45m2 stops
$215American Airlines
Find Deal
Mon, Dec 8 - Wed, Dec 10
Delta Logo
6:00 am - 12:06 pmIAD-COS
8h 06m1 stop
Delta Logo
5:55 pm - 9:09 amCOS-IAD
13h 14m2 stops
$242Delta
Find Deal
Mon, Sep 15 - Tue, Sep 23
Southwest Logo
7:50 pm - 11:10 pmIAD-COS
5h 20m1 stop
Southwest Logo
6:35 am - 5:05 pmCOS-IAD
8h 30m1 stop
$249Southwest
Find Deal
Fri, Nov 7 - Tue, Nov 11
Southwest Logo
6:50 pm - 10:35 pmIAD-COS
5h 45m1 stop
Southwest Logo
10:45 am - 6:15 pmCOS-IAD
5h 30m1 stop
$250Southwest
Find Deal
Mon, Sep 8 - Fri, Sep 12
United Airlines Logo
6:35 am - 10:56 amIAD-COS
6h 21m1 stop
United Airlines Logo
3:45 pm - 11:17 pmCOS-IAD
5h 32m1 stop
$256United Airlines
Find Deal
Wed, Sep 3 - Wed, Sep 3
Delta Logo
6:00 am - 12:57 pmIAD-COS
8h 57m1 stop
Delta Logo
6:00 am - 1:57 pmCOS-IAD
5h 57m1 stop
$263Delta
Find Deal
Sun, Nov 9 - Wed, Nov 12

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
Sep 3
IAD5:45 amWashington, D.C. Dulles Intl
6h 55m
1 stop
COS10:40 amColorado Springs
Sep 9
COS7:25 amColorado Springs
7h 50m
1 stop
IAD5:15 pmWashington, D.C. Dulles Intl
$209
Find similar
Southwest
Sep 11
IAD4:30 pmWashington, D.C. Dulles Intl
7h 15m
1 stop
COS9:45 pmColorado Springs
Sep 13
COS3:30 pmColorado Springs
5h 15m
1 stop
IAD10:45 pmWashington, D.C. Dulles Intl
$211
Find similar
Southwest
Nov 7
IAD7:50 pmWashington, D.C. Dulles Intl
5h 20m
1 stop
COS11:10 pmColorado Springs
Nov 11
COS6:35 amColorado Springs
8h 30m
1 stop
IAD5:05 pmWashington, D.C. Dulles Intl
$249
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
Sep 3
IAD6:35 amWashington, D.C. Dulles Intl
6h 21m
1 stop
COS10:56 amColorado Springs
Sep 4
COS9:30 amColorado Springs
5h 13m
1 stop
IAD4:43 pmWashington, D.C. Dulles Intl
$210
Find similar
United Airlines
Sep 3
IAD6:35 amWashington, D.C. Dulles Intl
6h 21m
1 stop
COS10:56 amColorado Springs
Sep 3
COS3:45 pmColorado Springs
5h 32m
1 stop
IAD11:17 pmWashington, D.C. Dulles Intl
$256
Find similar
United Airlines
Oct 11
IAD2:45 pmWashington, D.C. Dulles Intl
6h 04m
1 stop
COS6:49 pmColorado Springs
Oct 18
COS6:00 amColorado Springs
5h 51m
1 stop
IAD1:51 pmWashington, D.C. Dulles Intl
$286
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 August 14, 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

Wed 9/3

5:45 am-10:40 am

1 stop6h 55m

Colorado Springs

Tue 9/9

7:25 am-5:15 pm

1 stop7h 50m

$209

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Wed 9/3

6:35 am-10:56 am

1 stop6h 21m

Colorado Springs

Thu 9/4

9:30 am-4:43 pm

1 stop5h 13m

$210

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Thu 9/11

4:30 pm-9:45 pm

1 stop7h 15m

Colorado Springs

Sat 9/13

3:30 pm-10:45 pm

1 stop5h 15m

$211

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Wed 9/3

2:21 pm-10:08 pm

2 stops9h 47m

Colorado Springs

Tue 9/9

6:02 am-4:50 pm

1 stop8h 48m

$214

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Mon 12/8

11:30 am-5:31 pm

1 stop8h 01m

Colorado Springs

Wed 12/10

6:13 am-3:58 pm

2 stops7h 45m

$215

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Mon 9/15

6:00 am-12:06 pm

1 stop8h 06m

Colorado Springs

Tue 9/23

5:55 pm-9:09 am

2 stops13h 14m

$242

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

Tue 11/11

6:35 am-5:05 pm

1 stop8h 30m

$249

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Mon 9/8

6:50 pm-10:35 pm

1 stop5h 45m

Colorado Springs

Fri 9/12

10:45 am-6:15 pm

1 stop5h 30m

$250

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Wed 9/3

6:35 am-10:56 am

1 stop6h 21m

Colorado Springs

Wed 9/3

3:45 pm-11:17 pm

1 stop5h 32m

$256

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Sun 11/9

6:00 am-12:57 pm

1 stop8h 57m

Colorado Springs

Wed 11/12

6:00 am-1:57 pm

1 stop5h 57m

$263

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 September is another great option to travel to Colorado Springs, with average flight prices from Washington, D.C. Dulles Intl Airport averaging around $316.

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 far in advance should I book a flight to Colorado Springs?

You are more likely to see cheaper flights to Colorado Springs from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado Springs for around $423 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado Springs from Washington, D.C. Dulles Intl Airport for as low as $288 on momondo.

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

Best Price Found

$105

Fastest flight time

5h 15m

Direct flights

None

Airports in Colorado Springs

1 airport
The best one-way flight to Colorado Springs from Washington, D.C. Dulles Intl Airport in the past 72 hours is $105. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Colorado Springs found on momondo in the last 72 hours is $209.
The fastest flight from Washington, D.C. Dulles Intl Airport to Colorado Springs takes 5h 15m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Colorado Springs. Popular non-direct route for this connection is Washington, D.C. Dulles Intl Airport - Colorado Springs Airport.
There is 1 airport near Colorado Springs: Colorado Springs (COS)
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 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 $180Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $236Free CancellationRating
8.0
7,980 reviews
Search Delta flights
United AirlinesPriceFrom $272Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
SouthwestPriceFrom $280Free CancellationRating
8.0
4,244 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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