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Cheap flights from Colorado Springs to Washington, D.C. from $145

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado Springs to Washington, D.C. departing on 1/12. 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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0 bags

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Cheap round-trip flights

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Delta Logo
12:00 pm - 11:48 pm
COS
-
IAD
9h 48m1 stop
Delta Logo
6:20 am - 12:22 pm
IAD
-
COS
8h 02m1 stop
$323Delta
Tue, Jan 13 - Sat, Jan 17
Delta Logo
7:59 am - 11:06 pm
COS
-
IAD
13h 07m2 stops
Delta Logo
7:15 am - 12:23 pm
IAD
-
COS
7h 08m1 stop
$328Delta
Tue, Jan 13 - Tue, Jan 20
Delta Logo
7:59 am - 11:06 pm
COS
-
IAD
13h 07m2 stops
Delta Logo
12:32 pm - 10:23 pm
IAD
-
COS
11h 51m2 stops
$333Delta
Tue, Jan 13 - Tue, Jan 20
Delta Logo
12:00 pm - 11:48 pm
COS
-
IAD
9h 48m1 stop
Delta Logo
7:15 am - 12:23 pm
IAD
-
COS
7h 08m1 stop
$336Delta
Tue, Jan 13 - Tue, Jan 20
Delta Logo
7:59 am - 11:06 pm
COS
-
IAD
13h 07m2 stops
Delta Logo
7:15 am - 12:23 pm
IAD
-
COS
7h 08m1 stop
$341Delta
Tue, Jan 13 - Tue, Jan 20
Delta Logo
7:59 am - 11:06 pm
COS
-
IAD
13h 07m2 stops
Delta Logo
12:32 pm - 10:23 pm
IAD
-
COS
11h 51m2 stops
$346Delta
Tue, Jan 13 - Tue, Jan 20
United Airlines Logo
10:33 am - 7:21 pm
COS
-
IAD
6h 48m1 stop
United Airlines Logo
4:11 pm - 9:06 pm
IAD
-
COS
6h 55m1 stop
$351United Airlines
Wed, Jan 7 - Tue, Jan 13
Delta Logo
1:21 pm - 11:37 pm
COS
-
IAD
8h 16m1 stop
Delta Logo
3:00 pm - 10:23 pm
IAD
-
COS
9h 23m2 stops
$356Delta
Wed, Jan 7 - Tue, Jan 13
American Airlines Logo
6:12 am - 4:31 pm
COS
-
IAD
8h 19m1 stop
American Airlines Logo
6:00 am - 12:50 pm
IAD
-
COS
8h 50m1 stop
$364American Airlines
Tue, Feb 10 - Thu, Feb 19
Multiple Airlines Logo
10:39 am - 8:26 am
COS
-
IAD
19h 47m1 stop
Multiple Airlines Logo
9:21 am - 9:49 am
IAD
-
COS
26h 28m1 stop
$365Multiple Airlines
Fri, Apr 10 - Sun, Apr 12

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

Our best Delta deals on Colorado Springs to Washington, D.C. Dulles Intl Airport flight tickets
Delta
Jan 13
COS12:00 pmColorado Springs
9h 48m
1 stop
IAD11:48 pmWashington, D.C. Dulles Intl
Jan 17
IAD6:20 amWashington, D.C. Dulles Intl
8h 02m
1 stop
COS12:22 pmColorado Springs
$323
Find similar
Delta
Jan 13
COS7:59 amColorado Springs
13h 07m
2 stops
IAD11:06 pmWashington, D.C. Dulles Intl
Jan 20
IAD7:15 amWashington, D.C. Dulles Intl
7h 08m
1 stop
COS12:23 pmColorado Springs
$328
Find similar
Delta
Jan 13
COS7:59 amColorado Springs
13h 07m
2 stops
IAD11:06 pmWashington, D.C. Dulles Intl
Jan 20
IAD12:32 pmWashington, D.C. Dulles Intl
11h 51m
2 stops
COS10:23 pmColorado Springs
$333
Find similar

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

Our best Southwest deals on Colorado Springs to Washington, D.C. Dulles Intl Airport flight tickets
Southwest
Apr 10
COS6:15 amColorado Springs
8h 50m
1 stop
IAD5:05 pmWashington, D.C. Dulles Intl
Apr 18
IAD5:50 amWashington, D.C. Dulles Intl
5h 25m
1 stop
COS9:15 amColorado Springs
$383
Find similar
Southwest
Apr 2
COS6:35 amColorado Springs
7h 30m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
Apr 7
IAD6:20 amWashington, D.C. Dulles Intl
11h 50m
2 stops
COS4:10 pmColorado Springs
$384
Find similar
Southwest
Jan 13
COS12:05 pmColorado Springs
7h 50m
1 stop
IAD9:55 pmWashington, D.C. Dulles Intl
Jan 16
IAD5:40 pmWashington, D.C. Dulles Intl
5h 50m
1 stop
COS9:30 pmColorado Springs
$389
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Colorado Springs to Washington, D.C. Dulles Intl Airport 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 December 11, 2025.
Use the filters below to find and compare flights from Colorado Springs to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Colorado SpringsWashington, D.C.

COS - IAD

COSIAD

Colorado Springs

Tue 1/13

12:00 pm-11:48 pm

1 stop9h 48m

Washington, D.C. Dulles Intl

Sat 1/17

6:20 am-12:22 pm

1 stop8h 02m

$323

Colorado SpringsWashington, D.C.

COS - IAD

COSIAD

Colorado Springs

Tue 1/13

7:59 am-11:06 pm

2 stops13h 07m

Washington, D.C. Dulles Intl

Tue 1/20

7:15 am-12:23 pm

1 stop7h 08m

$328

Colorado SpringsWashington, D.C.

COS - IAD

COSIAD

Colorado Springs

Tue 1/13

7:59 am-11:06 pm

2 stops13h 07m

Washington, D.C. Dulles Intl

Tue 1/20

12:32 pm-10:23 pm

2 stops11h 51m

$333

Colorado SpringsWashington, D.C.

COS - IAD

COSIAD

Colorado Springs

Tue 1/13

12:00 pm-11:48 pm

1 stop9h 48m

Washington, D.C. Dulles Intl

Tue 1/20

7:15 am-12:23 pm

1 stop7h 08m

$336

Colorado SpringsWashington, D.C.

COS - IAD

COSIAD

Colorado Springs

Tue 1/13

7:59 am-11:06 pm

2 stops13h 07m

Washington, D.C. Dulles Intl

Tue 1/20

7:15 am-12:23 pm

1 stop7h 08m

$341

Colorado SpringsWashington, D.C.

COS - IAD

COSIAD

Colorado Springs

Tue 1/13

7:59 am-11:06 pm

2 stops13h 07m

Washington, D.C. Dulles Intl

Tue 1/20

12:32 pm-10:23 pm

2 stops11h 51m

$346

Colorado SpringsWashington, D.C.

COS - IAD

COSIAD

Colorado Springs

Wed 1/7

10:33 am-7:21 pm

1 stop6h 48m

Washington, D.C. Dulles Intl

Tue 1/13

4:11 pm-9:06 pm

1 stop6h 55m

$351

Colorado SpringsWashington, D.C.

COS - IAD

COSIAD

Colorado Springs

Wed 1/7

1:21 pm-11:37 pm

1 stop8h 16m

Washington, D.C. Dulles Intl

Tue 1/13

3:00 pm-10:23 pm

2 stops9h 23m

$356

Colorado SpringsWashington, D.C.

COS - IAD

COSIAD

Colorado Springs

Tue 2/10

6:12 am-4:31 pm

1 stop8h 19m

Washington, D.C. Dulles Intl

Thu 2/19

6:00 am-12:50 pm

1 stop8h 50m

$364

Colorado SpringsWashington, D.C.

COS - IAD

COSIAD

Colorado Springs

Fri 4/10

10:39 am-8:26 am

1 stop19h 47m

Washington, D.C. Dulles Intl

Sun 4/12

9:21 am-9:49 am

1 stop26h 28m

$365

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 Washington, D.C. from

How to get the cheapest flight ticket from Colorado Springs to Washington, D.C. Dulles Intl Airport

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 Washington, D.C. Dulles Intl Airport?

In general, February is the cheapest month to fly from Colorado Springs to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $288. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of February, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $316.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Friday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $459. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Colorado Springs to Washington, D.C. Dulles Intl Airport for around $651.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Colorado Springs in the morning is the least expensive time of day to depart. momondo users have found prices as low as $464 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $626 on average. Flights to Washington, D.C. Dulles Intl Airport from Colorado Springs in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Colorado Springs to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 8% on your flight if you consider stops on a Colorado Springs to Washington, D.C. Dulles Intl Airport flight.

How have Colorado Springs to Washington, D.C. Dulles Intl Airport flight prices changed over time?

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

Are you open to changing your travel dates? Check out the ideal times to fly from Colorado Springs to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Colorado Springs to Washington, D.C. Dulles Intl Airport (COS to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Colorado Springs to Washington, D.C. Dulles Intl Airport

Fastest flight time

5h 05m

Direct flights

None
The fastest flight from Colorado Springs to Washington, D.C. Dulles Intl Airport takes 5h 05m
There are no direct flights from Colorado Springs to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Colorado Springs to Washington, D.C. Dulles Intl Airport.
Search flight deals

  • How far is Colorado Springs to Washington, D.C. Dulles Intl by plane?

    The distance between Colorado Springs and Washington, D.C. Dulles Intl is about 1465.4 mi. By plane, this route typically takes 5h 05m.

  • When did momondo last update prices for flights from Colorado Springs Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Colorado Springs Airport to Washington, D.C. Dulles Intl Airport are updated daily.

  • How many operators does momondo search for flights from Colorado Springs Airport to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from Colorado Springs Airport to Washington, D.C. Dulles Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Colorado Springs Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The necessary travel and health documents for your Washington, D.C. Dulles Intl 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 Colorado Springs to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Colorado Springs to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Colorado Springs to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $236Free CancellationRating
7.9
8,009 reviews
Search Delta flights
United AirlinesPriceFrom $272Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
SouthwestPriceFrom $281Free CancellationRating
7.9
4,252 reviews
Search Southwest flights

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Harpers Ferry
Rockville
Gaithersburg
Reston
Manassas
Sterling
Fairfax

Why use momondo?

Why should I use momondo to find a flight deal from Colorado Springs to Washington, D.C.?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Colorado Springs to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Colorado Springs to Washington, D.C. with flexible booking policies on momondo?

Flights from Colorado Springs to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Colorado Springs to Washington, D.C.?

momondo provides multiple filters to help you find the best flight to Washington, D.C. from Colorado Springs. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Colorado Springs to Washington, D.C. right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Colorado Springs to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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