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Colorado Springs

$171+ Cheap flights from Dulles Intl (IAD) to Colorado Springs (COS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — COS
Mar 23 — Mar 301
Mon 3/23
Mon 3/30
1 adult, Economy
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Cheap flight deals from Dulles Intl to Colorado Springs

Cheapest flights from Dulles Intl to Colorado Springs
Explore the most affordable flight options available from Dulles Intl to Colorado Springs. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 21, 2026.

This Delta deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/283:00 pm
IAD
-
COS
1 stop7h 20m
Delta
Tue 5/56:15 am
COS
-
IAD
1 stop8h 16m
Delta
Deal found 2/17$319
This American Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/285:59 pm
IAD
-
COS
1 stop6h 26m
American Airlines
Tue 5/51:39 pm
COS
-
IAD
2 stops7h 27m
American Airlines
Deal found 2/20$324
This American Airlines deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/245:00 am
IAD
-
COS
2 stops10h 08m
American Airlines
Tue 4/141:39 pm
COS
-
IAD
2 stops7h 27m
American Airlines
Deal found 2/17$329
This American Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/77:00 am
IAD
-
COS
1 stop7h 49m
American Airlines
Sat 4/111:39 pm
COS
-
IAD
1 stop7h 47m
American Airlines
Deal found 2/19$330
This American Airlines deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/187:00 am
IAD
-
COS
1 stop7h 49m
American Airlines
Tue 4/211:39 pm
COS
-
IAD
2 stops7h 27m
American Airlines
Deal found 2/17$335
This United Airlines deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/196:00 am
IAD
-
COS
1 stop7h 32m
United Airlines
Thu 3/266:00 am
COS
-
IAD
1 stop5h 05m
United Airlines
Deal found 2/17$341
This United Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/275:21 pm
IAD
-
COS
1 stop6h 29m
United Airlines
Wed 4/291:33 pm
COS
-
IAD
1 stop5h 52m
United Airlines
Deal found 2/18$351
This American Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/145:59 pm
IAD
-
COS
1 stop6h 26m
American Airlines
Fri 4/171:39 pm
COS
-
IAD
1 stop7h 47m
American Airlines
Deal found 2/20$353
This Southwest deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/165:55 am
IAD
-
COS
1 stop5h 25m
Southwest
Thu 4/165:20 pm
COS
-
IAD
1 stop5h 00m
Southwest
Deal found 2/18$359
This Southwest deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/175:55 am
IAD
-
COS
1 stop5h 25m
Southwest
Tue 4/217:05 am
COS
-
IAD
1 stop7h 45m
Southwest
Deal found 2/20$364
This Southwest deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/165:55 am
IAD
-
COS
1 stop5h 25m
Southwest
Sun 4/191:50 pm
COS
-
IAD
1 stop8h 50m
Southwest
Deal found 2/18$369

Find flight deals from Dulles Intl to Colorado Springs

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Colorado Springs (COS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$319
(Delta)

One-way from

$171
(United Airlines)

Popular in

December

Cheapest in

April

Average price

$533
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Colorado Springs flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Colorado Springs flights.
Search Deals
From Washington, D.C. Dulles Intl to Colorado Springs
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Colorado Springs
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($109 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl 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, Cheapflights users made 2,558,603 searches. Data last updated February 21, 2026.
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

Dulles Intl

Fly to

Colorado Springs

Route

Depart

Return

Price

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Tue 4/28

7:06 am-12:17 pm

1 stop7h 11m

Colorado Springs

Tue 5/5

6:15 am-2:04 pm

1 stop5h 49m

$319

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Tue 4/28

7:00 am-12:49 pm

1 stop7h 49m

Colorado Springs

Tue 5/5

1:39 pm-11:26 pm

1 stop7h 47m

$319

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Tue 3/24

6:01 am-12:33 pm

1 stop8h 32m

Colorado Springs

Tue 4/14

1:14 pm-8:52 pm

1 stop5h 38m

$319

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Tue 4/7

7:00 am-12:49 pm

1 stop7h 49m

Colorado Springs

Sat 4/11

1:39 pm-11:26 pm

1 stop7h 47m

$330

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Sat 4/18

7:00 am-12:49 pm

1 stop7h 49m

Colorado Springs

Tue 4/21

1:39 pm-11:06 pm

2 stops7h 27m

$335

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Thu 3/19

6:00 am-11:32 am

1 stop7h 32m

Colorado Springs

Thu 3/26

6:00 am-1:05 pm

1 stop5h 05m

$341

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Tue 4/14

7:16 am-4:23 pm

2 stops11h 07m

Colorado Springs

Fri 4/17

1:39 pm-11:26 pm

1 stop7h 47m

$358

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Fri 4/17

3:00 pm-8:20 pm

1 stop7h 20m

Colorado Springs

Mon 4/20

6:15 am-4:31 pm

1 stop8h 16m

$364

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Thu 4/16

5:55 am-9:20 am

1 stop5h 25m

Colorado Springs

Sun 4/19

1:50 pm-12:40 am

1 stop8h 50m

$369

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Tue 6/30

6:30 am-12:23 pm

1 stop7h 53m

Colorado Springs

Tue 7/14

10:23 am-5:58 pm

1 stop5h 35m

$377

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/17

Showing 1-10 of 20 results
1
2

Compare providers for flights from Dulles Intl to Colorado Springs

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Colorado Springs in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Colorado Springs flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Colorado Springs flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Colorado Springs flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Colorado Springs flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Colorado Springs flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dulles Intl to Colorado Springs

Have a flexible travel schedule? Discover the best time to fly to Colorado Springs from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Colorado Springs

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Colorado Springs?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Colorado Springs (average of $133). Flying from Washington, D.C. Dulles Intl Airport to Colorado Springs in April is currently the most expensive (average of $237). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Colorado Springs

Get insights into the airlines that provide service to Colorado Springs. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Colorado Springs. Reviews last updated February 21, 2026.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Washington, D.C. Dulles Intl Airport to Colorado Springs to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,298 reviews

Overall

8.0

Crew

8.6

Comfort

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,298 reviews
Southwest
8.0
Very good
4,298 reviews

Overall

8.0

Crew

8.6

Comfort

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,228 reviews
Southwest
8.0
Very good
4,298 reviews

Overall

8.0

Crew

8.6

Comfort

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,335 reviews
Southwest
8.0
Very good
4,298 reviews

Overall

8.0

Crew

8.6

Comfort

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,334 reviews
Southwest
8.0
Very good
4,298 reviews

Overall

8.0

Crew

8.6

Comfort

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Colorado Springs. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Colorado Springs from Washington, D.C. Dulles Intl?

    Located just 6.7 mi from the city center, Colorado Springs is the airport most travelers will use when flying to Colorado Springs from Washington, D.C. Dulles Intl. Booking flights from Washington, D.C. Dulles Intl to Colorado Springs (COS) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Dulles Intl from 4 different airlines.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Colorado Springs?

    Delta and American Airlines can get you from Washington, D.C. Dulles Intl Airport to Colorado Springs in just under 7h 11m. Your travel time can differ by up to 38m. Washington, D.C. Dulles Intl Airport and Colorado Springs are separated by a distance of 1459 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Colorado Springs round-trip?

    According to our current data, American Airlines ($160), Delta ($236), and United Airlines ($236) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Colorado Springs. American Airlines is currently priced 63% below the average price you’ll pay for this route.

  • Can I find deals for flights from Dulles Intl to Colorado Springs that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Colorado Springs flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Colorado Springs?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Colorado Springs.

  • Can I find deals for business class flights from Dulles Intl to Colorado Springs?

    Yes. Cheapflights offers flight deals from Dulles Intl to Colorado Springs by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Colorado Springs?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Colorado Springs (average of $133). Flying from Washington, D.C. Dulles Intl Airport to Colorado Springs in April is currently the most expensive (average of $237). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Colorado Springs?

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Top 4 airlines flying from Dulles Intl to Colorado Springs

Discover the top 4 airlines that operate flights from Dulles Intl to Colorado Springs. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$160Average$376FlexibilityNo cancel feeOn-time71%
DeltaCheapest$236Average$262FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$236Average$431FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$280Average$368FlexibilityNo cancel feeOn-time63%

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