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$84+ Cheap flights from District of Columbia to Colorado

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — DEN
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from District of Columbia to Colorado

Keep the following information in mind while searching for District of Columbia to Colorado flight deals. Data was last updated September 15, 2025.

Round-trip from

$145
(Cheapflightsfares)

One-way from

$84
(American Airlines)

Popular in

December

Cheapest in

August

Average price

$254

Good round-trip deal

$128 or less

Good one-way deal

$129 or less
From District of Columbia to Colorado
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One-way flight from District of Columbia to Colorado
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Highest demand for flights based on searches. 2% potential increase in price ($7 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from District of Columbia to Colorado.
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Price to beat on a one-way flight from District of Columbia to Colorado.
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Find flight deals from District of Columbia to Colorado

Cheapest flights from District of Columbia to Colorado
Explore the most affordable flight options available from District of Columbia to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/31:00 pmDCA - DEN
Nonstop4h 00mFrontier
Tue 10/74:34 pmDEN - DCA
Nonstop3h 25mFrontier
Deal found 9/14$145
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/11:00 pmDCA - DEN
Nonstop4h 00mFrontier
Sat 10/411:25 amDEN - DCA
Nonstop3h 34mFrontier
Deal found 9/14$146
This Frontier deal was found by Cheapflights users on 9/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/81:00 pmDCA - DEN
Nonstop4h 06mFrontier
Mon 12/1511:38 amDEN - DCA
Nonstop3h 21mFrontier
Deal found 9/14$147
This Frontier deal was found by Cheapflights users on 9/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/41:00 pmDCA - DEN
Nonstop4h 00mFrontier
Mon 10/66:45 amDEN - DCA
Nonstop3h 25mFrontier
Deal found 9/15$148
This Southwest deal was found by Cheapflights users on 9/13. 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.
Sat 10/256:40 amIAD - DEN
Nonstop3h 50mSouthwest
Wed 10/295:45 pmDEN - IAD
Nonstop3h 20mSouthwest
Deal found 9/13$149
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/87:00 amDCA - DEN
Nonstop4h 08mFrontier
Sat 10/116:38 amDEN - DCA
Nonstop3h 26mFrontier
Deal found 9/15$149
This Priceline deal was found by Cheapflights users on 9/12. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/291:55 pmIAD - DEN
1 stop8h 52mFrontier
Thu 10/21:12 pmDEN - IAD
1 stop8h 27mFrontier
Deal found 9/12$150
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/26:31 pmDCA - DEN
Nonstop3h 58mFrontier
Sun 10/56:45 amDEN - DCA
Nonstop3h 25mFrontier
Deal found 9/13$150
This Frontier deal was found by Cheapflights users on 9/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/268:00 amDCA - DEN
Nonstop4h 05mFrontier
Wed 10/297:40 amDEN - DCA
Nonstop3h 24mFrontier
Deal found 9/13$152
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/237:00 amDCA - DEN
Nonstop4h 08mFrontier
Mon 10/274:34 pmDEN - DCA
Nonstop3h 25mFrontier
Deal found 9/15$154
This CheapOair deal was found by Cheapflights users on 9/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/69:52 pmIAD - DEN
1 stop12h 51mFrontier
Mon 11/101:42 pmDEN - IAD
1 stop8h 29mFrontier
Deal found 9/14$155
This Frontier deal was found by Cheapflights users on 9/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/277:00 amDCA - DEN
Nonstop3h 58mFrontier
Sat 10/411:25 amDEN - DCA
Nonstop3h 34mFrontier
Deal found 9/15$155

Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia to Colorado 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 September 15, 2025.
Use the filters below to find and compare flights from District of Columbia to Colorado that are best for you.

Fly from

District of Columbia

Fly to

Colorado

Route

Depart

Return

Price

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Tue 10/21

10:09 pm-11:57 pm

Nonstop3h 48m

Denver Intl

Sat 10/25

8:01 am-1:28 pm

Nonstop3h 27m

$177

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Wed 11/12

10:10 pm-12:15 am

Nonstop4h 05m

Denver Intl

Mon 11/17

11:59 pm-5:16 am

Nonstop3h 17m

$197

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Wed 11/12

7:40 am-9:30 am

Nonstop3h 50m

Denver Intl

Thu 11/13

5:25 am-5:10 pm

1 stop9h 45m

$207

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Sat 10/4

6:40 am-8:30 am

Nonstop3h 50m

Denver Intl

Tue 10/7

5:45 pm-11:05 pm

Nonstop3h 20m

$217

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Fri 12/12

10:10 pm-12:15 am

Nonstop4h 05m

Denver Intl

Sun 12/14

8:05 am-1:23 pm

Nonstop3h 18m

$217

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Fri 10/24

7:45 pm-9:35 pm

Nonstop3h 50m

Denver Intl

Mon 10/27

7:45 am-1:00 pm

Nonstop3h 15m

$217

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Sat 11/8

3:55 pm-5:50 pm

Nonstop3h 55m

Denver Intl

Tue 11/11

6:30 am-5:05 pm

1 stop8h 35m

$218

Washington, D.C.Hayden

IAD - HDN

IADHDN

Washington, D.C. Dulles Intl

Sat 1/10

12:30 pm-2:48 pm

Nonstop4h 18m

Hayden Yampa Valley

Wed 1/14

1:32 pm-9:07 pm

1 stop5h 35m

$227

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Thu 12/11

5:45 pm-7:45 pm

Nonstop4h 00m

Denver Intl

Tue 12/16

7:25 am-5:05 pm

1 stop7h 40m

$227

Washington, D.C.Colorado Springs

DCA - COS

DCACOS

Washington, D.C. Reagan-National

Wed 10/29

5:00 am-9:46 am

1 stop6h 46m

Colorado Springs

Sat 11/1

5:01 pm-12:59 am

1 stop5h 58m

$233

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 60 results
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Best time to book a flight from District of Columbia to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado from District of Columbia 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 District of Columbia to Colorado

What is the cheapest month to book a flight from District of Columbia to Colorado?

Currently, October is the cheapest month in which you can book a flight from District of Columbia to Colorado (average of $197). Flying from District of Columbia to Colorado in March is currently the most expensive (average of $278). 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.

What is the cheapest time of day to fly from DC to CO?

Find hourly flight availability from District of Columbia to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from District of Columbia to Colorado as you normally would.

Weekly flight availability from District of Columbia to Colorado

Explore weekly flight availability from District of Columbia to Colorado. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 15, 2025.

The most flights from USDC to USCO are scheduled on a Friday (23 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (17 on average).

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. 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. Reviews last updated September 15, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from District of Columbia to Colorado to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,954 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,929 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,172 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

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

  • How long is the flight from District of Columbia to Colorado?

    A quick flight from District of Columbia to Colorado can take about 3h 48m. United Airlines provides one of the quickest options available for as low as $177. District of Columbia and Colorado are separated by a distance of 1448 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from District of Columbia to Colorado one-way?

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $84. However, be on the lookout for offers from Frontier and Southwest, as they are both options that can get you from District of Columbia to Colorado for a low price.

  • Can I find deals for flights from District of Columbia to Colorado that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Colorado flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to Colorado?

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

  • Can I find deals for business class flights from District of Columbia to Colorado?

    Yes. Cheapflights offers flight deals from District of Columbia to Colorado 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 District of Columbia to Colorado?

    Currently, October is the cheapest month in which you can book a flight from District of Columbia to Colorado (average of $197). Flying from District of Columbia to Colorado in March is currently the most expensive (average of $278). 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.

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Alternative routes for District of Columbia to Colorado

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from District of Columbia to Colorado

Discover the top 6 airlines that operate flights from District of Columbia to Colorado. 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$103Average$236FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$128Average$321FlexibilityNo cancel feeOn-time62%
DeltaCheapest$158Average$321FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$160Average$465FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$178Average$412FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$202Average$543FlexibilityNo cancel feeOn-time69%

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