Colorado

$67+ 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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — DEN
Jan 15 — Jan 221
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Cheap 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 December 16, 2025.

This Frontier deal was found by Cheapflights users on 12/14. 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.
Tue 12/308:00 amDCA - DEN
Nonstop4h 13mFrontier
Sat 1/104:38 pmDEN - DCA
Nonstop3h 21mFrontier
Deal found 12/14$194
This Frontier deal was found by Cheapflights users on 12/14. 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.
Tue 12/308:00 amDCA - DEN
Nonstop4h 13mFrontier
Mon 1/127:35 amDEN - DCA
Nonstop3h 26mFrontier
Deal found 12/14$205
This Mytrip deal was found by Cheapflights users on 12/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/292:09 pmIAD - DEN
1 stop20h 39mFrontier
Thu 1/89:44 amDEN - IAD
1 stop20h 11mFrontier
Deal found 12/16$232
This Frontier deal was found by Cheapflights users on 12/14. 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 12/299:58 pmIAD - DEN
1 stop12h 26mFrontier
Sat 1/106:33 pmDEN - IAD
1 stop11h 07mFrontier
Deal found 12/14$233
This CheapOair deal was found by Cheapflights users on 12/16. 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.
Mon 12/292:09 pmIAD - DEN
1 stop20h 39mFrontier
Mon 1/126:00 amDEN - IAD
1 stop7h 27mFrontier
Deal found 12/16$234
This Frontier deal was found by Cheapflights users on 12/14. 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.
Thu 12/258:00 amDCA - DEN
Nonstop4h 13mFrontier
Tue 1/64:38 pmDEN - DCA
Nonstop3h 21mFrontier
Deal found 12/14$239
This Frontier deal was found by Cheapflights users on 12/14. 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.
Tue 12/308:00 amDCA - DEN
Nonstop4h 13mFrontier
Sun 1/117:35 amDEN - DCA
Nonstop3h 26mFrontier
Deal found 12/14$244
This eDestinos deal was found by Cheapflights users on 12/16. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:01 pmIAD - DEN
2 stops30h 12mFrontier
Sat 1/1011:59 pmDEN - IAD
1 stop29h 41mFrontier
Deal found 12/16$255
This Frontier deal was found by Cheapflights users on 12/15. 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.
Mon 12/298:00 amDCA - DEN
Nonstop4h 13mFrontier
Sat 1/104:38 pmDEN - DCA
Nonstop3h 21mFrontier
Deal found 12/15$264
This Priceline deal was found by Cheapflights users on 12/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:58 pmIAD - DEN
1 stop12h 26mFrontier
Fri 1/911:59 pmDEN - IAD
1 stop7h 09mFrontier
Deal found 12/15$268
This Frontier deal was found by Cheapflights users on 12/14. 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 12/292:00 pmDCA - DEN
Nonstop4h 15mFrontier
Mon 1/127:35 amDEN - DCA
Nonstop3h 26mFrontier
Deal found 12/14$281
This CheapOair deal was found by Cheapflights users on 12/16. 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.
Mon 12/292:09 pmIAD - DEN
1 stop20h 39mFrontier
Mon 1/59:24 amDEN - IAD
1 stop9h 39mFrontier
Deal found 12/16$285

Find 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 December 16, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$133
(Frontier)

One-way from

$67
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$359

Good round-trip deal

$128 or less

Good one-way deal

$124 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Denver Intl flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Denver Intl flights.
From District of Columbia to Colorado
One-way flight from District of Columbia to Colorado
Highest demand for flights based on searches. 4% potential increase in price ($11 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from District of Columbia to Colorado.
Price to beat on a one-way flight from District of Columbia to Colorado.

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 December 16, 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

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

Tue 1/13

2:00 pm-4:22 pm

Nonstop4h 22m

Denver Intl

Tue 1/20

4:38 pm-9:59 pm

Nonstop3h 21m

$134

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Wed 2/18

2:15 pm-8:05 pm

1 stop7h 50m

Denver Intl

Wed 2/25

10:50 am-8:45 pm

1 stop7h 55m

$217

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Mon 2/23

5:30 am-7:30 am

Nonstop4h 00m

Denver Intl

Thu 2/26

9:30 am-2:45 pm

Nonstop3h 15m

$217

Washington, D.C.Hayden

IAD - HDN

IADHDN

Washington, D.C. Dulles Intl

Sat 1/10

6:00 am-12:29 pm

1 stop8h 29m

Hayden Yampa Valley

Wed 1/14

1:19 pm-9:17 pm

1 stop5h 58m

$217

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Wed 2/11

6:00 am-10:08 am

1 stop6h 08m

Denver Intl

Wed 2/18

6:00 am-2:44 pm

1 stop6h 44m

$217

Washington, D.C.Denver

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

Sun 1/25

7:00 am-12:45 pm

1 stop7h 45m

Denver Intl

Thu 1/29

11:35 am-10:59 pm

1 stop9h 24m

$219

Washington, D.C.Hayden

IAD - HDN

IADHDN

Washington, D.C. Dulles Intl

Sat 1/10

6:04 pm-3:50 pm

1 stop23h 46m

Hayden Yampa Valley

Wed 1/14

12:41 pm-5:04 pm

1 stop26h 23m

$224

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Sat 2/7

7:00 am-2:00 pm

1 stop9h 00m

Denver Intl

Tue 2/10

10:35 am-3:50 pm

Nonstop3h 15m

$227

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Wed 2/18

2:15 pm-8:05 pm

1 stop7h 50m

Denver Intl

Mon 2/23

7:05 am-2:44 pm

1 stop5h 39m

$227

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Thu 2/5

7:30 pm-12:28 am

1 stop6h 58m

Denver Intl

Tue 2/10

7:05 am-2:45 pm

1 stop5h 40m

$227

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

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, March is the cheapest month in which you can book a flight from District of Columbia to Colorado (average of $72). Flying from District of Columbia to Colorado in June is currently the most expensive (average of $173). 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 December 16, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 14% on flights from District of Columbia to Colorado by exploring options for tickets in the evening.

What is the cheapest day to fly from District of Columbia to Colorado?

Use this chart to determine the cheapest time to fly round-trip from District of Columbia to Colorado. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their District of Columbia to Colorado flight should consider departing on Saturday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 16, 2025.

The most flights from USDC to USCO are scheduled on a Monday (23 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (2 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 December 16, 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.

Crew

8.6

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

7.9

Boarding

8.1

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

Crew

8.6

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

7.9

Boarding

8.1

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

Crew

8.6

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

7.9

Boarding

8.1

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

Crew

8.6

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

7.9

Boarding

8.1

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

Crew

8.6

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

7.9

Boarding

8.1

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

Crew

8.6

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

7.9

Boarding

8.1

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 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 4h. Frontier provides one of the quickest options available for as low as $217. 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 Frontier, with whom users have recently found tickets for as low as $55. However, be on the lookout for offers from American Airlines 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, March is the cheapest month in which you can book a flight from District of Columbia to Colorado (average of $72). Flying from District of Columbia to Colorado in June is currently the most expensive (average of $173). 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

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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.

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 December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$92Average$240FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$128Average$450FlexibilityNo cancel feeOn-time62%
DeltaCheapest$138Average$315FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$160Average$469FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$178Average$409FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$214Average$498FlexibilityNo cancel feeOn-time69%

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