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$69+ 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 12/25. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — DEN
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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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 October 30, 2025.

This Frontier deal was found by Cheapflights users on 10/30. 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 12/162:00 pmDCA - DEN
Nonstop4h 15mFrontier
Sat 12/204:38 pmDEN - DCA
Nonstop3h 21mFrontier
Deal found 10/30$134
This Frontier deal was found by Cheapflights users on 10/29. 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 12/28:00 amDCA - DEN
Nonstop4h 13mFrontier
Sat 12/67:40 amDEN - DCA
Nonstop3h 26mFrontier
Deal found 10/29$136
This Frontier deal was found by Cheapflights users on 10/30. 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 11/138:36 pmIAD - DEN
1 stop13h 39mFrontier
Sat 11/1512:25 pmDEN - IAD
1 stop9h 30mFrontier
Deal found 10/30$137
This Frontier deal was found by Cheapflights users on 10/29. 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.
Wed 12/106:00 pmDCA - DEN
Nonstop4h 12mFrontier
Sun 12/1411:38 amDEN - DCA
Nonstop3h 21mFrontier
Deal found 10/29$137
This Frontier deal was found by Cheapflights users on 10/29. 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 12/138:00 amDCA - DEN
Nonstop4h 13mFrontier
Sat 12/134:38 pmDEN - DCA
Nonstop3h 21mFrontier
Deal found 10/29$138
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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 11/276:00 pmDCA - DEN
Nonstop4h 09mFrontier
Mon 12/84:38 pmDEN - DCA
Nonstop3h 21mFrontier
Deal found 10/29$140
This CheapOair deal was found by Cheapflights users on 10/30. 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.
Fri 12/59:26 amIAD - DEN
1 stop8h 17mFrontier
Sun 12/77:00 amDEN - IAD
1 stop23h 31mFrontier
Deal found 10/30$141
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/45:45 amIAD - DEN
1 stop17h 53mFrontier
Sat 12/611:25 pmDEN - IAD
1 stop9h 44mFrontier
Deal found 10/30$142
This CheapOair deal was found by Cheapflights users on 10/30. 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.
Sat 12/69:20 pmIAD - DEN
1 stop13h 04mFrontier
Mon 12/812:59 amDEN - IAD
1 stop11h 30mFrontier
Deal found 10/30$144
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/276:00 pmDCA - DEN
Nonstop4h 09mFrontier
Thu 12/411:38 amDEN - DCA
Nonstop3h 21mFrontier
Deal found 10/30$144
This Flightnetwork deal was found by Cheapflights users on 10/30. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/69:20 pmIAD - DEN
1 stop13h 04mFrontier
Sat 12/1311:25 pmDEN - IAD
1 stop9h 44mFrontier
Deal found 10/30$145
This Mytrip deal was found by Cheapflights users on 10/29. 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.
Tue 12/162:00 pmDCA - DEN
Nonstop4h 15mFrontier
Thu 12/184:38 pmDEN - DCA
Nonstop3h 21mFrontier
Deal found 10/29$148

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 October 30, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$130
(Frontier)

One-way from

$69
(Cheapflightsfares)

Popular in

December

Cheapest in

August

Average price

$277

Good round-trip deal

$128 or less

Good one-way deal

$125 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Denver Intl flights.
Search Deals
From District of Columbia to Colorado
Search Deals
One-way flight from District of Columbia to Colorado
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($3 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from District of Columbia to Colorado.
Search Deals
Price to beat on a one-way flight from District of Columbia to Colorado.
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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 October 30, 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

Sun 12/7

2:00 pm-4:15 pm

Nonstop4h 15m

Denver Intl

Wed 12/10

11:38 am-4:59 pm

Nonstop3h 21m

$160

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Sun 12/7

5:26 pm-9:02 am

1 stop17h 36m

Denver Intl

Tue 12/9

12:59 am-2:29 pm

1 stop11h 30m

$181

Washington, D.C.Denver

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

Wed 12/10

6:00 am-11:05 am

1 stop7h 05m

Denver Intl

Tue 12/16

11:50 am-10:59 pm

1 stop9h 09m

$185

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Sat 12/6

9:20 pm-8:24 am

1 stop13h 04m

Denver Intl

Tue 12/9

12:59 am-2:29 pm

1 stop11h 30m

$196

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Sun 12/7

5:05 am-7:00 am

Nonstop3h 55m

Denver Intl

Wed 12/10

10:30 am-3:45 pm

Nonstop3h 15m

$197

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Sat 12/6

10:10 pm-12:15 am

Nonstop4h 05m

Denver Intl

Sun 12/7

11:59 pm-5:16 am

Nonstop3h 17m

$197

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Wed 12/3

10:10 pm-12:15 am

Nonstop4h 05m

Denver Intl

Sun 12/7

11:59 pm-5:16 am

Nonstop3h 17m

$197

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Sat 1/17

4:11 pm-6:24 pm

Nonstop4h 13m

Denver Intl

Fri 1/23

9:50 am-3:13 pm

Nonstop3h 23m

$197

Washington, D.C.Denver

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

Fri 11/14

8:15 am-10:20 am

Nonstop4h 05m

Denver Intl

Mon 11/17

4:34 pm-9:59 pm

Nonstop3h 25m

$208

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Sat 12/6

3:55 pm-5:50 pm

Nonstop3h 55m

Denver Intl

Wed 12/10

10:30 am-3:45 pm

Nonstop3h 15m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

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, November is the cheapest month in which you can book a flight from District of Columbia to Colorado (average of $79). 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 October 30, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 10% 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.

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 October 30, 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
4,243 reviews

Overall

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

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
4,243 reviews
Southwest
8.0
Very good
4,243 reviews

Overall

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

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
7.9
Good
7,998 reviews
Southwest
8.0
Very good
4,243 reviews

Overall

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

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
8,998 reviews
Southwest
8.0
Very good
4,243 reviews

Overall

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

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
11,035 reviews
Southwest
8.0
Very good
4,243 reviews

Overall

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

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
3,122 reviews
Southwest
8.0
Very good
4,243 reviews

Overall

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

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 55m. Frontier provides one of the quickest options available for as low as $197. 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 United Airlines, with whom users have recently found tickets for as low as $89. However, be on the lookout for offers from JetBlue and Delta, 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, November is the cheapest month in which you can book a flight from District of Columbia to Colorado (average of $79). 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

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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$102Average$239FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$128Average$321FlexibilityNo cancel feeOn-time62%
DeltaCheapest$138Average$318FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$160Average$462FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$178Average$420FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$213Average$533FlexibilityNo cancel feeOn-time69%

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