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$67+ Cheap flights from District of Columbia to Denver (DEN)

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
Thu 1/15
Thu 1/22
1 adult, Economy
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Cheap flight deals from District of Columbia to Denver

Cheapest flights from District of Columbia to Denver
Explore the most affordable flight options available from District of Columbia to Denver. 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 Denver

Keep the following information in mind while searching for District of Columbia to Denver 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.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Denver Intl flights.
Search Deals
From District of Columbia to Denver Intl
Search Deals
One-way flight from District of Columbia to Denver Intl
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($11 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from District of Columbia to Denver Intl.
Search Deals
Price to beat on a one-way flight from District of Columbia to Denver Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia to Denver 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 Denver that are best for you.

Fly from

District of Columbia

Fly to

Denver

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.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.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

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Tue 1/6

9:05 am-11:15 am

Nonstop4h 10m

Denver Intl

Sat 1/10

5:00 pm-10:10 pm

Nonstop3h 10m

$237

Washington, D.C.Denver

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

Sat 1/10

12:00 pm-4:52 pm

1 stop6h 52m

Denver Intl

Tue 1/13

6:00 am-2:33 pm

1 stop6h 33m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 43 results
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Best time to book a flight from District of Columbia to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver 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 Denver

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

Currently, January is the cheapest month in which you can book a flight from District of Columbia to Denver (average of $85). Flying from District of Columbia to Denver 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 DEN?

Find hourly flight availability from District of Columbia to Denver. 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.

When flying from District of Columbia to Denver, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 13% versus a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from District of Columbia to Denver. Price data was last updated on December 13, 2025.

Travelers seeking maximum savings on their District of Columbia to Denver flight should consider departing on Wednesday mornings 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 Denver

Explore weekly flight availability from District of Columbia to Denver. 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 DEN 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).

Related info for your journey

Find useful and relevant information for your journey from District of Columbia to Denver. 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 Denver from District of Columbia?

    For a flight from District of Columbia to Denver, you will be flying into Denver Intl. Denver Intl (DEN) is just 18.5 mi from the center of the city.

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

    A quick flight from District of Columbia to Denver can take about 4h. Frontier provides one of the quickest options available for as low as $217. The distance between District of Columbia and Denver is about 1448 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from District of Columbia to Denver 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 Denver for a low price.

  • What are the most reliable airlines from District of Columbia to Denver?

    Consider Avianca (87%), Copa Airlines (84%) or Ethiopian Air (84%) when booking your flight. These represent the most reliable airlines when flying from District of Columbia to Denver.

  • What are the cheapest flights from District of Columbia to Denver?

    The cheapest flight price from District of Columbia to Denver is $128. On average you can expect to pay $866. The most popular route, (Washington, D.C. Dulles Intl - Denver Intl), can usually be booked for $177.

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

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

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

    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 Denver.

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

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

    Currently, January is the cheapest month in which you can book a flight from District of Columbia to Denver (average of $85). Flying from District of Columbia to Denver 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

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Black Hawk
Thornton
Broomfield
Westminster
Winter Park
Golden
Greeley
Lone Tree
Lakewood
Cripple Creek
Silverthorne
Central City
Frisco
Wheat Ridge
Manitou Springs
Fort Morgan
Brighton
Longmont
Idaho Springs
Evergreen

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for District of Columbia to Denver

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Top 6 airlines flying from District of Columbia to Denver

Discover the top 6 airlines that operate flights from District of Columbia to Denver. 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$335FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$166Average$299FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$178Average$339FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$214Average$388FlexibilityNo cancel feeOn-time69%

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