HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Denver

$168+ 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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — DEN
Jul 21 — Jul 281
Tue 7/21
Tue 7/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from District of Columbia to Denver with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 21, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/78:33 pm
IAD
-
DEN
1 stop14h 30m
Frontier
Sat 7/116:30 am
DEN
-
IAD
1 stop8h 04m
Frontier
Deal found 6/16$276
This Super.com deal was found by Cheapflights users on 6/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/105:00 pm
DCA
-
DEN
1 stop7h 41m
JetBlue
Mon 7/1311:37 pm
DEN
-
DCA
1 stop8h 33m
JetBlue
Deal found 6/16$279
This Priceline deal was found by Cheapflights users on 6/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:30 am
IAD
-
DEN
1 stop8h 29m
Frontier
Fri 9/411:49 pm
DEN
-
IAD
1 stop11h 04m
Frontier
Deal found 6/16$280
This Frontier deal was found by Cheapflights users on 6/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/141:32 pm
IAD
-
DEN
1 stop11h 28m
Frontier
Mon 7/2010:29 pm
DEN
-
IAD
1 stop7h 51m
Frontier
Deal found 6/16$281
This Expedia deal was found by Cheapflights users on 6/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/301:38 pm
IAD
-
DEN
1 stop11h 26m
Frontier
Tue 7/76:30 am
DEN
-
IAD
1 stop8h 10m
Frontier
Deal found 6/16$282
This Frontier deal was found by Cheapflights users on 6/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:50 am
IAD
-
DEN
1 stop10h 10m
Frontier
Sun 8/166:30 am
DEN
-
IAD
1 stop8h 10m
Frontier
Deal found 6/16$283
This Expedia deal was found by Cheapflights users on 6/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:00 pm
DCA
-
DEN
1 stop7h 42m
JetBlue
Tue 9/81:59 pm
DEN
-
DCA
1 stop7h 00m
JetBlue
Deal found 6/16$283
This Expedia deal was found by Cheapflights users on 6/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:27 pm
IAD
-
DEN
1 stop13h 04m
Frontier
Mon 9/711:42 pm
DEN
-
IAD
1 stop8h 34m
Frontier
Deal found 6/16$284
This CheapOair deal was found by Cheapflights users on 6/16. 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.
Thu 8/272:00 pm
DCA
-
DEN
1 stop10h 42m
Multiple Airlines
Tue 9/111:30 am
DEN
-
DCA
Nonstop3h 27m
Multiple Airlines
Deal found 6/16$284
This Expedia deal was found by Cheapflights users on 6/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/101:59 pm
DCA
-
DEN
Nonstop3h 54m
Multiple Airlines
Mon 7/1311:37 pm
DEN
-
DCA
1 stop8h 33m
Multiple Airlines
Deal found 6/16$285
This Expedia deal was found by Cheapflights users on 6/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/137:49 am
IAD
-
DEN
1 stop8h 11m
Frontier
Wed 7/1510:29 pm
DEN
-
IAD
1 stop7h 51m
Frontier
Deal found 6/16$286
This CheapOair deal was found by Cheapflights users on 6/16. 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.
Sat 8/11:21 pm
IAD
-
DEN
1 stop20h 12m
Frontier
Sat 8/86:30 am
DEN
-
IAD
1 stop8h 04m
Frontier
Deal found 6/16$287

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 June 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$276
(Kiwi.com)

One-way from

$168
(Trip.com)

Popular in

June

Cheapest in

January

Average price

$408

Good round-trip deal

$360 or less

Good one-way deal

$202 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. 15% potential increase in price ($59 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
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 June 21, 2026.
Use the filters below to find and compare flights from District of Columbia to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Denver

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

Wed 8/12

5:00 pm-10:42 pm

1 stop7h 42m

Denver Intl

Fri 8/14

11:37 pm-12:00 pm

1 stop10h 23m

$321

Washington, D.C.Denver

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

Wed 8/12

2:00 pm-10:42 pm

1 stop10h 42m

Denver Intl

Tue 8/18

1:59 pm-10:59 pm

1 stop7h 00m

$324

Washington, D.C.Denver

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

Tue 8/11

2:00 pm-10:42 pm

1 stop10h 42m

Denver Intl

Wed 8/12

11:37 pm-12:00 pm

1 stop10h 23m

$329

Washington, D.C.Denver

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

Wed 7/8

6:21 am-1:11 pm

1 stop8h 50m

Denver Intl

Mon 7/13

9:54 am-9:50 pm

1 stop9h 56m

$354

Washington, D.C.Denver

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

Mon 8/3

6:20 am-1:11 pm

1 stop8h 51m

Denver Intl

Fri 8/7

1:59 pm-10:59 pm

1 stop7h 00m

$374

Washington, D.C.Denver

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

Sat 7/11

2:16 pm-10:41 pm

1 stop10h 25m

Denver Intl

Wed 7/15

11:37 pm-10:10 am

1 stop8h 33m

$417

Washington, D.C.Denver

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

Tue 9/15

4:00 pm-8:59 pm

1 stop6h 59m

Denver Intl

Mon 9/28

7:10 am-4:12 pm

1 stop7h 02m

$418

Washington, D.C.Denver

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

Thu 7/23

6:21 am-1:11 pm

1 stop8h 50m

Denver Intl

Sun 7/26

11:37 pm-10:10 am

1 stop8h 33m

$427

Washington, D.C.Denver

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

Tue 9/1

12:00 pm-5:20 pm

2 stops7h 20m

Denver Intl

Fri 9/4

4:55 pm-11:55 pm

1 stop5h 00m

$441

Washington, D.C.Denver

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

Fri 7/31

6:35 am-11:00 am

2 stops6h 25m

Denver Intl

Tue 8/4

1:55 pm-11:05 pm

2 stops7h 10m

$446

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

Showing 1-10 of 46 resultsSorted by cheapest first
1
2
3
...
5

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 $198). Flying from District of Columbia to Denver in March is currently the most expensive (average of $443). 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 June 21, 2026.

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 10% versus a flight in the morning.

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 June 21, 2026.

The most flights from USDC to DEN are scheduled on a Monday (23 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (10 on average).

How much does it cost to fly round-trip from District of Columbia to Denver?

How far ahead should I book a flight from District of Columbia to Denver?

Booking 53 days in advance of your planned departure date is, on average, the best time to get cheap flights from District of Columbia to Denver. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 June 20, 2026.

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

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 3h 50m. JetBlue provides one of the quickest options available for as low as $469. 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 $59. However, be on the lookout for offers from JetBlue 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 Ethiopian Air (93%), Avianca (87%) or Copa Airlines (86%) 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 $223. On average you can expect to pay $975. The most popular route, (Washington, D.C. Dulles Intl - Denver Intl), can usually be booked for $239.

  • 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 $198). Flying from District of Columbia to Denver in March is currently the most expensive (average of $443). 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
Thornton
Black Hawk
Centennial
Westminster
Lakewood
Broomfield
Golden
Greeley
Fort Morgan
Lone Tree
Wheat Ridge
Silverthorne
Central City
Cripple Creek
Winter Park
Manitou Springs
Frisco
Englewood
Glendale
Evergreen

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for District of Columbia to Denver

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Denver flights
Newark to Denver flights
John F Kennedy Intl to Denver flights
Seattle to Denver flights
O'Hare Intl to Denver flights
LaGuardia to Denver flights
Dulles Intl to Denver flights
Baltimore to Denver flights
Hobby to Denver flights
San Francisco to Denver flights
Los Angeles to Denver flights
Philadelphia to Denver flights
Boston to Denver flights
Ontario to Denver flights
George Bush Intcntl to Denver flights
Orlando to Denver flights
Reagan-National to Denver flights
Minneapolis to Denver flights
Detroit to Denver flights
Raleigh to Denver flights
Charlotte to Denver flights
Tampa to Denver flights
Atlanta to Denver flights
Cleveland to Denver flights
Austin to Denver flights
Sky Harbor Intl to Denver flights
Miami to Denver flights
Santa Ana to Denver flights
Indianapolis to Denver flights
Fort Lauderdale to Denver flights
Cincinnati to Denver flights
Grand Rapids to Denver flights
Nashville to Denver flights
Midway to Denver flights
Burbank to Denver flights
St. Louis to Denver flights
Hartford to Denver flights
Madison to Denver flights
San Diego to Denver flights
Columbus to Denver flights
Love Field to Denver flights
Kansas City to Denver flights
Jacksonville to Denver flights
New Orleans to Denver flights
Sacramento to Denver flights
Portland to Denver flights
Milwaukee to Denver flights
Appleton to Denver flights
Richmond to Denver flights
San Jose to Denver flights

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 June 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$82Average$256FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$113Average$364FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$166Average$389FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$177Average$363FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$218Average$456FlexibilityNo cancel feeOn-time69%
DeltaCheapest$236Average$493FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.