HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Denver

$91+ 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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — DEN
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
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

Keep the following information in mind while searching for District of Columbia to Denver flight deals. Data was last updated August 1, 2025.

Round-trip from

$165
(Frontier)

One-way from

$92
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$240

Good round-trip deal

$128 or less

Good one-way deal

$124 or less
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. 2% potential increase in price ($7 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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

Find 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 August 1, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 8/1. 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 9/37:00 amDCA - DEN
Nonstop3h 56mFrontier
Wed 9/106:45 amDEN - DCA
Nonstop3h 25mFrontier
Deal found 8/1$164
This Southwest deal was found by Cheapflights users on 7/31. 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 8/307:00 amIAD - DEN
Nonstop3h 40mSouthwest
Sat 9/69:40 amDEN - IAD
Nonstop3h 20mSouthwest
Deal found 7/31$177
This United Airlines deal was found by Cheapflights users on 7/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/85:47 pmIAD - DEN
Nonstop3h 51mUnited Airlines
Wed 9/1011:59 pmDEN - IAD
Nonstop3h 23mUnited Airlines
Deal found 7/31$188
This American Airlines deal was found by Cheapflights users on 7/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/256:11 amIAD - DEN
1 stop7h 35mAmerican Airlines
Sat 10/252:48 pmDEN - IAD
1 stop6h 03mAmerican Airlines
Deal found 7/31$191
This American Airlines deal was found by Cheapflights users on 8/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/276:00 amDCA - DEN
1 stop5h 53mAmerican Airlines
Sat 9/2712:25 pmDEN - DCA
1 stop7h 35mAmerican Airlines
Deal found 8/1$191
This Southwest deal was found by Cheapflights users on 7/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3011:40 amDCA - DEN
1 stop5h 40mSouthwest
Thu 11/611:30 amDEN - DCA
1 stop4h 45mSouthwest
Deal found 7/30$214
This Cheapflightsfares deal was found by Cheapflights users on 8/1. 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.
Sat 8/164:07 pmIAD - DEN
1 stop7h 10mFrontier
Sat 8/2311:15 amDEN - IAD
1 stop7h 33mFrontier
Deal found 8/1$215
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/247:05 amIAD - DEN
1 stop6h 55mDelta
Mon 9/2912:45 amDEN - IAD
1 stop6h 14mDelta
Deal found 7/31$237

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 August 1, 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

Wed 9/3

7:00 am-8:56 am

Nonstop3h 56m

Denver Intl

Wed 9/10

6:45 am-12:10 pm

Nonstop3h 25m

$164

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Sat 8/30

7:00 am-8:40 am

Nonstop3h 40m

Denver Intl

Sat 9/6

9:40 am-3:00 pm

Nonstop3h 20m

$177

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Mon 9/8

5:47 pm-7:38 pm

Nonstop3h 51m

Denver Intl

Wed 9/10

11:59 pm-5:22 am

Nonstop3h 23m

$188

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Sat 10/25

6:11 am-11:46 am

1 stop7h 35m

Denver Intl

Sat 10/25

2:48 pm-10:51 pm

1 stop6h 03m

$191

Washington, D.C.Denver

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

Sat 9/27

6:00 am-9:53 am

1 stop5h 53m

Denver Intl

Sat 9/27

12:25 pm-10:00 pm

1 stop7h 35m

$191

Washington, D.C.Denver

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

Thu 10/30

11:40 am-3:20 pm

1 stop5h 40m

Denver Intl

Thu 11/6

11:30 am-6:15 pm

1 stop4h 45m

$214

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Sat 8/16

4:07 pm-9:17 pm

1 stop7h 10m

Denver Intl

Sat 8/23

11:15 am-8:48 pm

1 stop7h 33m

$215

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Wed 9/24

7:05 pm-11:08 pm

1 stop6h 03m

Denver Intl

Tue 10/21

6:00 am-2:38 pm

1 stop6h 38m

$237

Washington, D.C.Denver

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

Sat 10/18

7:00 am-9:08 am

Nonstop4h 08m

$91

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Tue 10/21

10:09 pm-11:57 pm

Nonstop3h 48m

$94

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/1

Showing 1-10 of 22 results
1
2
3

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, October is the cheapest month in which you can book a flight from District of Columbia to Denver (average of $197). Flying from District of Columbia to Denver 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 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 August 1, 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 Denver as you normally would.

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 August 1, 2025.

The most flights from USDC to DEN are scheduled on a Friday (13 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated August 1, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from District of Columbia to Denver by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,983 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,613 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,904 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 popular is this District of Columbia to Denver flight route?

    This flight path from District of Columbia to Denver Intl was viewed by 118 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • 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 $92. However, be on the lookout for offers from United Airlines and American Airlines, 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 United Airlines (86%), Southwest (56%) or Frontier (31%) 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 $96. On average you can expect to pay $827. The most popular route, (Washington, D.C. Reagan-National - Denver Intl), can usually be booked for $98.

  • 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, October is the cheapest month in which you can book a flight from District of Columbia to Denver (average of $197). Flying from District of Columbia to Denver 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.

See more FAQs

Traveling to a place near Denver?

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

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
LaGuardia to Denver flights
O'Hare Intl to Denver flights
John F Kennedy Intl to Denver flights
Baltimore to Denver flights
Newark to Denver flights
Atlanta to Denver flights
Hobby to Denver flights
Seattle to Denver flights
Philadelphia to Denver flights
San Francisco to Denver flights
Los Angeles to Denver flights
Reagan-National to Denver flights
Boston to Denver flights
George Bush Intcntl to Denver flights
Dulles Intl to Denver flights
Minneapolis to Denver flights
Austin to Denver flights
Raleigh to Denver flights
Ontario to Denver flights
Detroit to Denver flights
Orlando to Denver flights
Cincinnati to Denver flights
Fort Lauderdale to Denver flights
Miami to Denver flights
Charlotte to Denver flights
Tampa to Denver flights
San Jose to Denver flights
Santa Ana to Denver flights
Sky Harbor Intl to Denver flights
Love Field to Denver flights
Madison to Denver flights
Indianapolis to Denver flights
Midway to Denver flights
Hartford to Denver flights
Columbus to Denver flights
Nashville to Denver flights
Grand Rapids to Denver flights
San Antonio to Denver flights
Las Vegas to Denver flights
Kansas City to Denver flights
Portland to Denver flights
St. Louis to Denver flights
Milwaukee to Denver flights
Cleveland to Denver flights
Sacramento to Denver flights
San Diego to Denver flights
Richmond to Denver flights
Buffalo to Denver flights
Pittsburgh to Denver flights

Top 7 airlines flying from District of Columbia to Denver

Discover the top 7 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 August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$89Average$235FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$128Average$321FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$155Average$275FlexibilityNo cancel feeOn-time83%
American AirlinesCheapest$166Average$312FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$190Average$341FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$193Average$379FlexibilityNo cancel feeOn-time69%
DeltaCheapest$216Average$325FlexibilityNo 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.