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Cheap flights from Denver to Washington, D.C. from $83

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Denver to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
4:28 pm - 9:59 pmDEN  Denver Intl-DCA Washington, D.C. Reagan-National
3h 31mnonstop
Frontier Logo
7:00 am - 9:03 amDCA  Washington, D.C. Reagan-National-DEN Denver Intl
4h 03mnonstop
$225Frontier
Fri, Sep 18 - Tue, Sep 22
Frontier Logo
7:10 pm - 12:21 amDEN  Denver Intl-IAD Washington, D.C. Dulles Intl
27h 11m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
7:50 am - 9:39 pmIAD  Washington, D.C. Dulles Intl-DEN Denver Intl
15h 49m2 stops Atlanta Hartsfield-Jackson Lambert-St Louis
$225Frontier
Wed, Oct 7 - Mon, Oct 12
Multiple Airlines Logo
7:34 pm - 12:07 pmDEN  Denver Intl-IAD Washington, D.C. Dulles Intl
14h 33m1 stop Valparaiso Destin-Ft Walton Beach
Multiple Airlines Logo
6:00 am - 12:18 pmIAD  Washington, D.C. Dulles Intl-DEN Denver Intl
8h 18m1 stop Las Vegas Harry Reid Intl
$238Multiple Airlines
Sun, Oct 18 - Fri, Oct 23
Multiple Airlines Logo
6:40 am - 5:56 pmDEN  Denver Intl-IAD Washington, D.C. Dulles Intl
9h 16m2 stops Orlando Blountville Tri Cities TN/VA
Multiple Airlines Logo
9:04 pm - 8:04 amIAD  Washington, D.C. Dulles Intl-DEN Denver Intl
13h 00m1 stop Atlanta Hartsfield-Jackson
$254Multiple Airlines
Mon, Sep 14 - Mon, Sep 14
Delta Logo
6:00 am - 2:57 pmDEN  Denver Intl-DCA Washington, D.C. Reagan-National
6h 57m1 stop Atlanta Hartsfield-Jackson
Delta Logo
11:00 am - 4:23 pmDCA  Washington, D.C. Reagan-National-DEN Denver Intl
7h 23m1 stop New York LaGuardia
$255Delta
Tue, Oct 6 - Thu, Oct 22
Delta Logo
12:59 am - 8:35 amDEN  Denver Intl-DCA Washington, D.C. Reagan-National
5h 36m1 stop Detroit Metropolitan Wayne County
Delta Logo
6:10 am - 10:48 amDCA  Washington, D.C. Reagan-National-DEN Denver Intl
6h 38m1 stop New York John F Kennedy Intl
$255Delta
Thu, Sep 17 - Mon, Sep 21
American Airlines Logo
8:00 am - 4:27 pmDEN  Denver Intl-DCA Washington, D.C. Reagan-National
6h 27m1 stop Chicago O'Hare Intl
American Airlines Logo
6:23 pm - 12:26 amDCA  Washington, D.C. Reagan-National-DEN Denver Intl
8h 03m1 stop Chicago O'Hare Intl
$295American Airlines
Fri, Oct 30 - Sun, Nov 1
American Airlines Logo
8:18 am - 4:24 pmDEN  Denver Intl-DCA Washington, D.C. Reagan-National
6h 06m1 stop Chicago O'Hare Intl
American Airlines Logo
5:18 pm - 10:24 pmDCA  Washington, D.C. Reagan-National-DEN Denver Intl
7h 06m1 stop Philadelphia
$295American Airlines
Thu, Sep 17 - Mon, Sep 21
Southwest Logo
6:45 pm - 12:05 amDEN  Denver Intl-BWI Baltimore/Washington
3h 20mnonstop
Southwest Logo
10:00 pm - 11:55 pmBWI  Baltimore/Washington-DEN Denver Intl
3h 55mnonstop
$297Southwest
Mon, Oct 5 - Mon, Oct 12
Southwest Logo
12:30 am - 5:45 amDEN  Denver Intl-BWI Baltimore/Washington
3h 15mnonstop
Southwest Logo
6:25 am - 8:20 amBWI  Baltimore/Washington-DEN Denver Intl
3h 55mnonstop
$297Southwest
Sun, Oct 25 - Wed, Oct 28

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Frontier flights from Denver to Washington, D.C.

Our best Frontier deals on Denver to Washington, D.C. flight tickets
Frontier
Sep 21
DEN9:19 pmDenver Intl
16h 15m
1 stop
IAD3:34 pmWashington, D.C. Dulles Intl
Oct 8
IAD7:36 amWashington, D.C. Dulles Intl
15h 55m
1 stop
DEN9:31 pmDenver Intl
$225
Frontier
Sep 18
DEN9:19 pmDenver Intl
12h 14m
1 stop
IAD11:33 amWashington, D.C. Dulles Intl
Sep 22
IAD4:36 pmWashington, D.C. Dulles Intl
7h 13m
1 stop
DEN9:49 pmDenver Intl
$226
Frontier
Oct 5
DEN6:38 pmDenver Intl
9h 42m
1 stop
IAD6:20 amWashington, D.C. Dulles Intl
Oct 12
IAD9:06 pmWashington, D.C. Dulles Intl
13h 00m
1 stop
DEN8:06 amDenver Intl
$227

Delta flights from Denver to Washington, D.C.

Our best Delta deals on Denver to Washington, D.C. flight tickets
Delta
Sep 5
DEN4:33 pmDenver Intl
6h 01m
1 stop
IAD12:34 amWashington, D.C. Dulles Intl
Sep 7
IAD7:00 amWashington, D.C. Dulles Intl
7h 09m
1 stop
DEN12:09 pmDenver Intl
$255
Delta
Aug 28
DEN1:15 pmDenver Intl
5h 40m
1 stop
IAD8:55 pmWashington, D.C. Dulles Intl
Aug 31
IAD6:00 pmWashington, D.C. Dulles Intl
7h 34m
1 stop
DEN11:34 pmDenver Intl
$295
Delta
Aug 29
DEN6:00 amDenver Intl
5h 35m
1 stop
IAD1:35 pmWashington, D.C. Dulles Intl
Aug 29
IAD5:47 pmWashington, D.C. Dulles Intl
7h 18m
1 stop
DEN11:05 pmDenver Intl
$335

momondo Fare Finder

 
Use the filters below to find and compare flights from Denver to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverWashington, D.C.

DEN Denver Intl - DCA Washington, D.C. Reagan-National

DENDCA

Denver Intl

Fri 9/18

4:28 pm-9:59 pm

Nonstop3h 31m

Washington, D.C. Reagan-National

Tue 9/22

7:00 am-9:03 am

Nonstop4h 03m

$225

DenverWashington, D.C.

DEN Denver Intl - IAD Washington, D.C. Dulles Intl

DENIAD

Denver Intl

Wed 10/7

7:10 pm-12:21 am

1 stop27h 11m

Washington, D.C. Dulles Intl

Mon 10/12

7:50 am-9:39 pm

2 stops15h 49m

$225

DenverWashington, D.C.

DEN Denver Intl - IAD Washington, D.C. Dulles Intl

DENIAD

Denver Intl

Sun 10/18

7:34 pm-12:07 pm

1 stop14h 33m

Washington, D.C. Dulles Intl

Fri 10/23

6:00 am-12:18 pm

1 stop8h 18m

$238

DenverWashington, D.C.

DEN Denver Intl - IAD Washington, D.C. Dulles Intl

DENIAD

Denver Intl

Mon 9/14

6:40 am-5:56 pm

2 stops9h 16m

Washington, D.C. Dulles Intl

Mon 9/14

9:04 pm-8:04 am

1 stop13h 00m

$254

DenverWashington, D.C.

DEN Denver Intl - DCA Washington, D.C. Reagan-National

DENDCA

Denver Intl

Tue 10/6

6:00 am-2:57 pm

1 stop6h 57m

Washington, D.C. Reagan-National

Thu 10/22

11:00 am-4:23 pm

1 stop7h 23m

$255

DenverWashington, D.C.

DEN Denver Intl - DCA Washington, D.C. Reagan-National

DENDCA

Denver Intl

Thu 9/17

12:59 am-8:35 am

1 stop5h 36m

Washington, D.C. Reagan-National

Mon 9/21

6:10 am-10:48 am

1 stop6h 38m

$255

DenverWashington, D.C.

DEN Denver Intl - DCA Washington, D.C. Reagan-National

DENDCA

Denver Intl

Fri 10/30

8:00 am-4:27 pm

1 stop6h 27m

Washington, D.C. Reagan-National

Sun 11/1

6:23 pm-12:26 am

1 stop8h 03m

$295

DenverWashington, D.C.

DEN Denver Intl - DCA Washington, D.C. Reagan-National

DENDCA

Denver Intl

Thu 9/17

8:18 am-4:24 pm

1 stop6h 06m

Washington, D.C. Reagan-National

Mon 9/21

5:18 pm-10:24 pm

1 stop7h 06m

$295

DenverBaltimore

DEN Denver Intl - BWI Baltimore/Washington

DENBWI

Denver Intl

Mon 10/5

6:45 pm-12:05 am

Nonstop3h 20m

Baltimore/Washington

Mon 10/12

10:00 pm-11:55 pm

Nonstop3h 55m

$297
Quickest round-trip

DenverBaltimore

DEN Denver Intl - BWI Baltimore/Washington

DENBWI

Denver Intl

Sun 10/25

12:30 am-5:45 am

Nonstop3h 15m

Baltimore/Washington

Wed 10/28

6:25 am-8:20 am

Nonstop3h 55m

$297

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Denver to Washington, D.C.

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Denver and Washington, D.C.?

Prices are currently low for flights on this route.

Typical prices usually range from $238 to $414.
The lowest price recently found on this route was $225.

What is the cheapest month to fly to Washington, D.C.?

The month of February is, on average, the cheapest month to fly to Washington, D.C. from Denver, with most prices found around $238. If you’re not able to fly to Washington, D.C. in February, then January is your next best option. Flight prices from Denver to Washington, D.C. during January average around $253.

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from Denver is on a Thursday. momondo users have found tickets for Thursday departures for as low as $362. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Denver to Washington, D.C. for around $547.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

In the morning is the cheapest time of day to fly from Denver to Washington, D.C. when you can find flight prices for as low as $398. Flying to Washington, D.C. in the morning is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around $776. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Denver Intl to Washington, D.C. flight route?

Fly from Denver Intl to Washington, D.C. Reagan-National for the best Denver Intl - Washington, D.C. flight prices

How far in advance should I book a flight from Denver to Washington, D.C.?

You are more likely to see cheaper flights to Washington, D.C. from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $416 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Denver for as low as $351 on momondo.

What cabin class options are available on Denver to Washington, D.C. flights?

There are 4 cabin classes available to choose from on Denver to Washington, D.C. flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Denver to Washington, D.C. flights?

No. A direct flight is the cheapest option for a flight between Denver to Washington, D.C..

How have Denver to Washington, D.C. flight prices changed over time?

As of August 2026, prices for Denver to Washington, D.C. flights are approximately 88% more expensive when compared to flights at the same time last year.

When to book flights from Denver to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Denver to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Denver to Washington, D.C. (DEN to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to Washington, D.C.

Best Price Found

$83

Fastest flight time

3h 10m

Direct flights

Every day

Airports in Washington, D.C.

2 airports
The best one-way flight to Washington, D.C. from Denver in the past 72 hours is $83. The best round-trip flight deal from Denver to Washington, D.C. found on momondo in the last 72 hours is $225.
The fastest flight from Denver to Washington, D.C. takes 3h 10m
Direct flights go from Denver to Washington, D.C. every day.
There are 2 airports in Washington, D.C.. From Denver there are direct flights to Washington, D.C. Reagan-National (DCA), Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD).
Search flight deals

Frequently asked questions about flying from Denver to Washington, D.C.

  • How far is Denver Intl to Washington, D.C. by plane?

    Denver Intl and Washington, D.C. are 1487.9 mi apart from one another. By plane, this route typically takes 3h 10m.

  • When did momondo last update prices for flights from Denver Intl Airport to Washington, D.C.?

    Prices for flights from Denver Intl Airport to Washington, D.C. are refreshed on a daily basis.

  • How many operators does momondo search for flights from Denver Intl Airport to Washington, D.C.?

  • How old do you have to be to fly from Denver Intl Airport to Washington, D.C.?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Denver Intl Airport to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Denver to Washington, D.C.?

  • What is the most popular airline from Denver to Washington, D.C.?

Best airlines flying from Denver to Washington, D.C.

Compare and see reviews for airlines that fly from Denver to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $104Free CancellationRating
5.6
2,658 reviews
Search Frontier flights
DeltaPriceFrom $108Free CancellationRating
7.8
8,519 reviews
Search Delta flights
American AirlinesPriceFrom $186Free CancellationRating
7.1
11,989 reviews
Search American Airlines flights
SouthwestPriceFrom $188Free CancellationRating
8.0
4,214 reviews
Search Southwest flights
United AirlinesPriceFrom $197Free CancellationRating
7.4
10,109 reviews
Search United Airlines flights
JetBluePriceFrom $280Free CancellationRating
7.1
3,039 reviews
Search JetBlue flights

  • United Airlines Flights From Denver to Washington, D.C.

    United Airlines flight deals from Denver to Washington, D.C. start from $197 round-trip. Over the 50 United Airlines flights for this route in a normal week, average airfare is usually $503 round-trip - but some users have found much cheaper deals with momondo.

  • Frontier Flights From Denver to Washington, D.C.

    The best Frontier deal for Denver to Washington, D.C. flight tickets found on momondo in the last 72 hours was $104, round-trip. It should be noted that an average Frontier flight deal for this route in this time was higher, at $289 round-trip. Frontier operates 19 flights out of Denver into Washington, D.C. in an average week, so prices vary by time and availability. 2,657 Frontier reviews by users on momondo have scored the airline at 5.6/10.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Arlington
Gettysburg
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Linthicum Heights
Rockville
Silver Spring
Towson
Springfield
Colonial Beach
Fairfax
Edgewood
Tysons
College Park
Glen Burnie

Why use momondo?

Why should I use momondo to find a flight deal from Denver to Washington, D.C.?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Denver to Washington, D.C.. momondo saves you time and could save you money on your trip.

Can I find flights from Denver to Washington, D.C. with flexible booking policies on momondo?

Flights from Denver to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Denver to Washington, D.C.?

Once you have performed a search for Denver to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Denver to Washington, D.C. right now. Can momondo alert me if prices change?

Price alerts on flights to Washington, D.C. from Denver are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Washington, D.C. trip

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport