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Cheap flights from Denver to Washington, D.C. from $87

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
12:07 pm - 12:21 amDEN  Denver Intl-IAD Washington, D.C. Dulles Intl
10h 14m2 stops Tampa Atlanta Hartsfield-Jackson
Frontier Logo
7:50 am - 10:11 pmIAD  Washington, D.C. Dulles Intl-DEN Denver Intl
16h 21m2 stops Atlanta Hartsfield-Jackson Tampa
$236Frontier
Sat, Oct 17 - Sat, Oct 24
Frontier Logo
10:18 am - 8:12 pmDEN  Denver Intl-IAD Washington, D.C. Dulles Intl
7h 54m1 stop Dallas/Fort Worth
Frontier Logo
3:08 pm - 8:13 amIAD  Washington, D.C. Dulles Intl-DEN Denver Intl
19h 05m1 stop Tampa
$239Frontier
Tue, Dec 1 - Thu, Dec 10
Southwest Logo
5:50 am - 1:55 pmDEN  Denver Intl-DCA Washington, D.C. Reagan-National
6h 05m1 stop Nashville Intl
Southwest Logo
4:00 pm - 7:15 pmDCA  Washington, D.C. Reagan-National-DEN Denver Intl
5h 15m1 stop Omaha Eppley Airfield
$243Southwest
Sat, Nov 7 - Wed, Nov 11
Southwest Logo
7:05 am - 2:55 pmDEN  Denver Intl-DCA Washington, D.C. Reagan-National
5h 50m1 stop Chicago Midway
Southwest Logo
4:00 pm - 7:15 pmDCA  Washington, D.C. Reagan-National-DEN Denver Intl
5h 15m1 stop Omaha Eppley Airfield
$243Southwest
Wed, Nov 18 - Wed, Nov 18
United Airlines Logo
9:35 am - 2:55 pmDEN  Denver Intl-DCA Washington, D.C. Reagan-National
3h 20mnonstop
United Airlines Logo
9:05 am - 3:48 pmDCA  Washington, D.C. Reagan-National-DEN Denver Intl
8h 43m1 stop Newark
$245United Airlines
Fri, Oct 30 - Tue, Nov 3
Multiple Airlines Logo
7:34 pm - 3:29 pmDEN  Denver Intl-IAD Washington, D.C. Dulles Intl
17h 55m1 stop Valparaiso Destin-Ft Walton Beach
Multiple Airlines Logo
9:06 pm - 12:12 pmIAD  Washington, D.C. Dulles Intl-DEN Denver Intl
17h 06m2 stops Atlanta Hartsfield-Jackson Houston George Bush Intcntl
$255Multiple Airlines
Thu, Oct 15 - Mon, Oct 19
United Airlines Logo
2:10 pm - 7:40 pmDEN  Denver Intl-BWI Baltimore/Washington
3h 30mnonstop
United Airlines Logo
5:31 pm - 11:31 pmBWI  Baltimore/Washington-DEN Denver Intl
8h 00m1 stop Chicago O'Hare Intl
$257United Airlines
Tue, Oct 20 - Tue, Oct 27
JetBlue Logo
11:59 pm - 10:03 amDEN  Denver Intl-DCA Washington, D.C. Reagan-National
8h 04m1 stop Boston Logan Intl
JetBlue Logo
6:15 am - 12:11 pmDCA  Washington, D.C. Reagan-National-DEN Denver Intl
7h 56m1 stop New York John F Kennedy Intl
$263JetBlue
Thu, Nov 19 - Tue, Dec 1
Multiple Airlines Logo
6:42 pm - 5:12 pmDEN  Denver Intl-IAD Washington, D.C. Dulles Intl
20h 30m3 stops Las Vegas Harry Reid Intl Houston George Bush Intcntl Atlanta Hartsfield-Jackson
Multiple Airlines Logo
9:06 pm - 6:59 pmIAD  Washington, D.C. Dulles Intl-DEN Denver Intl
23h 53m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul
$263Multiple Airlines
Tue, Oct 27 - Wed, Nov 4
JetBlue Logo
11:59 pm - 10:03 amDEN  Denver Intl-DCA Washington, D.C. Reagan-National
8h 04m1 stop Boston Logan Intl
JetBlue Logo
6:15 am - 12:11 pmDCA  Washington, D.C. Reagan-National-DEN Denver Intl
7h 56m1 stop New York John F Kennedy Intl
$270JetBlue
Thu, Nov 19 - Tue, Dec 1

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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
Oct 17
DEN12:07 pmDenver Intl
10h 14m
2 stops
IAD12:21 amWashington, D.C. Dulles Intl
Oct 24
IAD7:50 amWashington, D.C. Dulles Intl
16h 21m
2 stops
DEN10:11 pmDenver Intl
$236
Frontier
Dec 1
DEN10:18 amDenver Intl
7h 54m
1 stop
IAD8:12 pmWashington, D.C. Dulles Intl
Dec 10
IAD3:08 pmWashington, D.C. Dulles Intl
19h 05m
1 stop
DEN8:13 amDenver Intl
$239
Frontier
Oct 13
DEN7:31 amDenver Intl
20h 49m
1 stop
IAD6:20 amWashington, D.C. Dulles Intl
Oct 16
IAD9:06 pmWashington, D.C. Dulles Intl
13h 00m
1 stop
DEN8:06 amDenver Intl
$240

United Airlines flights from Denver to Washington, D.C.

Our best United Airlines deals on Denver to Washington, D.C. flight tickets
United Airlines
Oct 30
DEN9:35 amDenver Intl
3h 20m
DCA2:55 pmWashington, D.C. Reagan-National
Nov 3
DCA9:05 amWashington, D.C. Reagan-National
8h 43m
1 stop
DEN3:48 pmDenver Intl
$245
United Airlines
Oct 17
DEN7:40 amDenver Intl
6h 47m
1 stop
BWI4:27 pmBaltimore/Washington
Oct 24
BWI12:10 pmBaltimore/Washington
6h 12m
1 stop
DEN4:22 pmDenver Intl
$267

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 - IAD Washington, D.C. Dulles Intl

DENIAD

Denver Intl

Sat 10/17

12:07 pm-12:21 am

2 stops10h 14m

Washington, D.C. Dulles Intl

Sat 10/24

7:50 am-10:11 pm

2 stops16h 21m

$236

DenverWashington, D.C.

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

DENIAD

Denver Intl

Tue 12/1

10:18 am-8:12 pm

1 stop7h 54m

Washington, D.C. Dulles Intl

Thu 12/10

3:08 pm-8:13 am

1 stop19h 05m

$239

DenverWashington, D.C.

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

DENDCA

Denver Intl

Sat 11/7

5:50 am-1:55 pm

1 stop6h 05m

Washington, D.C. Reagan-National

Wed 11/11

4:00 pm-7:15 pm

1 stop5h 15m

$243
Quickest round-trip

DenverWashington, D.C.

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

DENDCA

Denver Intl

Wed 11/18

7:05 am-2:55 pm

1 stop5h 50m

Washington, D.C. Reagan-National

Wed 11/18

4:00 pm-7:15 pm

1 stop5h 15m

$243

DenverWashington, D.C.

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

DENDCA

Denver Intl

Fri 10/30

9:35 am-2:55 pm

Nonstop3h 20m

Washington, D.C. Reagan-National

Tue 11/3

9:05 am-3:48 pm

1 stop8h 43m

$245

DenverWashington, D.C.

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

DENIAD

Denver Intl

Thu 10/15

7:34 pm-3:29 pm

1 stop17h 55m

Washington, D.C. Dulles Intl

Mon 10/19

9:06 pm-12:12 pm

2 stops17h 06m

$255

DenverBaltimore

DEN Denver Intl - BWI Baltimore/Washington

DENBWI

Denver Intl

Tue 10/20

2:10 pm-7:40 pm

Nonstop3h 30m

Baltimore/Washington

Tue 10/27

5:31 pm-11:31 pm

1 stop8h 00m

$257

DenverWashington, D.C.

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

DENDCA

Denver Intl

Thu 11/19

11:59 pm-10:03 am

1 stop8h 04m

Washington, D.C. Reagan-National

Tue 12/1

6:15 am-12:11 pm

1 stop7h 56m

$263

DenverWashington, D.C.

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

DENIAD

Denver Intl

Tue 10/27

6:42 pm-5:12 pm

3 stops20h 30m

Washington, D.C. Dulles Intl

Wed 11/4

9:06 pm-6:59 pm

2 stops23h 53m

$263

DenverWashington, D.C.

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

DENDCA

Denver Intl

Thu 11/19

11:59 pm-10:03 am

1 stop8h 04m

Washington, D.C. Reagan-National

Tue 12/1

6:15 am-12:11 pm

1 stop7h 56m

$270

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 typical for flights on this route.

Typical prices usually range from $231 to $426.
The lowest price recently found on this route was $236.

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 $254.

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 $374. 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 $588.

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 $412. 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 $798. 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 $437 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 $357 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 September 2026, prices for Denver to Washington, D.C. flights are approximately 10% 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

$87

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 $87. The best round-trip flight deal from Denver to Washington, D.C. found on momondo in the last 72 hours is $236.
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
DeltaPriceFrom $108Free CancellationRating
7.8
8,591 reviews
Search Delta flights
FrontierPriceFrom $108Free CancellationRating
5.6
2,588 reviews
Search Frontier flights
American AirlinesPriceFrom $186Free CancellationRating
7.0
12,073 reviews
Search American Airlines flights
SouthwestPriceFrom $197Free CancellationRating
8.0
4,192 reviews
Search Southwest flights
United AirlinesPriceFrom $214Free CancellationRating
7.4
10,226 reviews
Search United Airlines flights
JetBluePriceFrom $280Free CancellationRating
7.1
3,033 reviews
Search JetBlue flights

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

    Southwest flight deals from Denver to Washington, D.C. start from $197 round-trip. Over the 1 Southwest flight for this route in a normal week, average airfare is usually $427 round-trip - but some users have found much cheaper deals with momondo.

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

    The best United Airlines deal for Denver to Washington, D.C. flight tickets found on momondo in the last 72 hours was $214, round-trip. It should be noted that an average United Airlines flight deal for this route in this time was higher, at $520 round-trip. United Airlines operates 55 flights out of Denver into Washington, D.C. in an average week, so prices vary by time and availability. 10,224 United Airlines reviews by users on momondo have scored the airline at 7.4/10.

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
Fredericksburg
Waldorf
Laurel
Woodbridge
Linthicum Heights
Gaithersburg
Rockville
Silver Spring
Towson
Fairfax
Springfield
Glen Burnie
Edgewood
Colonial Beach
College Park
Bethesda

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