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Cheap flights from Denver to Washington, D.C. from R3 037

1 adult
1 adult, Economy, 0 bags

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

Cheap return flights

Enter your travel dates to find the best prices.
Delta Logo
6:30 - 17:30DEN  Denver Intl-IAD Washington, D.C. Dulles Intl
9h 00m1 stop New York John F Kennedy Intl
Delta Logo
11:05 - 17:30IAD  Washington, D.C. Dulles Intl-DEN Denver Intl
8h 25m1 stop Detroit Metropolitan Wayne County
R5 565Delta
Sat, Jan 9 - Sat, Jan 16
Delta Logo
14:36 - 23:47DEN  Denver Intl-DCA Washington, D.C. Reagan-National
7h 11m1 stop Atlanta Hartsfield-Jackson
Delta Logo
9:00 - 15:09DCA  Washington, D.C. Reagan-National-DEN Denver Intl
8h 09m1 stop Atlanta Hartsfield-Jackson
R5 565Delta
Wed, Oct 21 - Sat, Oct 24
United Airlines Logo
23:59 - 5:19DEN  Denver Intl-IAD Washington, D.C. Dulles Intl
3h 20mdirect
United Airlines Logo
8:20 - 10:29IAD  Washington, D.C. Dulles Intl-DEN Denver Intl
4h 09mdirect
R5 812United Airlines
Sat, Nov 7 - Sun, Nov 8
United Airlines Logo
12:35 - 17:55DEN  Denver Intl-IAD Washington, D.C. Dulles Intl
3h 20mdirect
United Airlines Logo
10:00 - 12:09IAD  Washington, D.C. Dulles Intl-DEN Denver Intl
4h 09mdirect
R5 894United Airlines
Thu, Nov 5 - Tue, Nov 10
Delta Logo
0:59 - 8:45DEN  Denver Intl-DCA Washington, D.C. Reagan-National
5h 46m1 stop Detroit Metropolitan Wayne County
Delta Logo
6:08 - 11:04DCA  Washington, D.C. Reagan-National-DEN Denver Intl
6h 56m1 stop New York John F Kennedy Intl
R5 894Delta
Thu, Oct 15 - Fri, Oct 23
Southwest Logo
15:15 - 22:55DEN  Denver Intl-DCA Washington, D.C. Reagan-National
5h 40m1 stop New Orleans Louis Armstrong
Southwest Logo
19:35 - 22:40DCA  Washington, D.C. Reagan-National-DEN Denver Intl
5h 05m1 stop Kansas City
R6 074Southwest
Tue, Oct 27 - Thu, Oct 29
Southwest Logo
5:50 - 14:00DEN  Denver Intl-DCA Washington, D.C. Reagan-National
6h 10m1 stop Chicago Midway
Southwest Logo
6:00 - 9:10DCA  Washington, D.C. Reagan-National-DEN Denver Intl
5h 10m1 stop Kansas City
R6 140Southwest
Mon, Oct 26 - Fri, Oct 30
United Airlines Logo
6:00 - 11:19DEN  Denver Intl-IAD Washington, D.C. Dulles Intl
3h 19mdirect
United Airlines Logo
16:10 - 18:17IAD  Washington, D.C. Dulles Intl-DEN Denver Intl
4h 07mdirect
R6 206United Airlines
Mon, Oct 26 - Mon, Nov 2
Delta Logo
16:18 - 23:26DEN  Denver Intl-IAD Washington, D.C. Dulles Intl
5h 08m1 stop Minneapolis St Paul
Delta Logo
6:05 - 9:28IAD  Washington, D.C. Dulles Intl-DEN Denver Intl
5h 23m1 stop Detroit Metropolitan Wayne County
R6 222Delta
Sat, Nov 7 - Sun, Nov 8
Delta Logo
10:41 - 20:44DEN  Denver Intl-DCA Washington, D.C. Reagan-National
8h 03m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:08 - 11:04DCA  Washington, D.C. Reagan-National-DEN Denver Intl
6h 56m1 stop New York John F Kennedy Intl
R6 222Delta
Fri, Nov 6 - Sun, Nov 8

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Delta flights from Denver to Washington, D.C.

Our best Delta deals on Denver to Washington, D.C. flight tickets
Delta
Jan 9
DEN6:30Denver Intl
9h 00m
1 stop
IAD17:30Washington, D.C. Dulles Intl
Jan 16
IAD11:05Washington, D.C. Dulles Intl
8h 25m
1 stop
DEN17:30Denver Intl
R5 565
Delta
Oct 15
DEN0:59Denver Intl
5h 46m
1 stop
DCA8:45Washington, D.C. Reagan-National
Oct 23
DCA6:08Washington, D.C. Reagan-National
6h 56m
1 stop
DEN11:04Denver Intl
R5 894
Delta
Nov 7
DEN16:18Denver Intl
5h 08m
1 stop
IAD23:26Washington, D.C. Dulles Intl
Nov 10
IAD11:37Washington, D.C. Dulles Intl
5h 37m
1 stop
DEN15:14Denver Intl
R6 222

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

Our best American Airlines deals on Denver to Washington, D.C. flight tickets
American Airlines
Oct 26
DEN15:13Denver Intl
6h 10m
1 stop
IAD23:23Washington, D.C. Dulles Intl
Oct 31
IAD13:23Washington, D.C. Dulles Intl
8h 59m
1 stop
DEN20:22Denver Intl
R6 961
American Airlines
Oct 14
DEN5:24Denver Intl
6h 54m
1 stop
IAD14:18Washington, D.C. Dulles Intl
Oct 23
IAD5:01Washington, D.C. Dulles Intl
6h 15m
1 stop
DEN9:16Denver Intl
R7 043
American Airlines
Oct 25
DEN23:59Denver Intl
6h 45m
1 stop
IAD8:44Washington, D.C. Dulles Intl
Oct 28
IAD5:01Washington, D.C. Dulles Intl
6h 15m
1 stop
DEN9:16Denver Intl
R7 223

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 return flight

DenverWashington, D.C.

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

DENIAD

Denver Intl

Sat 9/1

6:30-17:30

1 stop9h 00m

Washington, D.C. Dulles Intl

Sat 16/1

11:05-17:30

1 stop8h 25m

R5 565

DenverWashington, D.C.

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

DENDCA

Denver Intl

Wed 21/10

14:36-23:47

1 stop7h 11m

Washington, D.C. Reagan-National

Sat 24/10

9:00-15:09

1 stop8h 09m

R5 565

DenverWashington, D.C.

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

DENIAD

Denver Intl

Sat 7/11

23:59-5:19

Nonstop3h 20m

Washington, D.C. Dulles Intl

Sun 8/11

8:20-10:29

Nonstop4h 09m

R5 812

DenverWashington, D.C.

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

DENIAD

Denver Intl

Thu 5/11

12:35-17:55

Nonstop3h 20m

Washington, D.C. Dulles Intl

Tue 10/11

10:00-12:09

Nonstop4h 09m

R5 894

DenverWashington, D.C.

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

DENDCA

Denver Intl

Thu 15/10

0:59-8:45

1 stop5h 46m

Washington, D.C. Reagan-National

Fri 23/10

6:08-11:04

1 stop6h 56m

R5 894

DenverWashington, D.C.

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

DENDCA

Denver Intl

Tue 27/10

15:15-22:55

1 stop5h 40m

Washington, D.C. Reagan-National

Thu 29/10

19:35-22:40

1 stop5h 05m

R6 074

DenverWashington, D.C.

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

DENDCA

Denver Intl

Mon 26/10

5:50-14:00

1 stop6h 10m

Washington, D.C. Reagan-National

Fri 30/10

6:00-9:10

1 stop5h 10m

R6 140
Fastest return journey

DenverWashington, D.C.

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

DENIAD

Denver Intl

Mon 26/10

6:00-11:19

Nonstop3h 19m

Washington, D.C. Dulles Intl

Mon 2/11

16:10-18:17

Nonstop4h 07m

R6 206

DenverWashington, D.C.

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

DENIAD

Denver Intl

Sat 7/11

16:18-23:26

1 stop5h 08m

Washington, D.C. Dulles Intl

Sun 8/11

6:05-9:28

1 stop5h 23m

R6 222

DenverWashington, D.C.

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

DENDCA

Denver Intl

Fri 6/11

10:41-20:44

1 stop8h 03m

Washington, D.C. Reagan-National

Sun 8/11

6:08-11:04

1 stop6h 56m

R6 222

Flights are sorted by cheapest return 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 R3 218 to R6 156.
The lowest price recently found on this route was R5 565.

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

In general, February is the cheapest month to fly from Denver to Washington, D.C.. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around R3 924. If you aren’t able to travel during the month of February, then book flights to Washington, D.C. from Denver during January instead. Flights to Washington, D.C. in January, while not as cheap as those in February, still average around R4 186.

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

Fly from Denver Intl to Baltimore/Washington 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 R7 308 when searching weeks before you fly. 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 R5 861 on momondo.

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

There is only 1 cabin class 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.

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 22% 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 return 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

R3 037

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 R3 037. The best return flight deal from Denver to Washington, D.C. found on momondo in the last 72 hours is R5 565.
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), 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?

    A flight from Denver Intl to Washington, D.C. will travel around 2394,6 km.

  • 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. refresh daily.

  • 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 travel and health documents required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Arlington
Cambridge
Owings Mills

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Denver to Washington, D.C. for you.

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

All flight searches from Denver to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Washington, D.C. from Denver. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Denver and alert you when they change.

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