Which layover airport has the shortest connection time from Denver to Washington, D.C.?

St. Louis (STL) has the shortest average layover time for this route: 0h 40m.

Which layover airport offers the lowest fares from Denver to Washington, D.C.?

Flights via Kansas City (MCI) offer the lowest average round-trip price of $196.

What airlines fly to Washington, D.C.?

Frontier, United Airlines and Southwest are the top three most popular airlines that fly to Washington, D.C. from Denver according to our data. Frontier is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 5 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

How many flights depart from Denver to Washington, D.C. on average per day?

As of July 2026, 46 flights take off from Denver and land in Washington, D.C. each day. The most common flight departure time for this route is 8:00AM, with 52% of daily flights taking off at noon.

What is the cheapest airline that flies from Denver Intl to Washington, D.C.?

Southwest, Delta, and United Airlines are the most popular carriers operating from Denver Intl to Washington, D.C.

How many flights depart from Denver to Washington, D.C. on average per week?

322 flights are operational weekly from Denver to Washington, D.C. as of July 2026. The most popular departure day for this route is Thu, with 18% of flights per week taking off on this day.

Which airport is the most popular layover for flights between Denver and Washington, D.C.?

Atlanta (ATL) was the most common stop: 57% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from Denver to Washington, D.C.?

Flights connecting via St. Louis (STL) have the shortest average one-way travel time: 4h 45m.

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.?

There are 5 operators available for flights from Denver Intl Airport to Washington, D.C. as of July 2026.

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.

$108 Cheap Flights from Denver to Washington, D.C. in 2026

Discover deals from 900+ travel sites with momondo.

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

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:44 pm - 8:25 pm

DEN

BWI

21h 41m

1 stop

12:02 pm - 1:00 pm

BWI

DEN

26h 58m

1 stop

$278Frontier

Thu, Oct 22 - Mon, Nov 9

7:30 am - 12:51 pm

DEN

DCA

3h 21mnonstop

6:00 pm - 8:07 pm

DCA

DEN

4h 07mnonstop

$283Frontier

Thu, Aug 6 - Thu, Aug 6

10:30 am - 6:34 pm

DEN

BWI

6h 04m

1 stop

5:22 pm - 11:53 pm

BWI

DEN

8h 31m

1 stop

$283Frontier

Fri, Oct 9 - Thu, Oct 15

11:37 pm - 7:58 am

DEN

DCA

6h 21m

1 stop

4:40 pm - 10:42 pm

DCA

DEN

8h 02m

1 stop

$284JetBlue

Sat, Aug 29 - Sat, Sep 5

8:40 am - 12:28 am

DEN

IAD

13h 48m

2 stops

1:35 pm - 8:04 pm

IAD

DEN

8h 29m

1 stop

$285Frontier

Thu, Sep 10 - Sun, Sep 20

2:04 pm - 10:59 pm

DEN

DCA

6h 55m

1 stop

6:00 pm - 8:07 pm

DCA

DEN

4h 07mnonstop

$285Multiple Airlines

Thu, Aug 6 - Mon, Aug 10

8:40 am - 12:28 am

DEN

IAD

13h 48m

2 stops

1:35 pm - 8:04 pm

IAD

DEN

8h 29m

1 stop

$286Frontier

Mon, Sep 14 - Sun, Sep 20

2:04 pm - 10:59 pm

DEN

DCA

6h 55m

1 stop

2:25 pm - 10:42 pm

DCA

DEN

10h 17m

1 stop

$288JetBlue

Fri, Aug 21 - Mon, Aug 24

10:30 am - 12:28 am

DEN

IAD

11h 58m

1 stop

9:21 am - 10:59 pm

IAD

DEN

15h 38m

1 stop

$288Frontier

Thu, Sep 17 - Sun, Sep 20

1:53 pm - 7:16 pm

DEN

DCA

27h 23m

1 stop

6:20 pm - 12:03 pm

DCA

DEN

19h 43m

1 stop

$292JetBlue

Fri, Oct 23 - Mon, Oct 26

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

Our best United Airlines deals on Denver to Washington, D.C. flight tickets

United Airlines

Aug 28

DEN11:59 pmDenver Intl

3h 26m

IAD5:25 amWashington, D.C. Dulles Intl

Aug 29

IAD8:15 amWashington, D.C. Dulles Intl

3h 54m

DEN10:09 amDenver Intl

$304

United Airlines

Aug 7

DEN6:00 pmDenver Intl

3h 32m

IAD11:32 pmWashington, D.C. Dulles Intl

Aug 10

IAD7:20 pmWashington, D.C. Dulles Intl

4h 07m

DEN9:27 pmDenver Intl

$309

United Airlines

Aug 4

DEN3:40 pmDenver Intl

3h 30m

BWI9:10 pmBaltimore/Washington

Aug 8

BWI3:03 pmBaltimore/Washington

7h 11m

1 stop

DEN8:14 pmDenver Intl

$330

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

Our best American Airlines deals on Denver to Washington, D.C. flight tickets

American Airlines

Sep 9

DEN3:38 pmDenver Intl

5h 13m

1 stop

IAD10:51 pmWashington, D.C. Dulles Intl

Sep 21

IAD6:14 amWashington, D.C. Dulles Intl

5h 46m

1 stop

DEN10:00 amDenver Intl

$352

American Airlines

Jul 30

DEN3:57 pmDenver Intl

6h 13m

1 stop

IAD12:10 amWashington, D.C. Dulles Intl

Aug 4

IAD5:03 amWashington, D.C. Dulles Intl

6h 07m

1 stop

DEN9:10 amDenver Intl

$382

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverBaltimore

DEN - BWI

DENBWI

Denver Intl

Thu 10/22

8:44 pm-8:25 pm

1 stop21h 41m

Baltimore/Washington

Mon 11/9

12:02 pm-1:00 pm

1 stop26h 58m

$278

Quickest round-trip

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Thu 8/6

7:30 am-12:51 pm

Nonstop3h 21m

Washington, D.C. Reagan-National

Thu 8/6

6:00 pm-8:07 pm

Nonstop4h 07m

$283

DenverBaltimore

DEN - BWI

DENBWI

Denver Intl

Fri 10/9

10:30 am-6:34 pm

1 stop6h 04m

Baltimore/Washington

Thu 10/15

5:22 pm-11:53 pm

1 stop8h 31m

$283

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Sat 8/29

11:37 pm-7:58 am

1 stop6h 21m

Washington, D.C. Reagan-National

Sat 9/5

4:40 pm-10:42 pm

1 stop8h 02m

$284

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Thu 9/10

8:40 am-12:28 am

2 stops13h 48m

Washington, D.C. Dulles Intl

Sun 9/20

1:35 pm-8:04 pm

1 stop8h 29m

$285

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Thu 8/6

2:04 pm-10:59 pm

1 stop6h 55m

Washington, D.C. Reagan-National

Mon 8/10

6:00 pm-8:07 pm

Nonstop4h 07m

$285

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Mon 9/14

8:40 am-12:28 am

2 stops13h 48m

Washington, D.C. Dulles Intl

Sun 9/20

1:35 pm-8:04 pm

1 stop8h 29m

$286

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Fri 8/21

2:04 pm-10:59 pm

1 stop6h 55m

Washington, D.C. Reagan-National

Mon 8/24

2:25 pm-10:42 pm

1 stop10h 17m

$288

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Thu 9/17

10:30 am-12:28 am

1 stop11h 58m

Washington, D.C. Dulles Intl

Sun 9/20

9:21 am-10:59 pm

1 stop15h 38m

$288

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Fri 10/23

1:53 pm-7:16 pm

1 stop27h 23m

Washington, D.C. Reagan-National

Mon 10/26

6:20 pm-12:03 pm

1 stop19h 43m

$292

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

Other information

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

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

The month of January is, on average, the cheapest month to fly to Washington, D.C. from Denver, with most prices found around $58. If you’re not able to fly to Washington, D.C. in January, then August is your next best option. Flight prices from Denver to Washington, D.C. during August average around $88.

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 $359. 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 $531.

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 $385. 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 $759. 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 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 $408 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 $340 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 July 2026, prices for Denver to Washington, D.C. flights are approximately 67% 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	$215
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 $215. The best round-trip flight deal from Denver to Washington, D.C. found on momondo in the last 72 hours is $379.

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).

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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.?
There are 5 operators available for flights from Denver Intl Airport to Washington, D.C. as of July 2026.
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.?
momondo data reveals that the most frequently booked plane model on the route from Denver to Washington, D.C. is Airbus A320neo, representing 16.33% of all bookings. The subsequent popular models are Airbus A321neo at 16.31%, Boeing 737-900 at 13.72%, and Boeing 737 MAX 8 at 12.42%.
What is the most popular airline from Denver to Washington, D.C.?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Denver to Washington, D.C. is Frontier (65% of total bookings). The next most popular airlines are United Airlines (26%), Southwest (9%), and JetBlue (1%).

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
Frontier	PriceFrom $103	Free Cancellation	Rating 5.6 2,797 reviews	Search Frontier flights
Delta	PriceFrom $144	Free Cancellation	Rating 7.8 8,471 reviews	Search Delta flights
Southwest	PriceFrom $177	Free Cancellation	Rating 8.0 4,242 reviews	Search Southwest flights
American Airlines	PriceFrom $186	Free Cancellation	Rating 7.1 11,814 reviews	Search American Airlines flights
United Airlines	PriceFrom $197	Free Cancellation	Rating 7.4 9,993 reviews	Search United Airlines flights

Southwest Flights From Denver to Washington, D.C.
Southwest flight deals from Denver to Washington, D.C. start from $177 round-trip. Over the 10 Southwest flights for this route in a normal week, average airfare is usually $388 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 $197, round-trip. It should be noted that an average United Airlines flight deal for this route in this time was higher, at $491 round-trip. United Airlines operates 74 flights out of Denver into Washington, D.C. in an average week, so prices vary by time and availability. 9,993 United Airlines reviews by users on momondo have scored the airline at 7.4/10.

Alexandria

National Harbor

Arlington

Gettysburg

Waldorf

Laurel

Woodbridge

Fredericksburg

Gaithersburg

Linthicum Heights

Rockville

Towson

Manassas

Silver Spring

Colonial Beach

Springfield

Tysons

Fairfax

Bethesda

College Park

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.

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

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

Cheap flights from Denver to Washington, D.C. from $138

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Washington, D.C. departing on 8/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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

Our best United Airlines deals on Denver to Washington, D.C. flight tickets

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

Our best American Airlines deals on Denver to Washington, D.C. flight tickets

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

See travel insights to Washington, D.C. from

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

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

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

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

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

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

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

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

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

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

What is the cheapest airline that flies from Denver Intl to Washington, D.C.?

What airlines fly to Washington, D.C.?

Which airport is the most popular layover for flights between Denver and Washington, D.C.?

Which layover airport offers the lowest fares from Denver to Washington, D.C.?

Which layover airport has the shortest travel time from Denver to Washington, D.C.?

Which layover airport has the shortest connection time from Denver to Washington, D.C.?

How many flights depart from Denver to Washington, D.C. on average per day?

How many flights depart from Denver to Washington, D.C. on average per week?

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

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

Best Price Found

Fastest flight time

Direct flights

Airports in Washington, D.C.

Frequently asked questions about flying 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

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

Why use momondo?

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

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

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.

Fly your favorite airline to Washington, D.C.

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

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