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

As of February 2026, 39 flights take off from Denver and land in Washington, D.C. each day. The most common flight departure time for this route is 7:00AM, with 61% of daily flights taking off at noon.

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 48% 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.

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

Frontier, United Airlines, and Delta 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?

278 flights are operational weekly from Denver to Washington, D.C. as of February 2026. The most popular departure day for this route is Thu, with 19% of flights per week taking off on this day.

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.

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

Atlanta (ATL) was the most common stop: 40% of momondo users choosing 1-stop flights on this route connected there.

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.

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 February 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.

$59 Cheap Flights from Denver to Washington, D.C. in 2026

Q: 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 $166 to $362. The lowest price recently found on this route was $126.

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1:09 pm - 12:36 am

DEN

IAD

9h 27m

1 stop

6:15 am - 12:14 pm

IAD

DEN

7h 59m

1 stop

$126Frontier

Wed, Apr 15 - Tue, Apr 21

11:59 pm - 8:56 am

DEN

IAD

6h 57m

1 stop

6:20 am - 12:14 pm

IAD

DEN

7h 54m

1 stop

$134Frontier

Sat, Apr 25 - Tue, Apr 28

4:36 pm - 9:59 pm

DEN

DCA

3h 23mnonstop

6:00 pm - 8:11 pm

DCA

DEN

4h 11mnonstop

$134Frontier

Tue, Apr 21 - Sat, Apr 25

7:35 am - 1:00 pm

DEN

DCA

3h 25mnonstop

7:00 am - 9:12 am

DCA

DEN

4h 12mnonstop

$136Frontier

Sat, May 2 - Wed, May 6

4:36 pm - 9:59 pm

DEN

DCA

3h 23mnonstop

7:00 am - 9:12 am

DCA

DEN

4h 12mnonstop

$137Frontier

Sat, May 2 - Sat, May 9

4:36 pm - 9:59 pm

DEN

DCA

3h 23mnonstop

1:59 pm - 4:04 pm

DCA

DEN

4h 05mnonstop

$138Frontier

Tue, Apr 14 - Tue, Apr 21

1:09 pm - 12:36 am

DEN

IAD

9h 27m

1 stop

8:19 pm - 10:19 am

IAD

DEN

16h 00m

1 stop

$140Frontier

Wed, Apr 15 - Fri, Apr 24

6:00 am - 6:12 pm

DEN

IAD

10h 12m

1 stop

6:15 am - 12:14 pm

IAD

DEN

7h 59m

1 stop

$141Frontier

Thu, Apr 16 - Tue, Apr 21

11:59 pm - 12:36 am

DEN

IAD

22h 37m

1 stop

6:20 am - 10:29 pm

IAD

DEN

18h 09m

1 stop

$143Frontier

Mon, Apr 20 - Wed, Apr 29

11:59 pm - 5:46 pm

DEN

BWI

15h 47m

2 stops

6:26 pm - 11:55 pm

BWI

DEN

7h 29m

1 stop

$229Multiple Airlines

Tue, Mar 10 - Mon, Mar 23

Frontier flights from Denver to Washington, D.C.

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

Frontier

Apr 15

DEN1:09 pmDenver Intl

9h 27m

1 stop

IAD12:36 amWashington, D.C. Dulles Intl

Apr 21

IAD6:15 amWashington, D.C. Dulles Intl

7h 59m

1 stop

DEN12:14 pmDenver Intl

$126

Frontier

Apr 25

DEN11:59 pmDenver Intl

6h 57m

1 stop

IAD8:56 amWashington, D.C. Dulles Intl

Apr 28

IAD6:20 amWashington, D.C. Dulles Intl

7h 54m

1 stop

DEN12:14 pmDenver Intl

$134

Frontier

May 2

DEN7:35 amDenver Intl

3h 25m

DCA1:00 pmWashington, D.C. Reagan-National

May 6

DCA7:00 amWashington, D.C. Reagan-National

4h 12m

DEN9:12 amDenver Intl

$136

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

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

United Airlines

Apr 18

DEN11:59 pmDenver Intl

3h 29m

IAD5:28 amWashington, D.C. Dulles Intl

Apr 23

IAD8:12 pmWashington, D.C. Dulles Intl

4h 03m

DEN10:15 pmDenver Intl

$197

United Airlines

Mar 6

DEN11:59 pmDenver Intl

3h 18m

IAD5:17 amWashington, D.C. Dulles Intl

Mar 7

IAD8:20 amWashington, D.C. Dulles Intl

13h 15m

1 stop

DEN7:35 pmDenver Intl

$327

United Airlines

Mar 3

DEN7:45 amDenver Intl

3h 20m

IAD1:05 pmWashington, D.C. Dulles Intl

Mar 7

IAD10:30 pmWashington, D.C. Dulles Intl

4h 00m

DEN12:30 amDenver Intl

$332

Fly from

Fly to

Route

Depart

Return

Price

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Wed 4/15

1:09 pm-12:36 am

1 stop9h 27m

Washington, D.C. Dulles Intl

Tue 4/21

6:15 am-12:14 pm

1 stop7h 59m

$126

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Sat 4/25

11:59 pm-8:56 am

1 stop6h 57m

Washington, D.C. Dulles Intl

Tue 4/28

6:20 am-12:14 pm

1 stop7h 54m

$134

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Tue 4/21

4:36 pm-9:59 pm

Nonstop3h 23m

Washington, D.C. Reagan-National

Sat 4/25

6:00 pm-8:11 pm

Nonstop4h 11m

$134

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Sat 5/2

7:35 am-1:00 pm

Nonstop3h 25m

Washington, D.C. Reagan-National

Wed 5/6

7:00 am-9:12 am

Nonstop4h 12m

$136

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Sat 5/2

4:36 pm-9:59 pm

Nonstop3h 23m

Washington, D.C. Reagan-National

Sat 5/9

7:00 am-9:12 am

Nonstop4h 12m

$137

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Tue 4/14

4:36 pm-9:59 pm

Nonstop3h 23m

Washington, D.C. Reagan-National

Tue 4/21

1:59 pm-4:04 pm

Nonstop4h 05m

$138

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Wed 4/15

1:09 pm-12:36 am

1 stop9h 27m

Washington, D.C. Dulles Intl

Fri 4/24

8:19 pm-10:19 am

1 stop16h 00m

$140

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Thu 4/16

6:00 am-6:12 pm

1 stop10h 12m

Washington, D.C. Dulles Intl

Tue 4/21

6:15 am-12:14 pm

1 stop7h 59m

$141

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Mon 4/20

11:59 pm-12:36 am

1 stop22h 37m

Washington, D.C. Dulles Intl

Wed 4/29

6:20 am-10:29 pm

1 stop18h 09m

$143

DenverBaltimore

DEN - BWI

DENBWI

Denver Intl

Tue 3/10

11:59 pm-5:46 pm

2 stops15h 47m

Baltimore/Washington

Mon 3/23

6:26 pm-11:55 pm

1 stop7h 29m

$229

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 $204. If you’re not able to fly to Washington, D.C. in January, then February is your next best option. Flight prices from Denver to Washington, D.C. during February average around $222.

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 Friday. momondo users have found tickets for Friday departures for as low as $324. 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 $402.

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 $322. 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 $594. 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 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 $343 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 $278 on momondo.

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

There are 4 cabin classes available to choose from on Denver Intl 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 February 2026, prices for Denver to Washington, D.C. flights are approximately 25% cheaper 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	$104
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 $104. The best round-trip flight deal from Denver to Washington, D.C. found on momondo in the last 72 hours is $147.

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 Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD).

Search flight deals

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 February 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 Boeing 737 MAX 8, representing 14.72% of all bookings. The subsequent popular models are Airbus A321neo at 13.36%, Airbus A320neo at 12.52%, and Boeing 737-900 at 12.30%.
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 (69% of total bookings). The next most popular airlines are United Airlines (21%), Southwest (10%), and Delta (0%).

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 $97	Free Cancellation	Rating 5.7 3,046 reviews	Search Frontier flights
Delta	PriceFrom $118	Free Cancellation	Rating 7.9 8,228 reviews	Search Delta flights
United Airlines	PriceFrom $165	Free Cancellation	Rating 7.4 9,335 reviews	Search United Airlines flights
Southwest	PriceFrom $177	Free Cancellation	Rating 8.0 4,298 reviews	Search Southwest flights
American Airlines	PriceFrom $196	Free Cancellation	Rating 7.2 11,334 reviews	Search American 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 24 Southwest flights for this route in a normal week, average airfare is usually $337 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 $165, round-trip. It should be noted that an average United Airlines flight deal for this route in this time was higher, at $378 round-trip. United Airlines operates 60 flights out of Denver into Washington, D.C. in an average week, so prices vary by time and availability. 9,335 United Airlines reviews by users on momondo have scored the airline at 7.4/10.

Alexandria

National Harbor

Gettysburg

Arlington

Waldorf

Woodbridge

Colonial Beach

Laurel

Silver Spring

Tysons

Towson

Fredericksburg

Gaithersburg

Rockville

Manassas

Springfield

Fairfax

Bethesda

Linthicum Heights

College Park

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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 $59

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 4/15. 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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Frontier flights from Denver to Washington, D.C.

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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 to Washington, D.C.?

What cabin class options are available on Denver Intl 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

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

Best Price Found

Fastest flight time

Direct flights

Airports in 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

Southwest Flights From Denver to Washington, D.C.

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

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

Why use momondo?

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

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

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

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

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.

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