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Cheap flights from Denver to Washington, D.C. from $38

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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0 bags

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

Cheap round-trip flights

These are some of the best round-trip flight deals from Denver to Washington, D.C. that have been recently found on momondo from popular airlines, departing in the coming months.
6:45 am - 12:04 pmDEN-DCA
3h 19mnonstop
7:00 am - 9:09 amDCA-DEN
4h 09mnonstop
$88Frontier
Find Deal
Wed, Apr 2 - Tue, Apr 8
11:35 am - 4:59 pmDEN-DCA
3h 24mnonstop
7:00 am - 9:09 amDCA-DEN
4h 09mnonstop
$89Frontier
Find Deal
Tue, Apr 8 - Tue, Apr 15
12:55 am - 8:50 amDEN-DCA
5h 55m1 stop
6:00 am - 9:32 amDCA-DEN
5h 32m1 stop
$227Delta
Find Deal
Sun, Mar 30 - Tue, Apr 8
5:20 am - 10:45 amDEN-BWI
3h 25mnonstop
9:00 pm - 11:05 pmBWI-DEN
4h 05mnonstop
$229Southwest
Find Deal
Mon, Mar 31 - Tue, Apr 8
12:55 am - 9:15 amDEN-IAD
6h 20m1 stop
12:15 pm - 7:49 pmIAD-DEN
9h 34m1 stop
$237Delta
Find Deal
Mon, Mar 24 - Wed, Apr 2
11:45 pm - 5:00 amDEN-BWI
3h 15mnonstop
7:00 am - 9:10 amBWI-DEN
4h 10mnonstop
$241Southwest
Find Deal
Mon, Mar 24 - Wed, Mar 26
1:25 pm - 6:49 pmDEN-IAD
3h 24mnonstop
7:56 pm - 9:55 pmIAD-DEN
3h 59mnonstop
$243United Airlines
Find Deal
Sat, Apr 12 - Tue, Apr 15
6:00 am - 11:18 amDEN-IAD
3h 18mnonstop
8:30 am - 10:35 amIAD-DEN
4h 05mnonstop
$244United Airlines
Find Deal
Thu, Mar 20 - Tue, Mar 25
9:06 am - 6:15 pmDEN-BWI
7h 09m1 stop
6:40 am - 3:27 pmBWI-DEN
10h 47m2 stops
$254American Airlines
Find Deal
Wed, Apr 23 - Sat, Apr 26
6:40 am - 4:03 pmDEN-BWI
7h 23m1 stop
7:01 pm - 11:59 pmBWI-DEN
6h 58m1 stop
$261American Airlines
Find Deal
Fri, Mar 28 - Mon, Mar 31

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 12
DEN1:25 pmDenver Intl
3h 24m
IAD6:49 pmWashington, D.C. Dulles Intl
Apr 15
IAD7:56 pmWashington, D.C. Dulles Intl
3h 59m
DEN9:55 pmDenver Intl
United Airlines
Mar 20
DEN6:00 amDenver Intl
3h 18m
IAD11:18 amWashington, D.C. Dulles Intl
Mar 25
IAD8:30 amWashington, D.C. Dulles Intl
4h 05m
DEN10:35 amDenver Intl
United Airlines
Apr 12
DEN11:20 amDenver Intl
5h 57m
1 stop
IAD7:17 pmWashington, D.C. Dulles Intl
Apr 16
IAD7:56 pmWashington, D.C. Dulles Intl
3h 59m
DEN9:55 pmDenver Intl

Delta flights from Denver to Washington, D.C.

Our best Delta deals on Denver to Washington, D.C. flight tickets
Delta
Mar 30
DEN12:55 amDenver Intl
5h 55m
1 stop
DCA8:50 amWashington, D.C. Reagan-National
Apr 8
DCA6:00 amWashington, D.C. Reagan-National
5h 32m
1 stop
DEN9:32 amDenver Intl
Delta
Mar 24
DEN12:55 amDenver Intl
6h 20m
1 stop
IAD9:15 amWashington, D.C. Dulles Intl
Apr 2
IAD12:15 pmWashington, D.C. Dulles Intl
9h 34m
1 stop
DEN7:49 pmDenver Intl
Delta
Mar 6
DEN6:05 amDenver Intl
5h 59m
1 stop
BWI2:04 pmBaltimore/Washington
Mar 10
BWI5:40 pmBaltimore/Washington
5h 57m
1 stop
DEN9:37 pmDenver Intl

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 cheapest month to fly to Washington, D.C.?

The month of April is, on average, the cheapest month to fly to Washington, D.C. from Denver, with most prices found around $209. If you’re not able to fly to Washington, D.C. in April, then September is your next best option. Flight prices from Denver to Washington, D.C. during September average around $221.

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 Wednesday. momondo users have found tickets for Wednesday departures for as low as $328. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Denver to Washington, D.C. for around $440.

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 $316. 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 $775. 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 20 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $352 when searching 20 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 $282 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.

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

As of February 2025, prices for Denver to Washington, D.C. flights are approximately 53% 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

$38

Fastest flight time

3h 10m

Direct flights

Every day

Airports in Washington, D.C.

3 airports
The best one-way flight to Washington, D.C. from Denver in the past 72 hours is $38. The best round-trip flight deal from Denver to Washington, D.C. found on momondo in the last 72 hours is $88.
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 3 airports near Washington, D.C.: Washington, D.C. Reagan-National (DCA), Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD)

  • 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 $79Free CancellationRating
6.0
3,352 reviews
Search Frontier flights
DeltaPriceFrom $138Free CancellationRating
8.0
8,212 reviews
Search Delta flights
American AirlinesPriceFrom $166Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $172Free CancellationRating
7.4
8,759 reviews
Search United Airlines flights
SouthwestPriceFrom $214Free CancellationRating
8.1
4,395 reviews
Search Southwest flights
  • Southwest Flights From Denver to Washington, D.C.

    Southwest flight deals from Denver to Washington, D.C. start from $214 round-trip. Over the 21 Southwest flights for this route in a normal week, average airfare is usually $358 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 $172, round-trip. It should be noted that an average United Airlines flight deal for this route in this time was higher, at $409 round-trip. United Airlines operates 52 flights out of Denver into Washington, D.C. in an average week, so prices vary by time and availability. 8,754 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
Arlington
Gettysburg
Laurel
National Harbor
Silver Spring
Woodbridge
Fredericksburg
Manassas
Tysons
Waldorf
Gaithersburg
Linthicum Heights
Glen Burnie
Rockville
Fairfax
Towson
Hanover
Reston
Hyattsville

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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1 adult
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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.

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