Find flights
Deals
When to book
FAQs

Cheap flights from Denver to Washington, D.C. from £65

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — WAS
4 Mar — 11 Mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Denver Intl to Washington, D.C. are usually found in February or October, booked 88 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from Denver to Washington, D.C.

Enter your travel dates to find the best prices.

Cheapest flights from Denver to Washington, D.C.
Explore the most affordable flight options available from Denver to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 February 2026.

Wed 18/314:50
DEN
-
DCA
1 stop6h 09m
Multiple Airlines
Wed 25/308:00
DCA
-
DEN
Nonstop4h 22m
Multiple Airlines
Deal found 31/1£121
Tue 3/307:45
DEN
-
IAD
Nonstop3h 20m
United Airlines
Tue 10/317:10
IAD
-
DEN
Nonstop4h 21m
United Airlines
Deal found 1/2£129
Sat 28/216:35
DEN
-
IAD
Nonstop3h 10m
Southwest
Sat 7/318:05
IAD
-
DEN
Nonstop4h 05m
Southwest
Deal found 31/1£144
Tue 17/322:39
DEN
-
DCA
1 stop7h 22m
JetBlue
Tue 24/307:30
DCA
-
DEN
1 stop7h 10m
JetBlue
Deal found 30/1£144
Wed 18/314:50
DEN
-
DCA
1 stop6h 09m
JetBlue
Wed 25/306:00
DCA
-
DEN
1 stop18h 59m
JetBlue
Deal found 31/1£156
Wed 11/318:35
DEN
-
IAD
Nonstop3h 05m
Southwest
Mon 16/305:50
IAD
-
DEN
Nonstop3h 55m
Southwest
Deal found 31/1£158
Mon 16/323:09
DEN
-
DCA
1 stop6h 52m
JetBlue
Tue 17/313:00
DCA
-
DEN
1 stop10h 43m
JetBlue
Deal found 31/1£160
Fri 27/200:59
DEN
-
IAD
1 stop6h 55m
Delta
Wed 4/319:35
IAD
-
DEN
1 stop6h 48m
Delta
Deal found 31/1£166
Sat 28/207:05
DEN
-
DCA
1 stop7h 11m
Delta
Sat 7/311:55
DCA
-
DEN
1 stop6h 49m
Delta
Deal found 1/2£166
Wed 18/323:59
DEN
-
IAD
1 stop6h 49m
American Airlines
Wed 25/305:00
IAD
-
DEN
1 stop7h 51m
American Airlines
Deal found 31/1£172
Fri 13/319:05
DEN
-
IAD
Nonstop3h 10m
Southwest
Tue 17/316:45
IAD
-
DEN
Nonstop3h 55m
Southwest
Deal found 1/2£173
Thu 5/314:45
DEN
-
DCA
1 stop5h 48m
Delta
Sun 8/306:14
DCA
-
DEN
1 stop7h 11m
Delta
Deal found 1/2£173

Find flight deals from Denver to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 2 February 2026.

Round-trip from

£121

One-way from

£65

Popular in

December

Cheapest in

February

Average price

£152
Frontier
  • Frontier
  • 18/3-25/3
  • 1 total stop
  • 10h 31m total
  • Denver to Washington, D.C.
Search Deals
United Airlines
  • United Airlines
  • 3/3
  • Nonstop
  • 3h 20m total
  • Denver to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£22 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Denver to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 2 February 2026.
Use the filters below to find and compare flights from Denver to Washington, D.C. that are best for you.

Fly from

Denver

Fly to

Washington, D.C.

Route

Depart

Return

Price

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Wed 18/3

18:35-23:40

Nonstop3h 05m

Washington, D.C. Dulles Intl

Wed 25/3

05:50-07:45

Nonstop3h 55m

£158

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Fri 6/3

06:10-11:30

Nonstop3h 20m

Washington, D.C. Dulles Intl

Sun 8/3

19:59-22:06

Nonstop4h 07m

£158

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Fri 6/3

19:05-00:15

Nonstop3h 10m

Washington, D.C. Dulles Intl

Sun 8/3

18:10-20:10

Nonstop4h 00m

£158

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Tue 10/3

07:45-13:05

Nonstop3h 20m

Washington, D.C. Dulles Intl

Thu 12/3

19:59-22:06

Nonstop4h 07m

£158

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Mon 16/3

23:09-08:01

1 stop6h 52m

Washington, D.C. Reagan-National

Wed 18/3

06:00-13:55

1 stop9h 55m

£160

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Mon 16/3

23:09-08:01

1 stop6h 52m

Washington, D.C. Reagan-National

Tue 17/3

15:55-21:43

1 stop7h 48m

£160

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Sat 28/2

07:05-16:16

1 stop7h 11m

Washington, D.C. Reagan-National

Sat 7/3

11:55-16:44

1 stop6h 49m

£166

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Sat 7/3

06:00-16:27

1 stop8h 27m

Washington, D.C. Reagan-National

Sun 8/3

06:14-11:25

1 stop7h 11m

£166

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Tue 3/3

07:55-16:50

1 stop6h 55m

Washington, D.C. Dulles Intl

Tue 10/3

05:50-07:45

Nonstop3h 55m

£166

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Wed 25/3

23:59-05:17

Nonstop3h 18m

Washington, D.C. Dulles Intl

Mon 30/3

20:12-22:15

Nonstop4h 03m

£173

Flights are sorted by cheapest return flights first.

Deals found on 1/2

Showing 1-10 of 42 results
1
2
3
...
5

Best time to book a flight from Denver to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Denver with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Denver to Washington, D.C.

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

Use this chart to determine the optimal time to book a return flight from Denver to Washington, D.C.. Price data was last updated on 30 January 2026.

Booking 88 days in advance of your planned departure date is, on average, the best time to get cheap flights from Denver to Washington, D.C.. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Denver to Washington, D.C.?

Currently, February is the cheapest month in which you can book a flight from Denver to Washington, D.C. (average of £56). Flying from Denver to Washington, D.C. in May is currently the most expensive (average of £99). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DEN to WAS?

Find hourly flight availability from Denver to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 2 February 2026.

When flying from Denver to Washington, D.C., the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 84% versus a flight at midday.

Weekly flight availability from Denver to Washington, D.C.

Explore weekly flight availability from Denver to Washington, D.C.. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 2 February 2026.

The most flights from DEN to WAS are scheduled on a Friday (34 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (17 on average).

Related info for your journey

Find useful and relevant information for your journey from Denver to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Denver to Washington, D.C.?

    Denver Intl (DEN), located 18.5 mi from the city center, is the airport you fly out of when you book flights from Denver to Washington, D.C.. 0 airlines have flights from Denver Intl to Washington, D.C. on a regular basis. Booking flights from Denver Intl to Washington, D.C. should not be difficult; the airport handles an average of 26 outbound flights to Washington, D.C. per day.

  • How long is the flight from Denver to Washington, D.C.?

    Departing from Denver to Washington, D.C. will take you 3h 05m. The distance between Denver and Washington, D.C. is about 1448 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most reliable airlines from Denver to Washington, D.C.?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Denver to Washington, D.C. on time: Ethiopian Air (98%), Avianca (92%), United Airlines (92%).

  • Can I find deals for flights from Denver to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Denver to Washington, D.C. flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Denver to Washington, D.C.?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Washington, D.C..

  • Can I find deals for business class flights from Denver to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Denver to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Denver to Washington, D.C.?

    Currently, February is the cheapest month in which you can book a flight from Denver to Washington, D.C. (average of £56). Flying from Denver to Washington, D.C. in May is currently the most expensive (average of £99). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Silver Spring
Hanover
Oxon Hill
Woodbridge
Arlington
Alexandria
College Park

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Denver to Washington, D.C.?

Deals for Denver to Washington, D.C. flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Denver to Washington, D.C.?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Washington, D.C. from Denver.

Can Cheapflights find flights from Denver to Washington, D.C. with no change fees?

Certainly. Search results for flights to Washington, D.C. from Denver shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Denver to Washington, D.C. become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Washington, D.C. from Denver today and book when prices fit your budget.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.