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Cheap flights from Denver to Washington, D.C. from £141

DEN — WAS
10 Dec — 17 Dec1
1 adult
1 adult, Economy, 0 bags

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.

Thu 24/1206:19 -
1 stop12h 52m
Thu 31/1213:55 -
1 stop8h 27m
Deal found 9/11£244
Mon 21/1214:19 -
1 stop5h 58m
Fri 1/106:17 -
1 stop9h 12m
Deal found 5/11£274
Thu 31/1223:59 -
Nonstop3h 20m
Fri 1/108:15 -
Nonstop4h 12m
Deal found 10/11£286
Wed 2/1208:10 -
1 stop6h 10m
Wed 9/1209:00 -
2 stops7h 55m
Deal found 5/11£286
Thu 3/1211:20 -
1 stop4h 40m
Thu 10/1211:00 -
2 stops8h 25m
Deal found 5/11£289
Fri 4/1217:55 -
Nonstop3h 20m
Sun 13/1222:15 -
Nonstop4h 07m
Deal found 9/11£290
Thu 3/1209:35 -
Nonstop3h 21m
Mon 7/1216:13 -
Nonstop4h 07m
Deal found 6/11£290
Fri 18/1206:30 -
1 stop9h 29m
Wed 6/119:07 -
1 stop19h 15m
Deal found 5/11£292
Fri 4/1214:25 -
2 stops6h 55m
Mon 7/1218:50 -
1 stop5h 50m
Deal found 5/11£292
Thu 24/1207:00 -
Nonstop3h 25m
Thu 31/1207:40 -
Nonstop4h 16m
Deal found 9/11£293
Sun 20/1223:43 -
1 stop8h 58m
Fri 1/106:17 -
1 stop9h 12m
Deal found 5/11£294
Thu 3/1211:20 -
1 stop4h 40m
Mon 7/1216:00 -
1 stop5h 15m
Deal found 9/11£298

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

Round-trip from

£244

One-way from

£141

Popular in

November

Cheapest in

January

Average price

£334
Frontier
  • Frontier
  • 24/12-31/12
  • 2 total stops
  • 21h 19m total
  • Denver to Washington, D.C.
Search Deals
Frontier
  • Frontier
  • 15/11-31/12
  • 1 total stop
  • 23h 38m total
  • Denver to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£23 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2026
Search Deals

Cheapflights 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 - DCA Washington, D.C. Reagan-National

DENDCA

Denver Intl

Mon 14/12

11:20-17:55

1 stop4h 35m

Washington, D.C. Reagan-National

Wed 31/12

00:00-22:00

Nonstop0h 00m

£149

DenverWashington, D.C.

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

DENDCA

Denver Intl

Tue 1/12

14:00-22:20

1 stop6h 20m

Washington, D.C. Reagan-National

Wed 31/12

00:00-22:00

Nonstop0h 00m

£153

DenverWashington, D.C.

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

DENDCA

Denver Intl

Sun 28/2

05:00-11:40

1 stop4h 40m

Washington, D.C. Reagan-National

Wed 31/12

00:00-22:00

Nonstop0h 00m

£153

DenverWashington, D.C.

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

DENDCA

Denver Intl

Thu 17/12

09:45-16:55

1 stop5h 10m

Washington, D.C. Reagan-National

Wed 31/12

00:00-22:00

Nonstop0h 00m

£153

DenverWashington, D.C.

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

DENDCA

Denver Intl

Mon 21/12

05:05-13:30

1 stop6h 25m

Washington, D.C. Reagan-National

Wed 31/12

00:00-22:00

Nonstop0h 00m

£153

DenverWashington, D.C.

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

DENDCA

Denver Intl

Sun 21/2

05:00-11:40

1 stop4h 40m

Washington, D.C. Reagan-National

Wed 31/12

00:00-22:00

Nonstop0h 00m

£153

DenverWashington, D.C.

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

DENDCA

Denver Intl

Fri 25/12

14:25-23:20

2 stops6h 55m

Washington, D.C. Reagan-National

Wed 31/12

00:00-22:00

Nonstop0h 00m

£157

DenverWashington, D.C.

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

DENDCA

Denver Intl

Sun 13/12

05:35-15:00

2 stops7h 25m

Washington, D.C. Reagan-National

Wed 31/12

00:00-22:00

Nonstop0h 00m

£157
Fastest return journey

DenverWashington, D.C.

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

DENIAD

Denver Intl

Sun 13/12

16:11-21:24

Nonstop3h 13m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-22:00

Nonstop0h 00m

£171

DenverWashington, D.C.

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

DENDCA

Denver Intl

Sat 19/12

06:05-16:00

1 stop7h 55m

Washington, D.C. Reagan-National

Wed 31/12

00:00-22:00

Nonstop0h 00m

£172

Flights are sorted by cheapest return flights first.

Deals found on 8/11

Showing 1-10 of 45 resultsSorted by cheapest first
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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

Cheapflights Insights

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

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 £180). Flying from Denver to Washington, D.C. in June is currently the most expensive (average of £355). 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?

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 87% versus a flight at midday.

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

The most flights from DEN to WAS are scheduled on a Sunday (32 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (20 on average).

How much does it cost for a return flight from Denver to Washington, D.C.?

Airfare is below average for this route at the moment.
Denver to Washington, D.C. flights typically cost between £268 and £421 in December.
The cheapest return price found within the last 5 days was £244 on Frontier (24 Dec–31 Dec).

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

Booking 86 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.

Related info for your journey

  • 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 25 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 20m. 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 (100%), ITA Airways (98%), Avianca (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 £180). Flying from Denver to Washington, D.C. in June is currently the most expensive (average of £355). 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
Alexandria
Gaithersburg
Oxon Hill
Hanover
Woodbridge
Glen Burnie
Springfield

Browse thousands of different options on Cheapflights for your next trip

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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.

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