Cheap Flights from Denver to Washington D.C.
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Flights from Denver to Washington D.C.
Airlines Flying from Denver to Washington D.C.
Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Flight deals from Denver to Washington D.C.
We've found these cheap flights for you. You can book one-way or return flight tickets.
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Round-trip
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One way
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Cheapest nonstop
DEN 16:283h 31mDirectDCA 21:59Denver - Washington D.C. | Tue, Jun 17 | Frontier Airlines
DCA 07:004h 2mDirectDEN 09:02Washington D.C. - Denver | Tue, Jun 24 | Frontier Airlines£115 £14621% OFF21% OFF£146 £115 -
DEN 06:383h 22mDirectDCA 12:00Denver - Washington D.C. | Mon, Jun 16 | Frontier Airlines
DCA 07:004h 2mDirectDEN 09:02Washington D.C. - Denver | Mon, Jun 23 | Frontier Airlines£116 £14621% OFF21% OFF£146 £116
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DEN 06:383h 22mDirectDCA 12:00Denver - Washington D.C. | Sat, Jun 7 | Frontier Airlines
DCA 07:004h 2mDirectDEN 09:02Washington D.C. - Denver | Sat, Jun 14 | Frontier Airlines£116 £14621% OFF21% OFF£146 £116
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DEN 16:283h 31mDirectDCA 21:59Denver - Washington D.C. | Sat, Jun 14 | Frontier Airlines
DCA 07:004h 2mDirectDEN 09:02Washington D.C. - Denver | Sat, Jun 21 | Frontier Airlines£11720% OFF£146 £117
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DEN 16:283h 31mDirectDCA 21:59Denver - Washington D.C. | Fri, Jun 13 | Frontier Airlines
DCA 18:004h 4mDirectDEN 20:04Washington D.C. - Denver | Fri, Jun 20 | Frontier Airlines£11919% OFF£146 £119
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DEN 16:283h 29mDirectDCA 21:57Denver - Washington D.C. | Wed, Jul 16 | Frontier Airlines
DCA 07:003h 56mDirectDEN 08:56Washington D.C. - Denver | Wed, Jul 23 | Frontier Airlines£12316% OFF£146 £123
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DEN 06:383h 26mDirectDCA 12:04Denver - Washington D.C. | Tue, Jul 15 | Frontier Airlines
DCA 18:004h 5mDirectDEN 20:05Washington D.C. - Denver | Wed, Jul 16 | Frontier Airlines£12415% OFF£146 £124
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DEN 06:383h 22mDirectDCA 12:00Denver - Washington D.C. | Tue, Jul 1 | Frontier Airlines
DCA 07:003h 56mDirectDEN 08:56Washington D.C. - Denver | Tue, Jul 8 | Frontier Airlines£13210% OFF£146 £132
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DEN 16:283h 31mDirectDCA 21:59Denver - Washington D.C. | Wed, Jun 4 | Frontier Airlines
DCA 18:004h 4mDirectDEN 20:04Washington D.C. - Denver | Fri, Jun 6 | Frontier Airlines£13210% OFF£146 £132
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DEN 13:466h 29m1 stopsIAD 22:15Denver - Washington D.C. | Thu, Jun 5 | Frontier Airlines
IAD 18:077h 52m1 stopsDEN 23:59Washington D.C. - Denver | Fri, Jun 13 | Frontier Airlines£12912% OFF£146 £129
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DEN 13:0017h 25m1 stopsWAS Invalid DateDenver - Washington D.C. | Thu, Jun 5 | Normal Airline
WAS 15:006hDirectDEN 16:00Washington D.C. - Denver | Sat, Jun 7 | Normal AirlineFind More FlightsFind More Flights
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Cheapest nonstop
DEN 08:003h 20mDirectIAD 13:20Denver - Washington D.C. | Tue, Jul 1 | Southwest Airlines£55 £13961% OFF61% OFF£139 £55 -
DEN 06:383h 22mDirectDCA 12:00Denver - Washington D.C. | Tue, Jun 17 | Frontier Airlines£57 £13960% OFF60% OFF£139 £57
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DEN 06:383h 22mDirectDCA 12:00Denver - Washington D.C. | Tue, Jul 1 | Frontier Airlines£58 £13957% OFF57% OFF£139 £58
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DEN 06:383h 26mDirectDCA 12:04Denver - Washington D.C. | Tue, Jul 29 | Frontier Airlines£6554% OFF£139 £65
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DEN 16:283h 29mDirectDCA 21:57Denver - Washington D.C. | Tue, Jul 22 | Frontier Airlines£6653% OFF£139 £66
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DEN 16:283h 29mDirectDCA 21:57Denver - Washington D.C. | Wed, Jul 16 | Frontier Airlines£6653% OFF£139 £66
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DEN 06:383h 26mDirectDCA 12:04Denver - Washington D.C. | Tue, Jul 15 | Frontier Airlines£6653% OFF£139 £66
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DEN 16:283h 29mDirectDCA 21:57Denver - Washington D.C. | Wed, Jul 30 | Frontier Airlines£6653% OFF£139 £66
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DEN 06:383h 22mDirectDCA 12:00Denver - Washington D.C. | Tue, Jun 10 | Frontier Airlines£12510% OFF£139 £125
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DEN 14:116h 4m1 stopsDCA 22:15Denver - Washington D.C. | Tue, Jun 17 | American Airlines£6455% OFF£139 £64 -
DEN 13:0017h 25m1 stopsWAS Invalid DateDenver - Washington D.C. | Thu, Jun 5 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
Flight Information from Denver to Washington D.C.
| Cheapest one-way flight price | £54 |
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| Cheapest return ticket price | £114 |
| Off-season travel month | April |
| Peak season for travel | June |
| Flight distance | 2,368.31km |
| Average flight time | 4 hours 36 minutes |
| Popular airline | Jetblue Airways |
Find the best time to fly from Denver to Washington D.C.
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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
FAQ
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When are flight tickets from Denver (DEN) to Washington D.C. (WAS) the cheapest?
Airlines adjust prices for flights from Denver to Washington D.C. based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much are flights from Denver (DEN) to Washington D.C. (WAS) cost?
According to Trip.com's data, the lowest price is around £202. -
How long is the flight from Denver (DEN) to Washington D.C. (WAS)?
It takes about 4 hours 36 minutes to fly from Denver (DEN) to Washington D.C. (WAS). -
What are the most popular airlines that fly from Denver (DEN) to Washington D.C. (WAS)?
Airlines with flights from Denver (DEN) to Washington D.C. (WAS): United Airlines, Southwest Airlines, Copa Airlines and Air Canada. -
How many airports in Washington D.C. (WAS)?
There are 2 airport(s) in Washington D.C. (WAS): Ronald Reagan Washington National Airport and Dulles International Airport.
How to find a cheap flight from Denver to Washington D.C.
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Denver to Washington D.C.. Book your flights at the right time and save more.
Be flexible with your travel dates to get the cheapest flight from Denver to Washington D.C..
Simply tap "Date" on the flight search bar to browse through the calendar and check out airfare from Denver to Washington D.C. over the next 6 months in 2025. If you're planning to fly within the next three months, it looks like the most affordable option is on Tue, Jul 1, with one-way flights priced at just £55.
Compare cheap flight deals from Denver to Washington D.C. across hundreds of airlines.
With our extensive search, you can compare prices from over 500 airlines to find the cheapest flight tickets from Denver to Washington D.C.. The cheapest airline for this route is Southwest Airlines.
Set up a Price Alert
By setting up a Price Alert for your journey from Denver to Washington D.C., you can easily keep an eye on ticket prices without having to check every day.
Don't miss out on cheap flight deals and promo codes from Denver to Washington D.C..
You can always find the latest offers through Trip.com Deals and Promo Codes for cheap flights. By signing up for a free membership, you'll get access to even more deals for your flights.
Book early or wait until the last minute.
It's usually best to book early. Flight tickets are often cheapest when they're first released, typically about a year before the departure date. So, have a look online as soon as the flights you're interested in become available. If you miss the cheapest time, you might still find some good deals as the departure date gets closer.
Search for flights on the go.
For the best travel flight booking experience, download the Trip.com app. You can search for cheap flights from Denver to Washington D.C. and snag some exclusive deals just for you.
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