Skyscanner home

Cheap Flights from Washington D.C. (WASA) to Denver (DENA)

Compare Washington D.C. to Denver flight deals

Find the cheapest month or even day of the year to fly to Denver

Book the best Denver fare with no extra fees

Flight deals from Washington D.C. to Denver

Looking for a cheap last-minute deal or the best return flight from Washington D.C. to Denver? If you want to travel next month, return fares start from £64. Find the lowest prices on one-way and return tickets right here.
Denver.£64 per passenger.Departing Wed, 15 Apr, returning Wed, 22 Apr.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Washington Ronald Reagan on Wed, 15 Apr, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Wed, 22 Apr, arriving in Washington Ronald Reagan.Price includes taxes and charges.From £64, select.
Denver.£66 per passenger.Departing Sat, 2 May, returning Tue, 5 May.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Washington Ronald Reagan on Sat, 2 May, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Tue, 5 May, arriving in Washington Ronald Reagan.Price includes taxes and charges.From £66, select.
Denver.£81 per passenger.Departing Tue, 28 Apr, returning Mon, 4 May.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Washington Ronald Reagan on Tue, 28 Apr, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Mon, 4 May, arriving in Washington Ronald Reagan.Price includes taxes and charges.From £81, select.
Denver.£139 per passenger.Departing Tue, 31 Mar, returning Fri, 10 Apr.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Washington Ronald Reagan on Tue, 31 Mar, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Fri, 10 Apr, arriving in Washington Ronald Reagan.Price includes taxes and charges.From £139, select.
Denver.£142 per passenger.Departing Thu, 28 May, returning Mon, 1 Jun.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Thu, 28 May, arriving in Denver International.Inbound indirect flight with Frontier Airlines, departs from Denver International on Mon, 1 Jun, arriving in Baltimore Washington International.Price includes taxes and charges.From £142, select.
Denver.£154 per passenger.Departing Sat, 14 Mar, returning Wed, 18 Mar.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Washington Ronald Reagan on Sat, 14 Mar, arriving in Denver International.Inbound indirect flight with Frontier Airlines, departs from Denver International on Wed, 18 Mar, arriving in Washington Dulles.Price includes taxes and charges.From £154, select.
Denver.£167 per passenger.Departing Wed, 27 May, returning Wed, 3 Jun.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Washington Ronald Reagan on Wed, 27 May, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Wed, 3 Jun, arriving in Washington Ronald Reagan.Price includes taxes and charges.From £167, select.
Denver.£169 per passenger.Departing Wed, 11 Mar, returning Fri, 20 Mar.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Washington Ronald Reagan on Wed, 11 Mar, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Fri, 20 Mar, arriving in Washington Ronald Reagan.Price includes taxes and charges.From £169, select.
Denver.£172 per passenger.Departing Thu, 23 Apr, returning Sun, 26 Jul.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Washington Ronald Reagan on Thu, 23 Apr, arriving in Denver International.Inbound indirect flight with Frontier Airlines, departs from Denver International on Sun, 26 Jul, arriving in Baltimore Washington International.Price includes taxes and charges.From £172, select.
Denver.£174 per passenger.Departing Tue, 2 Jun, returning Fri, 5 Jun.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Tue, 2 Jun, arriving in Denver International.Inbound indirect flight with Frontier Airlines, departs from Denver International on Fri, 5 Jun, arriving in Baltimore Washington International.Price includes taxes and charges.From £174, select.
Denver.£185 per passenger.Departing Sat, 15 Aug, returning Tue, 18 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Sat, 15 Aug, arriving in Denver International.Inbound indirect flight with Frontier Airlines, departs from Denver International on Tue, 18 Aug, arriving in Baltimore Washington International.Price includes taxes and charges.From £185, select.
Denver.£197 per passenger.Departing Thu, 4 Jun, returning Wed, 10 Jun.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Washington Ronald Reagan on Thu, 4 Jun, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Wed, 10 Jun, arriving in Washington Ronald Reagan.Price includes taxes and charges.From £197, select.
Denver.£199 per passenger.Departing Tue, 28 Jul, returning Thu, 6 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Tue, 28 Jul, arriving in Denver International.Inbound indirect flight with Frontier Airlines, departs from Denver International on Thu, 6 Aug, arriving in Baltimore Washington International.Price includes taxes and charges.From £199, select.
Denver.£201 per passenger.Departing Thu, 16 Jul, returning Tue, 21 Jul.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Thu, 16 Jul, arriving in Denver International.Inbound indirect flight with Frontier Airlines, departs from Denver International on Tue, 21 Jul, arriving in Baltimore Washington International.Price includes taxes and charges.From £201, select.
Denver.£230 per passenger.Departing Mon, 29 Jun, returning Sun, 12 Jul.Return flight with Allegiant Air.Outbound indirect flight with Allegiant Air, departs from Washington Dulles on Mon, 29 Jun, arriving in Denver International.Inbound indirect flight with Allegiant Air, departs from Denver International on Sun, 12 Jul, arriving in Washington Dulles.Price includes taxes and charges.From £230, select.
Denver.£240 per passenger.Departing Mon, 17 Aug, returning Thu, 20 Aug.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Washington Ronald Reagan on Mon, 17 Aug, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Thu, 20 Aug, arriving in Washington Ronald Reagan.Price includes taxes and charges.From £240, select.

Find the cheapest month to fly from Washington D.C. to Denver

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington D.C. to Denver flights are currently cheapest in April.
Mar
from £154
Apr
from £64
May
from £66
Jun
from £174
Jul
from £201
Aug
from £185
Sep
from £247
Oct
from £277
Nov
from £273
Dec
from £288
Jan
Find prices
Feb
Find prices

Direct flights from Washington D.C. to Denver

Alternative Washington D.C. to Denver routes

Looking for the cheapest, fastest or easiest route from Washington D.C. to Denver? You could fly into the following airports instead.

Denver Arapahoe Co

0 miles from central Denver
Closest
Search flights

Broomfield

14 miles from central Denver
Search flights

Denver International

19 miles from central Denver
Cheapest
from £64
Search flights

Northern Colorado Regional

49 miles from central Denver
Search flights

Washington D.C. to Denver: Flight information

The things to know before you go.
Cheapest flight found£64
Cheapest month to flyApril
Average flight time4 hrs, 4 mins
Most popular airlineSouthwest Airlines
Average flights per week316

Check out these Denver hotels

Ready to plan your stay? Other travellers rate these Denver hotels for cleanliness, service and location.
Residence Inn Denver City Center
0.71 miles from city centre
£383
Per night
Urban Cowboy Denver
0.31 miles from city centre
£271
Per night
BIG Little Hotel
0.38 miles from city centre
£250
Per night
Residence Inn Denver City Center
0.71 miles from city centre
£383
Per night
Urban Cowboy Denver
0.31 miles from city centre
£271
Per night
BIG Little Hotel
0.38 miles from city centre
£250
Per night
Explore top-rated hotels

Finding cheap flights from Washington D.C. to Denver: Frequently asked questions

There are 4 airports in Denver: Denver Arapahoe Co, Broomfield, Denver International, and Northern Colorado Regional.
The best price we found for a return flight from Washington D.C. to Denver is £64. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
4 hours and 4 minutes is the average flight time from Washington D.C. to Denver.
Southwest Airlines, United and Copa fly direct from Washington D.C. to Denver.
As of March 2026, there are 301 flights per week flying from Washington D.C. to Denver.
The cheapest month to fly from Washington D.C. to Denver is usually April.
If you're flying from Washington D.C., the cheapest airport near Denver is Denver International – which is 18.6 miles away from the centre of Denver. We've found flights into this airport from £64.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington D.C. to Denver on Wednesday, 15 April 2026.
Yes – the average flight time is 4 hours and 4 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Denver but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Denver is around 40 days in advance, so don’t leave your flight to the last minute.
In March, the average temperature is usually around 4°C. July is typically the warmest month in Denver, when it usually averages around 31°C. You can expect the least rain in January. The coldest month is December, with temperatures averaging -6°C. The rainiest month is July.
The cheapest airline that flies to Denver is Frontier Airlines .

Travelling from Washington DC to Denver: what you need to know

  • Embark on your next adventure from one of Washington DC's main airports, Ronald Reagan National Airport (DCA) or Washington Dulles International Airport (IAD). Explore your options for booking a flight from Washington DC to Denver taking off from either of these bases.

  • Denver International Airport (DEN) is where your flight will arrive in Denver.

  • Around 4 hours is how long you can expect to be in the air on a direct Washington DC to Denver flight.

  • Denver is two hours behind Washington DC and observes the UTC-6 timezone.

  • Ronald Reagan National Airport (DCA) to Denver International Airport (DEN) is the most traveled route that connects these two cities. There are 15 weekly departures to pick from. If you have things to do before leaving, the last flight from Washington DC to Denver is with Frontier Airlines at 18:00. Opt for the first DCA to DEN departure operated by Frontier Airlines at 07:00 to fit in more activities on your first day in Denver.

  • For a relaxed travel experience, turn up at the airport two hours ahead of international flights and one hour before domestic departures. That way, you won't have to rush to catch your Washington DC to Denver flight.

  • During popular months like July, you'll want to get to the airport earlier than normal. Arrive two hours before domestic departures and four hours ahead for international flights whenever you're flying during a peak period in general.

How to find the cheapest flights from Washington DC to Denver

  • £32 is the lowest price for a one-way ticket from Washington DC to Denver. Return flights start from £64. These prices can change depending on demand.

  • Book three months before you want to fly. Pricing trends suggest that this is the ideal window for finding cheap Washington DC to Denver flights.

  • June is the best month for scoring an awesome deal on a plane ticket from Washington DC to Denver. If you need to travel at a different time of year, the 'Whole month' tool will show you the lowest prices across every month.

  • Save time looking for cheap flights from Washington DC to Denver by setting up a Price Alert. You'll get an email or notification on the app when a lower fare pops up.

  • Tailor your travel plans using filters. Choose your preferred departure and arrival times, total journey duration and airlines. You can also sort the results by 'Fastest,' 'Cheapest' or 'Best' Washington DC to Denver flights.

Flying from Washington DC

Ronald Reagan National Airport (DCA)

  • Set off from Ronald Reagan National Airport (DCA) on a nonstop flight from Washington DC to Denver. From DCA, you can fly directly to Denver International Airport (DEN).

  • Secure your Washington DC to Denver plane tickets with Frontier Airlines. This airline is a popular option for direct flights from DCA.

  • The journey from central Washington DC to DCA takes around 45 minutes on public transport. If you ride-share, drive or get a cab, you'll cover the 6 kms (4 miles) in 15 minutes or so, depending on traffic.

  • Searching for a handy hotel near Ronald Reagan National Airport? If you're catching an early flight from Washington DC to Denver, these stays will put you moments from check-in:

  • 76.44% of flights that depart Ronald Reagan National Airport reach their destination on time.

  • The address for DCA is 1 Aviation Circle.

Washington Dulles International Airport (IAD)

  • Prefer to fly from Washington Dulles International Airport (IAD)? This hub offers direct flights from Washington DC to Denver, seamlessly connecting you to Denver International Airport (DEN).

  • United Airlines offers direct Washington DC to Denver plane tickets from IAD. Book your favourite seat and get to your destination in one go.

  • IAD is around 40 kms (25 miles) from central Washington DC. It'll take 50 minutes or so to get to the airport driving from the city centre. Public transport takes roughly 1 hour 10 minutes.

  • Get a head start on your holiday with an extra night away from home. Before your flight from Washington DC to Denver, unwind in one of these hotels close to Washington Dulles International Airport:

  • 74% of flights leaving Washington Dulles International Airport meet their expected arrival time.

  • IAD is located at 1 Saarinen Circle.

Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • Baltimore/Wash International Thurgood Marshall Airport (BWI) offers convenient direct flights from Washington DC to Denver. Your trip from BWI will have you touching down at Denver International Airport (DEN).

  • Select your preferred airline and then get ready for takeoff. These carriers offer direct Washington DC to Denver plane tickets from BWI:

  • The journey time to BWI from central Washington DC is around 1 hour 30 minutes by public transport. If you're in a car, it'll take you roughly 50 minutes to cover the 40 kms (25 miles) or so.

  • Sleep a little longer, move a little slower, and still make your Washington DC to Denver flight without having to rush. These hotels near Baltimore/Wash International Thurgood Marshall Airport make departure day a breeze if you're flying out early:

  • Flights that depart from BWI reach their destination within the scheduled time frame 77.13% of the time.

Arriving in Denver

Denver International Airport (DEN)

  • Denver International Airport (DEN) to central Denver takes about 35 minutes by car. The centre is roughly 29 kms (18 miles) away.

  • It usually takes 1 hour 30 minutes to get there when travelling by public transport.

  • Consider staying at The Westin Denver International Airport after your flight from Washington DC to Denver. It's a quick drive from DEN and a comfortable option if you want to rest right after your journey.

  • Get on the fast track to adventure by picking up a Denver International Airport rental car. Grab your wheels from Routes Car Rentals, Dollar or Budget and explore beyond Denver's main sights.

  • For the best deal, reserve your ride from Denver International Airport about one week in advance of your Washington DC to Denver flight.

  • The street address for DEN is 8500 Pena Boulevard.

Best time to go to Denver

  • July is the busiest month for flights from Washington DC to Denver. To travel when it's less crowded, visit Denver in April.

  • Lock in a Washington DC to Denver ticket departing in July if you want to experience the city during its warmest month. You can expect temperatures in Denver to range from 14ºC (57ºF) to 32ºC (90ºF).

  • If you like cooler conditions, search for a cheap flight from Washington DC to Denver in January when temperatures average between -9ºC (16ºF) and 7ºC (45ºF).

More about Denver

Explore more of United States

  • You've done Denver, now it's time to discover more of United States. Journey around 65 miles south to Colorado Springs to check off its leading sights. From US Northern Command (USNORTHCOM) / North American Aerospace Defence Command (NORAD) Headquarters to Cheyenne Mountain Air Force Station and National Strength and Conditioning Association (NSCA), there's plenty to keep you on the go.

  • Around 8 miles east of Denver, Aurora is another favourite stop in United States. Get a taste of what this destination has to offer at Magellan's Travel Solutions and Gear, The Fairways at Lowry and Retired Enlisted Association Inc.

Plan the rest of your trip from Washington D.C. to Denver

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.