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Cheap Flights from Denver International to Washington D.C.

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Compare Denver International to Washington D.C. flight deals

Find the cheapest month or even day of the year to fly to Washington D.C.

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Flight deals from Denver International to Washington D.C.

Looking for a cheap last-minute deal or the best return flight from Denver International to Washington D.C.? Find the lowest prices on one-way and return tickets right here.
Washington D.C..R 1,440 per passenger.Departing Tue, 19 Aug.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Tue, 19 Aug, arriving in Washington Ronald Reagan.Price includes taxes and charges.From R 1,440, select.
Washington D.C..R 1,440 per passenger.Departing Wed, 10 Sep.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Wed, 10 Sep, arriving in Washington Ronald Reagan.Price includes taxes and charges.From R 1,440, select.
Washington D.C..R 1,455 per passenger.Departing Sat, 19 Jul.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Sat, 19 Jul, arriving in Baltimore Washington International.Price includes taxes and charges.From R 1,455, select.
Washington D.C..R 1,527 per passenger.Departing Tue, 7 Oct.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Tue, 7 Oct, arriving in Washington Ronald Reagan.Price includes taxes and charges.From R 1,527, select.
Washington D.C..R 1,527 per passenger.Departing Wed, 12 Nov.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Wed, 12 Nov, arriving in Washington Ronald Reagan.Price includes taxes and charges.From R 1,527, select.
Washington D.C..R 1,584 per passenger.Departing Fri, 20 Jun.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Denver International on Fri, 20 Jun, arriving in Washington Dulles.Price includes taxes and charges.From R 1,584, select.
Washington D.C..R 1,602 per passenger.Departing Wed, 11 Jun.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Wed, 11 Jun, arriving in Washington Ronald Reagan.Price includes taxes and charges.From R 1,602, select.
Washington D.C..R 1,606 per passenger.Departing Sat, 31 May.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Sat, 31 May, arriving in Washington Ronald Reagan.Price includes taxes and charges.From R 1,606, select.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Denver International to Washington D.C. flights are currently cheapest in August.
May
from R 1,606
Jun
from R 1,584
Jul
from R 1,455
Aug
from R 1,440
Sep
from R 1,440
Oct
from R 1,527
Nov
from R 1,527
Dec
from R 2,591
Jan
from R 4,452
Feb
Find prices
Mar
Find prices
Apr
Find prices

Direct flights from Denver International to Washington D.C.

Alternative Denver International to Washington D.C. routes

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

Denver to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight foundR 1,440
Cheapest month to flyAugust
Average flight time3 hrs, 25 mins
Most popular airlineSouthwest Airlines
Average flights per week266

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

There are 5 airports in Washington D.C.: Washington Ronald Reagan, Camp Springs Andrews AFB, Washington Dulles, Baltimore Washington International, and Manassas.
The best price we found for a return flight from Denver International to Washington D.C. is R 2,929. 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.
3 hours and 24 minutes is the average flight time from Denver International to Washington D.C..
Southwest Airlines, United and Copa fly direct from Denver International to Washington D.C..
As of May 2025, there are 266 flights per week flying from Denver International to Washington D.C..
The cheapest month to fly from Denver International to Washington D.C. is usually May 2025.
If you're flying from Denver International Airport, the cheapest airport near Washington D.C. is Baltimore Washington International – which is 43.6 km away from the centre of Washington D.C.. We've found flights into this airport from R 2,929.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Denver International Airport to Washington D.C. on Friday, 4 July 2025.
Yes – the average flight time is 3 hours and 24 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 Washington D.C. 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 Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 17°C. July is typically the warmest month in Washington D.C., when it usually averages around 31°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -4°C. The rainiest month is September.
Currently, Frontier Airlines offers the cheapest flight tickets to Washington D.C..

Flying from Denver International Airport (DEN) to Washington DC: what you need to know

  • Around 4 hours 5 minutes is how long you can expect to be in the air on a direct flight from Denver International Airport to Washington DC.

  • Washington DC is two hours ahead of Denver, where Denver International Airport is located. Washington DC follows the UTC-4 timezone.

  • Denver International Airport (DEN) to Washington Dulles International Airport (IAD) is the most popular route, with 62 departures a week to choose from. If you have things to finalize before heading off, the last flight from DEN to IAD is with United Airlines at 23:59. Go for the first departure operated by United Airlines at 06:00 if you want to get on your way earlier.

  • For stress-free travel, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This will give you enough time to catch your DEN to Washington DC flight.

  • If you're travelling during a bank holiday or another peak period, allow extra time. A good general rule is two hours before domestic flights and up to four hours before international departures. Queues at security and check-in will be longer.

  • Start your trip at DEN and head straight to Washington DC without any layovers. When booking a direct Denver International Airport to Washington DC ticket, these are your landing options:

    • Ronald Reagan National Airport (DCA)

    • Washington Dulles International Airport (IAD)

    • Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • You'll find a variety of carriers that operate direct flights from Denver International Airport to Washington DC, such as:

  • Travelling from central Denver to DEN takes about 1 hour 30 minutes on public transport. If you ride-share, drive or get a cab, you'll cover the 31 kilometres in 35 minutes or so, depending on traffic.

  • In search of a convenient place to stay before your flight from Denver International Airport to Washington DC? Consider The Westin Denver International Airport. Enjoy a good night's rest here before heading to DEN.

  • 80.23% of flights departing from Denver International Airport land at their destination according to schedule. With its strong on-time performance, you're unlikely to be delayed when flying out of DEN.

  • DEN's address is 8500 Pena Boulevard.

How to find the cheapest flights from Denver International Airport (DEN) to Washington DC

  • R 1,440 is the cheapest price we've found for a one-way Denver International Airport to Washington DC flight. A return ticket right now is R 2,929. Depending on when you want to go and the availability, these fares could change.

  • Booking in advance is often the key to finding a cheap flight from DEN to Washington DC. Airlines adjust prices based on demand, so the closer your departure date, the more expensive your ticket may be.

  • The 'Whole month' tool will show you the cheapest tickets from Denver International Airport to Washington DC throughout the month. It's a good way to snap up a bargain if your dates aren't set in stone.

  • Locking in a cheap flight from DEN to Washington DC couldn't be easier with Price Alerts. Simply create one of these automatic notifications and we'll let you know when a lower fare pops up.

  • Find an affordable flight from Denver International Airport to Washington DC with the help of our filters. Choose your ideal times, airlines and number of stops, then sort the results by 'Cheapest' to see the best deals.

Airports in Washington DC

Ronald Reagan National Airport (DCA)

  • Ronald Reagan National Airport (DCA) is around 8 kilometres from central Washington DC. If you're grabbing a cab or a ride-share, the drive takes roughly 15 minutes.

  • Travelling by public transport will take you around 45 minutes.

  • Consider booking a hotel near DCA if you're coming in on a late flight from Denver International Airport to Washington DC. Select one of these accommodation options and make arrival day easier:

  • Grab a Ronald Reagan National Airport rental car and explore Washington DC and beyond with your own set of wheels. Thrifty, Sixt and Dollar are popular outlets to choose from here.

  • Secure the lowest price by reserving your ride from Ronald Reagan National Airport around four weeks in advance of your flight from DEN to Washington DC.

  • The street address for DCA is 1 Aviation Circle.

Washington Dulles International Airport (IAD)

  • The centre of Washington DC is about 56 kilometres from Washington Dulles International Airport (IAD). After your flight from Denver International Airport to Washington DC has landed and you've made your way through the terminal, the drive should take about 50 minutes.

  • If you travel by public transport, the ride to the centre takes 1 hour 10 minutes or so.

  • After stepping off your DEN to Washington DC flight, unwind at a hotel near IAD. These are some great options that'll help you get into relaxation mode:

  • The fastest way to reach your destination is with a Washington Dulles International Airport rental car. Grab a set of wheels from Dollar, Thrifty or Sixt and get going in the blink of an eye.

  • Call dibs on the best options. Securing your ride from IAD one week in advance often means lower prices and a wider choice of vehicles.

  • Washington Dulles International Airport can be found at 1 Saarinen Circle.

Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • Baltimore/Wash International Thurgood Marshall Airport (BWI) is about 48 kilometres from the centre of Washington DC. It'll take you about 50 minutes to reach the city centre in a cab or ride-share once you've stepped off your flight from Denver International Airport to Washington DC.

  • If you travel by public transport, the journey takes about 1 hour 30 minutes.

  • Choose a hotel close to BWI and get from baggage claim to bedtime in a flash. Whether you're arriving on a late DEN to Washington DC flight or just want a stress-free arrival, these accommodation options put comfort right within reach:

  • Begin your trip without stressing over how to get to your destination with a Baltimore/Wash International Thurgood Marshall Airport rental car. You can book with trusted suppliers here like Dollar, Thrifty and Budget.

  • If you're after a specific type of vehicle, book your ride from BWI about two weeks before your flight from Denver International Airport to Washington DC. This gives you a higher chance of getting the car you want, as well as a better price.

Best time to go to Washington DC

  • Carefully consider your trip dates before booking your flight from Denver International Airport to Washington DC. The city comes alive in peak season, but prices are often higher and top attractions can be busy. Plan your trip to Washington DC in the low season if you like a more relaxed vibe.

  • The warmest month in Washington DC is July, with temperatures ranging between 19ºC (66ºF) and 33ºC (91ºF). Book your Denver International Airport to Washington DC flight ticket then if you enjoy this type of weather.

  • If you like cooler conditions, look for a cheap ticket from DEN to Washington DC in January when temperatures average between -6ºC (21ºF) and 10ºC (50ºF).

More about Washington DC

Explore more of United States

  • New York is just one of the many places in United States waiting to be explored after you've seen Washington DC. Around 322 kilometres away to the north-east, its top attractions include Statue of Liberty, Central Park and Empire State Building.

  • If you're eager to discover another great destination in United States, head for Philadelphia, about 193 kilometres north-east of Washington DC. Liberty Bell, Independence Hall and Philadelphia Museum of Art are among the biggest draws.

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

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