€103 Cheap Flights Denver to Washington (DEN-IAD)

View €103 flight on Thu, 8 Jan 2026Opens in a new window

Popular airlines from Denver Intl. Airport (DEN) to Washington Dulles Intl. Airport (IAD)

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Cheap flights from Denver to Washington (DEN-IAD)

Prices were available within the past 7 days and start at €103 for one-way flights and €188 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, 8 Jan - Wed, 14 Jan
DEN
Denver
IAD
Washington
€188 Return, found 4 hours ago
€188
Return
found 4 hours ago
Select American Airlines flight, departing Thu, 8 Jan from Denver to Washington, returning Wed, 14 Jan, priced at €188 found 4 hours ago
Delta
Thu, 8 Jan - Wed, 14 Jan
DEN
Denver
IAD
Washington
€196 Return, found 4 hours ago
€196
Return
found 4 hours ago
Select Delta flight, departing Thu, 8 Jan from Denver to Washington, returning Wed, 14 Jan, priced at €196 found 4 hours ago
Delta
Thu, 8 Jan - Wed, 14 Jan
DEN
Denver
IAD
Washington
€214 Return, found 4 hours ago
€214
Return
found 4 hours ago
Select Delta flight, departing Thu, 8 Jan from Denver to Washington, returning Wed, 14 Jan, priced at €214 found 4 hours ago
United
Thu, 8 Jan - Wed, 14 Jan
DEN
Denver
IAD
Washington
€222 Return, found 4 hours ago
€222
Return
found 4 hours ago
Select United flight, departing Thu, 8 Jan from Denver to Washington, returning Wed, 14 Jan, priced at €222 found 4 hours ago
Delta
Thu, 8 Jan - Wed, 14 Jan
DEN
Denver
IAD
Washington
€231 Return, found 4 hours ago
€231
Return
found 4 hours ago
Select Delta flight, departing Thu, 8 Jan from Denver to Washington, returning Wed, 14 Jan, priced at €231 found 4 hours ago
United
Thu, 8 Jan - Wed, 14 Jan
DEN
Denver
IAD
Washington
€240 Return, found 4 hours ago
€240
Return
found 4 hours ago
Select United flight, departing Thu, 8 Jan from Denver to Washington, returning Wed, 14 Jan, priced at €240 found 4 hours ago
United
Thu, 8 Jan - Wed, 14 Jan
DEN
Denver
IAD
Washington
€240 Return, found 4 hours ago
€240
Return
found 4 hours ago
Select United flight, departing Thu, 8 Jan from Denver to Washington, returning Wed, 14 Jan, priced at €240 found 4 hours ago
Delta
Thu, 8 Jan - Wed, 14 Jan
DEN
Denver
IAD
Washington
€248 Return, found 4 hours ago
€248
Return
found 4 hours ago
Select Delta flight, departing Thu, 8 Jan from Denver to Washington, returning Wed, 14 Jan, priced at €248 found 4 hours ago
American Airlines
Thu, 8 Jan - Wed, 14 Jan
DEN
Denver
IAD
Washington
€257 Return, found 4 hours ago
€257
Return
found 4 hours ago
Select American Airlines flight, departing Thu, 8 Jan from Denver to Washington, returning Wed, 14 Jan, priced at €257 found 4 hours ago
Delta
Thu, 8 Jan - Wed, 14 Jan
DEN
Denver
IAD
Washington
€258 Return, found 4 hours ago
€258
Return
found 4 hours ago
Select Delta flight, departing Thu, 8 Jan from Denver to Washington, returning Wed, 14 Jan, priced at €258 found 4 hours ago

Find the cheapest month to fly from Denver (DEN) to Washington (IAD)

April is typically the cheapest month to fly

From €104 - €342 per traveller.
Denver to Washington route information
Origin airport
Denver Intl.
Destination airport
Washington Dulles Intl.
Return price
€187
Distance
2318 km
Average flight time
5 hours 15 mins

Perfect flights from Denver to Washington

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Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Denver Intl. to Washington Dulles Intl. ticket options cater to your travel preferences, with incredible one-way fares from €103 and roundtrip prices from €188. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Washington Dulles Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Washington.

Frequently asked questions

How much is a flight from Denver Airport to Washington Dulles Intl. Airport (IAD)?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price advertised for a round-trip flight between Denver Intl. Airport (DEN) and Washington Dulles Intl. Airport (IAD) was €188. Cheap tickets don't hang around forever, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from DEN to Washington Dulles Intl. Airport (IAD)?
We understand that life can throw the odd curveball, so we've made it as easy as possible for you to cancel your flight online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from Denver Intl. Airport (DEN) to Washington Dulles Intl. Airport (IAD) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Denver Airport to IAD flights, you'll see a "no change fees" filter for you to select.
How far is the flight from DIA airport to Dulles Intl. Airport?
The flight distance from Denver Airport to Dulles Intl. Airport is 2,300 kilometres. Bring a drink, a snack and a few good podcasts. Keep yourself occupied and time will zip by.
Which airlines fly direct from DEN to Dulles Intl. Airport?
United Airlines (UA) is a popular choice. It offers 182 flights from Denver Intl. Airport (DEN) to IAD each month. If you're eager for more options, check out the ticket prices from Southwest Airlines (WN). This airlines operates 56 flights every month between these airports.
Are DEN to IAD flight tickets cheaper when they're purchased at the last minute?
It is possible to score a fantastic last-minute deal from Denver Airport to Dulles Intl. Airport, but it's also possible to miss out altogether! As many airlines advertise prices up to 12 months in advance, it's worthwhile keeping an eye on fares early and being ready to pounce when you see a bargain. Expedia compares air carrier prices and updates flight deals all the time, so you can rest assured you're always seeing the latest offers.

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