Beginning of main content
Round Trip Icon
Trip Type
Flight 1
Flight 2
Flight 3
Flight 4
Flight 5
Due to coronavirus (COVID-19) travel advisories, some destinations may be unavailable for certain dates. Find out more.

Change your flight without a fee on select flights

Feel at ease with free flight cancellations within 24 hours of booking

Flights Fare Calendar Find minimum fare between Denver Intl. and Washington Dulles Intl. Click this button to get previous days data Click this button to get next days data $431 $369 $308 $246 $185 $123 $62 $0 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 1 2 3 4 5 6 7 8 9 10 11 12 13 14 S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M Price is $269 on United Price is $269 on Delta Price is $272 on United Price is $147 on United Price is $169 on American Airlines Price is $191 on American Airlines Price is $205 on Delta Price is $274 on Delta Price is $277 on United Price is $274 on Delta Price is $431 on Delta Price is $351 on United Price is $347 on United Price is $287 on Southwest Airlines Price is $414 on Delta Price is $347 on United Price is $347 on United Price is $340 on United Price is $260 on United Price is $197 on United Price is $428 on United Price is $290 on United Price is $317 on United Price is $198 on Southwest Airlines Price is $208 on United Price is $288 on United Price is $198 on Southwest Airlines Price is $412 on United Price is $351 on United

Amazing DEN to IAD Flight Deals

The cheapest flights to Washington Dulles Intl. found within the past 7 days were $156 round trip and $86 one way. Prices and availability subject to change. Additional terms may apply.

Flight Schedule for DEN to IAD

Carrier Flight Depart DEN Arrive IAD Sun
5/16
Mon
5/17
Tue
5/18
Wed
5/19
Thu
5/20
Fri
5/21
Sat
5/22
Stops
UA 2087 10:05 am 03:26 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
UA 257 11:30 am 04:50 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
UA 461 02:00 pm 07:15 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
UA 672 04:00 pm 09:17 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
UA 1581 06:15 pm 11:37 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)

Best Washington Dulles Intl. Flight and Hotel Packages

Washington Dulles Intl. flight + hotel packages - economy flights

FAQs about flights from Denver Intl. Airport (DEN) to Washington Dulles Intl. Airport (IAD)

Can I catch a flight from Denver, CO Airport (DEN-Denver Intl.) to Washington, DC Airport (IAD-Washington Dulles Intl.) right now?

Be sure to check out our Covid-19 Travel Advisor to learn if there are any current quarantine requirements or travel advice reports in place in Washington, DC Airport (IAD-Washington Dulles Intl.) when jet-setting from Denver, CO Airport (DEN-Denver Intl.).

If I am not able to travel due to COVID-19, can I change my booking to a later date?

For more info about changing your flight to Washington, DC Airport (IAD-Washington Dulles Intl.), please visit our Customer Service Portal.

What airlines fly from Denver Airport to Washington Dulles Intl. Airport (IAD)?

No airlines currently offer a direct flight between Denver, CO Airport (DEN-Denver Intl.) and IAD. Save time and avoid irritating layovers by exploring the most efficient routes in advance.

What is the best day to buy a plane ticket?

This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2020. Wednesday and Friday prices are also good, but you may want to prepare your budget if booking on a Sunday, as data shows the end of the week is when prices are generally at their highest.

What are the cheapest days to fly?

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2020, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

How far in advance can you book a flight?

Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2020 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 2 weeks to 2 months prior to their travel dates.

How can I save money on airline tickets?

We'll let you in on a secret...You can save big on flights if you mix and match your airlines and fare types. In fact, travelers who booked flights on Travelocity in 2020 saved nearly 40% when their return flights consisted of two different airlines or fare types.

*According to flight demand on Travelocity.com from January to December 2020. Savings are subject to change based on departure location, date and destination.

Denver Intl. to Washington Dulles Intl. Flight FAQ

Traveling FromDenver Intl.
Traveling ToWashington Dulles Intl.
Shortest Flight Time3 hours 15 mins
Earliest Departure Time10:05AM MDT
Latest Departure Time6:15PM MDT
Lowest Flight Price$156

Route Info

Flight path for flights from Denver International Airport to Washington Dulles International Airport


Distance:
1,457.00 miles


Airlines & Aircraft Used on DEN to IAD Flight Routes


Airline Carrier
Aircraft
United Airlines
Canadair Regional Jet

Popular Flight Routes from Denver (DEN)

Travelers at DEN love to visit these top cities. Roam to the top destinations from Denver (DEN) today with the cheap prices from Travelocity!

Popular Flight Routes from Washington (IAD)

Travelers at IAD love to visit these top cities. Roam to the top destinations from Washington(IAD) today with the cheap prices from Travelocity!

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.