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Flights Fare Calendar Find minimum fare between Washington Dulles Intl. and Denver 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 13 14 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 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 T W T F S Price is $419 on Delta Price is $250 on United Price is $232 on Delta Price is $221 on United Price is $169 on American Airlines Price is $189 on Delta Price is $284 on American Airlines Price is $230 on Delta Price is $226 on Delta Price is $169 on American Airlines Price is $191 on Delta Price is $318 on American Airlines Price is $431 on United Price is $357 on United Price is $277 on United Price is $277 on United Price is $277 on United Price is $197 on United Price is $197 on United Price is $237 on United Price is $227 on United Price is $198 on Southwest Airlines Price is $267 on United Price is $197 on United Price is $267 on United Price is $198 on Southwest Airlines Price is $337 on United Price is $267 on United Price is $297 on United

Amazing IAD to DEN Flight Deals

The cheapest flights to Denver Intl. found within the past 7 days were $147 round trip and $84 one way. Prices and availability subject to change. Additional terms may apply.

Flight Schedule for IAD to DEN

Carrier Flight Depart IAD Arrive DEN Fri
5/14
Sat
5/15
Sun
5/16
Mon
5/17
Tue
5/18
Wed
5/19
Thu
5/20
Stops
UA 1228 08:15 am 10:14 am Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
UA 351 10:40 am 12:39 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
UA 2074 12:30 pm 02:29 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
UA 1172 04:30 pm 06:29 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
UA 347 05:50 pm 07:52 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)

Best Denver Intl. Flight and Hotel Packages

Denver Intl. flight + hotel packages - economy flights

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

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

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

Are there direct flights from Washington, DC Airport (IAD-Washington Dulles Intl.) to Denver Airport?

Begin your adventure in the calmest way possible and jet straight to Denver, CO Airport (DEN-Denver Intl.) from Washington Dulles Intl. Airport (IAD). Southwest Airlines and United Airlines are among the airlines that have direct services on this route.

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 DEN, please visit our Customer Service Portal.

How long is the flight from Washington, DC Airport (IAD-Washington Dulles Intl.) to Denver, CO Airport (DEN-Denver Intl.)?

With the flight from Dulles Intl. Airport to DEN taking around 3 hours and 51 minutes, you'll have time to get a lot of things done in the air. Make good use of the trip by bringing that book you never have time to read, exploring the in-flight entertainment or catching up on some sleep. You might even be able to squeeze in all three before disembarking.

What is the flight distance from IAD to Denver, CO Airport (DEN-Denver Intl.)?

There's a flight distance of 1,429 mi separating Washington, DC Airport (IAD-Washington Dulles Intl.) and Denver, CO Airport (DEN-Denver Intl.). This is classified as a medium-haul flight. There'll be enough time to watch the in-flight entertainment and squeeze in a little sleep if you want to feel fresh on landing.

What airlines fly from Washington, DC Airport (IAD-Washington Dulles Intl.) to Denver Intl. Airport (DEN)?

If you'd rather fly direct from IAD to DIA airport, you won't have a problem finding a fare. Here are some of the most in-demand airlines that will get you to Denver without any fuss:

  • Southwest Airlines - (WN) with 145 flights every month
  • United Airlines - (UA) with 130 flights every month
  • United Airlines - (UA) with 130 flights every month
  • Southwest Airlines - (WN) with 145 flights every month
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.

Washington Dulles Intl. to Denver Intl. Flight FAQ

Traveling FromWashington Dulles Intl.
Traveling ToDenver Intl.
Shortest Flight Time0 hours 5 mins
Earliest Departure Time8:15AM MDT
Latest Departure Time5:50PM MDT
Lowest Flight Price$147

Route Info

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


Distance:
1,481.00 miles


Airlines & Aircraft Used on IAD to DEN Flight Routes


Airline Carrier
Aircraft
American Airlines
Boeing 737 all pax models
United Airlines
Avro RJ85 Avroliner
United Airlines
Canadair Regional Jet 200

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!

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!

*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.