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Amazing IAD to DEN Flight Deals

The cheapest flights to Denver Intl. found within the past 7 days were $98 round trip and $49 one way. Prices and availability subject to change. Additional terms may apply.

Flight Schedule for IAD to DEN

Carrier Flight Depart IAD Arrive DEN Sun
1/17
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1/18
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1/19
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Stops
UA 1228 08:00 am 10:07 am Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
UA 1439 11:05 am 01:07 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
UA 1240 04:20 pm 06:22 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
UA 1214 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)

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

Your next unforgettable adventure is on the opposite side of a single flight. You can fly direct from Washington, DC (IAD-Washington Dulles Intl.) to Denver, CO (DEN-Denver Intl.) with multiple airlines, including United Airlines and Southwest Airlines.

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 Denver, CO (DEN-Denver Intl.), please visit our Customer Service Portal.

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

With the flight from Washington, DC (IAD-Washington Dulles Intl.) to Denver, CO (DEN-Denver Intl.) taking around 4 hours and 28 minutes, you will have time to get things done in the air. Take advantage of the journey by bringing that novel you never have time to read, seeing what in-flight entertainment is on offer or having a decent nap. You may even find you can squeeze in all three before the plane lands.

What is the flight distance from Washington, DC (IAD-Washington Dulles Intl.) to Denver Airport?

With a flight distance of 1,616 mi separating Washington and Denver, you're going to be in the air for a reasonable amount of time. It's the perfect chance to get engrossed in a movie, get some work out of the way or just sit back with a few podcasts.

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

There are several airlines that advertise direct flights from Washington, DC (IAD-Washington Dulles Intl.) to Denver, CO (DEN-Denver Intl.). United Airlines (UA) is one of the most well-known, and operates approximately 157 flights every month. You may want to also check out the deals on offer from Southwest Airlines (WN). Another popular airline, it operates 66 flights monthly on the Washington to Denver route. Be sure to compare the two airlines to find your perfect fare.

What is the best day to buy a plane ticket?

This just in! Airfares offered on Tuesdays tend to be the cheapest, according to flight demand on Travelocity in 2019. Wednesday and Friday prices are also good, but you may want to prepare your budget if booking on a Monday, as data shows the start 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 2019, flights departing on a Tuesday 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 2019 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 1-2 weeks 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 2019 saved nearly 50% when their return flights consisted of two different airlines or fare types.

*According to flight demand on Travelocity.com from January to December 2019. 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 Time5:35AM MST
Latest Departure Time5:50PM MST
Lowest Flight Price$98

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)

Washington Dulles Intl. to Denver Intl. Flight FAQ

Traveling FromWashington Dulles Intl.
Traveling ToDenver Intl.
Shortest Flight Time0 hours 5 mins
Earliest Departure Time5:35AM MST
Latest Departure Time5:50PM MST
Lowest Flight Price$98

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.