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Amazing United IAD to DEN Flight Deals

The cheapest flights to Denver Intl. found within the past 7 days were $117 round trip and $59 one way. Prices and availability subject to change. Additional terms may apply.

DEN From IAD Economy Coach Packages on Similar Airlines


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UA 1228 08:30 am 10:24 am Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
UA 1439 11:00 am 12:57 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
UA 1772 02:30 pm 04:24 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
UA 1240 04:30 pm 06:24 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
UA 1214 05:50 pm 07:44 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)

FAQs about United Airlines Flights from IAD to DEN

What terminal is United Airlines at Washington, DC (IAD-Washington Dulles Intl.)?

If you're flying from Washington, DC (IAD-Washington Dulles Intl.) to Denver, CO (DEN-Denver Intl.), the odds are you'll be exiting the plane at the main terminal. We can't say for sure which terminal you'll be heading off from — it's a good idea to check with your airline.

Are there United Airlines non-stop flights from IAD to DEN?

You'll be happy to hear you can go direct from Washington, DC (IAD-Washington Dulles Intl.) to Denver, CO (DEN-Denver Intl.) with United Airlines and avoid time-consuming stopovers. The less time you spend waiting around in the airport, the more time you'll have for new experiences.

How long is an United Airlines flight from IAD to DEN?

Squeeze in an in-flight snooze and begin your getaway raring to go. You'll have ample time to do so when traveling with United Airlines between Washington, DC (IAD-Washington Dulles Intl.) and Denver, CO (DEN-Denver Intl.), with the flight taking on average 4 hours and 41 minutes.

What type of aircraft does United Airlines fly from IAD to DEN?

Planning a flight from IAD to DEN with United Airlines? On this route, you'll usually be climbing aboard either the Boeing 737-900 or the Boeing 777 type aircraft.

How many direct and indirect flights does United Airlines fly from IAD to DEN?

United Airlines currently operates no fewer than 5 flights every day from Washington, DC (IAD-Washington Dulles Intl.) to Denver, CO (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 Denver, CO (DEN-Denver Intl.), please visit our Customer Service Portal.

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.

*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.