Vuelos de United de Denver (DEN) a Washington (IAD) desde $105

For info on any present Dulles Intl. Airport quarantine requirements and travel advice, go to the Covid-19 Travel Advisor. Look before you book your flight, so you don’t get caught up en route.

Usually, flights set off from the main terminal at DIA airport if you’ve booked a seat with United Airlines. On your way to IAD? Contact your airline (or do some research online) to see exactly which terminal you’ll be disembarking at.

You’ll be pleased to hear you can go straight from DEN to Dulles Intl. Airport with United Airlines and escape the hassles of layovers. The less time you spend waiting around in the airport, the more time you’ll have for new experiences.

Indulge in some in-flight shut-eye and touch down at your destination raring to go. You’ll have plenty of time to do so when traveling with United Airlines between DEN and IAD, with the flight taking around 4 hours and 13 minutes.

Traveling with United Airlines from DEN to IAD? The Boeing 737-800 and the Boeing 737-900 are the two aircraft models that generally operate on this air route.

When heading from DEN to IAD, there are about 7 United Airlines daily flights to select from.

For more info about changing your flight to IAD, please visit our Customer Service Portal.

This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, 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.

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 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.