Vuelos de United de Roma (FCO) a Washington (IAD) desde $1,440

For info on any current IAD quarantine requirements and travel advice, visit our Covid-19 Travel Advisor. Look before you book your flight, so you don’t get caught up en route.

Once you receive the boarding pass for your United Airlines flight from Fiumicino Airport to Dulles Intl. Airport, you should be able to see which terminals you’ll be jetting in and out of. Your carrier will have the answers if those details are missing from your ticket.

As you can’t fly nonstop from Fiumicino Airport to Dulles Intl. Airport with United Airlines, make the most of your layover. Sit down to a few refreshments at an inviting airport bar, or stroll around the terminal and indulge in some retail therapy.

Life is one long journey — and so is your trip from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Washington Dulles Intl. Airport (IAD) with United Airlines. Taking around 11 hours and 15 minutes, make sure you bring the basics like a pillow, a hoodie and your water bottle.

If you need to lock in a jaunt from FCO to IAD, you can choose from approximately 3 United Airlines flights daily.

For more info about changing your flight to Washington Dulles Intl. Airport (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.