Cheap flights from Rome Fiumicino Airport to Washington, D.C. from $351

The month of July is, on average, the cheapest month to fly to Washington, D.C. from Rome Fiumicino Airport, with most prices found around $268. If you’re not able to fly to Washington, D.C. in July, then August is your next best option. Flight prices from Rome Fiumicino Airport to Washington, D.C. during August average around $421.

On average, the least expensive day to fly to Washington, D.C. from Rome Fiumicino Airport is on a Thursday. momondo users have found tickets for Thursday departures for as low as $708. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Rome Fiumicino Airport to Washington, D.C. for around $849.

In the afternoon is the cheapest time of day to fly from Rome Fiumicino Airport to Washington, D.C. when you can find flight prices for as low as $771. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $794. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Rome Fiumicino to Washington, D.C. Dulles Intl for the best Rome Fiumicino - Washington, D.C. flight prices

You are more likely to see cheaper flights to Washington, D.C. from Rome Fiumicino Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $806 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Rome Fiumicino Airport for as low as $569 on momondo.

You could potentially save up to 3% on your flight if you consider stops on a Rome Fiumicino Airport to Washington, D.C. flight.

As of April 2026, prices for Rome Fiumicino Airport to Washington, D.C. flights are approximately 25% more expensive when compared to flights at the same time last year.

Historically, on average around 25% of flights between Rome and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 156 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 21% of their flights experiencing any sort of delay.

London (LHR) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Flights via Munich (MUC) offer the lowest average round-trip price of $867.

Flights connecting via London (LHR) have the shortest average one-way travel time: 13h 30m.

London (LHR) has the shortest average layover time for this route: 1h 55m.

As of April 2026, 7 flights take off from Rome Fiumicino Airport and land in Washington, D.C. each day. The most common flight departure time for this route is 10:00AM, with 71% of daily flights taking off at noon.

As of April 2026, 54 flights take off from Rome Fiumicino Airport and land in Washington, D.C. each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.