Cheap flights from Rome Fiumicino Airport to Washington, D.C. from $433

In general, May is the cheapest month to fly from Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $655. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of May, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $664.

Our data shows that Thursday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $708. 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. Dulles Intl Airport for around $841.

Flying to Washington, D.C. Dulles Intl Airport from Rome Fiumicino Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $771 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $771 on average. Flights to Washington, D.C. Dulles Intl Airport from Rome Fiumicino Airport in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Rome Fiumicino Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $801 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Rome Fiumicino Airport for as low as $589 on momondo.

There are 3 cabin classes available to choose from on Rome Fiumicino to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 12% on your flight if you consider stops on a Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport flight.

As of March 2026, prices for Rome Fiumicino Airport to Washington, D.C. Dulles Intl Airport flights are approximately 24% cheaper 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 157 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 20% 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 March 2026, 3 flights take off from Rome Fiumicino Airport and land in Washington, D.C. Dulles Intl Airport each day. The most common flight departure time for this route is 11:00AM, with 76% of daily flights taking off at noon.

As of March 2026, 26 flights take off from Rome Fiumicino Airport and land in Washington, D.C. Dulles Intl Airport each week. The most common flight departure day for this route is Thu, with 46% of weekly flights taking off on this day.