Cheap flights from Washington, D.C. Dulles Intl Airport to Rome from $476

The cheapest month to fly to Rome Fiumicino Airport from Washington, D.C. Dulles Intl Airport is in March. Flight prices, which tend to average around $666, are often lower during this time because this is during the off-season. If you aren’t able to travel to Rome Fiumicino Airport during the month of March, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $749.

Our data shows that Tuesday is the least expensive day to fly to Rome Fiumicino Airport. Tickets to fly out on this day can be as low as $832. The most expensive day to fly to Rome Fiumicino Airport is Wednesday, with ticket prices averaging around $1,015.

According to our data, the cheapest time of day to fly to Rome Fiumicino Airport is in the afternoon. momondo users have found flights departing from Washington, D.C. Dulles Intl Airport to Rome Fiumicino Airport in the afternoon for as low as $881. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $1,068.

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

You are more likely to see cheaper flights to Rome Fiumicino Airport from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Rome Fiumicino Airport for around $843 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Rome Fiumicino Airport from Washington, D.C. Dulles Intl Airport for as low as $730 on momondo.

There are 4 cabin classes available to choose from on Washington, D.C. Dulles Intl to Rome Fiumicino 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 17% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Rome Fiumicino Airport flight.

As of March 2026, prices for Washington, D.C. Dulles Intl Airport to Rome Fiumicino Airport flights are approximately 1% cheaper when compared to flights at the same time last year.

United Airlines and KLM are the most popular carriers operating from Washington, D.C. Dulles Intl to Rome Fiumicino

ITA Airways, United Airlines and TAP AIR PORTUGAL are the top three most popular airlines that fly to Rome Fiumicino Airport from Washington, D.C. Dulles Intl Airport according to our data. ITA Airways is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Rome Fiumicino Airport. Keep in mind that there are 14 different airlines that fly to Rome Fiumicino Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 32% of flights between Washington, D.C. and Rome have experienced a delay on any given week. The average delay length over the past 12 months has been 176 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.

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday 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 31% 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 Casablanca (CMN) offer the lowest average round-trip price of $542.

Flights connecting via Paris (CDG) have the shortest average one-way travel time: 11h 15m.

Reykjavik (KEF) has the shortest average layover time for this route: 1h 25m.

As of March 2026, there are 6 flights per day flying from Washington, D.C. Dulles Intl Airport to Rome Fiumicino Airport. The most common time of day flights depart is 5:00PM, with 100% of flights taking off in the afternoon.

42 flights are operational weekly from Washington, D.C. Dulles Intl Airport to Rome Fiumicino Airport as of March 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.