Cheap flights from Rome to Washington, D.C. from $320

The month of February is, on average, the cheapest month to fly to Washington, D.C. from Rome, with most prices found around $546. If you’re not able to fly to Washington, D.C. in February, then September is your next best option. Flight prices from Rome to Washington, D.C. during September average around $599.

On average, the least expensive day to fly to Washington, D.C. from Rome is on a Saturday. momondo users have found tickets for Saturday departures for as low as $726. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Rome to Washington, D.C. for around $875.

In the afternoon is the cheapest time of day to fly from Rome to Washington, D.C. when you can find flight prices for as low as $756. 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 $780. 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 - Washington, D.C. flight prices

You are more likely to see cheaper flights to Washington, D.C. from Rome when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $790 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 for as low as $589 on momondo.

There are 3 cabin classes available to choose from on Rome to Washington, D.C. 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 21% on your flight if you consider stops on a Rome to Washington, D.C. flight.

As of February 2026, prices for Rome to Washington, D.C. flights are approximately 22% more expensive when compared to flights at the same time last year.

Historically, on average around 26% 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 153 minutes.

Generally, flights departing in the morning 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.

Dublin (DUB) was the most common stop: 25% of momondo users choosing 1-stop flights on this route connected there.

Flights via Lisbon (LIS) offer the lowest average round-trip price of $673.

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.

3 flights are operational daily from Rome to Washington, D.C. as of February 2026. The most popular departure time for this route is 11:00AM, with 60% of flights per day taking off at noon.

As of February 2026, there are 23 flights per week flying from Rome to Washington, D.C.. The most common day of the week flights depart is Wed, with 35% of flights taking off on this day.