$331 Cheap Flights from Washington (IAD) to Rome (FCO)

View $331 flight on Sun, Aug 17, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Washington to Rome (IAD-FCO)

Prices were available within the past 7 days and start at $331 for one-way flights and $449 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Mon, Sep 29 - Wed, Oct 8
IAD
Washington
FCO
Rome
$449 Roundtrip, just found
$449
Roundtrip
just found
Select TAP Portugal flight, departing Mon, Sep 29 from Washington to Rome, returning Wed, Oct 8, priced at $449 just found
Scandinavian Airlines
Mon, Oct 13 - Tue, Oct 21
IAD
Washington
FCO
Rome
$477 Roundtrip, just found
$477
Roundtrip
just found
Select Scandinavian Airlines flight, departing Mon, Oct 13 from Washington to Rome, returning Tue, Oct 21, priced at $477 just found
Royal Air Maroc
Sun, Nov 23 - Thu, Dec 4
IAD
Washington
FCO
Rome
$602 Roundtrip, found 3 days ago
$602
Roundtrip
found 3 days ago
Select Royal Air Maroc flight, departing Sun, Nov 23 from Washington to Rome, returning Thu, Dec 4, priced at $602 found 3 days ago
Turkish Airlines
Tue, Oct 21 - Fri, Oct 31
IAD
Washington
FCO
Rome
$610 Roundtrip, found 2 hours ago
$610
Roundtrip
found 2 hours ago
Select Turkish Airlines flight, departing Tue, Oct 21 from Washington to Rome, returning Fri, Oct 31, priced at $610 found 2 hours ago
Aer Lingus
Wed, Nov 12 - Wed, Nov 19
IAD
Washington
FCO
Rome
$646 Roundtrip, found 3 hours ago
$646
Roundtrip
found 3 hours ago
Select Aer Lingus flight, departing Wed, Nov 12 from Washington to Rome, returning Wed, Nov 19, priced at $646 found 3 hours ago
Icelandair
Sat, Dec 6 - Sat, Dec 13
IAD
Washington
FCO
Rome
$779 Roundtrip, just found
$779
Roundtrip
just found
Select Icelandair flight, departing Sat, Dec 6 from Washington to Rome, returning Sat, Dec 13, priced at $779 just found
British Airways
Mon, Aug 11 - Wed, Aug 13
IAD
Washington
FCO
Rome
$784 Roundtrip, found 20 hours ago
$784
Roundtrip
found 20 hours ago
Select British Airways flight, departing Mon, Aug 11 from Washington to Rome, returning Wed, Aug 13, priced at $784 found 20 hours ago
ITA Airways
Tue, Mar 10 - Tue, Mar 17
IAD
Washington
FCO
Rome
$829 Roundtrip, found 2 hours ago
$829
Roundtrip
found 2 hours ago
Select ITA Airways flight, departing Tue, Mar 10 from Washington to Rome, returning Tue, Mar 17, priced at $829 found 2 hours ago
United
Wed, Mar 11 - Wed, Mar 18
IAD
Washington
FCO
Rome
$829 Roundtrip, just found
$829
Roundtrip
just found
Select United flight, departing Wed, Mar 11 from Washington to Rome, returning Wed, Mar 18, priced at $829 just found
Air Canada
Wed, Dec 3 - Wed, Dec 10
IAD
Washington
FCO
Rome
$829 Roundtrip, found 2 hours ago
$829
Roundtrip
found 2 hours ago
Select Air Canada flight, departing Wed, Dec 3 from Washington to Rome, returning Wed, Dec 10, priced at $829 found 2 hours ago
Flights from Washington (IAD) to Rome (FCO)
Origin airport
Washington Dulles Intl.
Destination airport
Fiumicino - Leonardo da Vinci Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Egyptair, ITA Airways, Iberia, Icelandair, KLM, Lufthansa, Royal Air Maroc, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United
Roundtrip price
$448
Distance
4493 mi

Washington to Rome Flights

The cheapest times to fly from Washington to Rome

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Rome are during the month of September. You can find some of the cheapest flights from Washington to Rome with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Rome

Sunday is one of the best days to book for cheap flights from Washington to Rome: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Rome

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Rome in 2025. You can also book with separate airlines for your outbound and return journeys, from $331 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Rome flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Rome airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Fiumicino - Leonardo da Vinci Intl. Airport (FCO) cost?
Cheap round-trip fares from Washington Dulles Intl. Airport (IAD) to Fiumicino - Leonardo da Vinci Intl. Airport (FCO) start from $892. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a ITA flight leaving IAD on May 13 2025 and touching down at FCO. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from IAD to FCO?
The cheapest flights from IAD to FCO are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from IAD to FCO?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from IAD to FCO. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Fiumicino - Leonardo da Vinci Intl. Airport (FCO)?
You’ll need to catch a flight with a layover if you’re traveling from Washington Dulles Intl. Airport (IAD) to Fiumicino - Leonardo da Vinci Intl. Airport (FCO). There are no daily direct flights on this route. However, just filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from IAD to FCO?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary depending on a range of factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from IAD to FCO?
Air France has the strongest track record for on-time direct flights from Washington Dulles Intl. Airport (IAD) to Fiumicino - Leonardo da Vinci Intl. Airport (FCO), with an on-time rating of 94%. Use the Expedia App to see your journey status before you take off and get notified of any trip changes.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Fiumicino - Leonardo da Vinci Intl. Airport (FCO)?
To reach Fiumicino - Leonardo da Vinci Intl. Airport (FCO) on schedule, book a flight that leaves Washington Dulles Intl. Airport (IAD) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to Fiumicino - Leonardo da Vinci Intl. Airport (FCO) last-minute?
Waiting until just before your trip to book your flight from IAD to FCO often results in higher prices. While you might find some last-minute deals, there’s no guarantee. Keep your travel schedule open for a better chance of snagging a bargain.
Is it cheaper to book an IAD to FCO flight and hotel package?
You’ll typically save money by booking an IAD to FCO flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it’s simple to manage it all in one convenient place. After choosing your preferred accommodations and flights, consider adding extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Fiumicino - Leonardo da Vinci Intl. Airport (FCO)?
In most instances, you can cancel or modify your IAD to FCO flight. However, there may be additional fees, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline’s rules and fees on flight changes, or if you need further details, visit our Customer Service portal.

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*Available to One Key members.