$501 Cheap Flights from Rome (FCO) to Washington (IAD)

View $501 flight on Thu, Oct 23, 2025Opens in a new window

Popular airlines from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Washington Dulles Intl. Airport (IAD)

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Cheap Flights from Rome to Washington (FCO-IAD)

Prices were available within the past 7 days and start at $501 for one-way flights and $444 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Wed, Aug 27 - Tue, Sep 2
FCO
Rome
IAD
Washington
$444 Roundtrip, found 4 hours ago
$444
Roundtrip
found 4 hours ago
Select TAP Portugal flight, departing Wed, Aug 27 from Rome to Washington, returning Tue, Sep 2, priced at $444 found 4 hours ago
TAP Portugal
Mon, Sep 15 - Tue, Oct 14
FCO
Rome
IAD
Washington
$447 Roundtrip, found 5 days ago
$447
Roundtrip
found 5 days ago
Select TAP Portugal flight, departing Mon, Sep 15 from Rome to Washington, returning Tue, Oct 14, priced at $447 found 5 days ago
TAP Portugal
Wed, Aug 27 - Tue, Sep 2
FCO
Rome
IAD
Washington
$448 Roundtrip, found 4 hours ago
$448
Roundtrip
found 4 hours ago
Select TAP Portugal flight, departing Wed, Aug 27 from Rome to Washington, returning Tue, Sep 2, priced at $448 found 4 hours ago
Icelandair
Wed, Oct 8 - Sun, Oct 19
FCO
Rome
IAD
Washington
$507 Roundtrip, found 6 hours ago
$507
Roundtrip
found 6 hours ago
Select Icelandair flight, departing Wed, Oct 8 from Rome to Washington, returning Sun, Oct 19, priced at $507 found 6 hours ago
Scandinavian Airlines
Wed, Oct 8 - Wed, Dec 24
FCO
Rome
IAD
Washington
$562 Roundtrip, found 6 days ago
$562
Roundtrip
found 6 days ago
Select Scandinavian Airlines flight, departing Wed, Oct 8 from Rome to Washington, returning Wed, Dec 24, priced at $562 found 6 days ago
Lufthansa
Sat, Oct 18 - Sun, Oct 19
FCO
Rome
IAD
Washington
$587 Roundtrip, found 2 hours ago
$587
Roundtrip
found 2 hours ago
Select Lufthansa flight, departing Sat, Oct 18 from Rome to Washington, returning Sun, Oct 19, priced at $587 found 2 hours ago
Air Canada
Mon, Nov 17 - Wed, Nov 26
FCO
Rome
IAD
Washington
$594 Roundtrip, found 8 hours ago
$594
Roundtrip
found 8 hours ago
Select Air Canada flight, departing Mon, Nov 17 from Rome to Washington, returning Wed, Nov 26, priced at $594 found 8 hours ago
Swiss International Air Lines
Mon, Jul 28 - Sun, Aug 24
FCO
Rome
IAD
Washington
$599 Roundtrip, just found
$599
Roundtrip
just found
Select Swiss International Air Lines flight, departing Mon, Jul 28 from Rome to Washington, returning Sun, Aug 24, priced at $599 just found
ITA Airways
Mon, Sep 1 - Tue, Sep 9
FCO
Rome
IAD
Washington
$602 Roundtrip, found 2 hours ago
$602
Roundtrip
found 2 hours ago
Select ITA Airways flight, departing Mon, Sep 1 from Rome to Washington, returning Tue, Sep 9, priced at $602 found 2 hours ago
Austrian Airlines
Wed, Aug 27 - Tue, Sep 2
FCO
Rome
IAD
Washington
$611 Roundtrip, found 4 hours ago
$611
Roundtrip
found 4 hours ago
Select Austrian Airlines flight, departing Wed, Aug 27 from Rome to Washington, returning Tue, Sep 2, priced at $611 found 4 hours ago

Find the cheapest month to fly from Rome (FCO) to Washington (IAD)

September is typically the cheapest month to fly

From $399 - $896 per traveler.

Graph displaying average flight prices per month

Flights from Rome (FCO) to Washington (IAD)
Origin airport
Fiumicino - Leonardo da Vinci Intl.
Destination airport
Washington Dulles 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
$444
Distance
4493 mi
Average flight time
3 hours 58 mins

Rome to Washington Flights

The cheapest times to fly from Rome to Washington

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 Rome to Washington are during the month of August. You can find some of the cheapest flights from Rome to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Rome to Washington

Sunday is one of the best days to book for cheap flights from Rome to Washington: 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 Rome to Washington

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 Rome to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $501 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 Rome to Washington 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 Rome to Washington 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 Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Washington Dulles Intl. Airport (IAD) cost?
Snag cheap return tickets starting at $601 from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Washington Dulles Intl. Airport (IAD). 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 FCO on July 24 2025 and touching down at IAD. The price was last updated on July 6 2025 and has not changed since.
What is the cheapest month to fly from FCO to IAD?
The cheapest flights from FCO to IAD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Washington Dulles Intl. Airport (IAD)?
When setting off from Fiumicino - Leonardo da Vinci Intl. Airport (FCO), you can catch a direct flight to Washington Dulles Intl. Airport (IAD) with Ethiopian Airlines.
What is the cheapest airline that flies from FCO to IAD?
Right now, the cheapest airline offering one-way flights from FCO to IAD is ITA. You can take off on this route from $865. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from FCO on September 23 2025. Prices were last updated on July 6 2025 and have not changed since.
How many flights per day from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Washington Dulles Intl. Airport (IAD)?
On average, there's only 1 direct flight leaving from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Washington Dulles Intl. Airport (IAD) every day. If this doesn't fit your plans, think about flights with layovers. Just filter your search results on Expedia to include one or more stops to find the next best option.
What are the most popular departure times for flights from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Washington Dulles Intl. Airport (IAD)?
More passengers fly between FCO and IAD at 4 AM than at any other point in the day. Looking to skip the crowds? Travel outside of rush hours and you could save on your fare as well.
What day of the week has the most flights from FCO to IAD?
Friday offers the most flights from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Washington Dulles Intl. Airport (IAD). Consider jetting off on this day and you'll have a greater chance of finding a departure that works with your plans.
What is the earliest flight from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Washington Dulles Intl. Airport (IAD)?
Catch the earliest flight at around 4:25AM UTC+1, heading out of Fiumicino - Leonardo da Vinci Intl. Airport (FCO). You'll be traveling for about 9h 35m, coming in to land at Washington Dulles Intl. Airport (IAD) at approximately 8:00AM UTC-5.
How long does it take to fly from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Washington Dulles Intl. Airport (IAD)?
Flights from FCO to IAD have an average travel time of 9 hours and 35 minutes. The distance between the two is 4,500 mi.
What airline has the least delays from FCO to IAD?
Consider booking with Lufthansa if you'd like to fly straight from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Washington Dulles Intl. Airport (IAD) without any holdups. This airline has the best track record for punctuality, with an on-time performance of 85%. Want to be updated if anything changes? You can check your flight status using the Expedia App.
What is the best time to fly from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Washington Dulles Intl. Airport (IAD)?
Book a flight from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Washington Dulles Intl. Airport (IAD) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures after this hour have a 22% higher chance of being canceled, on average.**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.
What airports do you fly into for Washington from Fiumicino - Leonardo da Vinci Intl. Airport (FCO)?
Explore your flight options from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Washington Dulles Intl. Airport (IAD). This is the only airport in Washington you can fly into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Washington Dulles Intl. Airport (IAD) last-minute?
Last-minute fares from FCO to IAD are usually more expensive. To secure the lowest prices, start searching for flights well in advance. That said, if your travel plans are flexible, you may score a cheap fare just before your departure.
Is it cheaper to book a FCO to IAD flight and hotel package?
Compared with arranging hotels and flights separately, booking a FCO to IAD flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one convenient place will take the stress out of planning your trip. Simply pick your flights and choose from our extensive range of hotels, then tailor your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Washington Dulles Intl. Airport (IAD)?
If you booked your FCO to IAD flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

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