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

View $501 flight on Sun, Oct 19, 2025Opens in a new window

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

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

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 $442 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Thu, Nov 20 - Thu, Nov 27
FCO
Rome
IAD
Washington
$442 Roundtrip, found 6 days ago
$442
Roundtrip
found 6 days ago
Select TAP Portugal flight, departing Thu, Nov 20 from Rome to Washington, returning Thu, Nov 27, priced at $442 found 6 days ago
Icelandair
Fri, Aug 29 - Thu, Oct 23
FCO
Rome
IAD
Washington
$514 Roundtrip, found 11 hours ago
$514
Roundtrip
found 11 hours ago
Select Icelandair flight, departing Fri, Aug 29 from Rome to Washington, returning Thu, Oct 23, priced at $514 found 11 hours ago
Scandinavian Airlines
Wed, Oct 8 - Wed, Dec 24
FCO
Rome
IAD
Washington
$562 Roundtrip, found 5 days ago
$562
Roundtrip
found 5 days ago
Select Scandinavian Airlines flight, departing Wed, Oct 8 from Rome to Washington, returning Wed, Dec 24, priced at $562 found 5 days ago
ITA Airways
Sun, Aug 31 - Sun, Sep 7
FCO
Rome
IAD
Washington
$602 Roundtrip, found 2 hours ago
$602
Roundtrip
found 2 hours ago
Select ITA Airways flight, departing Sun, Aug 31 from Rome to Washington, returning Sun, Sep 7, priced at $602 found 2 hours ago
American Airlines
Thu, Nov 20 - Thu, Nov 27
FCO
Rome
IAD
Washington
$637 Roundtrip, found 6 days ago
$637
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Nov 20 from Rome to Washington, returning Thu, Nov 27, priced at $637 found 6 days ago
Aer Lingus
Sat, Nov 15 - Sun, Nov 23
FCO
Rome
IAD
Washington
$644 Roundtrip, found 13 hours ago
$644
Roundtrip
found 13 hours ago
Select Aer Lingus flight, departing Sat, Nov 15 from Rome to Washington, returning Sun, Nov 23, priced at $644 found 13 hours ago
Lufthansa
Mon, Sep 8 - Sun, Sep 21
FCO
Rome
IAD
Washington
$645 Roundtrip, found 3 hours ago
$645
Roundtrip
found 3 hours ago
Select Lufthansa flight, departing Mon, Sep 8 from Rome to Washington, returning Sun, Sep 21, priced at $645 found 3 hours ago
British Airways
Tue, Sep 2 - Thu, Sep 11
FCO
Rome
IAD
Washington
$649 Roundtrip, found 6 hours ago
$649
Roundtrip
found 6 hours ago
Select British Airways flight, departing Tue, Sep 2 from Rome to Washington, returning Thu, Sep 11, priced at $649 found 6 hours ago
Air Canada
Wed, Nov 5 - Sun, Nov 9
FCO
Rome
IAD
Washington
$650 Roundtrip, found 4 days ago
$650
Roundtrip
found 4 days ago
Select Air Canada flight, departing Wed, Nov 5 from Rome to Washington, returning Sun, Nov 9, priced at $650 found 4 days ago
Swiss International Air Lines
Mon, Sep 8 - Sun, Sep 21
FCO
Rome
IAD
Washington
$657 Roundtrip, found 3 hours ago
$657
Roundtrip
found 3 hours ago
Select Swiss International Air Lines flight, departing Mon, Sep 8 from Rome to Washington, returning Sun, Sep 21, priced at $657 found 3 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

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Ronald Reagan Washington National DCA. Closest option available. Average driving time to city center is 8 minutes. Flights from $822
DCA
Ronald Reagan Washington National
Closest
Average driving time to city center8 min
Flights from $822
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
$442
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 November. 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 $599 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 2 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 $862. 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 21 2025. Prices were last updated on July 2 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.

Explore a world of travel with Expedia

*Available to One Key members.