$447 Cheap Flights from Rome (FCO) to Washington (IAD)

View $447 flight on Fri, Nov 27, 2026Opens 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 $447 for one-way flights and $535 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Fri, Oct 2 - Thu, Oct 8
FCO
Rome
IAD
Washington
$535 Roundtrip, found 1 day ago
$535
Roundtrip
found 1 day ago
Select Icelandair flight, departing Fri, Oct 2 from Rome to Washington, returning Thu, Oct 8, priced at $535 found 1 day ago
Aer Lingus
Thu, May 7 - Tue, May 12
FCO
Rome
IAD
Washington
$580 Roundtrip, found 3 days ago
$580
Roundtrip
found 3 days ago
Select Aer Lingus flight, departing Thu, May 7 from Rome to Washington, returning Tue, May 12, priced at $580 found 3 days ago
American Airlines
Thu, May 14 - Thu, May 28
FCO
Rome
IAD
Washington
$614 Roundtrip, found 1 day ago
$614
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, May 14 from Rome to Washington, returning Thu, May 28, priced at $614 found 1 day ago
Iberia
Thu, Jun 4 - Sun, Jun 7
FCO
Rome
IAD
Washington
$626 Roundtrip, found 1 day ago
$626
Roundtrip
found 1 day ago
Select Iberia flight, departing Thu, Jun 4 from Rome to Washington, returning Sun, Jun 7, priced at $626 found 1 day ago
British Airways
Wed, May 13 - Sat, Jun 6
FCO
Rome
IAD
Washington
$627 Roundtrip, just found
$627
Roundtrip
just found
Select British Airways flight, departing Wed, May 13 from Rome to Washington, returning Sat, Jun 6, priced at $627 just found
Lufthansa
Sat, Oct 3 - Sun, Oct 4
FCO
Rome
IAD
Washington
$648 Roundtrip, found 4 hours ago
$648
Roundtrip
found 4 hours ago
Select Lufthansa flight, departing Sat, Oct 3 from Rome to Washington, returning Sun, Oct 4, priced at $648 found 4 hours ago
TAP Portugal
Tue, Sep 8 - Mon, Jan 4
FCO
Rome
IAD
Washington
$656 Roundtrip, found 4 hours ago
$656
Roundtrip
found 4 hours ago
Select TAP Portugal flight, departing Tue, Sep 8 from Rome to Washington, returning Mon, Jan 4, priced at $656 found 4 hours ago
Swiss International Air Lines
Sat, Sep 26 - Fri, Oct 2
FCO
Rome
IAD
Washington
$658 Roundtrip, just found
$658
Roundtrip
just found
Select Swiss International Air Lines flight, departing Sat, Sep 26 from Rome to Washington, returning Fri, Oct 2, priced at $658 just found
Air Canada
Wed, Sep 30 - Wed, Oct 7
FCO
Rome
IAD
Washington
$658 Roundtrip, found 2 days ago
$658
Roundtrip
found 2 days ago
Select Air Canada flight, departing Wed, Sep 30 from Rome to Washington, returning Wed, Oct 7, priced at $658 found 2 days ago
ITA Airways
Thu, Jun 4 - Thu, Sep 17
FCO
Rome
IAD
Washington
$661 Roundtrip, found 4 hours ago
$661
Roundtrip
found 4 hours ago
Select ITA Airways flight, departing Thu, Jun 4 from Rome to Washington, returning Thu, Sep 17, priced at $661 found 4 hours ago

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 $819
DCA
Ronald Reagan Washington National
Closest
Average driving time to city center8 min
Flights from $819

Frequently asked questions

How much does a flight from Rome (FCO-Fiumicino - Leonardo da Vinci Intl.) to Washington, DC (IAD-Washington Dulles Intl.) cost?
You can find cheap one-way flights from $447 and cheap return flights from $535 Rome (FCO-Fiumicino - Leonardo da Vinci Intl.) to Washington, DC (IAD-Washington Dulles Intl.) with Expedia. One-way flights typically cost between $564 and $4671, and return flights often range between $745 and $6022. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Rome (FCO-Fiumicino - Leonardo da Vinci Intl.) to Washington, DC (IAD-Washington Dulles Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Rome (FCO-Fiumicino - Leonardo da Vinci Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
September is the cheapest month to fly from Rome (FCO) to Washington, DC (IAD), with average round-trip fares around $648. This price is about 17% lower than the average throughout the year, as travel demand decreases after the summer peak. Other affordable months to consider for your trip from Rome to Washington, DC are January and February.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Rome (FCO-Fiumicino - Leonardo da Vinci Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
Choose from 2 airlines operating direct flights from FCO to IAD:

  • United operates around 9 direct flights from FCO to IAD every week
  • ITA Airways operates around 7 direct flights from FCO to IAD every week
  • Alitalia operates around 7 direct flights from FCO to IAD every week

What is the cheapest airline that flies from Rome (FCO-Fiumicino - Leonardo da Vinci Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
United is one of the cheapest airlines offering nonstop flights from Fiumicino - Leonardo da Vinci Intl. (FCO) to Washington Dulles Intl. (IAD), with round-trip tickets starting from around $1,121. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Rome (FCO-Fiumicino - Leonardo da Vinci Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
To find a cheap flight from Rome (FCO-Fiumicino - Leonardo da Vinci Intl.) to Washington, DC (IAD-Washington Dulles Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Rome (FCO-Fiumicino - Leonardo da Vinci Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The best airline to fly with from Rome (FCO) to Washington, DC (IAD) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, ITA Airways typically offers the lowest fares. Alitalia offers the most daily flights from FCO to IAD, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Rome (FCO-Fiumicino - Leonardo da Vinci Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The best time to fly from Rome (FCO) to Washington, DC (IAD) is typically in September or February. During these months, you can find return flights averaging around $648, making them both affordable and convenient. September offers pleasant weather and fewer crowds, while February sees lower travel demand, allowing for better prices and availability.*Prices based on flights available on Expedia in the last year.
How many flights per day from Rome (FCO-Fiumicino - Leonardo da Vinci Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
You can find approximately 2 nonstop flights per day from Fiumicino - Leonardo da Vinci Intl. (FCO) to Washington Dulles Intl. (IAD). For more options, look at flights that include layovers.
What is the earliest flight from Rome (FCO-Fiumicino - Leonardo da Vinci Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The earliest flight from Rome (FCO) to Washington, DC (IAD) typically departs at around 4:45 AM local time, operated by TAP Portugal. This seasonal service is available from May to October, allowing you to start your travels early in the day. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Rome (FCO-Fiumicino - Leonardo da Vinci Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The most popular departure times for flights from Rome (FCO) to Washington, DC (IAD) are in the late morning, from 9am to noon. About 52% of passengers prefer this time window. Many major carriers, including United, Lufthansa, and Aer Lingus, offer flights during this window. This timing works well because it allows you to arrive in Washington, DC with plenty of time to settle in for the day.
How long does it take to fly from Rome (FCO-Fiumicino - Leonardo da Vinci Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
Flying nonstop from FCO to IAD takes around 10 hours, with the route covering approximately 4,494 miles. Flights with a layover typically take 5 hours longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Rome (FCO-Fiumicino - Leonardo da Vinci Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
Business class is available on flights from FCO to IAD. Airlines that offer business class service on this route include:

  • Emirates
  • Lufthansa
  • United Airlines
  • TAP Portugal
  • Icelandair
  • ITA Airways
  • Iberia
  • Swiss International Air Lines
  • British Airways
  • KLM

First class is available with Emirates.
How much is a business class flight from Rome (FCO-Fiumicino - Leonardo da Vinci Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
A direct, return business class ticket from Rome (FCO) to Washington, DC (IAD) typically costs between $7,289 - $12,304. A non-stop, one-way business class flight is usually around $4,495 - $5,535. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Rome (FCO-Fiumicino - Leonardo da Vinci Intl.) to Washington, DC (IAD-Washington Dulles Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Rome (FCO-Fiumicino - Leonardo da Vinci Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight with Expedia?
It's easy to earn miles on a Rome (FCO-Fiumicino - Leonardo da Vinci Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Washington from Fiumicino - Leonardo da Vinci Intl. (FCO)?
From Fiumicino - Leonardo da Vinci Intl. (FCO), you can fly into Ronald Reagan Washington National (DCA) and Washington Dulles Intl. (IAD) in Washington. Some flights may connect through major hubs like Heathrow (LHR), Schiphol (AMS), Roissy-Charles de Gaulle (CDG) before reaching Washington. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Rome (FCO-Fiumicino - Leonardo da Vinci Intl.) to Washington, DC (IAD-Washington Dulles Intl.) at the last minute?
Typically, booking a last minute flight from Rome (FCO-Fiumicino - Leonardo da Vinci Intl.) to Washington, DC (IAD-Washington Dulles Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Rome (FCO-Fiumicino - Leonardo da Vinci Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight and hotel package?
Securing a Rome (FCO-Fiumicino - Leonardo da Vinci Intl.) to Washington, DC (IAD-Washington Dulles Intl.) Fairfax County Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Rome (FCO-Fiumicino - Leonardo da Vinci Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
If you booked your Rome (FCO-Fiumicino - Leonardo da Vinci Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Fiumicino - Leonardo da Vinci Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, Alaska Airlines, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, ITA Airways, Iberia, Icelandair, KLM, Lufthansa, Royal Air Maroc, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United
Roundtrip price
$535
Distance
4493 mi
Average flight time
3 hours 50 mins

Book with confidence

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 October. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $447 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.

 

Rome to Washington Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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