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£320 Cheap Flights from Rome (FCO) to Washington (IAD)

View £320 flight on Thu, 22 Oct 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at £320 for one-way flights and £405 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Tue, 15 Sept - Tue, 22 Sept
FCO
Rome
IAD
Washington
£405 Return, found 6 days ago
£405
Return
found 6 days ago
Select TAP Portugal flight, departing Tue, 15 Sept from Rome to Washington, returning Tue, 22 Sept, priced at £405 found 6 days ago
TAP Portugal
Tue, 15 Sept - Tue, 22 Sept
FCO
Rome
IAD
Washington
£408 Return, found 6 days ago
£408
Return
found 6 days ago
Select TAP Portugal flight, departing Tue, 15 Sept from Rome to Washington, returning Tue, 22 Sept, priced at £408 found 6 days ago
TAP Portugal
Tue, 15 Sept - Tue, 22 Sept
FCO
Rome
IAD
Washington
£411 Return, found 6 days ago
£411
Return
found 6 days ago
Select TAP Portugal flight, departing Tue, 15 Sept from Rome to Washington, returning Tue, 22 Sept, priced at £411 found 6 days ago
TAP Portugal
Tue, 15 Sept - Tue, 22 Sept
FCO
Rome
IAD
Washington
£414 Return, found 6 days ago
£414
Return
found 6 days ago
Select TAP Portugal flight, departing Tue, 15 Sept from Rome to Washington, returning Tue, 22 Sept, priced at £414 found 6 days ago
Icelandair
Mon, 24 Aug - Sat, 14 Nov
FCO
Rome
IAD
Washington
£457 Return, found 6 days ago
£457
Return
found 6 days ago
Select Icelandair flight, departing Mon, 24 Aug from Rome to Washington, returning Sat, 14 Nov, priced at £457 found 6 days ago
Scandinavian Airlines
Wed, 18 Nov - Wed, 25 Nov
FCO
Rome
IAD
Washington
£490 Return, found 16 hours ago
£490
Return
found 16 hours ago
Select Scandinavian Airlines flight, departing Wed, 18 Nov from Rome to Washington, returning Wed, 25 Nov, priced at £490 found 16 hours ago
Aer Lingus
Mon, 16 Nov - Mon, 23 Nov
FCO
Rome
IAD
Washington
£493 Return, found 16 hours ago
£493
Return
found 16 hours ago
Select Aer Lingus flight, departing Mon, 16 Nov from Rome to Washington, returning Mon, 23 Nov, priced at £493 found 16 hours ago
ITA Airways
Sun, 15 Nov - Sun, 22 Nov
FCO
Rome
IAD
Washington
£528 Return, found 16 hours ago
£528
Return
found 16 hours ago
Select ITA Airways flight, departing Sun, 15 Nov from Rome to Washington, returning Sun, 22 Nov, priced at £528 found 16 hours ago
Iberia
Tue, 1 Sept - Tue, 8 Sept
FCO
Rome
IAD
Washington
£566 Return, found 12 hours ago
£566
Return
found 12 hours ago
Select Iberia flight, departing Tue, 1 Sept from Rome to Washington, returning Tue, 8 Sept, priced at £566 found 12 hours ago
Turkish Airlines
Sun, 11 Oct - Fri, 16 Oct
FCO
Rome
IAD
Washington
£583 Return, found 4 days ago
£583
Return
found 4 days ago
Select Turkish Airlines flight, departing Sun, 11 Oct from Rome to Washington, returning Fri, 16 Oct, priced at £583 found 4 days ago

Alternative airports near Washington

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

Select flight to Washington Dulles Intl. IAD. Cheapest option available. Average driving time to city centre is 36 minutes. Flights from £608
IAD
Washington Dulles Intl.
Cheapest
Average driving time to city centre36 min
Flights from £608

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

January is typically the cheapest month to fly

From £360 - £656 per traveller.

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 one-way and return flights from FCO to IAD with Expedia. 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 our cheapest fares first, and use the Price Tracking tool to receive alerts when FCO to IAD ticket fares go up or down.
What is the cheapest month to fly from Rome (FCO-Fiumicino - Leonardo da Vinci Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
September is typically the cheapest month to fly from Rome (FCO-Fiumicino - Leonardo da Vinci Intl.) to Washington, DC (IAD-Washington Dulles Intl.), with average return fares around £484. September often sees lower prices as the peak summer travel season winds down, and demand for flights decreases. Other cheap months to fly from Rome to Washington, DC include January and February.
Which airlines fly direct from Rome (FCO-Fiumicino - Leonardo da Vinci Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
There are 2 airlines offering direct flights from Rome (FCO-Fiumicino - Leonardo da Vinci Intl.) to Washington, DC (IAD-Washington Dulles Intl.). Here are the carriers:
  • United operates 14 direct flights from FCO to IAD every week.
  • ITA Airways operates 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.)?
TAP Portugal offers one of the cheapest connecting return flights with a layover in Humberto Delgado (LIS), starting from around £345. ITA Airways is one of the cheapest airlines offering nonstop return flights from Rome (FCO-Fiumicino - Leonardo da Vinci Intl.) to Washington, DC (IAD-Washington Dulles Intl.), with prices starting from around £451 for flights that can be booked for departure within the next year. These prices are per adult, for economy/coach class. 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.
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-Fiumium da Vinci Intl.) to Washington, DC (IAD-Washington Dulles Intl.) 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. ITA Airways offers the most daily flights from Rome (FCO-Fiumium da Vinci Intl.) to Washington, DC (IAD-Washington Dulles Intl.), 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) to Washington, DC (IAD)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Rome (FCO-Fiumicino - Leonardo da Vinci Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
You'll find approximately 3 nonstop flights per day from Rome (FCO-Fiumicino - Leonardo da Vinci Intl.) to Washington, DC (IAD-Washington Dulles Intl.). For even more choices, look at flights that include layovers, as there are around 69 connecting flights per day. Some common connection points include Dublin (DUB), Heathrow (LHR), and Adolfo Suarez Madrid-Barajas (MAD).
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-Fiumicino - Leonardo da Vinci Intl.) to Washington, DC (IAD-Washington Dulles Intl.) typically departs around 4:45 AM. This service is operated by TAP Portugal and is seasonal, active in May, June, July, August, September, and October. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Rome (FCO-Fiumicino - Leonardo da Vinci Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
You'll typically find the most flights from Rome (FCO-Fiumicino - Leonardo da Vinci Intl.) to Washington, DC (IAD-Washington Dulles Intl.) on a Friday, with around 71 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include ITA Airways, Lufthansa, and British Airways. Flight options are notably more plentiful on Fridays compared to other days of the week, offering you greater flexibility.
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-Fiumicino - Leonardo da Vinci Intl.) to Washington, DC (IAD-Washington Dulles Intl.) are between 9am and 12pm. Many major carriers, including United, ITA Airways and Lufthansa, offer flights during this window. Many travellers prefer these times as they allow for a relaxed start to the day and an afternoon arrival at your destination.
How long does it take to fly from Rome (FCO-Fiumicino - Leonardo da Vinci Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
A non-stop flight from Rome (FCO-Fiumicino - Leonardo da Vinci Intl.) to Washington, DC (IAD-Washington Dulles Intl.) typically takes around 10 hours 18 minutes. This route covers a distance of approximately 7,232 kilometers. If you opt for a flight with one stop, your journey will usually take longer, around 15 hours. Flights with two or more stops generally take about 18 hours 48 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.
Can you fly business or first class from Rome (FCO-Fiumicino - Leonardo da Vinci Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
Yes, you can fly business class or first class between FCO and IAD.Airlines that offer business class service on this route include:
  • Lufthansa
  • Air France
  • Iberia
  • Swiss International Air Lines
  • TAP Portugal
  • Air Baltic
  • Med View Airlines
  • Air Canada
  • British Airways
  • Air Serbia
  • ITA Airways
  • KLM
  • Emirates
  • Delta
  • Royal Air Maroc
  • Edelweiss Air
  • Ethiopian Airlines
  • Icelandair
  • SAS
  • Turkish Airlines
  • Lufthansa Cityline
  • Egyptair
  • Brussels Airlines
  • Royal Jordanian
  • Helvetic Airways
  • United
  • Austrian Airlines
  • Finnair
  • American Airlines
First class cabins are available on Emirates.
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, DC (IAD) from Rome (FCO)?
If you're planning to travel to Washington from Fiumicino - Leonardo da Vinci Intl. (FCO), you can fly directly into Washington Dulles Intl. (IAD). Some flights may connect through major hubs like Heathrow (LHR), Santa Maria Novella Train Station (ZMS), or Frankfurt Intl. (FRA) 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.) flight and hotel package 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, Austrian Airlines, British Airways, Brussels Airlines, ITA Airways, Iberia, Icelandair, KLM, Lufthansa, Royal Air Maroc, Royal Jordanian, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines
Return price
£405
Distance
7189 km
Average flight time
4 hours 1 min

Book with confidence

Compare flights from Rome to Washington easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Rome to Washington. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Washington Dulles Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Fiumicino - Leonardo da Vinci Intl. to Washington Dulles Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Fiumicino - Leonardo da Vinci Intl. (FCO) to Washington Dulles Intl. (IAD)

The easiest way to view the best deals on flights from Rome to Washington today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Fiumicino - Leonardo da Vinci Intl. to Washington Dulles Intl. start at just £405 and range up to £583.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Rome and Washington
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Rome to Washington flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Fiumicino - Leonardo da Vinci Intl. to Washington Dulles Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Rome to Washington easily and book with confidence

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