$428 Cheap Flights from Rome (FCO) to Philadelphia (PHL)

View $428 flight on Thu, Aug 28, 2025Opens in a new window

Popular airlines from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Philadelphia Intl. Airport (PHL)

Cheap Flights from Rome to Philadelphia (FCO-PHL)

Prices were available within the past 7 days and start at $428 for one-way flights and $574 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Sun, Sep 21 - Sun, Oct 19
FCO
Rome
PHL
Philadelphia
$574 Roundtrip, found 1 day ago
$574
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Sun, Sep 21 from Rome to Philadelphia, returning Sun, Oct 19, priced at $574 found 1 day ago
Aer Lingus
Tue, Oct 21 - Thu, Oct 30
FCO
Rome
PHL
Philadelphia
$592 Roundtrip, just found
$592
Roundtrip
just found
Select Aer Lingus flight, departing Tue, Oct 21 from Rome to Philadelphia, returning Thu, Oct 30, priced at $592 just found
American Airlines
Mon, Nov 10 - Sat, Nov 29
FCO
Rome
PHL
Philadelphia
$664 Roundtrip, found 2 hours ago
$664
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Mon, Nov 10 from Rome to Philadelphia, returning Sat, Nov 29, priced at $664 found 2 hours ago
British Airways
Mon, Nov 10 - Sat, Nov 29
FCO
Rome
PHL
Philadelphia
$666 Roundtrip, found 2 hours ago
$666
Roundtrip
found 2 hours ago
Select British Airways flight, departing Mon, Nov 10 from Rome to Philadelphia, returning Sat, Nov 29, priced at $666 found 2 hours ago
Iberia
Mon, Nov 10 - Sat, Nov 29
FCO
Rome
PHL
Philadelphia
$677 Roundtrip, found 2 hours ago
$677
Roundtrip
found 2 hours ago
Select Iberia flight, departing Mon, Nov 10 from Rome to Philadelphia, returning Sat, Nov 29, priced at $677 found 2 hours ago
Air Canada
Tue, Oct 14 - Fri, Oct 24
FCO
Rome
PHL
Philadelphia
$678 Roundtrip, found 2 hours ago
$678
Roundtrip
found 2 hours ago
Select Air Canada flight, departing Tue, Oct 14 from Rome to Philadelphia, returning Fri, Oct 24, priced at $678 found 2 hours ago
Lufthansa
Fri, Sep 5 - Sat, Sep 13
FCO
Rome
PHL
Philadelphia
$680 Roundtrip, found 1 day ago
$680
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Fri, Sep 5 from Rome to Philadelphia, returning Sat, Sep 13, priced at $680 found 1 day ago
United
Thu, Nov 13 - Sun, Nov 30
FCO
Rome
PHL
Philadelphia
$703 Roundtrip, found 1 day ago
$703
Roundtrip
found 1 day ago
Select United flight, departing Thu, Nov 13 from Rome to Philadelphia, returning Sun, Nov 30, priced at $703 found 1 day ago
Brussels Airlines
Tue, Aug 26 - Thu, Dec 11
FCO
Rome
PHL
Philadelphia
$709 Roundtrip, found 14 hours ago
$709
Roundtrip
found 14 hours ago
Select Brussels Airlines flight, departing Tue, Aug 26 from Rome to Philadelphia, returning Thu, Dec 11, priced at $709 found 14 hours ago
Austrian Airlines
Wed, Mar 25 - Sat, Apr 4
FCO
Rome
PHL
Philadelphia
$718 Roundtrip, found 1 day ago
$718
Roundtrip
found 1 day ago
Select Austrian Airlines flight, departing Wed, Mar 25 from Rome to Philadelphia, returning Sat, Apr 4, priced at $718 found 1 day ago

Find the cheapest month to fly from Rome (FCO) to Philadelphia (PHL)

March is typically the cheapest month to fly

From $442 - $939 per traveler.

Graph displaying average flight prices per month

Flights from Rome (FCO) to Philadelphia (PHL)
Origin airport
Fiumicino - Leonardo da Vinci Intl.
Destination airport
Philadelphia Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, ITA Airways, Iberia, Icelandair, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, United
Roundtrip price
$573
Distance
4359 mi
Average flight time
9 hours 50 mins

Rome to Philadelphia Flights

The cheapest times to fly from Rome to Philadelphia

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

 

The best time to book a flight from Rome to Philadelphia

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

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 Philadelphia in 2025. You can also book with separate airlines for your outbound and return journeys, from $428 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 Philadelphia 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 Philadelphia 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 Philadelphia Intl. Airport (PHL) cost?
Cheap round-trip flights from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Philadelphia Intl. Airport (PHL) start from $686. 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 British Airways flight leaving FCO on July 15 2025 and touching down at PHL. The price was last updated on July 8 2025 and has not changed since.
What is the cheapest month to fly from FCO to PHL?
The cheapest flights from FCO to PHL 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 FCO to PHL?
With fares starting at $741 for a one-way flight from FCO to PHL, American Airlines is currently the cheapest airline for this route. 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 30 2025. Prices were last updated on July 8 2025 and have not changed since.
How many flights per day from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Philadelphia Intl. Airport (PHL)?
You'll have to take a flight with a layover when traveling from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Philadelphia Intl. Airport (PHL). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from FCO to PHL?
Usually you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from FCO to PHL?
British Airways has the strongest track record for on-time direct flights from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Philadelphia Intl. Airport (PHL), with an on-time rating of 87%. Use the Expedia App to check your flight schedule before you leave and get notified of any changes.
What is the best time to fly from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Philadelphia Intl. Airport (PHL)?
Opt for a flight from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Philadelphia Intl. Airport (PHL) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures after this hour are on average 22% more likely to be canceled.**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 Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Philadelphia Intl. Airport (PHL) last-minute?
Booking your flight from FCO to PHL right before your getaway is usually more expensive. But if you're flexible with your schedule, you could score a cheap last-minute fare.
Is it cheaper to book a FCO to PHL flight and hotel package?
Compared with arranging flights and hotels separately, booking a FCO to PHL flight and hotel package with Expedia could lead to significant savings. Better still, managing everything in one place will take the stress out of travel planning. Simply secure your flights and select from our wide range of stays, then tailor your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Philadelphia Intl. Airport (PHL)?
In most instances, you can cancel or reschedule your FCO to PHL flight. However, there may be additional charges, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you want further details, visit our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.