Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Islip, New York to Rome from $377

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Islip, New York to Rome departing on 10/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Islip, New York to Rome

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:05 am - 3:50 pmISP  Islip Long Island-FCO Rome Fiumicino
26h 45m2 stops Boston Logan Intl Frankfurt am Main
Multiple Airlines Logo
8:10 am - 8:15 pmFCO  Rome Fiumicino-ISP Islip Long Island
18h 05m2 stops Frankfurt am Main Boston Logan Intl
$1,184Multiple Airlines
Fri, Sep 4 - Thu, Sep 10
Multiple Airlines Logo
7:05 am - 6:35 pmISP  Islip Long Island-FCO Rome Fiumicino
29h 30m2 stops Boston Logan Intl Kastrup Copenhagen
Multiple Airlines Logo
9:40 am - 8:59 pmFCO  Rome Fiumicino-ISP Islip Long Island
17h 19m2 stops Kastrup Copenhagen Boston Logan Intl
$1,351Multiple Airlines
Fri, Sep 18 - Fri, Sep 25
Multiple Airlines Logo
7:31 am - 9:55 pmISP  Islip Long Island-FCO Rome Fiumicino
32h 24m3 stops Boston Logan Intl Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat
Multiple Airlines Logo
6:05 am - 8:15 pmFCO  Rome Fiumicino-ISP Islip Long Island
44h 10m3 stops Barcelona-El Prat Lisbon Humberto Delgado Boston Logan Intl
$1,364Multiple Airlines
Wed, Sep 23 - Wed, Sep 30
Multiple Airlines Logo
7:05 am - 7:05 amISP  Islip Long Island-FCO Rome Fiumicino
18h 00m1 stop Boston Logan Intl
Multiple Airlines Logo
10:25 am - 5:41 pmFCO  Rome Fiumicino-ISP Islip Long Island
13h 16m1 stop Boston Logan Intl
$1,451Multiple Airlines
Fri, Aug 28 - Tue, Sep 8
Multiple Airlines Logo
7:31 am - 9:55 pmISP  Islip Long Island-FCO Rome Fiumicino
32h 24m3 stops Boston Logan Intl Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat
Multiple Airlines Logo
3:45 pm - 10:56 amFCO  Rome Fiumicino-ISP Islip Long Island
25h 11m2 stops Reykjavik Keflavik Intl Boston Logan Intl
$1,475Multiple Airlines
Wed, Sep 23 - Wed, Sep 30
Multiple Airlines Logo
7:05 am - 8:45 pmISP  Islip Long Island-FCO Rome Fiumicino
31h 40m3 stops Boston Logan Intl Vienna Intl Krakow J. Paul II Balice
Multiple Airlines Logo
6:00 am - 8:59 pmFCO  Rome Fiumicino-ISP Islip Long Island
44h 59m3 stops Madrid Barajas Lisbon Humberto Delgado Boston Logan Intl
$1,506Multiple Airlines
Fri, Sep 4 - Thu, Sep 10
Multiple Airlines Logo
9:05 am - 7:05 amISP  Islip Long Island-FCO Rome Fiumicino
16h 00m1 stop Boston Logan Intl
Multiple Airlines Logo
10:25 am - 5:41 pmFCO  Rome Fiumicino-ISP Islip Long Island
13h 16m1 stop Boston Logan Intl
$1,544Multiple Airlines
Sat, Aug 29 - Tue, Sep 8
Multiple Airlines Logo
7:05 am - 7:05 amISP  Islip Long Island-FCO Rome Fiumicino
18h 00m1 stop Boston Logan Intl
Multiple Airlines Logo
9:25 pm - 4:58 pmFCO  Rome Fiumicino-ISP Islip Long Island
49h 33m2 stops London Gatwick Orlando
$1,548Multiple Airlines
Fri, Aug 28 - Tue, Sep 8
Multiple Airlines Logo
10:05 am - 7:05 amISP  Islip Long Island-FCO Rome Fiumicino
15h 00m1 stop Boston Logan Intl
Multiple Airlines Logo
10:25 am - 5:41 pmFCO  Rome Fiumicino-ISP Islip Long Island
13h 16m1 stop Boston Logan Intl
$1,565Multiple Airlines
Wed, Sep 16 - Wed, Sep 23
Multiple Airlines Logo
10:05 am - 7:05 amISP  Islip Long Island-FCO Rome Fiumicino
15h 00m1 stop Boston Logan Intl
Multiple Airlines Logo
7:55 pm - 4:58 pmFCO  Rome Fiumicino-ISP Islip Long Island
51h 03m2 stops London Gatwick Orlando
$1,566Multiple Airlines
Wed, Sep 23 - Wed, Sep 30

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

momondo Fare Finder

 
Customize your flight search to find flights from Islip, New York to Rome Fiumicino Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 8, 2026.
Use the filters below to find and compare flights from Islip, New York to Rome Fiumicino Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IslipRome

ISP Islip Long Island - FCO Rome Fiumicino

ISPFCO

Islip Long Island

Fri 9/4

7:05 am-3:50 pm

2 stops26h 45m

Rome Fiumicino

Thu 9/10

8:10 am-8:15 pm

2 stops18h 05m

$1,184

IslipRome

ISP Islip Long Island - FCO Rome Fiumicino

ISPFCO

Islip Long Island

Fri 9/18

7:05 am-6:35 pm

2 stops29h 30m

Rome Fiumicino

Fri 9/25

9:40 am-8:59 pm

2 stops17h 19m

$1,351

IslipRome

ISP Islip Long Island - FCO Rome Fiumicino

ISPFCO

Islip Long Island

Wed 9/23

7:31 am-9:55 pm

3 stops32h 24m

Rome Fiumicino

Wed 9/30

6:05 am-8:15 pm

3 stops44h 10m

$1,364

IslipRome

ISP Islip Long Island - FCO Rome Fiumicino

ISPFCO

Islip Long Island

Fri 8/28

7:05 am-7:05 am

1 stop18h 00m

Rome Fiumicino

Tue 9/8

10:25 am-5:41 pm

1 stop13h 16m

$1,451

IslipRome

ISP Islip Long Island - FCO Rome Fiumicino

ISPFCO

Islip Long Island

Wed 9/23

7:31 am-9:55 pm

3 stops32h 24m

Rome Fiumicino

Wed 9/30

3:45 pm-10:56 am

2 stops25h 11m

$1,475

IslipRome

ISP Islip Long Island - FCO Rome Fiumicino

ISPFCO

Islip Long Island

Fri 9/4

7:05 am-8:45 pm

3 stops31h 40m

Rome Fiumicino

Thu 9/10

6:00 am-8:59 pm

3 stops44h 59m

$1,506

IslipRome

ISP Islip Long Island - FCO Rome Fiumicino

ISPFCO

Islip Long Island

Sat 8/29

9:05 am-7:05 am

1 stop16h 00m

Rome Fiumicino

Tue 9/8

10:25 am-5:41 pm

1 stop13h 16m

$1,544

IslipRome

ISP Islip Long Island - FCO Rome Fiumicino

ISPFCO

Islip Long Island

Fri 8/28

7:05 am-7:05 am

1 stop18h 00m

Rome Fiumicino

Tue 9/8

9:25 pm-4:58 pm

2 stops49h 33m

$1,548
Quickest round-trip

IslipRome

ISP Islip Long Island - FCO Rome Fiumicino

ISPFCO

Islip Long Island

Wed 9/16

10:05 am-7:05 am

1 stop15h 00m

Rome Fiumicino

Wed 9/23

10:25 am-5:41 pm

1 stop13h 16m

$1,565

IslipRome

ISP Islip Long Island - FCO Rome Fiumicino

ISPFCO

Islip Long Island

Wed 9/23

10:05 am-7:05 am

1 stop15h 00m

Rome Fiumicino

Wed 9/30

7:55 pm-4:58 pm

2 stops51h 03m

$1,566

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

See travel insights to Rome from

How to get the cheapest flight ticket from Islip, New York to Rome Fiumicino Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Rome Fiumicino Airport?

Our data shows that Monday is the least expensive day to fly to Rome Fiumicino Airport. Tickets to fly out on this day can be as low as $744. The most expensive day to fly to Rome Fiumicino Airport is Friday, with ticket prices averaging around $828.

What is the cheapest time of day to depart on your flight to Rome Fiumicino Airport?

According to our data, the cheapest time of day to fly to Rome Fiumicino Airport is in the evening. momondo users have found flights departing from Islip, New York to Rome Fiumicino Airport in the evening for as low as $732. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $841.

When to book flights from Islip, New York to Rome Fiumicino Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Islip, New York to Rome Fiumicino Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Islip, New York to Rome Fiumicino Airport (ISP to FCO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip, New York to Rome Fiumicino Airport

Fastest flight time

18h 00m

Direct flights

None
The fastest flight from Islip, New York to Rome Fiumicino Airport takes 18h 00m
There are no direct flights from Islip, New York to Rome Fiumicino Airport. There are no popular flight routes from Islip, New York to Rome Fiumicino Airport.
Search flight deals

Frequently asked questions about flying from Islip, New York to Rome Fiumicino Airport

  • How far is Islip Long Island to Rome Fiumicino by plane?

    Islip Long Island and Rome Fiumicino are 4235.5 mi apart from one another. Flights usually cover this in 18h 00m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Islip Long Island Airport to Rome Fiumicino Airport?

    Prices for flights from Islip Long Island Airport to Rome Fiumicino Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Islip Long Island Airport to Rome Fiumicino Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Islip Long Island Airport to Rome Fiumicino Airport.

  • What documentation or ID do you need to fly to Rome Fiumicino Airport?

    The necessary travel and health documents for your Rome Fiumicino Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Rome?

Book flights to Rome if you plan to visit one of these locations
Fiumicino
Civitavecchia
Gaeta
Orvieto
Montepulciano
Ladispoli
Pienza
Tivoli
Sperlonga
Chianciano Terme
Orbetello
Ponza
Ciampino
Terracina
Cassino
Saturnia
Ascoli Piceno
Porto Ercole
Santa Marinella
Vatican

Why use momondo?

Why should I use momondo to find a flight deal from Islip to Rome?

It is quick and easy to find Islip to Rome flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Rome that suits you.

Can I find flights from Islip to Rome with flexible booking policies on momondo?

Yes. All flights to Rome from Islip on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Islip to Rome?

momondo provides multiple filters to help you find the best flight to Rome from Islip. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Islip to Rome right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Rome from Islip. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Rome Fiumicino Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 9/7
Mon 9/14
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Rome

Popular cities in Italy

Popular flights according to clicks in the last 7 days on momondo
Flights to Milan Malpensa Airportfrom $493
Flights to Venice Marco Polo Airportfrom $542
Flights to Milan Linate Airportfrom $508
Flights to Rome Ciampino Airportfrom $623
Flights to Venice Treviso A. Canova Airportfrom $598