Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Islip, New York to Rome from $616

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 7/29. 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
11:35 am - 2:35 pm
ISP
-
FCO
21h 00m
2 stops
Multiple Airlines Logo
7:30 am - 10:43 am
FCO
-
ISP
33h 13m
2 stops
$1,385Multiple Airlines
Thu, Aug 27 - Thu, Sep 3
Multiple Airlines Logo
9:05 am - 7:05 am
ISP
-
FCO
16h 00m
1 stop
Multiple Airlines Logo
10:25 am - 6:35 pm
FCO
-
ISP
14h 10m
1 stop
$1,396Multiple Airlines
Sat, Aug 22 - Sat, Aug 29
Multiple Airlines Logo
9:05 am - 7:05 am
ISP
-
FCO
16h 00m
1 stop
Multiple Airlines Logo
10:25 am - 6:35 pm
FCO
-
ISP
14h 10m
1 stop
$1,398Multiple Airlines
Sat, Aug 22 - Sat, Aug 29
Multiple Airlines Logo
10:05 am - 7:05 am
ISP
-
FCO
15h 00m
1 stop
Multiple Airlines Logo
8:20 pm - 9:53 am
FCO
-
ISP
43h 33m
2 stops
$1,441Multiple Airlines
Thu, Aug 27 - Thu, Sep 3
Multiple Airlines Logo
9:05 am - 2:20 pm
ISP
-
FCO
23h 15m
2 stops
Multiple Airlines Logo
2:20 pm - 10:30 am
FCO
-
ISP
26h 10m
2 stops
$1,465Multiple Airlines
Sat, Aug 22 - Sat, Aug 29
Multiple Airlines Logo
1:50 pm - 7:55 pm
ISP
-
FCO
24h 05m
2 stops
Multiple Airlines Logo
7:30 am - 9:05 am
FCO
-
ISP
31h 35m
2 stops
$1,471Multiple Airlines
Sat, Aug 22 - Sat, Aug 29
Multiple Airlines Logo
9:05 am - 7:05 am
ISP
-
FCO
16h 00m
1 stop
Multiple Airlines Logo
3:45 pm - 1:28 pm
FCO
-
ISP
51h 43m
2 stops
$1,507Multiple Airlines
Sat, Aug 22 - Sat, Aug 29
Multiple Airlines Logo
9:05 am - 7:05 am
ISP
-
FCO
16h 00m
1 stop
Multiple Airlines Logo
3:45 pm - 1:28 pm
FCO
-
ISP
51h 43m
2 stops
$1,508Multiple Airlines
Sat, Aug 22 - Sat, Aug 29
Multiple Airlines Logo
7:05 am - 7:05 am
ISP
-
FCO
18h 00m
2 stops
Multiple Airlines Logo
12:15 pm - 12:30 pm
FCO
-
ISP
30h 15m
2 stops
$1,537Multiple Airlines
Sat, Aug 22 - Sat, Aug 29
Multiple Airlines Logo
3:10 pm - 12:15 am
ISP
-
FCO
27h 05m
3 stops
Multiple Airlines Logo
3:45 pm - 10:30 am
FCO
-
ISP
24h 45m
2 stops
$1,742Multiple Airlines
Sat, Aug 22 - Sat, Aug 29

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 July 13, 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 - FCO

ISPFCO

Islip Long Island

Thu 8/27

11:35 am-2:35 pm

2 stops21h 00m

Rome Fiumicino

Thu 9/3

7:30 am-10:43 am

2 stops33h 13m

$1,385
Quickest round-trip

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

Sat 8/22

9:05 am-7:05 am

1 stop16h 00m

Rome Fiumicino

Sat 8/29

10:25 am-6:35 pm

1 stop14h 10m

$1,396

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

Sat 8/22

9:05 am-7:05 am

1 stop16h 00m

Rome Fiumicino

Sat 8/29

10:25 am-6:35 pm

1 stop14h 10m

$1,398

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

Thu 8/27

10:05 am-7:05 am

1 stop15h 00m

Rome Fiumicino

Thu 9/3

8:20 pm-9:53 am

2 stops43h 33m

$1,441

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

Sat 8/22

9:05 am-2:20 pm

2 stops23h 15m

Rome Fiumicino

Sat 8/29

2:20 pm-10:30 am

2 stops26h 10m

$1,465

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

Sat 8/22

1:50 pm-7:55 pm

2 stops24h 05m

Rome Fiumicino

Sat 8/29

7:30 am-9:05 am

2 stops31h 35m

$1,471

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

Sat 8/22

9:05 am-7:05 am

1 stop16h 00m

Rome Fiumicino

Sat 8/29

3:45 pm-1:28 pm

2 stops51h 43m

$1,507

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

Sat 8/22

9:05 am-7:05 am

1 stop16h 00m

Rome Fiumicino

Sat 8/29

3:45 pm-1:28 pm

2 stops51h 43m

$1,508

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

Sat 8/22

7:05 am-7:05 am

2 stops18h 00m

Rome Fiumicino

Sat 8/29

12:15 pm-12:30 pm

2 stops30h 15m

$1,537

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

Sat 8/22

3:10 pm-12:15 am

3 stops27h 05m

Rome Fiumicino

Sat 8/29

3:45 pm-10:30 am

2 stops24h 45m

$1,742

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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 $720. The most expensive day to fly to Rome Fiumicino Airport is Friday, with ticket prices averaging around $807.

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 $718. 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 $812.

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

21h 00m

Direct flights

None
The fastest flight from Islip, New York to Rome Fiumicino Airport takes 21h 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 21h 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
Cassino
Gaeta
Orvieto
Montepulciano
Ponza
Ladispoli
Chianciano Terme
Pienza
Tivoli
Terracina
Sperlonga
Orbetello
Ciampino
Saturnia
Santa Marinella
Vatican
Ascoli Piceno
Porto Ercole

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
Wed 8/12
Wed 8/19
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 $396
Flights to Venice Marco Polo Airportfrom $419
Flights to Milan Linate Airportfrom $532
Flights to Rome Ciampino Airportfrom $533
Flights to Venice Treviso A. Canova Airportfrom $640