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Cheap flights from Islip, New York to Rome from $370

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 8/15. 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
10:00 am - 9:50 am
ISP
-
FCO
17h 50m
2 stops
Multiple Airlines Logo
8:10 am - 8:15 pm
FCO
-
ISP
18h 05m
2 stops
$1,500Multiple Airlines
Tue, Jul 7 - Tue, Jul 14
Multiple Airlines Logo
1:50 pm - 7:55 pm
ISP
-
FCO
24h 05m
2 stops
Multiple Airlines Logo
3:20 pm - 1:05 pm
FCO
-
ISP
51h 45m
2 stops
$1,559Multiple Airlines
Sat, Sep 5 - Sat, Sep 12
Multiple Airlines Logo
10:00 am - 7:05 am
ISP
-
FCO
15h 05m
1 stop
Multiple Airlines Logo
10:25 am - 5:41 pm
FCO
-
ISP
13h 16m
1 stop
$1,580Multiple Airlines
Tue, Jul 7 - Tue, Jul 14
Multiple Airlines Logo
7:26 am - 2:35 pm
ISP
-
FCO
25h 09m
2 stops
Multiple Airlines Logo
6:20 am - 8:15 pm
FCO
-
ISP
43h 55m
3 stops
$1,585Multiple Airlines
Tue, Jul 7 - Tue, Jul 14
Multiple Airlines Logo
11:31 am - 7:55 pm
ISP
-
FCO
26h 24m
2 stops
Multiple Airlines Logo
7:30 am - 11:53 pm
FCO
-
ISP
22h 23m
2 stops
$1,604Multiple Airlines
Fri, Jul 17 - Fri, Jul 24
Multiple Airlines Logo
11:31 am - 2:35 pm
ISP
-
FCO
21h 04m
2 stops
Multiple Airlines Logo
7:30 am - 11:53 pm
FCO
-
ISP
22h 23m
2 stops
$1,610Multiple Airlines
Fri, Jul 17 - Fri, Jul 24
Multiple Airlines Logo
7:00 am - 7:05 am
ISP
-
FCO
18h 05m
1 stop
Multiple Airlines Logo
6:40 am - 9:33 am
FCO
-
ISP
32h 53m
2 stops
$1,636Multiple Airlines
Sat, Sep 5 - Sat, Sep 12
Multiple Airlines Logo
7:00 am - 7:05 am
ISP
-
FCO
18h 05m
1 stop
Multiple Airlines Logo
10:25 am - 6:35 pm
FCO
-
ISP
14h 10m
1 stop
$1,652Multiple Airlines
Sat, Sep 5 - Sat, Sep 12
Multiple Airlines Logo
7:26 am - 9:15 am
ISP
-
FCO
19h 49m
3 stops
Multiple Airlines Logo
6:20 am - 5:41 pm
FCO
-
ISP
41h 21m
3 stops
$1,672Multiple Airlines
Tue, Jul 7 - Tue, Jul 14
Multiple Airlines Logo
5:29 pm - 7:05 am
ISP
-
FCO
31h 36m
1 stop
Multiple Airlines Logo
12:15 pm - 10:30 am
FCO
-
ISP
28h 15m
2 stops
$1,939Multiple Airlines
Fri, Jul 17 - Fri, Jul 24

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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 June 9, 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

Tue 7/7

10:00 am-9:50 am

2 stops17h 50m

Rome Fiumicino

Tue 7/14

8:10 am-8:15 pm

2 stops18h 05m

$1,500

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

Sat 9/5

1:50 pm-7:55 pm

2 stops24h 05m

Rome Fiumicino

Sat 9/12

3:20 pm-1:05 pm

2 stops51h 45m

$1,559
Quickest round-trip

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

Tue 7/7

10:00 am-7:05 am

1 stop15h 05m

Rome Fiumicino

Tue 7/14

10:25 am-5:41 pm

1 stop13h 16m

$1,580

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

Tue 7/7

7:26 am-2:35 pm

2 stops25h 09m

Rome Fiumicino

Tue 7/14

6:20 am-8:15 pm

3 stops43h 55m

$1,585

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

Fri 7/17

11:31 am-7:55 pm

2 stops26h 24m

Rome Fiumicino

Fri 7/24

7:30 am-11:53 pm

2 stops22h 23m

$1,604

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

Fri 7/17

11:31 am-2:35 pm

2 stops21h 04m

Rome Fiumicino

Fri 7/24

7:30 am-11:53 pm

2 stops22h 23m

$1,610

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

Sat 9/5

7:00 am-7:05 am

1 stop18h 05m

Rome Fiumicino

Sat 9/12

6:40 am-9:33 am

2 stops32h 53m

$1,636

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

Sat 9/5

7:00 am-7:05 am

1 stop18h 05m

Rome Fiumicino

Sat 9/12

10:25 am-6:35 pm

1 stop14h 10m

$1,652

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

Tue 7/7

7:26 am-9:15 am

3 stops19h 49m

Rome Fiumicino

Tue 7/14

6:20 am-5:41 pm

3 stops41h 21m

$1,672

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

Fri 7/17

5:29 pm-7:05 am

1 stop31h 36m

Rome Fiumicino

Fri 7/24

12:15 pm-10:30 am

2 stops28h 15m

$1,939

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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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 Tuesday is the least expensive day to fly to Rome Fiumicino Airport. Tickets to fly out on this day can be as low as $698. The most expensive day to fly to Rome Fiumicino Airport is Friday, with ticket prices averaging around $785.

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 $698. 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 $780.

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

16h 25m

Direct flights

None
The fastest flight from Islip, New York to Rome Fiumicino Airport takes 16h 25m
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 16h 25m, 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
Chianciano Terme
Ladispoli
Pienza
Tivoli
Sperlonga
Terracina
Saturnia
Ciampino
Santa Marinella
Anzio
Orbetello
Grosseto
Ascoli Piceno

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.

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