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Cheap flights from Islip, New York to Rome from $667

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 7/3. 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
0 bags

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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
11:57 am - 7:05 am
ISP
-
FCO
37h 08m
2 stops
Multiple Airlines Logo
10:25 am - 7:45 pm
FCO
-
ISP
15h 20m
1 stop
$1,404Multiple Airlines
Wed, May 13 - Sun, May 24
Multiple Airlines Logo
10:31 am - 7:15 am
ISP
-
FCO
39h 44m
2 stops
Multiple Airlines Logo
10:25 am - 6:44 pm
FCO
-
ISP
14h 19m
1 stop
$1,484Multiple Airlines
Thu, Mar 26 - Thu, Apr 2
Multiple Airlines Logo
12:30 pm - 6:50 am
ISP
-
FCO
12h 20m
1 stop
Multiple Airlines Logo
1:10 pm - 7:45 pm
FCO
-
ISP
12h 35m
1 stop
$1,802Multiple Airlines
Wed, May 13 - Sun, May 24
Multiple Airlines Logo
9:59 am - 6:05 am
ISP
-
FCO
15h 06m
2 stops
Multiple Airlines Logo
7:15 am - 6:44 pm
FCO
-
ISP
17h 29m
2 stops
$1,976Multiple Airlines
Sat, Mar 28 - Sat, Apr 4
Multiple Airlines Logo
7:25 am - 7:05 am
ISP
-
FCO
17h 40m
2 stops
Multiple Airlines Logo
7:30 am - 7:45 pm
FCO
-
ISP
18h 15m
2 stops
$2,039Multiple Airlines
Fri, Jul 17 - Sun, Jul 26
Multiple Airlines Logo
9:59 am - 5:55 pm
ISP
-
FCO
26h 56m
2 stops
Multiple Airlines Logo
10:25 am - 6:44 pm
FCO
-
ISP
14h 19m
1 stop
$2,050Multiple Airlines
Sat, Mar 28 - Sat, Apr 4
Multiple Airlines Logo
9:59 am - 10:40 am
ISP
-
FCO
19h 41m
2 stops
Multiple Airlines Logo
6:50 am - 6:44 pm
FCO
-
ISP
17h 54m
2 stops
$2,100Multiple Airlines
Thu, Mar 26 - Thu, Apr 2
Multiple Airlines Logo
5:25 pm - 7:55 pm
ISP
-
FCO
44h 30m
2 stops
Multiple Airlines Logo
7:30 am - 12:56 pm
FCO
-
ISP
35h 26m
2 stops
$2,220Multiple Airlines
Wed, May 13 - Thu, May 21
Multiple Airlines Logo
9:59 am - 7:05 am
ISP
-
FCO
15h 06m
2 stops
Multiple Airlines Logo
7:30 am - 7:45 pm
FCO
-
ISP
18h 15m
2 stops
$2,273Multiple Airlines
Fri, Jul 3 - Sun, Jul 12
Multiple Airlines Logo
5:25 pm - 7:55 pm
ISP
-
FCO
44h 30m
2 stops
Multiple Airlines Logo
7:30 am - 12:56 pm
FCO
-
ISP
35h 26m
2 stops
$2,412Multiple Airlines
Wed, May 13 - Sun, May 24

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 February 12, 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

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

Wed 5/13

11:57 am-7:05 am

2 stops37h 08m

Rome Fiumicino

Sun 5/24

10:25 am-7:45 pm

1 stop15h 20m

$1,404

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

Thu 3/26

10:31 am-7:15 am

2 stops39h 44m

Rome Fiumicino

Thu 4/2

10:25 am-6:44 pm

1 stop14h 19m

$1,484

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

Wed 5/13

12:30 pm-6:50 am

1 stop12h 20m

Rome Fiumicino

Sun 5/24

1:10 pm-7:45 pm

1 stop12h 35m

$1,802

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

Sat 3/28

9:59 am-6:05 am

2 stops15h 06m

Rome Fiumicino

Sat 4/4

7:15 am-6:44 pm

2 stops17h 29m

$1,976

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

Fri 7/17

7:25 am-7:05 am

2 stops17h 40m

Rome Fiumicino

Sun 7/26

7:30 am-7:45 pm

2 stops18h 15m

$2,039

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

Sat 3/28

9:59 am-5:55 pm

2 stops26h 56m

Rome Fiumicino

Sat 4/4

10:25 am-6:44 pm

1 stop14h 19m

$2,050

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

Thu 3/26

9:59 am-10:40 am

2 stops19h 41m

Rome Fiumicino

Thu 4/2

6:50 am-6:44 pm

2 stops17h 54m

$2,100

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

Wed 5/13

5:25 pm-7:55 pm

2 stops44h 30m

Rome Fiumicino

Thu 5/21

7:30 am-12:56 pm

2 stops35h 26m

$2,220

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

Fri 7/3

9:59 am-7:05 am

2 stops15h 06m

Rome Fiumicino

Sun 7/12

7:30 am-7:45 pm

2 stops18h 15m

$2,273

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

Wed 5/13

5:25 pm-7:55 pm

2 stops44h 30m

Rome Fiumicino

Sun 5/24

7:30 am-12:56 pm

2 stops35h 26m

$2,412

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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 Monday is the least expensive day to fly to Rome Fiumicino Airport. Tickets to fly out on this day can be as low as $708. The most expensive day to fly to Rome Fiumicino Airport is Friday, with ticket prices averaging around $810.

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 $691. 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 $805.

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

15h 06m

Direct flights

None
The fastest flight from Islip, New York to Rome Fiumicino Airport takes 15h 06m
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

  • 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 15h 06m, 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
Pienza
Ponza
Montepulciano
Tivoli
Sperlonga
Gaeta
Orvieto
Chianciano Terme
Cortona
Terracina
Ciampino
Saturnia
Santa Marinella
Sabaudia
Grosseto
Ascoli Piceno
Orbetello

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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