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Cheap flights from Islip to Rome from $1,119

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

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Find the cheapest flights from Islip to Rome (ISP-FCO)

Cheap round-trip flights

Logo
4:33 pm - 12:10 amISP-FCO
25h 37m2 stops
Logo
11:20 am - 8:01 pmFCO-ISP
38h 41m3 stops
$1,119
Find Deal
Fri, Oct 10 - Fri, Oct 17
Logo
4:33 pm - 10:20 pmISP-FCO
23h 47m3 stops
Logo
11:20 am - 8:01 pmFCO-ISP
38h 41m3 stops
$1,174
Find Deal
Fri, Oct 10 - Fri, Oct 17
Logo
11:53 am - 12:10 amISP-FCO
30h 17m2 stops
Logo
5:45 pm - 8:01 pmFCO-ISP
32h 16m2 stops
$1,256
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Fri, Oct 10 - Fri, Oct 17
Logo
11:53 am - 7:05 amISP-FCO
13h 12m1 stop
Logo
6:25 am - 8:01 pmFCO-ISP
43h 36m2 stops
$1,335
Find Deal
Fri, Oct 10 - Fri, Oct 17
Logo
2:19 pm - 10:20 pmISP-FCO
26h 01m3 stops
Logo
3:45 pm - 10:58 amFCO-ISP
25h 13m2 stops
$1,356
Find Deal
Fri, Oct 10 - Fri, Oct 17
Logo
4:33 pm - 12:10 amISP-FCO
25h 37m2 stops
Logo
3:45 pm - 10:58 amFCO-ISP
25h 13m2 stops
$1,377
Find Deal
Fri, Oct 10 - Fri, Oct 17
Logo
11:53 am - 7:05 amISP-FCO
13h 12m1 stop
Logo
10:25 am - 8:01 pmFCO-ISP
15h 36m1 stop
$1,454
Find Deal
Fri, Oct 10 - Fri, Oct 17
Logo
11:53 am - 7:05 amISP-FCO
13h 12m1 stop
Logo
10:25 am - 8:01 pmFCO-ISP
15h 36m1 stop
$1,460
Find Deal
Fri, Oct 10 - Fri, Oct 17
Logo
11:53 am - 7:05 amISP-FCO
13h 12m1 stop
Logo
7:25 am - 8:01 pmFCO-ISP
42h 36m2 stops
$1,484
Find Deal
Fri, Oct 10 - Fri, Oct 17

momondo Fare Finder

 
Customize your flight search to find flights from Islip 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 28, 2025.
Use the filters below to find and compare flights from Islip to Rome Fiumicino Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

Fri 10/10

4:33 pm-12:10 am

2 stops25h 37m

Rome Fiumicino

Fri 10/17

11:20 am-8:01 pm

3 stops38h 41m

$1,119

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

Fri 10/10

4:33 pm-10:20 pm

3 stops23h 47m

Rome Fiumicino

Fri 10/17

11:20 am-8:01 pm

3 stops38h 41m

$1,174

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

Fri 10/10

11:53 am-12:10 am

2 stops30h 17m

Rome Fiumicino

Fri 10/17

5:45 pm-8:01 pm

2 stops32h 16m

$1,256

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

Fri 10/10

11:53 am-7:05 am

1 stop13h 12m

Rome Fiumicino

Fri 10/17

6:25 am-8:01 pm

2 stops43h 36m

$1,335

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

Fri 10/10

2:19 pm-10:20 pm

3 stops26h 01m

Rome Fiumicino

Fri 10/17

3:45 pm-10:58 am

2 stops25h 13m

$1,356

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

Fri 10/10

4:33 pm-12:10 am

2 stops25h 37m

Rome Fiumicino

Fri 10/17

3:45 pm-10:58 am

2 stops25h 13m

$1,377

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

Fri 10/10

11:53 am-7:05 am

1 stop13h 12m

Rome Fiumicino

Fri 10/17

10:25 am-8:01 pm

1 stop15h 36m

$1,454

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

Fri 10/10

11:53 am-7:05 am

1 stop13h 12m

Rome Fiumicino

Fri 10/17

10:25 am-8:01 pm

1 stop15h 36m

$1,460

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

Fri 10/10

11:53 am-7:05 am

1 stop13h 12m

Rome Fiumicino

Fri 10/17

7:25 am-8:01 pm

2 stops42h 36m

$1,484

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

Fri 10/3

2:19 pm-10:25 am

2 stops14h 06m

$1,659

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Rome from

How to get the cheapest flight ticket from Islip 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 $762. The most expensive day to fly to Rome Fiumicino Airport is Friday, with ticket prices averaging around $843.

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 at noon. momondo users have found flights departing from Islip to Rome Fiumicino Airport at noon for as low as $584. 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 $846.

When to book flights from Islip to Rome Fiumicino Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Islip 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 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 to Rome Fiumicino Airport

Direct flights

None
There are no direct flights from Islip to Rome Fiumicino Airport. There are no popular flight routes from Islip to Rome Fiumicino Airport.
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  • 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 13h 12m, 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
Ponza
Pienza
Tivoli
Sperlonga
Ciampino
Gaeta
Cortona
Orvieto
Montepulciano
Saturnia
Santa Marinella
Grosseto
Anzio
Sabaudia
Terracina
Ascoli Piceno
Foligno

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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