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$2,006+ Cheap flights from Rome (ROM) to Islip, NY (ISP)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/27. Fares are subject to change and may not be available on all flights or dates of travel.
ROM — ISP
Mar 16 — Mar 231
Mon 3/16
Mon 3/23
1 adult, Economy
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Cheap flight deals from Rome to Islip

Cheapest flights from Rome to Islip
Explore the most affordable flight options available from Rome to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 14, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2710:15 am
FCO
-
ISP
1 stop13h 29m
Multiple Airlines
Fri 4/36:15 am
ISP
-
FCO
2 stops32h 25m
Multiple Airlines
Deal found 2/10$2,006

Find flight deals from Rome to Islip

Discover tips and strategies to find the most affordable flight options for your journey from Rome (ROM) to Islip (ISP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$2,006
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$543
Provider with most accurate pricing for Rome (ROM)-Islip Long Island flight deals.
Search Deals
Provider most trusted by Cheapflights users for Rome (ROM)-Islip Long Island flights.
Search Deals
From Rome (ROM) to Islip Long Island
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Rome to Islip 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, Cheapflights users made 2,558,603 searches. Data last updated February 14, 2026.
Use the filters below to find and compare flights from Rome to Islip that are best for you.

Fly from

Rome

Fly to

Islip

Route

Depart

Return

Price

RomeIslip

FCO - ISP

FCOISP

Rome Fiumicino

Fri 3/27

10:15 am-6:44 pm

1 stop13h 29m

Islip Long Island

Fri 4/3

6:15 am-8:40 pm

2 stops32h 25m

$2,006

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

  • Most accurate provider: When it comes to deals on Rome-Islip, New York flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Rome-Islip, New York flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Rome-Islip, New York flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Rome-Islip, New York flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Rome-Islip, New York flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Rome to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Rome with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Rome to Islip

What is the cheapest month to book a flight from Rome to Islip, New York?

Currently, September is the cheapest month in which you can book a flight from Rome to Islip, New York (average of $331). Flying from Rome to Islip, New York in June is currently the most expensive (average of $479). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Rome to Islip. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Islip from Rome?

    For a flight from Rome to Islip, you will be flying into Long Island. Islip Long Island (ISP) is just 7.2 mi from the center of the city. Long Island is the only Islip airport and it handles 0 inbound flights from Rome per day. 0 airlines have flights to Islip Long Island from Rome on a regular basis.

  • Can I find deals for flights from Rome to Islip that include hotel bookings?

    Yes. In addition to deals on Rome to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Rome to Islip?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rome to Islip.

  • Can I find deals for business class flights from Rome to Islip?

    Yes. Cheapflights offers flight deals from Rome to Islip by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Rome to Islip, New York?

    Currently, September is the cheapest month in which you can book a flight from Rome to Islip, New York (average of $331). Flying from Rome to Islip, New York in June is currently the most expensive (average of $479). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Islip?

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