$1,221+ Cheap flights from Islip, NY (ISP) to Ireland
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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — DUB
Dec 13 — Dec 201
1 adult, Economy
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Cheapest flights from Islip to IrelandExplore the most affordable flight options available from Islip to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.
Explore the most affordable flight options available from Islip to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.
This Kiwi.com deal was found by Cheapflights users on 11/11. 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.
Tue 11/116:27 pmISP - DUB
2 stops29h 48mMultiple Airlines
Tue 11/181:45 pmDUB - ISP
1 stop25h 52mMultiple Airlines
Deal found 11/11![Multiple Airlines logo]()
$1,221
This Kiwi.com deal was found by Cheapflights users on 11/11. 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.
Sat 12/2712:30 pmISP - DUB
1 stop10h 45mMultiple Airlines
Sat 1/36:30 amDUB - ISP
2 stops35h 39mMultiple Airlines
Deal found 11/11![Multiple Airlines logo]()
$1,753
Cheap flight deals from Islip to Ireland
Keep the following information in mind while searching for Islip to Ireland flight deals. Data was last updated November 13, 2025.
Most accurate provider | Mytrip 3 stars |
|---|---|
Most trusted provider | Mytrip 3 stars |
Round-trip from | $1,209 (Ovago) |
Popular in | December |
Cheapest in | October |
Average price | $488 |
Cheapflights Fare Finder
Customize your flight search to find flights from Islip to Ireland 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 November 13, 2025.
Use the filters below to find and compare flights from Islip to Ireland that are best for you.
Fly from
Islip
Fly to
Ireland
Route
Depart
Return
Price
IslipDublin
ISP - DUB
ISPDUB
Islip Long Island
Sat 12/27
12:30 pm-4:15 am
1 stop10h 45m
Dublin
Sat 1/3
6:30 am-1:09 pm
2 stops35h 39m
$1,753
Best time to book a flight from Islip to Ireland
Have a flexible travel schedule? Discover the best time to fly to Ireland from Islip 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 Islip to Ireland
What is the cheapest month to book a flight from Islip, New York to Ireland?
Currently, February is the cheapest month in which you can book a flight from Islip, New York to Ireland (average of $242). Flying from Islip, New York to Ireland in June is currently the most expensive (average of $433). 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.