$1,133+ Cheap flights from Islip (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 3/14. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — DUB
Oct 17 — Oct 241
1 adult, Economy
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Find cheap flights from Islip to Ireland with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 September 17, 2025.
Round-trip from | $1,133 (Ovago) |
|---|---|
Popular in | December |
Cheapest in | January |
Average price | $547 |
Find flight deals from Islip to Ireland
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 September 17, 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 September 17, 2025.
This Mytrip deal was found by Cheapflights users on 9/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/17:30 amISP - DUB
3 stops32h 20mMultiple Airlines
Sat 11/84:55 pmDUB - ISP
2 stops31h 50mMultiple Airlines
Deal found 9/17![Multiple Airlines logo]()
$1,166
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 September 17, 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 3/14
12:40 pm-8:20 am
1 stop15h 40m
Dublin
Fri 3/20
11:40 am-7:45 pm
1 stop12h 05m
$1,133
IslipDublin
ISP - DUB
ISPDUB
Islip Long Island
Sat 11/1
7:30 am-7:50 pm
3 stops32h 20m
Dublin
Sat 11/8
4:55 pm-7:45 pm
2 stops31h 50m
$1,166
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 to Ireland?
Currently, November is the cheapest month in which you can book a flight from Islip to Ireland (average of $509). Flying from Islip to Ireland in June is currently the most expensive (average of $923). 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.