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Cheap flights from Islip, New York to Ireland from €1,076

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Islip, New York to Ireland departing on 11/9. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Islip, New York to Ireland

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
07:05 - 07:45ISP  Islip Long Island-DUB Dublin
19h 40m2 stops Boston Logan Intl Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
09:20 - 20:59DUB  Dublin-ISP Islip Long Island
16h 39m2 stops Toronto Pearson Intl Boston Logan Intl
€1,076Multiple Airlines
Fri, 11 Sep - Fri, 18 Sep
Multiple Airlines Logo
17:43 - 04:35ISP  Islip Long Island-DUB Dublin
29h 52m2 stops Orlando Boston Logan Intl
Multiple Airlines Logo
13:50 - 16:58DUB  Dublin-ISP Islip Long Island
32h 08m1 stop Orlando
€1,087Multiple Airlines
Fri, 11 Sep - Fri, 18 Sep
Multiple Airlines Logo
09:05 - 04:35ISP  Islip Long Island-DUB Dublin
14h 30m1 stop Boston Logan Intl
Multiple Airlines Logo
12:45 - 20:59DUB  Dublin-ISP Islip Long Island
13h 14m1 stop Boston Logan Intl
€1,089Multiple Airlines
Fri, 11 Sep - Fri, 18 Sep
Multiple Airlines Logo
09:05 - 04:35ISP  Islip Long Island-DUB Dublin
14h 30m1 stop Boston Logan Intl
Multiple Airlines Logo
12:45 - 20:59DUB  Dublin-ISP Islip Long Island
13h 14m1 stop Boston Logan Intl
€1,090Multiple Airlines
Fri, 11 Sep - Fri, 18 Sep
Multiple Airlines Logo
17:43 - 04:35ISP  Islip Long Island-DUB Dublin
29h 52m2 stops Orlando Boston Logan Intl
Multiple Airlines Logo
13:50 - 16:58DUB  Dublin-ISP Islip Long Island
32h 08m1 stop Orlando
€1,171Multiple Airlines
Fri, 11 Sep - Fri, 18 Sep
Multiple Airlines Logo
16:26 - 04:35ISP  Islip Long Island-DUB Dublin
31h 09m2 stops Orlando Boston Logan Intl
Multiple Airlines Logo
11:10 - 23:22DUB  Dublin-ISP Islip Long Island
17h 12m2 stops New York John F Kennedy Intl Fort Lauderdale
€1,205Multiple Airlines
Fri, 11 Sep - Fri, 18 Sep
Multiple Airlines Logo
07:00 - 06:00ISP  Islip Long Island-SNN Shannon
18h 00m2 stops West Palm Beach President Donald J. Trump Intl New York John F Kennedy Intl
Multiple Airlines Logo
14:30 - 15:36SNN  Shannon-ISP Islip Long Island
30h 06m2 stops New York John F Kennedy Intl Orlando
€1,247Multiple Airlines
Fri, 4 Sep - Thu, 10 Sep
Multiple Airlines Logo
07:05 - 15:50ISP  Islip Long Island-SNN Shannon
27h 45m3 stops Boston Logan Intl Montreal Pierre Elliott Trudeau Intl London Heathrow
Multiple Airlines Logo
12:15 - 20:59SNN  Shannon-ISP Islip Long Island
37h 44m3 stops Madrid Barajas Lisbon Humberto Delgado Boston Logan Intl
€1,287Multiple Airlines
Fri, 4 Sep - Thu, 10 Sep
Multiple Airlines Logo
07:05 - 11:20ISP  Islip Long Island-SNN Shannon
23h 15m2 stops Boston Logan Intl London Heathrow
Multiple Airlines Logo
13:45 - 20:15SNN  Shannon-ISP Islip Long Island
11h 30m1 stop Boston Logan Intl
€1,317Multiple Airlines
Fri, 4 Sep - Thu, 10 Sep
Multiple Airlines Logo
07:05 - 05:25ISP  Islip Long Island-SNN Shannon
17h 20m1 stop Boston Logan Intl
Multiple Airlines Logo
13:45 - 20:15SNN  Shannon-ISP Islip Long Island
11h 30m1 stop Boston Logan Intl
€1,505Multiple Airlines
Fri, 4 Sep - Thu, 10 Sep

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Customise your flight search to find flights from Islip, New York 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, momondo users made 13,528 searches. Data last updated 9 August 2026.
Use the filters below to find and compare flights from Islip, New York to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

IslipDublin

ISP Islip Long Island - DUB Dublin

ISPDUB

Islip Long Island

Fri 11/9

07:05-07:45

2 stops19h 40m

Dublin

Fri 18/9

09:20-20:59

2 stops16h 39m

€1,076

IslipDublin

ISP Islip Long Island - DUB Dublin

ISPDUB

Islip Long Island

Fri 11/9

17:43-04:35

2 stops29h 52m

Dublin

Fri 18/9

13:50-16:58

1 stop32h 08m

€1,087
Fastest return journey

IslipDublin

ISP Islip Long Island - DUB Dublin

ISPDUB

Islip Long Island

Fri 11/9

09:05-04:35

1 stop14h 30m

Dublin

Fri 18/9

12:45-20:59

1 stop13h 14m

€1,089

IslipDublin

ISP Islip Long Island - DUB Dublin

ISPDUB

Islip Long Island

Fri 11/9

09:05-04:35

1 stop14h 30m

Dublin

Fri 18/9

12:45-20:59

1 stop13h 14m

€1,090

IslipDublin

ISP Islip Long Island - DUB Dublin

ISPDUB

Islip Long Island

Fri 11/9

17:43-04:35

2 stops29h 52m

Dublin

Fri 18/9

13:50-16:58

1 stop32h 08m

€1,171

IslipDublin

ISP Islip Long Island - DUB Dublin

ISPDUB

Islip Long Island

Fri 11/9

16:26-04:35

2 stops31h 09m

Dublin

Fri 18/9

11:10-23:22

2 stops17h 12m

€1,205

IslipShannon

ISP Islip Long Island - SNN Shannon

ISPSNN

Islip Long Island

Fri 4/9

07:00-06:00

2 stops18h 00m

Shannon

Thu 10/9

14:30-15:36

2 stops30h 06m

€1,247

IslipShannon

ISP Islip Long Island - SNN Shannon

ISPSNN

Islip Long Island

Fri 4/9

07:05-15:50

3 stops27h 45m

Shannon

Thu 10/9

12:15-20:59

3 stops37h 44m

€1,287

IslipShannon

ISP Islip Long Island - SNN Shannon

ISPSNN

Islip Long Island

Fri 4/9

07:05-11:20

2 stops23h 15m

Shannon

Thu 10/9

13:45-20:15

1 stop11h 30m

€1,317

IslipShannon

ISP Islip Long Island - SNN Shannon

ISPSNN

Islip Long Island

Fri 4/9

07:05-05:25

1 stop17h 20m

Shannon

Thu 10/9

13:45-20:15

1 stop11h 30m

€1,505

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

Cheap Islip, New York to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip, New York to Ireland

Fastest flight time

18h 00m

Direct flights

None
The fastest flight from Islip, New York to Ireland takes 18h 00m
There are no direct flights from Islip, New York to Ireland. There are no popular flight routes from Islip, New York to Ireland.
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Frequently asked questions about flying from Islip, New York to Ireland

  • When did momondo last update prices for flights from Islip Long Island Airport to Ireland?

    Prices for flights from Islip Long Island Airport to Ireland are updated daily.

  • How old do you have to be to fly from Islip Long Island Airport to Ireland?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Islip Long Island Airport to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The necessary travel and health documents for your Ireland 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 licence 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.

Frequently asked questions about flying from Islip, New York to Ireland

  • How do I get Price Alerts for flights from Islip, New York to Ireland?

    Search flight deals from Islip, New York to Ireland. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Islip, New York to Ireland with momondo?

    By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

Why should I use momondo to find a flight deal from Islip to Ireland?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Islip to Ireland for you.

Can I find flights from Islip to Ireland with flexible booking policies on momondo?

Yes. All flights to Ireland 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 Ireland?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ireland from Islip.

I’m not ready to book a flight from Islip to Ireland right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Islip to Ireland flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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