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Cheap flights from Islip, New York to Ireland from €379

This is the cheapest one-way 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 18/7. 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
0 bags
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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
14:28 - 08:45
ISP
-
DUB
13h 17m
1 stop
Multiple Airlines Logo
14:15 - 16:47
DUB
-
ISP
31h 32m
2 stops
€1,040Multiple Airlines
Mon, 10 Aug - Mon, 31 Aug
Multiple Airlines Logo
14:28 - 08:45
ISP
-
DUB
13h 17m
1 stop
Multiple Airlines Logo
13:50 - 15:56
DUB
-
ISP
31h 06m
1 stop
€1,159Multiple Airlines
Mon, 10 Aug - Mon, 31 Aug
Multiple Airlines Logo
21:52 - 11:30
ISP
-
DUB
32h 38m
2 stops
Multiple Airlines Logo
15:30 - 16:47
DUB
-
ISP
30h 17m
1 stop
€1,379Multiple Airlines
Mon, 22 Jun - Mon, 29 Jun
Multiple Airlines Logo
21:52 - 11:30
ISP
-
DUB
32h 38m
2 stops
Multiple Airlines Logo
15:30 - 16:47
DUB
-
ISP
30h 17m
1 stop
€1,384Multiple Airlines
Mon, 22 Jun - Mon, 29 Jun
Multiple Airlines Logo
21:52 - 11:30
ISP
-
DUB
32h 38m
2 stops
Multiple Airlines Logo
15:30 - 16:47
DUB
-
ISP
30h 17m
1 stop
€1,401Multiple Airlines
Mon, 22 Jun - Mon, 29 Jun
Multiple Airlines Logo
07:00 - 08:15
ISP
-
DUB
20h 15m
2 stops
Multiple Airlines Logo
16:45 - 16:05
DUB
-
ISP
28h 20m
2 stops
€1,446Multiple Airlines
Mon, 10 Aug - Mon, 31 Aug
Multiple Airlines Logo
21:52 - 09:20
ISP
-
DUB
30h 28m
1 stop
Multiple Airlines Logo
15:30 - 16:47
DUB
-
ISP
30h 17m
1 stop
€1,633Multiple Airlines
Mon, 22 Jun - Mon, 29 Jun
Multiple Airlines Logo
21:52 - 09:20
ISP
-
DUB
30h 28m
1 stop
Multiple Airlines Logo
15:30 - 16:47
DUB
-
ISP
30h 17m
1 stop
€1,633Multiple Airlines
Mon, 22 Jun - Mon, 29 Jun
Multiple Airlines Logo
14:28 - 08:45
ISP
-
DUB
13h 17m
1 stop
Multiple Airlines Logo
15:30 - 16:47
DUB
-
ISP
30h 17m
1 stop
€1,655Multiple Airlines
Mon, 22 Jun - Mon, 29 Jun
Multiple Airlines Logo
13:51 - 05:10
ISP
-
DUB
34h 19m
2 stops
Multiple Airlines Logo
16:10 - 12:56
DUB
-
ISP
25h 46m
2 stops
€1,802Multiple Airlines
Mon, 22 Jun - Mon, 29 Jun

momondo Fare Finder

 
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 12 May 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 - DUB

ISPDUB

Islip Long Island

Mon 10/8

14:28-08:45

1 stop13h 17m

Dublin

Mon 31/8

14:15-16:47

2 stops31h 32m

€1,040

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Mon 10/8

14:28-08:45

1 stop13h 17m

Dublin

Mon 31/8

13:50-15:56

1 stop31h 06m

€1,159

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Mon 22/6

21:52-11:30

2 stops32h 38m

Dublin

Mon 29/6

15:30-16:47

1 stop30h 17m

€1,379

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Mon 22/6

21:52-11:30

2 stops32h 38m

Dublin

Mon 29/6

15:30-16:47

1 stop30h 17m

€1,384

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Mon 22/6

21:52-11:30

2 stops32h 38m

Dublin

Mon 29/6

15:30-16:47

1 stop30h 17m

€1,401

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Mon 10/8

07:00-08:15

2 stops20h 15m

Dublin

Mon 31/8

16:45-16:05

2 stops28h 20m

€1,446

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Mon 22/6

21:52-09:20

1 stop30h 28m

Dublin

Mon 29/6

15:30-16:47

1 stop30h 17m

€1,633

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Mon 22/6

21:52-09:20

1 stop30h 28m

Dublin

Mon 29/6

15:30-16:47

1 stop30h 17m

€1,633
Fastest return journey

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Mon 22/6

14:28-08:45

1 stop13h 17m

Dublin

Mon 29/6

15:30-16:47

1 stop30h 17m

€1,655

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Mon 22/6

13:51-05:10

2 stops34h 19m

Dublin

Mon 29/6

16:10-12:56

2 stops25h 46m

€1,802

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

See travel insights to Ireland from

How to get the cheapest flight ticket from Islip, New York to Ireland

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

Which airlines fly to Ireland?

Aer Lingus, United Airlines and JetBlue are the top three most popular airlines that fly to Ireland from Islip, New York according to our data. Aer Lingus is the first choice among our users, with 46% of people opting to fly with this airline when travelling to Ireland. Keep in mind that there are 3 different airlines that fly to Ireland on a routine basis, so you have a few additional options to choose from.

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

13h 17m

Direct flights

None
The fastest flight from Islip, New York to Ireland takes 13h 17m
There are no direct flights from Islip, New York to Ireland. There are no popular flight routes from Islip, New York to Ireland.
Search flight deals

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.

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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