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Cheap flights from Islip to Ireland from €232

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 to Ireland departing on 29/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Find the cheapest flights from Islip to Ireland

Cheap return flights

Logo
16:33 - 06:20ISP-SNN
8h 47m1 stop
Logo
14:45 - 20:01SNN-ISP
10h 16m1 stop
€832
Find Deal
Mon, 12 Jan - Sun, 25 Jan
Logo
16:33 - 06:20ISP-SNN
8h 47m1 stop
Logo
14:45 - 20:01SNN-ISP
10h 16m1 stop
€853
Find Deal
Mon, 2 Feb - Sun, 15 Feb
Logo
16:33 - 06:20ISP-SNN
8h 47m1 stop
Logo
14:45 - 20:01SNN-ISP
10h 16m1 stop
€875
Find Deal
Mon, 10 Nov - Sun, 23 Nov
Logo
21:37 - 10:00ISP-DUB
31h 23m2 stops
Logo
16:45 - 10:58DUB-ISP
23h 13m1 stop
€928
Find Deal
Thu, 16 Oct - Wed, 22 Oct
Logo
07:30 - 11:05ISP-DUB
22h 35m2 stops
Logo
21:00 - 20:01DUB-ISP
28h 01m3 stops
€955
Find Deal
Thu, 16 Oct - Wed, 22 Oct
Logo
16:33 - 04:30ISP-DUB
30h 57m1 stop
Logo
13:25 - 10:55DUB-ISP
26h 30m2 stops
€998
Find Deal
Fri, 19 Sep - Fri, 26 Sep
Logo
14:19 - 04:30ISP-DUB
9h 11m1 stop
Logo
16:45 - 10:58DUB-ISP
23h 13m1 stop
€1,002
Find Deal
Thu, 16 Oct - Wed, 22 Oct
Logo
16:33 - 08:25ISP-DUB
10h 52m1 stop
Logo
08:30 - 10:58DUB-ISP
31h 28m2 stops
€1,006
Find Deal
Sun, 5 Oct - Sun, 12 Oct
Logo
16:33 - 04:30ISP-DUB
30h 57m1 stop
Logo
13:55 - 10:55DUB-ISP
26h 00m1 stop
€1,020
Find Deal
Fri, 19 Sep - Fri, 26 Sep
Logo
07:30 - 08:25ISP-DUB
19h 55m1 stop
Logo
12:40 - 20:01DUB-ISP
12h 21m1 stop
€1,027
Find Deal
Sun, 5 Oct - Sun, 12 Oct

momondo Fare Finder

 
Customise 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, momondo users made 13,528 searches. Data last updated 23 August 2025.
Use the filters below to find and compare flights from Islip to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IslipShannon

ISP - SNN

ISPSNN

Islip Long Island

Mon 12/1

16:33-06:20

1 stop8h 47m

Shannon

Sun 25/1

14:45-20:01

1 stop10h 16m

€832

IslipShannon

ISP - SNN

ISPSNN

Islip Long Island

Mon 2/2

16:33-06:20

1 stop8h 47m

Shannon

Sun 15/2

14:45-20:01

1 stop10h 16m

€853

IslipShannon

ISP - SNN

ISPSNN

Islip Long Island

Mon 10/11

16:33-06:20

1 stop8h 47m

Shannon

Sun 23/11

14:45-20:01

1 stop10h 16m

€875

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Thu 16/10

21:37-10:00

2 stops31h 23m

Dublin

Wed 22/10

16:45-10:58

1 stop23h 13m

€928

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Thu 16/10

07:30-11:05

2 stops22h 35m

Dublin

Wed 22/10

21:00-20:01

3 stops28h 01m

€955

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Fri 19/9

16:33-04:30

1 stop30h 57m

Dublin

Fri 26/9

13:25-10:55

2 stops26h 30m

€998

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Thu 16/10

14:19-04:30

1 stop9h 11m

Dublin

Wed 22/10

16:45-10:58

1 stop23h 13m

€1,002

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Sun 5/10

16:33-08:25

1 stop10h 52m

Dublin

Sun 12/10

08:30-10:58

2 stops31h 28m

€1,006

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Fri 19/9

16:33-04:30

1 stop30h 57m

Dublin

Fri 26/9

13:55-10:55

1 stop26h 00m

€1,020

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Sun 5/10

07:30-08:25

1 stop19h 55m

Dublin

Sun 12/10

12:40-20:01

1 stop12h 21m

€1,027

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ireland from

How to get the cheapest flight ticket from Islip 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?

United Airlines, Aer Lingus and Delta are the top three most popular airlines that fly to Ireland from Islip according to our data. United Airlines is the first choice among our users, with 42% of people opting to fly with this airline when travelling to Ireland. Keep in mind that there are 4 different airlines that fly to Ireland on a routine basis, so you have a few additional options to choose from.

Cheap Islip to Ireland flight deals and tips

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

Direct flights

None
There are no direct flights from Islip to Ireland. There are no popular flight routes from Islip to Ireland.
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  • 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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