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Cheap flights from Islip to Ireland from €866

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Islip to Ireland departing on 2/11. 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 to Ireland

Cheap return flights

Multiple Airlines Logo
12:40 - 08:20ISP-DUB
14h 40m1 stop
Multiple Airlines Logo
11:40 - 19:45DUB-ISP
13h 05m1 stop
€866Multiple Airlines
Find Deal
Sun, 2 Nov - Sun, 9 Nov
Multiple Airlines Logo
12:40 - 08:20ISP-DUB
15h 40m1 stop
Multiple Airlines Logo
11:40 - 19:45DUB-ISP
12h 05m1 stop
€960Multiple Airlines
Find Deal
Sat, 14 Mar - Fri, 20 Mar
Multiple Airlines Logo
12:40 - 08:20ISP-DUB
14h 40m1 stop
Multiple Airlines Logo
04:15 - 11:04DUB-ISP
35h 49m2 stops
€980Multiple Airlines
Find Deal
Sun, 2 Nov - Sat, 8 Nov
Multiple Airlines Logo
07:30 - 19:50ISP-DUB
32h 20m3 stops
Multiple Airlines Logo
16:55 - 19:45DUB-ISP
31h 50m2 stops
€988Multiple Airlines
Find Deal
Sat, 1 Nov - Sat, 8 Nov
Multiple Airlines Logo
12:40 - 08:20ISP-DUB
14h 40m1 stop
Multiple Airlines Logo
13:15 - 20:07DUB-ISP
35h 52m2 stops
€993Multiple Airlines
Find Deal
Sun, 2 Nov - Sun, 9 Nov
Multiple Airlines Logo
07:30 - 19:50ISP-DUB
32h 20m3 stops
Multiple Airlines Logo
04:25 - 19:45DUB-ISP
20h 20m2 stops
€1,011Multiple Airlines
Find Deal
Sat, 1 Nov - Fri, 7 Nov
Multiple Airlines Logo
07:30 - 19:50ISP-DUB
32h 20m3 stops
Multiple Airlines Logo
11:40 - 19:45DUB-ISP
13h 05m1 stop
€1,072Multiple Airlines
Find Deal
Sat, 1 Nov - Sat, 8 Nov
Multiple Airlines Logo
16:58 - 08:20ISP-DUB
35h 22m2 stops
Multiple Airlines Logo
11:40 - 19:45DUB-ISP
13h 05m1 stop
€1,096Multiple Airlines
Find Deal
Sat, 1 Nov - Sat, 8 Nov
Multiple Airlines Logo
07:30 - 06:10ISP-DUB
18h 40m2 stops
Multiple Airlines Logo
04:25 - 19:45DUB-ISP
20h 20m2 stops
€1,214Multiple Airlines
Find Deal
Sat, 1 Nov - Fri, 7 Nov
Multiple Airlines Logo
09:59 - 04:15ISP-DUB
14h 16m1 stop
Multiple Airlines Logo
04:25 - 19:45DUB-ISP
20h 20m2 stops
€1,247Multiple Airlines
Find Deal
Sat, 1 Nov - Fri, 7 Nov

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 19 September 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

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Sun 2/11

12:40-08:20

1 stop14h 40m

Dublin

Sun 9/11

11:40-19:45

1 stop13h 05m

€866

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Sat 14/3

12:40-08:20

1 stop15h 40m

Dublin

Fri 20/3

11:40-19:45

1 stop12h 05m

€960

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Sun 2/11

12:40-08:20

1 stop14h 40m

Dublin

Sat 8/11

04:15-11:04

2 stops35h 49m

€980

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Sat 1/11

07:30-19:50

3 stops32h 20m

Dublin

Sat 8/11

16:55-19:45

2 stops31h 50m

€988

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Sun 2/11

12:40-08:20

1 stop14h 40m

Dublin

Sun 9/11

13:15-20:07

2 stops35h 52m

€993

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Sat 1/11

07:30-19:50

3 stops32h 20m

Dublin

Fri 7/11

04:25-19:45

2 stops20h 20m

€1,011

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Sat 1/11

07:30-19:50

3 stops32h 20m

Dublin

Sat 8/11

11:40-19:45

1 stop13h 05m

€1,072

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Sat 1/11

16:58-08:20

2 stops35h 22m

Dublin

Sat 8/11

11:40-19:45

1 stop13h 05m

€1,096

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Sat 1/11

07:30-06:10

2 stops18h 40m

Dublin

Fri 7/11

04:25-19:45

2 stops20h 20m

€1,214

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Sat 1/11

09:59-04:15

1 stop14h 16m

Dublin

Fri 7/11

04:25-19:45

2 stops20h 20m

€1,247

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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 44% 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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