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Cheap flights from Islip, New York to Ireland from €943

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 21/7. 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
1 adult, Economy, 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.
JetBlue Logo
16:58 - 08:20
ISP
-
DUB
34h 22m
2 stops
JetBlue Logo
10:40 - 10:41
DUB
-
ISP
29h 01m
2 stops
€943JetBlue
Tue, 21 Jul - Tue, 28 Jul
Multiple Airlines Logo
12:00 - 08:45
ISP
-
DUB
15h 45m
1 stop
Multiple Airlines Logo
06:40 - 11:05
DUB
-
ISP
33h 25m
2 stops
€969Multiple Airlines
Tue, 6 Oct - Thu, 15 Oct
Multiple Airlines Logo
10:00 - 04:35
ISP
-
DUB
13h 35m
1 stop
Multiple Airlines Logo
10:40 - 09:53
DUB
-
ISP
52h 13m
2 stops
€1,032Multiple Airlines
Mon, 17 Aug - Sun, 23 Aug
Multiple Airlines Logo
12:00 - 08:45
ISP
-
DUB
15h 45m
1 stop
Multiple Airlines Logo
15:30 - 14:22
DUB
-
ISP
27h 52m
1 stop
€1,054Multiple Airlines
Tue, 6 Oct - Thu, 15 Oct
JetBlue Logo
06:00 - 08:20
ISP
-
DUB
45h 20m
2 stops
JetBlue Logo
11:30 - 00:07
DUB
-
ISP
41h 37m
2 stops
€1,057JetBlue
Mon, 17 Aug - Sun, 23 Aug
Multiple Airlines Logo
17:29 - 08:25
ISP
-
DUB
9h 56m
1 stop
Multiple Airlines Logo
12:15 - 13:28
DUB
-
ISP
30h 13m
2 stops
€1,137Multiple Airlines
Sun, 9 Aug - Sun, 16 Aug
Multiple Airlines Logo
17:29 - 07:45
ISP
-
DUB
33h 16m
2 stops
Multiple Airlines Logo
19:35 - 20:15
DUB
-
ISP
29h 40m
3 stops
€1,210Multiple Airlines
Sun, 9 Aug - Sun, 16 Aug
Multiple Airlines Logo
17:29 - 08:25
ISP
-
DUB
9h 56m
1 stop
Multiple Airlines Logo
19:35 - 20:15
DUB
-
ISP
29h 40m
3 stops
€1,227Multiple Airlines
Sun, 9 Aug - Sun, 16 Aug
Multiple Airlines Logo
15:05 - 10:15
ISP
-
DUB
14h 10m
2 stops
Multiple Airlines Logo
13:45 - 10:30
DUB
-
ISP
25h 45m
2 stops
€1,266Multiple Airlines
Fri, 7 Aug - Fri, 14 Aug
Multiple Airlines Logo
07:00 - 07:45
ISP
-
DUB
19h 45m
3 stops
Multiple Airlines Logo
19:35 - 20:15
DUB
-
ISP
29h 40m
3 stops
€1,298Multiple Airlines
Sun, 9 Aug - Sun, 16 Aug

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JetBlue flights from Islip, New York to Ireland

Our best JetBlue deals on Islip, New York to Ireland flight tickets
JetBlue
21 Jul
ISP16:58Islip Long Island
34h 22m
2 stops
DUB08:20Dublin
28 Jul
DUB10:40Dublin
29h 01m
2 stops
ISP10:41Islip Long Island
€943
JetBlue
17 Aug
ISP06:00Islip Long Island
45h 20m
2 stops
DUB08:20Dublin
23 Aug
DUB11:30Dublin
41h 37m
2 stops
ISP00:07Islip Long Island
€1,057

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 28 June 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

Tue 21/7

16:58-08:20

2 stops34h 22m

Dublin

Tue 28/7

10:40-10:41

2 stops29h 01m

€943

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Tue 6/10

12:00-08:45

1 stop15h 45m

Dublin

Thu 15/10

06:40-11:05

2 stops33h 25m

€969

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Mon 17/8

10:00-04:35

1 stop13h 35m

Dublin

Sun 23/8

10:40-09:53

2 stops52h 13m

€1,032

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Tue 6/10

12:00-08:45

1 stop15h 45m

Dublin

Thu 15/10

15:30-14:22

1 stop27h 52m

€1,054

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Mon 17/8

06:00-08:20

2 stops45h 20m

Dublin

Sun 23/8

11:30-00:07

2 stops41h 37m

€1,057

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Sun 9/8

17:29-08:25

1 stop9h 56m

Dublin

Sun 16/8

12:15-13:28

2 stops30h 13m

€1,137

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Sun 9/8

17:29-07:45

2 stops33h 16m

Dublin

Sun 16/8

19:35-20:15

3 stops29h 40m

€1,210
Fastest return journey

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Sun 9/8

17:29-08:25

1 stop9h 56m

Dublin

Sun 16/8

19:35-20:15

3 stops29h 40m

€1,227

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Fri 7/8

15:05-10:15

2 stops14h 10m

Dublin

Fri 14/8

13:45-10:30

2 stops25h 45m

€1,266

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Sun 9/8

07:00-07:45

3 stops19h 45m

Dublin

Sun 16/8

19:35-20:15

3 stops29h 40m

€1,298

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, 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 60% 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

9h 56m

Direct flights

None
The fastest flight from Islip, New York to Ireland takes 9h 56m
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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