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Cheap flights from Islip, New York to Ireland from $1,329

This is the cheapest round-trip 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 7/15. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
4:40 pm - 8:20 am
ISP
-
DUB
34h 40m
2 stops
JetBlue Logo
11:40 am - 11:35 am
DUB
-
ISP
28h 55m
2 stops
$1,329JetBlue
on., jul. 15 - to., jul. 23
Multiple Airlines Logo
10:48 am - 3:45 pm
ISP
-
DUB
23h 57m
2 stops
Multiple Airlines Logo
3:30 pm - 1:28 pm
DUB
-
ISP
26h 58m
1 stop
$1,502Multiple Airlines
on., jul. 15 - to., jul. 23
Multiple Airlines Logo
8:17 am - 6:00 am
ISP
-
SNN
16h 43m
2 stops
Multiple Airlines Logo
2:30 pm - 8:04 pm
SNN
-
ISP
34h 34m
2 stops
$1,528Multiple Airlines
fr., apr. 24 - fr., mai 1
Multiple Airlines Logo
9:59 am - 5:25 am
ISP
-
SNN
14h 26m
1 stop
Multiple Airlines Logo
7:30 am - 7:45 pm
SNN
-
ISP
17h 15m
2 stops
$1,542Multiple Airlines
sø., mai 10 - sø., mai 17
Multiple Airlines Logo
12:30 pm - 4:35 am
ISP
-
DUB
11h 05m
1 stop
Multiple Airlines Logo
7:50 pm - 11:05 am
DUB
-
ISP
20h 15m
1 stop
$1,602Multiple Airlines
on., jul. 15 - to., jul. 23
Multiple Airlines Logo
12:30 pm - 8:25 am
ISP
-
DUB
14h 55m
1 stop
Multiple Airlines Logo
7:50 pm - 11:05 am
DUB
-
ISP
20h 15m
1 stop
$1,610Multiple Airlines
sø., mai 24 - to., mai 28
Multiple Airlines Logo
12:30 pm - 8:25 am
ISP
-
DUB
14h 55m
1 stop
Multiple Airlines Logo
7:50 pm - 11:05 am
DUB
-
ISP
20h 15m
1 stop
$1,635Multiple Airlines
sø., mai 24 - to., mai 28
Multiple Airlines Logo
12:30 pm - 8:25 am
ISP
-
DUB
14h 55m
1 stop
Multiple Airlines Logo
6:30 am - 4:10 pm
DUB
-
ISP
14h 40m
2 stops
$1,652Multiple Airlines
sø., mai 24 - to., mai 28
Multiple Airlines Logo
8:59 pm - 5:25 am
ISP
-
SNN
27h 26m
2 stops
Multiple Airlines Logo
2:30 pm - 8:04 pm
SNN
-
ISP
34h 34m
2 stops
$1,684Multiple Airlines
sø., mai 10 - sø., mai 17
Multiple Airlines Logo
12:30 pm - 5:25 am
ISP
-
SNN
11h 55m
1 stop
Multiple Airlines Logo
1:45 pm - 7:45 pm
SNN
-
ISP
11h 00m
1 stop
$1,996Multiple Airlines
sø., mai 10 - sø., mai 17

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated mars 28, 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 round-trip

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

on. 7/15

4:40 pm-8:20 am

2 stops34h 40m

Dublin

to. 7/23

11:40 am-11:35 am

2 stops28h 55m

$1,329

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

on. 7/15

10:48 am-3:45 pm

2 stops23h 57m

Dublin

to. 7/23

3:30 pm-1:28 pm

1 stop26h 58m

$1,502

IslipShannon

ISP - SNN

ISPSNN

Islip Long Island

fr. 4/24

8:17 am-6:00 am

2 stops16h 43m

Shannon

fr. 5/1

2:30 pm-8:04 pm

2 stops34h 34m

$1,528

IslipShannon

ISP - SNN

ISPSNN

Islip Long Island

sø. 5/10

9:59 am-5:25 am

1 stop14h 26m

Shannon

sø. 5/17

7:30 am-7:45 pm

2 stops17h 15m

$1,542

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

on. 7/15

12:30 pm-4:35 am

1 stop11h 05m

Dublin

to. 7/23

7:50 pm-11:05 am

1 stop20h 15m

$1,602

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

sø. 5/24

12:30 pm-8:25 am

1 stop14h 55m

Dublin

to. 5/28

7:50 pm-11:05 am

1 stop20h 15m

$1,610

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

sø. 5/24

12:30 pm-8:25 am

1 stop14h 55m

Dublin

to. 5/28

7:50 pm-11:05 am

1 stop20h 15m

$1,635

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

sø. 5/24

12:30 pm-8:25 am

1 stop14h 55m

Dublin

to. 5/28

6:30 am-4:10 pm

2 stops14h 40m

$1,652

IslipShannon

ISP - SNN

ISPSNN

Islip Long Island

sø. 5/10

8:59 pm-5:25 am

2 stops27h 26m

Shannon

sø. 5/17

2:30 pm-8:04 pm

2 stops34h 34m

$1,684
Quickest round-trip

IslipShannon

ISP - SNN

ISPSNN

Islip Long Island

sø. 5/10

12:30 pm-5:25 am

1 stop11h 55m

Shannon

sø. 5/17

1:45 pm-7:45 pm

1 stop11h 00m

$1,996

Flights are sorted by cheapest round-trip 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

What airlines fly to Ireland?

Aer Lingus, United Airlines and Delta 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 44% of people opting to fly with this airline when traveling to Ireland. Keep in mind that there are 16 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

14h 26m

Direct flights

None
The fastest flight from Islip, New York to Ireland takes 14h 26m
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

  • 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 refresh daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. 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 required travel and health documents for your Ireland trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ireland. We recommend that you seek guidance from your airline or a reliable 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?

All flight searches from Islip to Ireland on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Islip to Ireland?

Once all potential Islip to Ireland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Ireland, momondo offers a useful price alert feature which will track prices for flights to Ireland from Islip and alert you when they change.

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ma. 4/27
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