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Cheap flights from Islip, New York to Ireland from €475

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 6/8. 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

Find the cheapest flights from Islip, New York to Ireland

Cheap return flights

Enter your travel dates to find the best prices.
JetBlue Logo
06:00 - 09:00
ISP
-
DUB
22h 00m
2 stops
JetBlue Logo
10:40 - 23:22
DUB
-
ISP
17h 42m
2 stops
€838JetBlue
Tue, 8 Sep - Tue, 15 Sep
JetBlue Logo
06:00 - 09:00
ISP
-
DUB
22h 00m
2 stops
JetBlue Logo
10:40 - 23:22
DUB
-
ISP
17h 42m
2 stops
€883JetBlue
Mon, 7 Sep - Mon, 14 Sep
JetBlue Logo
10:06 - 09:00
ISP
-
DUB
17h 54m
2 stops
JetBlue Logo
11:30 - 23:22
DUB
-
ISP
16h 52m
2 stops
€893JetBlue
Sat, 5 Sep - Sat, 12 Sep
JetBlue Logo
06:00 - 09:00
ISP
-
DUB
22h 00m
2 stops
JetBlue Logo
11:30 - 21:44
DUB
-
ISP
39h 14m
2 stops
€913JetBlue
Thu, 20 Aug - Thu, 27 Aug
Multiple Airlines Logo
19:09 - 09:20
ISP
-
DUB
33h 11m
1 stop
Multiple Airlines Logo
14:15 - 11:20
DUB
-
ISP
26h 05m
2 stops
€975Multiple Airlines
Mon, 7 Sep - Mon, 14 Sep
Multiple Airlines Logo
19:09 - 09:20
ISP
-
DUB
33h 11m
1 stop
Multiple Airlines Logo
14:15 - 11:20
DUB
-
ISP
26h 05m
2 stops
€982Multiple Airlines
Mon, 7 Sep - Mon, 14 Sep
Multiple Airlines Logo
07:31 - 10:45
ISP
-
DUB
22h 14m
1 stop
Multiple Airlines Logo
13:15 - 16:58
DUB
-
ISP
32h 43m
2 stops
€1,031Multiple Airlines
Tue, 8 Sep - Tue, 15 Sep
Multiple Airlines Logo
10:57 - 09:20
ISP
-
DUB
17h 23m
1 stop
Multiple Airlines Logo
14:15 - 11:12
DUB
-
ISP
25h 57m
2 stops
€1,066Multiple Airlines
Thu, 3 Sep - Thu, 10 Sep
Multiple Airlines Logo
07:31 - 04:35
ISP
-
DUB
16h 04m
1 stop
Multiple Airlines Logo
12:45 - 20:15
DUB
-
ISP
12h 30m
1 stop
€1,133Multiple Airlines
Tue, 8 Sep - Tue, 15 Sep
Multiple Airlines Logo
16:58 - 04:30
ISP
-
DUB
30h 32m
2 stops
Multiple Airlines Logo
11:10 - 23:22
DUB
-
ISP
17h 12m
2 stops
€1,159Multiple Airlines
Thu, 3 Sep - Thu, 10 Sep

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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
8 Sept
ISP06:00Islip Long Island
22h 00m
2 stops
DUB09:00Dublin
15 Sept
DUB10:40Dublin
17h 42m
2 stops
ISP23:22Islip Long Island
€838
JetBlue
7 Sept
ISP06:00Islip Long Island
22h 00m
2 stops
DUB09:00Dublin
14 Sept
DUB10:40Dublin
17h 42m
2 stops
ISP23:22Islip Long Island
€883
JetBlue
5 Sept
ISP10:06Islip Long Island
17h 54m
2 stops
DUB09:00Dublin
12 Sept
DUB11:30Dublin
16h 52m
2 stops
ISP23:22Islip Long Island
€893

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 26 July 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 8/9

06:00-09:00

2 stops22h 00m

Dublin

Tue 15/9

10:40-23:22

2 stops17h 42m

€838

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Mon 7/9

06:00-09:00

2 stops22h 00m

Dublin

Mon 14/9

10:40-23:22

2 stops17h 42m

€883

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Sat 5/9

10:06-09:00

2 stops17h 54m

Dublin

Sat 12/9

11:30-23:22

2 stops16h 52m

€893

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Thu 20/8

06:00-09:00

2 stops22h 00m

Dublin

Thu 27/8

11:30-21:44

2 stops39h 14m

€913

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Mon 7/9

19:09-09:20

1 stop33h 11m

Dublin

Mon 14/9

14:15-11:20

2 stops26h 05m

€975

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Mon 7/9

19:09-09:20

1 stop33h 11m

Dublin

Mon 14/9

14:15-11:20

2 stops26h 05m

€982

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Tue 8/9

07:31-10:45

1 stop22h 14m

Dublin

Tue 15/9

13:15-16:58

2 stops32h 43m

€1,031

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Thu 3/9

10:57-09:20

1 stop17h 23m

Dublin

Thu 10/9

14:15-11:12

2 stops25h 57m

€1,066
Fastest return journey

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Tue 8/9

07:31-04:35

1 stop16h 04m

Dublin

Tue 15/9

12:45-20:15

1 stop12h 30m

€1,133

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Thu 3/9

16:58-04:30

2 stops30h 32m

Dublin

Thu 10/9

11:10-23:22

2 stops17h 12m

€1,159

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
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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 41m

Direct flights

None
The fastest flight from Islip, New York to Ireland takes 14h 41m
There are no direct flights from Islip, New York to Ireland. There are no popular flight routes from Islip, New York to Ireland.
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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.

Frequently asked questions about flying from Islip, New York to Ireland

  • How do I get Price Alerts for flights from Islip, New York to Ireland?

    Search flight deals from Islip, New York to Ireland. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Islip, New York to Ireland with momondo?

    By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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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