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Cheap flights from Islip, New York to Dublin from €1,076

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 Dublin departing on 11/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Islip, New York to Dublin

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
07:05 - 07:45ISP  Islip Long Island-DUB Dublin
19h 40m2 stops Boston Logan Intl Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
09:20 - 20:59DUB  Dublin-ISP Islip Long Island
16h 39m2 stops Toronto Pearson Intl Boston Logan Intl
€1,076Multiple Airlines
Fri, 11 Sep - Fri, 18 Sep
Multiple Airlines Logo
17:43 - 04:35ISP  Islip Long Island-DUB Dublin
29h 52m2 stops Orlando Boston Logan Intl
Multiple Airlines Logo
13:50 - 16:58DUB  Dublin-ISP Islip Long Island
32h 08m1 stop Orlando
€1,087Multiple Airlines
Fri, 11 Sep - Fri, 18 Sep
Multiple Airlines Logo
09:05 - 04:35ISP  Islip Long Island-DUB Dublin
14h 30m1 stop Boston Logan Intl
Multiple Airlines Logo
12:45 - 20:59DUB  Dublin-ISP Islip Long Island
13h 14m1 stop Boston Logan Intl
€1,089Multiple Airlines
Fri, 11 Sep - Fri, 18 Sep
Multiple Airlines Logo
09:05 - 04:35ISP  Islip Long Island-DUB Dublin
14h 30m1 stop Boston Logan Intl
Multiple Airlines Logo
12:45 - 20:59DUB  Dublin-ISP Islip Long Island
13h 14m1 stop Boston Logan Intl
€1,090Multiple Airlines
Fri, 11 Sep - Fri, 18 Sep
Multiple Airlines Logo
17:43 - 04:35ISP  Islip Long Island-DUB Dublin
29h 52m2 stops Orlando Boston Logan Intl
Multiple Airlines Logo
13:50 - 16:58DUB  Dublin-ISP Islip Long Island
32h 08m1 stop Orlando
€1,171Multiple Airlines
Fri, 11 Sep - Fri, 18 Sep
Multiple Airlines Logo
16:26 - 04:35ISP  Islip Long Island-DUB Dublin
31h 09m2 stops Orlando Boston Logan Intl
Multiple Airlines Logo
11:10 - 23:22DUB  Dublin-ISP Islip Long Island
17h 12m2 stops New York John F Kennedy Intl Fort Lauderdale
€1,205Multiple Airlines
Fri, 11 Sep - Fri, 18 Sep
Multiple Airlines Logo
07:05 - 07:45ISP  Islip Long Island-DUB Dublin
19h 40m3 stops Boston Logan Intl Toronto Island Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
05:30 - 20:59DUB  Dublin-ISP Islip Long Island
20h 29m2 stops Lisbon Humberto Delgado Boston Logan Intl
€1,580Multiple Airlines
Fri, 11 Sep - Fri, 18 Sep

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momondo Fare Finder

 
Customise your flight search to find flights from Islip, New York to Dublin 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 9 August 2026.
Use the filters below to find and compare flights from Islip, New York to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

IslipDublin

ISP Islip Long Island - DUB Dublin

ISPDUB

Islip Long Island

Fri 11/9

07:05-07:45

2 stops19h 40m

Dublin

Fri 18/9

09:20-20:59

2 stops16h 39m

€1,076

IslipDublin

ISP Islip Long Island - DUB Dublin

ISPDUB

Islip Long Island

Fri 11/9

17:43-04:35

2 stops29h 52m

Dublin

Fri 18/9

13:50-16:58

1 stop32h 08m

€1,087
Fastest return journey

IslipDublin

ISP Islip Long Island - DUB Dublin

ISPDUB

Islip Long Island

Fri 11/9

09:05-04:35

1 stop14h 30m

Dublin

Fri 18/9

12:45-20:59

1 stop13h 14m

€1,089

IslipDublin

ISP Islip Long Island - DUB Dublin

ISPDUB

Islip Long Island

Fri 11/9

09:05-04:35

1 stop14h 30m

Dublin

Fri 18/9

12:45-20:59

1 stop13h 14m

€1,090

IslipDublin

ISP Islip Long Island - DUB Dublin

ISPDUB

Islip Long Island

Fri 11/9

17:43-04:35

2 stops29h 52m

Dublin

Fri 18/9

13:50-16:58

1 stop32h 08m

€1,171

IslipDublin

ISP Islip Long Island - DUB Dublin

ISPDUB

Islip Long Island

Fri 11/9

16:26-04:35

2 stops31h 09m

Dublin

Fri 18/9

11:10-23:22

2 stops17h 12m

€1,205

IslipDublin

ISP Islip Long Island - DUB Dublin

ISPDUB

Islip Long Island

Fri 11/9

07:05-07:45

3 stops19h 40m

Dublin

Fri 18/9

05:30-20:59

2 stops20h 29m

€1,580

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Dublin from

How to get the cheapest flight ticket from Islip, New York to Dublin

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 is the cheapest day to depart on your flight to Dublin?

Our data shows that Saturday is the least expensive day to fly to Dublin. Tickets to fly out on this day can be as low as €464. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around €687. These prices are subject to change though, so be sure to set up a Price Alert for flights to Dublin.

What is the cheapest time of day to depart on your flight to Dublin?

Our data shows that the cheapest Islip, New York to Dublin flights are usually those with departure times in the afternoon. Our users have found flights to Dublin in the afternoon for as low as €563. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are €620 on average. Flights to Dublin from Islip, New York in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

When to book flights from Islip, New York to Dublin

Are you open to changing your travel dates? Check out the ideal times to fly from Islip, New York to Dublin according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Islip, New York to Dublin (ISP to DUB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip, New York to Dublin

Fastest flight time

19h 40m

Direct flights

None
The fastest flight from Islip, New York to Dublin takes 19h 40m
There are no direct flights from Islip, New York to Dublin. There are no popular flight routes from Islip, New York to Dublin.
Search flight deals

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

  • How far is Islip Long Island to Dublin by plane?

    Dublin is 5058.7 km away from Islip Long Island. A reasonable flight in good conditions will take 19h 40m.

  • When did momondo last update prices for flights from Islip Long Island Airport to Dublin Airport?

    Prices for flights from Islip Long Island Airport to Dublin Airport are updated daily.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Islip Long Island Airport to Dublin Airport.

  • What documentation or ID do you need to fly to Dublin Airport?

    The necessary travel and health documents for your Dublin Airport 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.

Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Kilkenny
Athlone
Cavan
Wicklow
Dundalk
Swords
Gorey
Naas
Bray
Kildare
Tullamore
Mullingar
Leixlip
Maynooth
Castleknock
Malahide
Carlingford
Enniscorthy
Drogheda
Portmarnock

Why use momondo?

Why should I use momondo to find a flight deal from Islip to Dublin?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Islip to Dublin . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Islip to Dublin with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Islip to Dublin flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Dublin from Islip. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

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

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