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Cheap flights from Islip, New York to Dublin from €378

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 Dublin departing on 18/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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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
14:28 - 08:45
ISP
-
DUB
13h 17m
1 stop
Multiple Airlines Logo
14:15 - 16:47
DUB
-
ISP
31h 32m
2 stops
€1,039Multiple Airlines
Mon, 10 Aug - Mon, 31 Aug
Multiple Airlines Logo
14:28 - 08:45
ISP
-
DUB
13h 17m
1 stop
Multiple Airlines Logo
13:50 - 15:56
DUB
-
ISP
31h 06m
1 stop
€1,158Multiple Airlines
Mon, 10 Aug - Mon, 31 Aug
Multiple Airlines Logo
12:30 - 14:50
ISP
-
DUB
21h 20m
2 stops
Multiple Airlines Logo
19:50 - 11:05
DUB
-
ISP
20h 15m
1 stop
€1,376Multiple Airlines
Thu, 18 Jun - Thu, 25 Jun
Multiple Airlines Logo
21:52 - 11:30
ISP
-
DUB
32h 38m
2 stops
Multiple Airlines Logo
15:30 - 16:47
DUB
-
ISP
30h 17m
1 stop
€1,377Multiple Airlines
Mon, 22 Jun - Mon, 29 Jun
Multiple Airlines Logo
21:52 - 11:30
ISP
-
DUB
32h 38m
2 stops
Multiple Airlines Logo
15:30 - 16:47
DUB
-
ISP
30h 17m
1 stop
€1,399Multiple Airlines
Mon, 22 Jun - Mon, 29 Jun
Multiple Airlines Logo
07:00 - 08:15
ISP
-
DUB
20h 15m
2 stops
Multiple Airlines Logo
16:45 - 16:05
DUB
-
ISP
28h 20m
2 stops
€1,444Multiple Airlines
Mon, 10 Aug - Mon, 31 Aug
Multiple Airlines Logo
07:25 - 20:10
ISP
-
DUB
31h 45m
3 stops
Multiple Airlines Logo
13:15 - 19:45
DUB
-
ISP
35h 30m
2 stops
€1,579Multiple Airlines
Thu, 18 Jun - Thu, 25 Jun
Multiple Airlines Logo
12:30 - 08:15
ISP
-
DUB
14h 45m
2 stops
Multiple Airlines Logo
13:15 - 16:10
DUB
-
ISP
31h 55m
2 stops
€1,585Multiple Airlines
Thu, 18 Jun - Thu, 25 Jun
Multiple Airlines Logo
21:52 - 09:20
ISP
-
DUB
30h 28m
1 stop
Multiple Airlines Logo
13:50 - 20:57
DUB
-
ISP
36h 07m
1 stop
€1,627Multiple Airlines
Thu, 18 Jun - Thu, 25 Jun
Multiple Airlines Logo
21:52 - 09:20
ISP
-
DUB
30h 28m
1 stop
Multiple Airlines Logo
15:30 - 16:47
DUB
-
ISP
30h 17m
1 stop
€1,631Multiple Airlines
Mon, 22 Jun - Mon, 29 Jun

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 10 May 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 - DUB

ISPDUB

Islip Long Island

Mon 10/8

14:28-08:45

1 stop13h 17m

Dublin

Mon 31/8

14:15-16:47

2 stops31h 32m

€1,039

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Mon 10/8

14:28-08:45

1 stop13h 17m

Dublin

Mon 31/8

13:50-15:56

1 stop31h 06m

€1,158
Fastest return journey

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Thu 18/6

12:30-14:50

2 stops21h 20m

Dublin

Thu 25/6

19:50-11:05

1 stop20h 15m

€1,376

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Mon 22/6

21:52-11:30

2 stops32h 38m

Dublin

Mon 29/6

15:30-16:47

1 stop30h 17m

€1,377

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Mon 22/6

21:52-11:30

2 stops32h 38m

Dublin

Mon 29/6

15:30-16:47

1 stop30h 17m

€1,399

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Mon 10/8

07:00-08:15

2 stops20h 15m

Dublin

Mon 31/8

16:45-16:05

2 stops28h 20m

€1,444

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Thu 18/6

07:25-20:10

3 stops31h 45m

Dublin

Thu 25/6

13:15-19:45

2 stops35h 30m

€1,579

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Thu 18/6

12:30-08:15

2 stops14h 45m

Dublin

Thu 25/6

13:15-16:10

2 stops31h 55m

€1,585

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Thu 18/6

21:52-09:20

1 stop30h 28m

Dublin

Thu 25/6

13:50-20:57

1 stop36h 07m

€1,627

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Mon 22/6

21:52-09:20

1 stop30h 28m

Dublin

Mon 29/6

15:30-16:47

1 stop30h 17m

€1,631

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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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 Sunday is the least expensive day to fly to Dublin. Tickets to fly out on this day can be as low as €431. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around €616. 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 evening. Our users have found flights to Dublin in the evening for as low as €500. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are €522 on average. Flights to Dublin from Islip, New York in the afternoon 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

32h 38m

Direct flights

None
The fastest flight from Islip, New York to Dublin takes 32h 38m
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 32h 38m.

  • 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
Naas
Kildare
Tullamore
Swords
Bray
Gorey
Leixlip
Mullingar
Malahide
Maynooth
Castleknock
Carlingford
Enniscorthy
Arklow
Thurles

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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