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Cheap flights from Islip, New York to Dublin from €948

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 6/5. 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
11:00 - 09:20
ISP
-
DUB
17h 20m
1 stop
Multiple Airlines Logo
10:40 - 10:27
DUB
-
ISP
28h 47m
2 stops
€948Multiple Airlines
Wed, 6 May - Wed, 13 May
Multiple Airlines Logo
14:28 - 08:45
ISP
-
DUB
13h 17m
1 stop
Multiple Airlines Logo
13:15 - 10:03
DUB
-
ISP
49h 48m
2 stops
€1,001Multiple Airlines
Mon, 27 Jul - Mon, 3 Aug
Multiple Airlines Logo
14:28 - 08:45
ISP
-
DUB
13h 17m
1 stop
Multiple Airlines Logo
14:15 - 13:28
DUB
-
ISP
28h 13m
2 stops
€1,017Multiple Airlines
Mon, 27 Jul - Thu, 6 Aug
Multiple Airlines Logo
14:28 - 08:45
ISP
-
DUB
13h 17m
1 stop
Multiple Airlines Logo
13:15 - 10:03
DUB
-
ISP
49h 48m
2 stops
€1,020Multiple Airlines
Mon, 27 Jul - Tue, 4 Aug
Multiple Airlines Logo
14:28 - 08:45
ISP
-
DUB
13h 17m
1 stop
Multiple Airlines Logo
12:15 - 11:17
DUB
-
ISP
28h 02m
2 stops
€1,073Multiple Airlines
Mon, 27 Jul - Fri, 7 Aug
Multiple Airlines Logo
12:30 - 10:45
ISP
-
DUB
17h 15m
1 stop
Multiple Airlines Logo
10:40 - 10:05
DUB
-
ISP
52h 25m
2 stops
€1,098Multiple Airlines
Tue, 19 May - Tue, 26 May
JetBlue Logo
17:00 - 08:20
ISP
-
DUB
34h 20m
2 stops
JetBlue Logo
10:40 - 10:35
DUB
-
ISP
28h 55m
2 stops
€1,101JetBlue
Mon, 27 Jul - Tue, 4 Aug
Multiple Airlines Logo
11:00 - 09:20
ISP
-
DUB
17h 20m
1 stop
Multiple Airlines Logo
13:15 - 10:05
DUB
-
ISP
49h 50m
2 stops
€1,106Multiple Airlines
Mon, 18 May - Mon, 25 May
Multiple Airlines Logo
14:28 - 08:45
ISP
-
DUB
13h 17m
1 stop
Multiple Airlines Logo
13:15 - 10:03
DUB
-
ISP
49h 48m
2 stops
€1,141Multiple Airlines
Mon, 27 Jul - Wed, 5 Aug
JetBlue Logo
11:25 - 08:20
ISP
-
DUB
15h 55m
2 stops
JetBlue Logo
10:40 - 10:35
DUB
-
ISP
28h 55m
2 stops
€1,148JetBlue
Tue, 28 Jul - Tue, 4 Aug

JetBlue flights from Islip, New York to Dublin

Our best JetBlue deals on Islip, New York to Dublin flight tickets
JetBlue
27 Jul
ISP17:00Islip Long Island
34h 20m
2 stops
DUB08:20Dublin
4 Aug
DUB10:40Dublin
28h 55m
2 stops
ISP10:35Islip Long Island
€1,101
JetBlue
28 Jul
ISP11:25Islip Long Island
15h 55m
2 stops
DUB08:20Dublin
4 Aug
DUB10:40Dublin
28h 55m
2 stops
ISP10:35Islip Long Island
€1,148
JetBlue
27 Jul
ISP17:00Islip Long Island
34h 20m
2 stops
DUB08:20Dublin
5 Aug
DUB10:40Dublin
17h 37m
2 stops
ISP23:17Islip Long Island
€1,161

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 April 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

Wed 6/5

11:00-09:20

1 stop17h 20m

Dublin

Wed 13/5

10:40-10:27

2 stops28h 47m

€948

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Mon 27/7

14:28-08:45

1 stop13h 17m

Dublin

Mon 3/8

13:15-10:03

2 stops49h 48m

€1,001

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Mon 27/7

14:28-08:45

1 stop13h 17m

Dublin

Thu 6/8

14:15-13:28

2 stops28h 13m

€1,017

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Mon 27/7

14:28-08:45

1 stop13h 17m

Dublin

Tue 4/8

13:15-10:03

2 stops49h 48m

€1,020
Fastest return journey

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Mon 27/7

14:28-08:45

1 stop13h 17m

Dublin

Fri 7/8

12:15-11:17

2 stops28h 02m

€1,073

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Tue 19/5

12:30-10:45

1 stop17h 15m

Dublin

Tue 26/5

10:40-10:05

2 stops52h 25m

€1,098

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Mon 27/7

17:00-08:20

2 stops34h 20m

Dublin

Tue 4/8

10:40-10:35

2 stops28h 55m

€1,101

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Mon 18/5

11:00-09:20

1 stop17h 20m

Dublin

Mon 25/5

13:15-10:05

2 stops49h 50m

€1,106

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Mon 27/7

14:28-08:45

1 stop13h 17m

Dublin

Wed 5/8

13:15-10:03

2 stops49h 48m

€1,141

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Tue 28/7

11:25-08:20

2 stops15h 55m

Dublin

Tue 4/8

10:40-10:35

2 stops28h 55m

€1,148

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 Tuesday is the least expensive day to fly to Dublin. Tickets to fly out on this day can be as low as €409. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around €633. 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 €496. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are €527 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

17h 15m

Direct flights

None
The fastest flight from Islip, New York to Dublin takes 17h 15m
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 17h 15m.

  • 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
Tullamore
Kildare
Bray
Swords
Gorey
Mullingar
Leixlip
Malahide
Maynooth
Carlingford
Castleknock
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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