Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Islip, New York to Dublin from €1,151

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 15/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Islip, New York to Dublin

Cheap return flights

Enter your travel dates to find the best prices.
JetBlue Logo
16:40 - 08:20
ISP
-
DUB
34h 40m
2 stops
JetBlue Logo
11:40 - 11:35
DUB
-
ISP
28h 55m
2 stops
€1,151JetBlue
Wed, 15 Jul - Thu, 23 Jul
Multiple Airlines Logo
10:48 - 15:45
ISP
-
DUB
23h 57m
2 stops
Multiple Airlines Logo
15:30 - 13:28
DUB
-
ISP
26h 58m
1 stop
€1,301Multiple Airlines
Wed, 15 Jul - Thu, 23 Jul
Multiple Airlines Logo
12:30 - 04:35
ISP
-
DUB
11h 05m
1 stop
Multiple Airlines Logo
19:50 - 11:05
DUB
-
ISP
20h 15m
1 stop
€1,387Multiple Airlines
Wed, 15 Jul - Thu, 23 Jul
Multiple Airlines Logo
12:30 - 08:25
ISP
-
DUB
14h 55m
1 stop
Multiple Airlines Logo
19:50 - 11:05
DUB
-
ISP
20h 15m
1 stop
€1,394Multiple Airlines
Sun, 24 May - Thu, 28 May
Multiple Airlines Logo
12:30 - 08:25
ISP
-
DUB
14h 55m
1 stop
Multiple Airlines Logo
19:50 - 11:05
DUB
-
ISP
20h 15m
1 stop
€1,416Multiple Airlines
Sun, 24 May - Thu, 28 May
Multiple Airlines Logo
12:30 - 08:25
ISP
-
DUB
14h 55m
1 stop
Multiple Airlines Logo
06:30 - 16:10
DUB
-
ISP
14h 40m
2 stops
€1,430Multiple Airlines
Sun, 24 May - Thu, 28 May
Multiple Airlines Logo
14:35 - 11:40
ISP
-
DUB
16h 05m
2 stops
Multiple Airlines Logo
16:45 - 13:39
DUB
-
ISP
25h 54m
2 stops
€4,339Multiple Airlines
Sun, 24 May - Thu, 28 May
Multiple Airlines Logo
14:35 - 11:40
ISP
-
DUB
16h 05m
2 stops
Multiple Airlines Logo
16:45 - 13:39
DUB
-
ISP
25h 54m
2 stops
€4,382Multiple Airlines
Sun, 24 May - Thu, 28 May

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 27 March 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 15/7

16:40-08:20

2 stops34h 40m

Dublin

Thu 23/7

11:40-11:35

2 stops28h 55m

€1,151

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Wed 15/7

10:48-15:45

2 stops23h 57m

Dublin

Thu 23/7

15:30-13:28

1 stop26h 58m

€1,301

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Wed 15/7

12:30-04:35

1 stop11h 05m

Dublin

Thu 23/7

19:50-11:05

1 stop20h 15m

€1,387

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Sun 24/5

12:30-08:25

1 stop14h 55m

Dublin

Thu 28/5

19:50-11:05

1 stop20h 15m

€1,394

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Sun 24/5

12:30-08:25

1 stop14h 55m

Dublin

Thu 28/5

19:50-11:05

1 stop20h 15m

€1,416
Fastest return journey

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Sun 24/5

12:30-08:25

1 stop14h 55m

Dublin

Thu 28/5

06:30-16:10

2 stops14h 40m

€1,430

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Sun 24/5

14:35-11:40

2 stops16h 05m

Dublin

Thu 28/5

16:45-13:39

2 stops25h 54m

€4,339

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Sun 24/5

14:35-11:40

2 stops16h 05m

Dublin

Thu 28/5

16:45-13:39

2 stops25h 54m

€4,382

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 €414. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around €628. 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 €469. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are €494 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

14h 55m

Direct flights

None
The fastest flight from Islip, New York to Dublin takes 14h 55m
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

  • 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 14h 55m.

  • 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
Swords
Bray
Gorey
Mullingar
Leixlip
Malahide
Maynooth
Carlingford
Enniscorthy
Arklow
Castleknock
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.

An easier way to manage your Dublin trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 26/4
Sun 3/5
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland