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Cheap flights from Islip to Dublin from €911

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Islip to Dublin departing on 30/10. 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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Find the cheapest flights from Islip to Dublin

Cheap return flights

Logo
18:37 - 04:15ISP-DUB
29h 38m2 stops
Logo
13:45 - 10:37DUB-ISP
25h 52m1 stop
€911
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Thu, 30 Oct - Thu, 6 Nov
Logo
12:40 - 04:15ISP-DUB
11h 35m1 stop
Logo
11:40 - 19:45DUB-ISP
13h 05m1 stop
€956
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Thu, 30 Oct - Thu, 6 Nov
Logo
12:40 - 04:15ISP-DUB
11h 35m1 stop
Logo
04:25 - 19:45DUB-ISP
20h 20m2 stops
€1,037
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Thu, 30 Oct - Wed, 5 Nov
Logo
07:30 - 15:05ISP-DUB
27h 35m3 stops
Logo
11:40 - 19:45DUB-ISP
13h 05m1 stop
€3,864
Find Deal
Thu, 30 Oct - Thu, 6 Nov

momondo Fare Finder

 
Customise your flight search to find flights from Islip 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 16 September 2025.
Use the filters below to find and compare flights from Islip to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Thu 30/10

18:37-04:15

2 stops29h 38m

Dublin

Thu 6/11

13:45-10:37

1 stop25h 52m

€911

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Thu 30/10

12:40-04:15

1 stop11h 35m

Dublin

Thu 6/11

11:40-19:45

1 stop13h 05m

€956

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Thu 30/10

12:40-04:15

1 stop11h 35m

Dublin

Wed 5/11

04:25-19:45

2 stops20h 20m

€1,037

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Thu 30/10

07:30-15:05

3 stops27h 35m

Dublin

Thu 6/11

11:40-19:45

1 stop13h 05m

€3,864

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Islip 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 €480. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around €694. 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 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 €555 on average. Flights to Dublin from Islip in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

When to book flights from Islip to Dublin

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

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

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

Direct flights

None
There are no direct flights from Islip to Dublin. There are no popular flight routes from Islip to Dublin.
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  • 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 11h 35m.

  • 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
Wicklow
Cavan
Swords
Dundalk
Tullamore
Enniscorthy
Kildare
Naas
Mullingar
Bray
Maynooth
Arklow
Drogheda
Malahide
Carlingford
Portmarnock
Castleknock
Leixlip

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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