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Cheap flights from Islip to Dublin from €232

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 to Dublin departing on 29/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Find the cheapest flights from Islip to Dublin (ISP-DUB)

Cheap return flights

Logo
21:37 - 10:00ISP-DUB
31h 23m2 stops
Logo
16:45 - 10:58DUB-ISP
23h 13m1 stop
€928
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Thu, 16 Oct - Wed, 22 Oct
Logo
07:30 - 11:05ISP-DUB
22h 35m2 stops
Logo
21:00 - 20:01DUB-ISP
28h 01m3 stops
€955
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Thu, 16 Oct - Wed, 22 Oct
Logo
16:33 - 04:30ISP-DUB
30h 57m1 stop
Logo
13:25 - 10:55DUB-ISP
26h 30m2 stops
€998
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Fri, 19 Sep - Fri, 26 Sep
Logo
14:19 - 04:30ISP-DUB
9h 11m1 stop
Logo
16:45 - 10:58DUB-ISP
23h 13m1 stop
€1,002
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Thu, 16 Oct - Wed, 22 Oct
Logo
16:33 - 08:25ISP-DUB
10h 52m1 stop
Logo
08:30 - 10:58DUB-ISP
31h 28m2 stops
€1,006
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Sun, 5 Oct - Sun, 12 Oct
Logo
16:33 - 04:30ISP-DUB
30h 57m1 stop
Logo
13:55 - 10:55DUB-ISP
26h 00m1 stop
€1,020
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Fri, 19 Sep - Fri, 26 Sep
Logo
07:30 - 08:25ISP-DUB
19h 55m1 stop
Logo
12:40 - 20:01DUB-ISP
12h 21m1 stop
€1,027
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Sun, 5 Oct - Sun, 12 Oct
Logo
14:19 - 19:15ISP-DUB
23h 56m3 stops
Logo
07:55 - 20:01DUB-ISP
41h 06m3 stops
€1,060
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Sun, 5 Oct - Sun, 12 Oct
Logo
11:53 - 22:15ISP-DUB
29h 22m3 stops
Logo
12:15 - 10:58DUB-ISP
27h 43m2 stops
€1,118
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Sun, 5 Oct - Sun, 12 Oct
Logo
16:33 - 11:05ISP-DUB
13h 32m2 stops
Logo
12:15 - 10:58DUB-ISP
27h 43m2 stops
€1,129
Find Deal
Thu, 16 Oct - Wed, 22 Oct

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 23 August 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 16/10

21:37-10:00

2 stops31h 23m

Dublin

Wed 22/10

16:45-10:58

1 stop23h 13m

€928

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Thu 16/10

07:30-11:05

2 stops22h 35m

Dublin

Wed 22/10

21:00-20:01

3 stops28h 01m

€955

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Fri 19/9

16:33-04:30

1 stop30h 57m

Dublin

Fri 26/9

13:25-10:55

2 stops26h 30m

€998

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Thu 16/10

14:19-04:30

1 stop9h 11m

Dublin

Wed 22/10

16:45-10:58

1 stop23h 13m

€1,002

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Sun 5/10

16:33-08:25

1 stop10h 52m

Dublin

Sun 12/10

08:30-10:58

2 stops31h 28m

€1,006

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Fri 19/9

16:33-04:30

1 stop30h 57m

Dublin

Fri 26/9

13:55-10:55

1 stop26h 00m

€1,020

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Sun 5/10

07:30-08:25

1 stop19h 55m

Dublin

Sun 12/10

12:40-20:01

1 stop12h 21m

€1,027

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Sun 5/10

14:19-19:15

3 stops23h 56m

Dublin

Sun 12/10

07:55-20:01

3 stops41h 06m

€1,060

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Sun 5/10

11:53-22:15

3 stops29h 22m

Dublin

Sun 12/10

12:15-10:58

2 stops27h 43m

€1,118

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Thu 16/10

16:33-11:05

2 stops13h 32m

Dublin

Wed 22/10

12:15-10:58

2 stops27h 43m

€1,129

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Dublin from

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 €486. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around €691. 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 €473. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are €583 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 9h 11m.

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