How long is the flight from Ireland to Islip?

For as low as $2,494, JetBlue can have you in Islip from Ireland in 30h 16m. Ireland and Islip are separated by a distance of 3135 mi.

In terms of precipitation, rainfall in Islip ranges from 3.3 - 4.4 inches per month. March is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Islip when rainfall is around 3.3 in.

If weather is an important factor for your trip to Islip, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

What is the cheapest time of day to fly from IE to ISP?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ireland to Islip as you normally would.

What airport do you fly into for flights to Islip from Ireland?

For a flight from Ireland to Islip, you will be flying into Long Island. Islip Long Island (ISP) is just 7.2 mi from the center of the city.

Can I find deals for flights from Ireland to Islip that include hotel bookings?

Yes. In addition to deals on Ireland to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Ireland to Islip?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to Islip.

Can I find deals for business class flights from Ireland to Islip?

Yes. Cheapflights offers flight deals from Ireland to Islip by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$1,274+ Cheap Flights from Ireland to Islip

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Find flight deals from Ireland to Islip

Cheapest flights from Ireland to Islip
Explore the most affordable flight options available from Ireland to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2025.

Fri 11/2811:30 amDUB - ISP

1 stop13h 15mMultiple Airlines

Fri 12/512:40 pmISP - DUB

2 stops19h 00mMultiple Airlines

Deal found 10/14

$1,274

Fri 11/284:45 pmDUB - ISP

2 stops30h 16mJetBlue

Fri 12/511:50 amISP - DUB

2 stops35h 30mJetBlue

Deal found 10/14

$2,494

Best flights from Ireland to Islip
Discover carefully curated flight deals from Ireland to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 16, 2025.

Fri 11/2811:30 amDUB - ISP

1 stop13h 15mMultiple Airlines

Fri 12/512:40 pmISP - DUB

2 stops19h 00mMultiple Airlines

Deal found 10/14

$1,274

Fri 11/284:45 pmDUB - ISP

2 stops30h 16mJetBlue

Fri 12/511:50 amISP - DUB

2 stops35h 30mJetBlue

Deal found 10/14

$2,494

Last-minute flights from Ireland to Islip
Discover last-minute flight deals from Ireland to Islip. Data last updated October 16, 2025 and is based on user searches.

Fri 11/2811:30 amDUB - ISP

1 stop13h 15mMultiple Airlines

Fri 12/512:40 pmISP - DUB

2 stops19h 00mMultiple Airlines

Deal found 10/14

$1,274

Fri 11/284:45 pmDUB - ISP

2 stops30h 16mJetBlue

Fri 12/511:50 amISP - DUB

2 stops35h 30mJetBlue

Deal found 10/14

$2,494

Cheap flight deals from Ireland to Islip

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$1,274 (Kiwi.com)
Popular in	July
Cheapest in	February
Average price	$552

Provider with most accurate pricing for Dublin-New York (NYC) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Dublin-New York (NYC) flights.

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From Ireland to Islip Long Island

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($89 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

DublinIslip

DUB - ISP

DUBISP

Dublin

Fri 11/28

11:30 am-7:45 pm

1 stop13h 15m

Islip Long Island

Fri 12/5

12:40 pm-12:40 pm

2 stops19h 00m

$1,274

DublinIslip

DUB - ISP

DUBISP

Dublin

Fri 11/28

4:45 pm-6:01 pm

2 stops30h 16m

Islip Long Island

Fri 12/5

11:50 am-4:20 am

2 stops35h 30m

$2,494

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

Best time to book a flight from Ireland to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Ireland with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ireland to Islip

What is the cheapest month to book a flight from Ireland to Islip?

Currently, January is the cheapest month in which you can book a flight from Ireland to Islip (average of $268). Flying from Ireland to Islip in June is currently the most expensive (average of $447). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

What airport do you fly into for flights to Islip from Ireland?
For a flight from Ireland to Islip, you will be flying into Long Island. Islip Long Island (ISP) is just 7.2 mi from the center of the city.
How long is the flight from Ireland to Islip?
For as low as $2,494, JetBlue can have you in Islip from Ireland in 30h 16m. Ireland and Islip are separated by a distance of 3135 mi.
Can I find deals for flights from Ireland to Islip that include hotel bookings?
Yes. In addition to deals on Ireland to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ireland to Islip?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to Islip.
Can I find deals for business class flights from Ireland to Islip?
Yes. Cheapflights offers flight deals from Ireland to Islip by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Ireland to Islip?
Currently, January is the cheapest month in which you can book a flight from Ireland to Islip (average of $268). Flying from Ireland to Islip in June is currently the most expensive (average of $447). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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$1,274+ Cheap flights from Ireland to Islip (ISP)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/28. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ireland to Islip with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Ireland to Islip

Cheapest flights from Ireland to IslipExplore the most affordable flight options available from Ireland to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2025.

Explore the most affordable flight options available from Ireland to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2025.

Cheap flight deals from Ireland to Islip

Keep the following information in mind while searching for Ireland to Islip flight deals. Data was last updated October 16, 2025.

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ireland to Islip that are best for you.

Best time to book a flight from Ireland to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Ireland with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Ireland to Islip

What is the cheapest month to book a flight from Ireland to Islip?

Related info for your journey

Find useful and relevant information for your journey from Ireland to Islip. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Islip from Ireland?

How long is the flight from Ireland to Islip?

Can I find deals for flights from Ireland to Islip that include hotel bookings?

How can I find direct flights from Ireland to Islip?

Can I find deals for business class flights from Ireland to Islip?

What is the cheapest month to book a flight from Ireland to Islip?

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Cheapest flights from Ireland to Islip
Explore the most affordable flight options available from Ireland to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2025.