In terms of precipitation, rainfall in Islip, New York 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, New York when rainfall is around 3.3 in.

If weather is an important factor for your trip to Islip, New York, 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 ABE to ISP?

When flying from Allentown to Islip, New York, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Allentown-Islip, New York flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Allentown-Islip, New York flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Allentown-Islip, New York flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Allentown-Islip, New York flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Allentown-Islip, New York flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

How can I find direct flights from Allentown to Islip?

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

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

Yes. Cheapflights offers flight deals from Allentown 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.

$268+ Flights from Allentown to Islip, NY

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Cheap flight deals from Allentown to Islip

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$268 (Trip.com)

Provider with most accurate pricing for Allentown-Bethlehem-Islip Long Island flight deals.

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Provider most trusted by Cheapflights users for Allentown-Bethlehem-Islip Long Island flights.

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From Allentown-Bethlehem to Islip Long Island

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Cheapest flights from Allentown to Islip
Explore the most affordable flight options available from Allentown to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on novembre 6, 2025.

jeu. 12/42:37 pmABE - ISP

1 stop28h 57mMultiple Airlines

jeu. 12/1110:19 amISP - ABE

1 stop10h 17mMultiple Airlines

Deal found 11/6

$268

Best flights from Allentown to Islip
Discover carefully curated flight deals from Allentown to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated novembre 6, 2025.

jeu. 12/47:30 amABE - ISP

2 stops36h 04mMultiple Airlines

jeu. 12/1110:19 amISP - ABE

1 stop10h 17mMultiple Airlines

Deal found 11/6

$310

Last-minute flights from Allentown to Islip
Discover last-minute flight deals from Allentown to Islip. Data last updated novembre 6, 2025 and is based on user searches.

jeu. 12/42:37 pmABE - ISP

1 stop28h 57mMultiple Airlines

jeu. 12/1110:19 amISP - ABE

1 stop10h 17mMultiple Airlines

Deal found 11/6

$268

Fly from

Fly to

Route

Depart

Return

Price

AllentownIslip

ABE - ISP

ABEISP

Allentown-Bethlehem

jeu. 12/4

7:30 am-7:34 pm

2 stops36h 04m

Islip Long Island

jeu. 12/11

10:19 am-8:36 pm

1 stop10h 17m

$310

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Compare providers for flights from Allentown to Islip

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Allentown to Islip in November.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Expedia	Price Accuracy2 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Allentown-Islip, New York flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Allentown-Islip, New York flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Allentown-Islip, New York flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Allentown-Islip, New York flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Allentown-Islip, New York flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Allentown to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Allentown 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 Allentown to Islip

What is the cheapest month to book a flight from Allentown to Islip, New York?

Currently, May is the cheapest month in which you can book a flight from Allentown to Islip, New York (average of $155). Flying from Allentown to Islip, New York in October is currently the most expensive (average of $496). 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

Can I find deals for flights from Allentown to Islip that include hotel bookings?
Yes. In addition to deals on Allentown to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Allentown to Islip?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Allentown to Islip.
Can I find deals for business class flights from Allentown to Islip?
Yes. Cheapflights offers flight deals from Allentown 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 Allentown to Islip, New York?
Currently, May is the cheapest month in which you can book a flight from Allentown to Islip, New York (average of $155). Flying from Allentown to Islip, New York in October is currently the most expensive (average of $496). 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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$268+ Cheap flights from Allentown to Islip, NY (ABE - 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Allentown to Islip with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Allentown to Islip

Most accurate provider

Most trusted provider

Round-trip from

Find flight deals from Allentown to Islip

Cheapest flights from Allentown to IslipExplore the most affordable flight options available from Allentown to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on novembre 6, 2025.

Explore the most affordable flight options available from Allentown to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on novembre 6, 2025.

Cheapflights Fare Finder

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

Compare providers for flights from Allentown to Islip

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Allentown to Islip in November.

Best time to book a flight from Allentown to Islip

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

Cheapflights Insights

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

What is the cheapest month to book a flight from Allentown to Islip, New York?

Related info for your journey

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

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

How can I find direct flights from Allentown to Islip?

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

What is the cheapest month to book a flight from Allentown to Islip, New York?

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Cheapest flights from Allentown to Islip
Explore the most affordable flight options available from Allentown to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on novembre 6, 2025.