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Islip

$427+ 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 7/19. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — ISP
jul. 5 — jul. 121
sáb. 7/5
sáb. 7/12
1 adult, Economy
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Cheap flight deals from Allentown to Islip

Discover tips and strategies to find the most affordable flight options for your journey from Allentown (ABE) to Islip (ISP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated junio 30, 2025.

Round-trip from

$427
(Trip.com)
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 junio 30, 2025.

This Trip.com deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 7/196:15 amABE - ISP
1 stop13h 27mMultiple Airlines
dom. 7/206:00 amISP - ABE
1 stop14h 26mMultiple Airlines
Deal found 6/28$427

Cheapflights Fare Finder

Customize your flight search to find flights from Allentown to Islip 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, Cheapflights users made 2,558,603 searches. Data last updated junio 30, 2025.
Use the filters below to find and compare flights from Allentown to Islip that are best for you.

Fly from

Allentown

Fly to

Islip

Route

Depart

Return

Price

AllentownIslip

ABE - ISP

ABEISP

Allentown-Bethlehem

sáb. 7/19

6:15 am-7:42 pm

1 stop13h 27m

Islip Long Island

dom. 7/20

6:00 am-8:26 pm

1 stop14h 26m

$427

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

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, January is the cheapest month in which you can book a flight from Allentown to Islip, New York (average of $108). Flying from Allentown to Islip, New York in November is currently the most expensive (average of $213). 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

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?

    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, January is the cheapest month in which you can book a flight from Allentown to Islip, New York (average of $108). Flying from Allentown to Islip, New York in November is currently the most expensive (average of $213). 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.

See more FAQs

Traveling to a place near Allentown?

Book flights to Allentown if you plan to visit one of these locations
Southampton
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