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Islip

$308+ Cheap flights from Allentown to Islip, NY (ABE - ISP)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — ISP
nov. 21 — nov. 281
ven. 11/21
ven. 11/28
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 octobre 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$492
(Kiwi.com)

One-way from

$308
(Kiwi.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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One-way flight from Allentown-Bethlehem to Islip Long Island
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Find flight deals from Allentown to Islip

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 octobre 22, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 12/42:37 pmABE - ISP
2 stops23h 08mMultiple Airlines
dim. 12/711:15 amISP - ABE
1 stop9h 21mMultiple Airlines
Deal found 10/20$492
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/112:36 pmABE - ISP
2 stops30h 58mMultiple Airlines
sam. 12/65:54 pmISP - ABE
1 stop19h 53mMultiple Airlines
Deal found 10/20$495
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 11/297:00 amABE - ISP
1 stop27h 09mMultiple Airlines
sam. 12/65:54 pmISP - ABE
1 stop19h 53mMultiple Airlines
Deal found 10/20$590
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/112:36 pmABE - ISP
2 stops30h 58mMultiple Airlines
dim. 12/711:15 amISP - ABE
1 stop9h 21mMultiple Airlines
Deal found 10/20$627
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 11/297:00 amABE - ISP
1 stop27h 09mMultiple Airlines
mer. 12/38:21 pmISP - ABE
2 stops24h 15mMultiple Airlines
Deal found 10/20$629
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 11/291:49 pmABE - ISP
2 stops42h 13mMultiple Airlines
jeu. 12/410:19 amISP - ABE
1 stop10h 17mMultiple Airlines
Deal found 10/20$631
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 11/297:00 amABE - ISP
1 stop27h 09mMultiple Airlines
dim. 12/72:19 pmISP - ABE
2 stops24h 00mMultiple Airlines
Deal found 10/20$644
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 11/307:00 amABE - ISP
2 stops25h 02mMultiple Airlines
mer. 12/35:54 pmISP - ABE
1 stop19h 53mMultiple Airlines
Deal found 10/20$736
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/112:36 pmABE - ISP
2 stops22h 28mMultiple Airlines
jeu. 12/410:19 amISP - ABE
1 stop10h 17mMultiple Airlines
Deal found 10/20$743

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 octobre 22, 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

jeu. 12/4

2:37 pm-1:45 pm

2 stops23h 08m

Islip Long Island

dim. 12/7

11:15 am-8:36 pm

1 stop9h 21m

$492

AllentownIslip

ABE - ISP

ABEISP

Allentown-Bethlehem

lun. 12/1

12:36 pm-7:34 pm

2 stops30h 58m

Islip Long Island

sam. 12/6

5:54 pm-1:47 pm

1 stop19h 53m

$495

AllentownIslip

ABE - ISP

ABEISP

Allentown-Bethlehem

sam. 11/29

7:00 am-10:09 am

1 stop27h 09m

Islip Long Island

mer. 12/3

5:54 pm-1:47 pm

1 stop19h 53m

$604

AllentownIslip

ABE - ISP

ABEISP

Allentown-Bethlehem

lun. 12/1

12:36 pm-7:34 pm

2 stops30h 58m

Islip Long Island

dim. 12/7

11:15 am-8:36 pm

1 stop9h 21m

$627

AllentownIslip

ABE - ISP

ABEISP

Allentown-Bethlehem

sam. 11/29

1:49 pm-8:02 am

2 stops42h 13m

Islip Long Island

jeu. 12/4

10:19 am-8:36 pm

1 stop10h 17m

$631

AllentownIslip

ABE - ISP

ABEISP

Allentown-Bethlehem

dim. 11/30

7:00 am-8:02 am

2 stops25h 02m

Islip Long Island

sam. 12/6

5:54 pm-1:47 pm

1 stop19h 53m

$722

AllentownIslip

ABE - ISP

ABEISP

Allentown-Bethlehem

dim. 11/30

7:00 am-8:02 am

2 stops25h 02m

Islip Long Island

mer. 12/3

5:54 pm-1:47 pm

1 stop19h 53m

$736

AllentownIslip

ABE - ISP

ABEISP

Allentown-Bethlehem

dim. 11/30

7:00 am-8:02 am

2 stops25h 02m

Islip Long Island

jeu. 12/4

10:19 am-8:36 pm

1 stop10h 17m

$774

AllentownIslip

ABE - ISP

ABEISP

Allentown-Bethlehem

dim. 11/30

7:00 am-8:02 am

2 stops25h 02m

Islip Long Island

dim. 12/7

11:15 am-8:36 pm

1 stop9h 21m

$854

AllentownIslip

ABE - ISP

ABEISP

Allentown-Bethlehem

sam. 11/1

11:34 am-11:37 am

3 stops48h 03m

$308

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

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 October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Allentown-Islip, New York flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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

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, 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.

See more FAQs

Traveling to a place near Islip?

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

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