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Islip

$234+ 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — ISP
May 25 — Jun 11
Mon 5/25
Mon 6/1
1 adult, Economy
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Cheap 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 April 25, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/25. 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.
Tue 6/1610:00 am
ABE
-
ISP
1 stop24h 03m
Multiple Airlines
Sat 6/206:09 pm
ISP
-
ABE
1 stop5h 10m
Multiple Airlines
Deal found 4/25$347
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
Thu 5/218:00 am
ABE
-
ISP
1 stop26h 05m
Multiple Airlines
Thu 5/2811:00 am
ISP
-
ABE
2 stops35h 28m
Multiple Airlines
Deal found 4/23$370
This Kiwi.com deal was found by Cheapflights users on 4/25. 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.
Thu 6/188:00 am
ABE
-
ISP
1 stop26h 03m
Multiple Airlines
Sat 6/206:09 pm
ISP
-
ABE
1 stop5h 10m
Multiple Airlines
Deal found 4/25$389
This Kiwi.com deal was found by Cheapflights users on 4/25. 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.
Tue 6/1610:00 am
ABE
-
ISP
1 stop24h 03m
Multiple Airlines
Wed 6/247:41 pm
ISP
-
ABE
1 stop25h 36m
Multiple Airlines
Deal found 4/25$393
This Kiwi.com deal was found by Cheapflights users on 4/25. 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.
Tue 6/1610:00 am
ABE
-
ISP
1 stop24h 03m
Multiple Airlines
Mon 6/2210:48 am
ISP
-
ABE
1 stop29h 09m
Multiple Airlines
Deal found 4/25$426
This Kiwi.com deal was found by Cheapflights users on 4/25. 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.
Tue 6/1610:00 am
ABE
-
ISP
1 stop24h 03m
Multiple Airlines
Sun 6/217:49 pm
ISP
-
ABE
2 stops27h 17m
Multiple Airlines
Deal found 4/25$433
This Kiwi.com deal was found by Cheapflights users on 4/25. 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.
Thu 6/188:00 am
ABE
-
ISP
1 stop26h 03m
Multiple Airlines
Wed 6/247:41 pm
ISP
-
ABE
1 stop25h 36m
Multiple Airlines
Deal found 4/25$435
This Kiwi.com deal was found by Cheapflights users on 4/25. 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.
Sat 6/208:10 am
ABE
-
ISP
1 stop9h 19m
Multiple Airlines
Wed 6/247:41 pm
ISP
-
ABE
1 stop25h 36m
Multiple Airlines
Deal found 4/25$437
This Kiwi.com deal was found by Cheapflights users on 4/25. 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.
Thu 5/79:00 am
ABE
-
ISP
1 stop25h 05m
Multiple Airlines
Wed 5/1311:57 am
ISP
-
ABE
2 stops26h 59m
Multiple Airlines
Deal found 4/25$443
This Kiwi.com deal was found by Cheapflights users on 4/25. 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.
Mon 6/154:39 pm
ABE
-
ISP
2 stops25h 59m
Multiple Airlines
Sat 6/206:09 pm
ISP
-
ABE
1 stop5h 10m
Multiple Airlines
Deal found 4/25$456

Find 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 April 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$347
(Kiwi.com)

One-way from

$234
(Kiwi.com)
Provider with most accurate pricing for Allentown-Bethlehem-Islip Long Island flight deals.
Search Deals
Provider most trusted by Cheapflights users for Allentown-Bethlehem-Islip Long Island flights.
Search Deals
From Allentown-Bethlehem to Islip Long Island
Search Deals
One-way flight from Allentown-Bethlehem to Islip Long Island
Search Deals

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 April 25, 2026.
Use the filters below to find and compare flights from Allentown to Islip that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AllentownIslip

ABE - ISP

ABEISP

Allentown-Bethlehem

Thu 5/21

8:00 am-10:05 am

1 stop26h 05m

Islip Long Island

Thu 5/28

11:00 am-10:28 pm

2 stops35h 28m

$370

AllentownIslip

ABE - ISP

ABEISP

Allentown-Bethlehem

Tue 6/16

10:00 am-10:03 am

1 stop24h 03m

Islip Long Island

Sat 6/20

7:50 pm-11:07 pm

2 stops27h 17m

$453
Quickest round-trip

AllentownIslip

ABE - ISP

ABEISP

Allentown-Bethlehem

Mon 6/15

4:39 pm-6:38 pm

2 stops25h 59m

Islip Long Island

Sat 6/20

6:09 pm-11:19 pm

1 stop5h 10m

$456

AllentownIslip

ABE - ISP

ABEISP

Allentown-Bethlehem

Tue 6/16

10:00 am-10:03 am

1 stop24h 03m

Islip Long Island

Tue 6/23

4:41 pm-12:41 pm

2 stops20h 00m

$467

AllentownIslip

ABE - ISP

ABEISP

Allentown-Bethlehem

Fri 5/8

1:41 pm-10:05 am

2 stops20h 24m

Islip Long Island

Wed 5/13

11:00 am-2:56 pm

1 stop27h 56m

$476

AllentownIslip

ABE - ISP

ABEISP

Allentown-Bethlehem

Sat 5/23

3:03 pm-10:05 am

2 stops43h 02m

Islip Long Island

Sat 5/30

11:00 am-1:57 pm

1 stop26h 57m

$516

AllentownIslip

ABE - ISP

ABEISP

Allentown-Bethlehem

Wed 6/17

8:30 am-5:29 pm

1 stop8h 59m

Islip Long Island

Mon 6/22

10:48 am-3:57 pm

1 stop29h 09m

$543

AllentownIslip

ABE - ISP

ABEISP

Allentown-Bethlehem

Wed 6/17

8:30 am-5:29 pm

1 stop8h 59m

Islip Long Island

Wed 6/24

7:50 pm-11:07 pm

2 stops27h 17m

$545
Cheapest one-way
Quickest one-way

AllentownIslip

ABE - ISP

ABEISP

Allentown-Bethlehem

Mon 5/11

1:41 pm-1:28 pm

3 stops23h 47m

$234

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/25

Sorted by cheapest first

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 April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust 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.

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.

Traveling to a place near Islip?

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

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