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Cheap flights from Allentown to New York from $463

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Allentown to New York departing on 6/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Allentown to New York

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:00 am - 8:57 pm
ABE
-
ISP
14h 57m
1 stop
Multiple Airlines Logo
9:52 pm - 11:39 pm
ISP
-
ABE
25h 47m
1 stop
$463Multiple Airlines
Sun, Jun 21 - Wed, Jun 24
Multiple Airlines Logo
6:00 am - 8:57 pm
ABE
-
ISP
14h 57m
1 stop
Multiple Airlines Logo
2:33 pm - 12:27 pm
ISP
-
ABE
21h 54m
2 stops
$501Multiple Airlines
Sun, Jun 21 - Wed, Jun 24
Multiple Airlines Logo
8:30 am - 5:29 pm
ABE
-
ISP
8h 59m
1 stop
Multiple Airlines Logo
9:52 pm - 3:49 pm
ISP
-
ABE
17h 57m
2 stops
$700Multiple Airlines
Wed, Jun 10 - Thu, Jun 11
Multiple Airlines Logo
8:30 am - 5:29 pm
ABE
-
ISP
8h 59m
1 stop
Multiple Airlines Logo
9:52 pm - 3:49 pm
ISP
-
ABE
17h 57m
2 stops
$743Multiple Airlines
Wed, Jun 10 - Thu, Jun 11

momondo Fare Finder

 
Customize your flight search to find flights from Allentown to Islip, New York 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, momondo users made 832,500 searches. Data last updated May 26, 2026.
Use the filters below to find and compare flights from Allentown to Islip, New York that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AllentownIslip

ABE - ISP

ABEISP

Allentown-Bethlehem

Sun 6/21

6:00 am-8:57 pm

1 stop14h 57m

Islip Long Island

Wed 6/24

9:52 pm-11:39 pm

1 stop25h 47m

$463

AllentownIslip

ABE - ISP

ABEISP

Allentown-Bethlehem

Sun 6/21

6:00 am-8:57 pm

1 stop14h 57m

Islip Long Island

Wed 6/24

2:33 pm-12:27 pm

2 stops21h 54m

$501
Quickest round-trip

AllentownIslip

ABE - ISP

ABEISP

Allentown-Bethlehem

Wed 6/10

8:30 am-5:29 pm

1 stop8h 59m

Islip Long Island

Thu 6/11

9:52 pm-3:49 pm

2 stops17h 57m

$700

AllentownIslip

ABE - ISP

ABEISP

Allentown-Bethlehem

Wed 6/10

8:30 am-5:29 pm

1 stop8h 59m

Islip Long Island

Thu 6/11

9:52 pm-3:49 pm

2 stops17h 57m

$743

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Allentown to Islip, New York

Are you open to changing your travel dates? Check out the ideal times to fly from Allentown to Islip, New York according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Allentown to Islip, New York (ABE to ISP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Allentown to Islip, New York

Fastest flight time

14h 57m

Direct flights

None
The fastest flight from Allentown to Islip, New York takes 14h 57m
There are no direct flights from Allentown to Islip, New York. There are no popular flight routes from Allentown to Islip, New York.
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Frequently asked questions about flying from Allentown to Islip, New York

  • How far is Allentown-Bethlehem to Islip Long Island by plane?

    The straight-line distance from Allentown-Bethlehem to Islip Long Island is 118.6 mi. Typically, this will take 14h 57m by plane in normal conditions.

  • When did momondo last update prices for flights from Allentown-Bethlehem Airport to Islip Long Island Airport?

    Prices for flights from Allentown-Bethlehem Airport to Islip Long Island Airport refresh daily.

  • How old do you have to be to fly from Allentown-Bethlehem Airport to Islip Long Island Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Allentown-Bethlehem Airport to Islip Long Island Airport.

  • What documentation or ID do you need to fly to Islip Long Island Airport?

    The necessary travel and health documents for your Islip Long Island Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Allentown to Islip, New York

  • How do I get Price Alerts for flights from Allentown to Islip, New York?

    Confirm your travel details to search for the latest offers for flights from Allentown to Islip, New York. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Allentown to Islip, New York with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Traveling to a place near New York?

Book flights to New York if you plan to visit one of these locations
Montauk
Riverhead
Sag Harbor
Southampton
Amagansett

Why use momondo?

Why should I use momondo to find a flight deal from Allentown to Islip?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Allentown to Islip for you.

Can I find flights from Allentown to Islip with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Islip from Allentown with this policy.

How can momondo help me find flights from Allentown to Islip?

Once you have performed a search for Allentown to Islip flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Allentown to Islip right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Allentown to Islip now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Islip and let you know when they change.

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