When did momondo last update prices for flights from Islip Long Island Airport to Pennsylvania?

Prices for flights from Islip Long Island Airport to Pennsylvania were last updated today.

How old do you have to be to fly from Islip Long Island Airport to Pennsylvania?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Islip Long Island Airport to Pennsylvania.

What documentation or ID do you need to fly to Pennsylvania?

The travel and health documents required for your trip to Pennsylvania can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Pennsylvania. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$95 Cheap Flights from Islip to Pennsylvania in 2026

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Find the cheapest flights from Islip, New York to Pennsylvania

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:33 am - 10:03 am

ISP

JFK

24h 30m

1 stop

1:11 pm - 4:13 pm

JFK

ISP

27h 02m

1 stop

$197Frontier

Wed, Mar 4 - Wed, Mar 11

9:33 am - 10:03 am

ISP

JFK

24h 30m

1 stop

4:29 pm - 12:47 pm

JFK

ISP

44h 18m

2 stops

$204Frontier

Wed, Mar 4 - Wed, Mar 11

8:33 am - 6:43 pm

ISP

PHL

10h 10m

1 stop

4:09 pm - 11:10 am

PHL

ISP

19h 01m

2 stops

$217Multiple Airlines

Fri, Feb 20 - Tue, Feb 24

8:33 am - 6:43 pm

ISP

PHL

10h 10m

1 stop

5:12 pm - 11:42 pm

PHL

ISP

30h 30m

1 stop

$228Frontier

Fri, Feb 20 - Tue, Feb 24

8:33 am - 6:43 pm

ISP

PHL

10h 10m

1 stop

10:59 pm - 11:10 am

PHL

ISP

36h 11m

2 stops

$230Multiple Airlines

Fri, Feb 20 - Mon, Feb 23

8:33 am - 6:43 pm

ISP

PHL

10h 10m

1 stop

6:22 pm - 11:42 pm

PHL

ISP

29h 20m

1 stop

$250Frontier

Fri, Feb 20 - Mon, Feb 23

12:40 pm - 5:25 pm

ISP

PIT

4h 45m

1 stop

12:35 pm - 9:55 pm

PIT

ISP

9h 20m

2 stops

$288Southwest

Wed, Feb 18 - Tue, Feb 24

12:40 pm - 8:45 pm

ISP

PIT

8h 05m

2 stops

12:35 pm - 9:55 pm

PIT

ISP

9h 20m

2 stops

$293Southwest

Wed, Feb 18 - Tue, Feb 24

8:34 pm - 8:55 am

ISP

JFK

12h 21m

1 stop

7:00 am - 7:39 pm

JFK

ISP

12h 39m

1 stop

$318JetBlue

Tue, Apr 21 - Sat, Apr 25

9:39 am - 6:00 pm

ISP

DCA

8h 21m

1 stop

7:00 am - 7:30 pm

DCA

ISP

12h 30m

1 stop

$398JetBlue

Thu, Mar 5 - Thu, Mar 12

JetBlue flights from Islip, New York to Pennsylvania

Our best JetBlue deals on Islip, New York to Pennsylvania flight tickets

JetBlue

Apr 21

ISP8:34 pmIslip Long Island

12h 21m

1 stop

JFK8:55 amNew York John F Kennedy Intl

Apr 25

JFK7:00 amNew York John F Kennedy Intl

12h 39m

1 stop

ISP7:39 pmIslip Long Island

$318

JetBlue

Mar 5

ISP9:39 amIslip Long Island

8h 21m

1 stop

DCA6:00 pmWashington, D.C. Reagan-National

Mar 12

DCA7:00 amWashington, D.C. Reagan-National

12h 30m

1 stop

ISP7:30 pmIslip Long Island

$398

JetBlue

Feb 26

ISP1:27 pmIslip Long Island

10h 17m

1 stop

PHL11:44 pmPhiladelphia

Mar 4

PHL7:00 amPhiladelphia

27h 02m

1 stop

ISP10:02 amIslip Long Island

$413

Frontier flights from Islip, New York to Pennsylvania

Our best Frontier deals on Islip, New York to Pennsylvania flight tickets

Frontier

Mar 4

ISP9:33 amIslip Long Island

24h 30m

1 stop

JFK10:03 amNew York John F Kennedy Intl

Mar 11

JFK1:11 pmNew York John F Kennedy Intl

27h 02m

1 stop

ISP4:13 pmIslip Long Island

$197

Frontier

Mar 4

ISP9:33 amIslip Long Island

24h 30m

1 stop

JFK10:03 amNew York John F Kennedy Intl

Mar 11

JFK4:29 pmNew York John F Kennedy Intl

44h 18m

2 stops

ISP12:47 pmIslip Long Island

$204

Frontier

Feb 20

ISP8:33 amIslip Long Island

10h 10m

1 stop

PHL6:43 pmPhiladelphia

Feb 24

PHL5:12 pmPhiladelphia

30h 30m

1 stop

ISP11:42 pmIslip Long Island

$228

momondo Fare Finder

Use the filters below to find and compare flights from Islip, New York to Pennsylvania that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Wed 3/4

9:33 am-10:03 am

1 stop24h 30m

New York John F Kennedy Intl

Wed 3/11

1:11 pm-4:13 pm

1 stop27h 02m

$197

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Wed 3/4

9:33 am-10:03 am

1 stop24h 30m

New York John F Kennedy Intl

Wed 3/11

4:29 pm-12:47 pm

2 stops44h 18m

$204

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Fri 2/20

8:33 am-6:43 pm

1 stop10h 10m

Philadelphia

Tue 2/24

4:09 pm-11:10 am

2 stops19h 01m

$217

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Fri 2/20

8:33 am-6:43 pm

1 stop10h 10m

Philadelphia

Tue 2/24

5:12 pm-11:42 pm

1 stop30h 30m

$228

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Fri 2/20

8:33 am-6:43 pm

1 stop10h 10m

Philadelphia

Mon 2/23

10:59 pm-11:10 am

2 stops36h 11m

$230

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Fri 2/20

8:33 am-6:43 pm

1 stop10h 10m

Philadelphia

Mon 2/23

6:22 pm-11:42 pm

1 stop29h 20m

$250

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Wed 2/18

12:40 pm-5:25 pm

1 stop4h 45m

Pittsburgh

Tue 2/24

12:35 pm-9:55 pm

2 stops9h 20m

$288

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Wed 2/18

12:40 pm-8:45 pm

2 stops8h 05m

Pittsburgh

Tue 2/24

12:35 pm-9:55 pm

2 stops9h 20m

$293

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Tue 4/21

8:34 pm-8:55 am

1 stop12h 21m

New York John F Kennedy Intl

Sat 4/25

7:00 am-7:39 pm

1 stop12h 39m

$318

IslipWashington, D.C.

ISP - DCA

ISPDCA

Islip Long Island

Thu 3/5

9:39 am-6:00 pm

1 stop8h 21m

Washington, D.C. Reagan-National

Thu 3/12

7:00 am-7:30 pm

1 stop12h 30m

$398

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Islip, New York to Pennsylvania

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Islip Long Island to Pennsylvania?

Frontier, JetBlue, and Southwest are the most popular carriers operating from Islip Long Island to Pennsylvania

What airlines fly to Pennsylvania?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Pennsylvania from Islip, New York according to our data. United Airlines is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Pennsylvania. Keep in mind that there are 5 different airlines that fly to Pennsylvania on a routine basis, so you have a few additional options to choose from.

Cheap Islip, New York to Pennsylvania flight deals and tips

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

Fastest flight time	3h 25m
Direct flights	None

The fastest flight from Islip, New York to Pennsylvania takes 3h 25m

There are no direct flights from Islip, New York to Pennsylvania. There are no popular flight routes from Islip, New York to Pennsylvania.

Search flight deals

When did momondo last update prices for flights from Islip Long Island Airport to Pennsylvania?
Prices for flights from Islip Long Island Airport to Pennsylvania were last updated today.
How old do you have to be to fly from Islip Long Island Airport to Pennsylvania?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Islip Long Island Airport to Pennsylvania.
What documentation or ID do you need to fly to Pennsylvania?
The travel and health documents required for your trip to Pennsylvania can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Pennsylvania. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

It is quick and easy to find Islip to Pennsylvania flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Pennsylvania that suits you.

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

Flights from Islip to Pennsylvania with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Pennsylvania from Islip.

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

Yes momondo offers price alerts on flights to Pennsylvania from Islip. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.