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.

$105 Cheap Flights from Islip, New York 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.

6:00 am - 12:05 pm

ISP

PIT

6h 05m

1 stop

12:45 pm - 4:00 pm

PIT

ISP

3h 15m

1 stop

$303Southwest

Tue, Jun 9 - Wed, Jun 10

6:00 am - 11:45 am

ISP

PIT

5h 45m

1 stop

5:30 am - 4:40 pm

PIT

ISP

11h 10m

1 stop

$309Southwest

Fri, Jun 12 - Sun, Jun 14

6:00 am - 11:30 am

ISP

PIT

5h 30m

1 stop

5:50 pm - 11:35 pm

PIT

ISP

5h 45m

1 stop

$320Southwest

Sun, Jul 19 - Mon, Jul 20

9:52 pm - 12:55 pm

ISP

PIT

15h 03m

2 stops

7:09 pm - 8:57 pm

PIT

ISP

25h 48m

1 stop

$321Multiple Airlines

Mon, Jun 22 - Fri, Jun 26

4:40 pm - 10:25 pm

ISP

PIT

5h 45m

1 stop

5:15 am - 4:40 pm

PIT

ISP

11h 25m

1 stop

$323Southwest

Wed, Jul 8 - Sun, Jul 12

9:52 pm - 8:51 am

ISP

PHL

10h 59m

1 stop

7:20 am - 8:57 pm

PHL

ISP

13h 37m

2 stops

$332Frontier

Mon, Jun 15 - Wed, Jun 17

9:52 pm - 8:51 am

ISP

PHL

10h 59m

1 stop

1:28 pm - 8:57 pm

PHL

ISP

7h 29m

1 stop

$336Frontier

Mon, Jun 15 - Wed, Jun 17

12:25 pm - 11:02 pm

ISP

JFK

10h 37m

1 stop

5:01 am - 11:30 am

JFK

ISP

6h 29m

1 stop

$428JetBlue

Wed, Jun 10 - Tue, Jun 16

12:00 pm - 8:04 pm

ISP

LGA

8h 04m

1 stop

8:44 pm - 2:12 pm

LGA

ISP

17h 28m

1 stop

$429JetBlue

Sat, Jun 6 - Sat, Jun 13

9:52 pm - 4:01 pm

ISP

LGA

18h 09m

1 stop

6:48 pm - 11:17 am

LGA

ISP

16h 29m

2 stops

$458Multiple Airlines

Mon, Jun 15 - Fri, Jun 19

JetBlue flights from Islip, New York to Pennsylvania

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

JetBlue

Jun 10

ISP12:25 pmIslip Long Island

10h 37m

1 stop

JFK11:02 pmNew York John F Kennedy Intl

Jun 16

JFK5:01 amNew York John F Kennedy Intl

6h 29m

1 stop

ISP11:30 amIslip Long Island

$428

JetBlue

Jun 6

ISP12:00 pmIslip Long Island

8h 04m

1 stop

LGA8:04 pmNew York LaGuardia

Jun 13

LGA8:44 pmNew York LaGuardia

17h 28m

1 stop

ISP2:12 pmIslip Long Island

$429

JetBlue

Jun 2

ISP12:25 pmIslip Long Island

10h 07m

1 stop

DCA10:32 pmWashington, D.C. Reagan-National

Jun 9

DCA7:10 amWashington, D.C. Reagan-National

6h 29m

1 stop

ISP1:39 pmIslip Long Island

$439

Frontier flights from Islip, New York to Pennsylvania

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

Frontier

Jun 15

ISP9:52 pmIslip Long Island

10h 59m

1 stop

PHL8:51 amPhiladelphia

Jun 17

PHL7:20 amPhiladelphia

13h 37m

2 stops

ISP8:57 pmIslip Long Island

$332

Frontier

Jun 15

ISP9:52 pmIslip Long Island

10h 59m

1 stop

PHL8:51 amPhiladelphia

Jun 17

PHL1:28 pmPhiladelphia

7h 29m

1 stop

ISP8:57 pmIslip Long Island

$336

Frontier

Jun 10

ISP9:52 pmIslip Long Island

18h 09m

1 stop

LGA4:01 pmNew York LaGuardia

Jun 16

LGA4:56 pmNew York LaGuardia

28h 01m

2 stops

ISP8:57 pmIslip Long Island

$345

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

Cheapest round-trip

Quickest round-trip

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Tue 6/9

6:00 am-12:05 pm

1 stop6h 05m

Pittsburgh

Wed 6/10

12:45 pm-4:00 pm

1 stop3h 15m

$303

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Fri 6/12

6:00 am-11:45 am

1 stop5h 45m

Pittsburgh

Sun 6/14

5:30 am-4:40 pm

1 stop11h 10m

$309

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Sun 7/19

6:00 am-11:30 am

1 stop5h 30m

Pittsburgh

Mon 7/20

5:50 pm-11:35 pm

1 stop5h 45m

$320

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Mon 6/22

9:52 pm-12:55 pm

2 stops15h 03m

Pittsburgh

Fri 6/26

7:09 pm-8:57 pm

1 stop25h 48m

$321

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Wed 7/8

4:40 pm-10:25 pm

1 stop5h 45m

Pittsburgh

Sun 7/12

5:15 am-4:40 pm

1 stop11h 25m

$323

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Mon 6/15

9:52 pm-8:51 am

1 stop10h 59m

Philadelphia

Wed 6/17

7:20 am-8:57 pm

2 stops13h 37m

$332

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Mon 6/15

9:52 pm-8:51 am

1 stop10h 59m

Philadelphia

Wed 6/17

1:28 pm-8:57 pm

1 stop7h 29m

$336

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Wed 6/10

12:25 pm-11:02 pm

1 stop10h 37m

New York John F Kennedy Intl

Tue 6/16

5:01 am-11:30 am

1 stop6h 29m

$428

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Sat 6/6

12:00 pm-8:04 pm

1 stop8h 04m

New York LaGuardia

Sat 6/13

8:44 pm-2:12 pm

1 stop17h 28m

$429

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Mon 6/15

9:52 pm-4:01 pm

1 stop18h 09m

New York LaGuardia

Fri 6/19

6:48 pm-11:17 am

2 stops16h 29m

$458

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, Southwest, and Breeze Airways 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 39% 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	4h 23m
Direct flights	None

The fastest flight from Islip, New York to Pennsylvania takes 4h 23m

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

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

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.