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 many operators does momondo search for flights from Islip Long Island Airport to Pennsylvania?

As of October 2026, there is 1 operator available to choose from for flights from Islip Long Island Airport to Pennsylvania.

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.

$99 Cheap Flights from Islip, New York to Pennsylvania in 2026/27

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.

12:00 pm - 4:24 pmISP Islip Long Island-PHL Philadelphia

4h 24m1 stop Raleigh-Durham

4:16 pm - 10:17 amPHL Philadelphia-ISP Islip Long Island

18h 01m1 stop Raleigh-Durham

$197Multiple Airlines

Sat, Nov 14 - Sat, Dec 5

12:30 pm - 5:55 pmISP Islip Long Island-PIT Pittsburgh

5h 25m1 stop Baltimore/Washington

12:30 pm - 5:05 pmPIT Pittsburgh-ISP Islip Long Island

4h 35m1 stop Baltimore/Washington

$204Southwest

Tue, Nov 10 - Thu, Nov 12

12:30 pm - 9:05 pmISP Islip Long Island-PIT Pittsburgh

8h 35m2 stops Baltimore/Washington Nashville Intl

12:30 pm - 5:05 pmPIT Pittsburgh-ISP Islip Long Island

4h 35m1 stop Baltimore/Washington

$210Southwest

Tue, Nov 10 - Thu, Nov 12

12:00 pm - 4:24 pmISP Islip Long Island-PHL Philadelphia

4h 24m1 stop Raleigh-Durham

4:38 pm - 10:17 amPHL Philadelphia-ISP Islip Long Island

17h 39m2 stops Atlanta Hartsfield-Jackson Raleigh-Durham

$222Multiple Airlines

Sat, Nov 14 - Sat, Dec 5

6:00 am - 11:55 amISP Islip Long Island-PIT Pittsburgh

5h 55m1 stop Baltimore/Washington

12:20 pm - 4:15 pmPIT Pittsburgh-ISP Islip Long Island

3h 55m1 stop Baltimore/Washington

$279Southwest

Sat, Nov 14 - Thu, Nov 19

6:00 am - 11:55 amISP Islip Long Island-PIT Pittsburgh

5h 55m1 stop Baltimore/Washington

7:15 am - 4:15 pmPIT Pittsburgh-ISP Islip Long Island

9h 00m2 stops Tampa Baltimore/Washington

$284Southwest

Sat, Nov 14 - Thu, Nov 19

12:00 pm - 7:11 amISP Islip Long Island-PHL Philadelphia

19h 11m2 stops Raleigh-Durham Atlanta Hartsfield-Jackson

7:20 pm - 11:20 amPHL Philadelphia-ISP Islip Long Island

16h 00m1 stop Raleigh-Durham

$314Multiple Airlines

Wed, Oct 28 - Fri, Oct 30

12:30 pm - 6:50 pmISP Islip Long Island-PIT Pittsburgh

6h 20m2 stops Baltimore/Washington Atlanta Hartsfield-Jackson

1:30 pm - 11:35 pmPIT Pittsburgh-ISP Islip Long Island

10h 05m2 stops Nashville Intl Baltimore/Washington

$314Southwest

Tue, Nov 10 - Thu, Nov 12

6:00 am - 3:00 pmISP Islip Long Island-PIT Pittsburgh

9h 00m2 stops Baltimore/Washington Nashville Intl

7:15 am - 4:15 pmPIT Pittsburgh-ISP Islip Long Island

9h 00m2 stops Tampa Baltimore/Washington

$328Southwest

Sat, Nov 14 - Thu, Nov 19

3:43 pm - 10:30 amISP Islip Long Island-PIT Pittsburgh

18h 47m1 stop Vero Beach

8:54 pm - 11:20 amPIT Pittsburgh-ISP Islip Long Island

14h 26m1 stop Raleigh-Durham

$342Breeze Airways

Wed, Oct 28 - Mon, Nov 2

Cheap last minute flights

Enter your travel dates to find the best prices.

10:57 am - 11:27 pmISP Islip Long Island-PHL Philadelphia

12h 30m1 stop Raleigh-Durham

9:30 am - 10:17 amPHL Philadelphia-ISP Islip Long Island

24h 47m1 stop Raleigh-Durham

$365Multiple Airlines

Thu, Oct 15 - Wed, Nov 4

10:57 am - 11:27 pmISP Islip Long Island-PHL Philadelphia

12h 30m1 stop Raleigh-Durham

12:36 pm - 10:17 amPHL Philadelphia-ISP Islip Long Island

21h 41m2 stops Atlanta Hartsfield-Jackson Raleigh-Durham

$437Multiple Airlines

Thu, Oct 15 - Wed, Nov 4

6:55 pm - 7:23 pmISP Islip Long Island-PIT Pittsburgh

24h 28m1 stop Orlando

7:51 pm - 6:00 pmPIT Pittsburgh-ISP Islip Long Island

22h 09m1 stop Orlando

$441Frontier

Fri, Oct 16 - Sun, Oct 18

3:10 pm - 12:20 amISP Islip Long Island-PIT Pittsburgh

9h 10m2 stops Baltimore/Washington Tampa

5:45 pm - 11:40 pmPIT Pittsburgh-ISP Islip Long Island

5h 55m1 stop Baltimore/Washington

$604Southwest

Fri, Oct 16 - Sun, Oct 18

1:38 pm - 12:08 amISP Islip Long Island-PHL Philadelphia

10h 30m2 stops Wilmington New Hanover County Orlando

9:30 am - 10:17 amPHL Philadelphia-ISP Islip Long Island

24h 47m1 stop Raleigh-Durham

$615Multiple Airlines

Tue, Oct 13 - Wed, Oct 14

6:25 pm - 6:15 pmISP Islip Long Island-PHL Philadelphia

23h 50m2 stops Orlando Atlanta Hartsfield-Jackson

6:00 am - 5:31 pmPHL Philadelphia-ISP Islip Long Island

35h 31m2 stops San Juan Luis Munoz Marin Intl Orlando

$626Frontier

Thu, Oct 15 - Wed, Nov 4

11:00 am - 6:20 pmISP Islip Long Island-PIT Pittsburgh

7h 20m2 stops Baltimore/Washington Orlando

3:55 pm - 11:40 pmPIT Pittsburgh-ISP Islip Long Island

7h 45m2 stops Orlando Baltimore/Washington

$726Southwest

Fri, Oct 16 - Sun, Oct 18

4:20 pm - 10:15 pmISP Islip Long Island-PHL Philadelphia

5h 55m1 stop Orlando

7:00 am - 1:10 pmPHL Philadelphia-ISP Islip Long Island

6h 10m1 stop Orlando

$797Southwest

Tue, Oct 13 - Wed, Oct 14

12:50 pm - 9:35 pmISP Islip Long Island-PHL Philadelphia

8h 45m2 stops Baltimore/Washington Nashville Intl

1:20 pm - 10:40 pmPHL Philadelphia-ISP Islip Long Island

9h 20m2 stops Chicago Midway Baltimore/Washington

$807Southwest

Tue, Oct 13 - Wed, Oct 14

9:33 pm - 9:30 amISP Islip Long Island-PIT Pittsburgh

11h 57m1 stop Vero Beach

10:15 am - 2:45 pmPIT Pittsburgh-ISP Islip Long Island

28h 30m1 stop Vero Beach

$879Breeze Airways

Mon, Oct 12 - Tue, Dec 15

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Frontier flights from Islip, New York to Pennsylvania

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

Frontier

Oct 31

ISP6:33 pmIslip Long Island

20h 20m

1 stop

PHL2:53 pmPhiladelphia

Nov 7

PHL5:15 amPhiladelphia

12h 16m

1 stop

ISP5:31 pmIslip Long Island

$415

Frontier

Oct 16

ISP6:55 pmIslip Long Island

24h 28m

1 stop

PIT7:23 pmPittsburgh

Oct 18

PIT7:51 pmPittsburgh

22h 09m

1 stop

ISP6:00 pmIslip Long Island

$441

Frontier

Oct 31

ISP6:33 pmIslip Long Island

15h 57m

1 stop

PHL10:30 amPhiladelphia

Nov 7

PHL10:37 amPhiladelphia

6h 54m

1 stop

ISP5:31 pmIslip Long Island

$473

Southwest flights from Islip, New York to Pennsylvania

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

Southwest

Nov 10

ISP12:30 pmIslip Long Island

5h 25m

1 stop

PIT5:55 pmPittsburgh

Nov 12

PIT12:30 pmPittsburgh

4h 35m

1 stop

ISP5:05 pmIslip Long Island

$204

Southwest

Nov 10

ISP12:30 pmIslip Long Island

8h 35m

2 stops

PIT9:05 pmPittsburgh

Nov 12

PIT12:30 pmPittsburgh

4h 35m

1 stop

ISP5:05 pmIslip Long Island

$210

Southwest

Nov 10

ISP12:30 pmIslip Long Island

6h 20m

2 stops

PIT6:50 pmPittsburgh

Nov 12

PIT1:30 pmPittsburgh

10h 05m

2 stops

ISP11:35 pmIslip Long Island

$314

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

IslipPhiladelphia

ISP Islip Long Island - PHL Philadelphia

ISPPHL

Islip Long Island

Sat 11/14

12:00 pm-4:24 pm

1 stop4h 24m

Philadelphia

Sat 12/5

4:16 pm-10:17 am

1 stop18h 01m

$197

IslipPittsburgh

ISP Islip Long Island - PIT Pittsburgh

ISPPIT

Islip Long Island

Tue 11/10

12:30 pm-5:55 pm

1 stop5h 25m

Pittsburgh

Thu 11/12

12:30 pm-5:05 pm

1 stop4h 35m

$204

IslipPittsburgh

ISP Islip Long Island - PIT Pittsburgh

ISPPIT

Islip Long Island

Tue 11/10

12:30 pm-9:05 pm

2 stops8h 35m

Pittsburgh

Thu 11/12

12:30 pm-5:05 pm

1 stop4h 35m

$210

IslipPhiladelphia

ISP Islip Long Island - PHL Philadelphia

ISPPHL

Islip Long Island

Sat 11/14

12:00 pm-4:24 pm

1 stop4h 24m

Philadelphia

Sat 12/5

4:38 pm-10:17 am

2 stops17h 39m

$222

Quickest round-trip

IslipPittsburgh

ISP Islip Long Island - PIT Pittsburgh

ISPPIT

Islip Long Island

Sat 11/14

6:00 am-11:55 am

1 stop5h 55m

Pittsburgh

Thu 11/19

12:20 pm-4:15 pm

1 stop3h 55m

$279

IslipPittsburgh

ISP Islip Long Island - PIT Pittsburgh

ISPPIT

Islip Long Island

Sat 11/14

6:00 am-11:55 am

1 stop5h 55m

Pittsburgh

Thu 11/19

7:15 am-4:15 pm

2 stops9h 00m

$284

IslipPhiladelphia

ISP Islip Long Island - PHL Philadelphia

ISPPHL

Islip Long Island

Wed 10/28

12:00 pm-7:11 am

2 stops19h 11m

Philadelphia

Fri 10/30

7:20 pm-11:20 am

1 stop16h 00m

$314

IslipPittsburgh

ISP Islip Long Island - PIT Pittsburgh

ISPPIT

Islip Long Island

Tue 11/10

12:30 pm-6:50 pm

2 stops6h 20m

Pittsburgh

Thu 11/12

1:30 pm-11:35 pm

2 stops10h 05m

$314

IslipPittsburgh

ISP Islip Long Island - PIT Pittsburgh

ISPPIT

Islip Long Island

Sat 11/14

6:00 am-3:00 pm

2 stops9h 00m

Pittsburgh

Thu 11/19

7:15 am-4:15 pm

2 stops9h 00m

$328

IslipPittsburgh

ISP Islip Long Island - PIT Pittsburgh

ISPPIT

Islip Long Island

Wed 10/28

3:43 pm-10:30 am

1 stop18h 47m

Pittsburgh

Mon 11/2

8:54 pm-11:20 am

1 stop14h 26m

$342

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?

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

What airlines fly to Pennsylvania?

United Airlines, Delta and American Airlines 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 49% 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

Best Price Found	$99
Fastest flight time	5h 40m
Direct flights	None

The best one-way flight to Pennsylvania from Islip, New York in the past 72 hours is $99. The best round-trip flight deal from Islip, New York to Pennsylvania found on momondo in the last 72 hours is $197.

The fastest flight from Islip, New York to Pennsylvania takes 5h 40m

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 many operators does momondo search for flights from Islip Long Island Airport to Pennsylvania?
As of October 2026, there is 1 operator available to choose from for flights from Islip Long Island Airport to Pennsylvania.
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.

Best airlines flying from Islip, New York to Pennsylvania

Compare and see reviews for airlines that fly from Islip, New York to Pennsylvania with momondo

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $240	Free Cancellation	Rating 7.9 4,228 reviews		Search Southwest flights

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.