How long is the flight from Pennsylvania to Islip, New York?

Frontier, Southwest, and JetBlue can get you from Pennsylvania to Islip, New York in just under 5h 46m. Your travel time can differ by up to 1h 58m. The distance from Pennsylvania to Islip, New York is about 263 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

In terms of precipitation, rainfall in Islip, New York ranges from 3.3 - 4.4 inches per month. March is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Islip, New York when rainfall is around 3.3 in.

If weather is an important factor for your trip to Islip, New York, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

What are the most popular routes from Pennsylvania to Islip, New York?

The most popular route from Pennsylvania to Islip, New York is Washington, D.C. Reagan-National - Islip Long Island. You may also consider Washington, D.C. Dulles Intl - Islip Long Island or New York John F Kennedy Intl - Islip Long Island.

What is the cheapest time of day to fly from PA to ISP?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Pennsylvania to Islip, New York as you normally would.

What airport do you fly into for flights to Islip from Pennsylvania?

If you book a flight to Islip from Pennsylvania, you will be flying to Long Island, which is the city’s only airport. Islip Long Island (ISP) is located 7.2 mi from the center of Islip.

Can I find deals for flights from Pennsylvania to Islip that include hotel bookings?

Yes. In addition to deals on Pennsylvania to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Pennsylvania to Islip?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pennsylvania to Islip.

Can I find deals for business class flights from Pennsylvania to Islip?

Yes. Cheapflights offers flight deals from Pennsylvania 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.

$91+ Cheap Flights from Pennsylvania to Islip, NY

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Cheap flight deals from Pennsylvania to Islip

Cheapest

Best

Last-minute

One-way

Cheapest flights from Pennsylvania to Islip
Explore the most affordable flight options available from Pennsylvania to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 28, 2026.

Tue 9/1511:12 am -

1 stop5h 46m

Tue 9/225:43 pm -

1 stop16h 34m

Deal found 8/27

$204

Thu 9/1711:12 am -

1 stop5h 46m

Mon 9/215:43 pm -

1 stop16h 34m

Deal found 8/26

$222

Wed 9/2311:12 am -

1 stop5h 46m

Fri 9/256:48 pm -

1 stop23h 45m

Deal found 8/26

$240

Sat 9/1911:12 am -

1 stop5h 46m

Sun 9/206:48 pm -

1 stop18h 05m

Deal found 8/26

$241

Fri 9/1111:12 am -

1 stop5h 46m

Tue 9/155:43 pm -

1 stop16h 34m

Deal found 8/27

$249

Fri 9/2511:12 am -

1 stop5h 46m

Fri 10/26:48 pm -

1 stop23h 45m

Deal found 8/28

$251

Wed 9/92:42 pm -

1 stop26h 16m

Sun 9/135:43 pm -

1 stop20h 04m

Deal found 8/24

$256

Sun 9/1311:12 am -

1 stop5h 46m

Tue 9/155:43 pm -

1 stop16h 34m

Deal found 8/24

$261

Thu 9/102:32 pm -

1 stop26h 26m

Mon 9/145:43 pm -

1 stop20h 04m

Deal found 8/26

$262

Thu 10/111:12 am -

1 stop5h 46m

Sun 10/45:43 pm -

1 stop16h 34m

Deal found 8/26

$269

Fri 10/211:12 am -

1 stop5h 46m

Sun 10/45:43 pm -

1 stop16h 34m

Deal found 8/27

$270

Fri 9/1810:27 am -

1 stop6h 31m

Sun 9/206:48 pm -

1 stop18h 05m

Deal found 8/24

$271

Best flights from Pennsylvania to Islip
Discover carefully curated flight deals from Pennsylvania to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 28, 2026.

Fri 9/1810:27 am -

1 stop6h 31m

Sun 9/206:48 pm -

1 stop18h 05m

Deal found 8/24

$271

Sat 9/266:10 am -

1 stop5h 55m

Mon 9/284:05 pm -

1 stop5h 50m

Deal found 8/27

$276

Fri 9/115:45 pm -

2 stops17h 35m

Tue 9/1512:00 pm -

1 stop25h 35m

Deal found 8/26

$280

Fri 10/23:38 pm -

1 stop7h 44m

Tue 10/64:26 pm -

1 stop7h 20m

Deal found 8/23

$353

Sat 9/127:15 am -

1 stop9h 43m

Mon 9/145:43 pm -

2 stops24h 31m

Deal found 8/24

$278

Fri 10/96:00 pm -

1 stop5h 40m

Sun 10/115:40 am -

1 stop5h 50m

Deal found 8/28

$302

Fri 9/115:45 pm -

1 stop23h 13m

Tue 9/155:43 pm -

1 stop15h 47m

Deal found 8/26

$280

Sat 10/107:20 pm -

1 stop14h 57m

Sun 10/186:25 pm -

2 stops36h 56m

Deal found 8/28

$321

Sat 9/2610:05 am -

2 stops10h 45m

Sat 10/36:15 am -

2 stops6h 25m

Deal found 8/27

$304

Mon 9/2110:27 am -

1 stop6h 31m

Wed 9/235:43 pm -

1 stop16h 44m

Deal found 8/27

$287

Fri 9/256:36 pm -

3 stops16h 44m

Fri 10/29:33 pm -

1 stop11h 48m

Deal found 8/28

$759

Thu 9/1012:17 pm -

2 stops28h 41m

Tue 9/155:43 pm -

1 stop7h 18m

Deal found 8/26

$366

Sat 9/125:15 am -

1 stop11h 43m

Wed 9/165:43 pm -

1 stop17h 57m

Deal found 8/28

$306

Thu 10/14:35 pm -

1 stop6h 47m

Mon 10/57:00 am -

1 stop7h 58m

Deal found 8/24

$413

Wed 9/93:25 pm -

1 stop5h 45m

Tue 9/156:05 am -

1 stop6h 00m

Deal found 8/25

$351

Fri 10/25:55 am -

1 stop11h 03m

Tue 10/61:38 pm -

2 stops11h 23m

Deal found 8/28

$368

Fri 10/23:45 pm -

1 stop7h 37m

Tue 10/67:00 am -

1 stop7h 07m

Deal found 8/23

$423

Wed 9/92:00 pm -

2 stops7h 10m

Wed 9/166:05 am -

2 stops9h 05m

Deal found 8/25

$361

Thu 9/246:00 am -

2 stops10h 46m

Sun 9/275:43 pm -

1 stop15h 22m

Deal found 8/25

$370

Wed 9/97:15 am -

1 stop9h 43m

Sat 9/125:43 pm -

1 stop15h 22m

Deal found 8/26

$367

Thu 11/126:10 am -

2 stops9h 25m

Sun 11/154:25 pm -

1 stop6h 15m

Deal found 8/27

$372

Fri 10/99:06 pm -

2 stops20h 24m

Fri 10/169:33 pm -

1 stop11h 48m

Deal found 8/25

$391

Thu 9/101:50 pm -

2 stops8h 20m

Mon 9/146:10 am -

1 stop6h 00m

Deal found 8/26

$372

Wed 11/189:30 am -

1 stop24h 47m

Mon 11/309:39 am -

2 stops39h 15m

Deal found 8/24

$393

Fri 9/255:55 am -

1 stop11h 03m

Fri 10/25:43 pm -

1 stop7h 18m

Deal found 8/28

$394

Fri 9/187:59 am -

1 stop15h 23m

Sat 9/267:00 am -

1 stop16h 09m

Deal found 8/28

$554

Sat 10/107:55 am -

2 stops8h 15m

Sun 10/185:40 am -

2 stops7h 50m

Deal found 8/28

$397

Sun 9/135:55 am -

2 stops29h 17m

Sat 9/195:43 pm -

1 stop7h 18m

Deal found 8/27

$439

Fri 9/183:45 pm -

1 stop7h 37m

Fri 9/254:26 pm -

1 stop16h 11m

Deal found 8/26

$589

Wed 9/93:25 pm -

1 stop5h 45m

Sun 9/1310:20 am -

2 stops7h 20m

Deal found 8/24

$415

Last-minute flights from Pennsylvania to Islip
Discover last-minute flight deals from Pennsylvania to Islip. Data last updated August 28, 2026 and is based on user searches.

Wed 9/92:42 pm -

1 stop26h 16m

Sun 9/135:43 pm -

1 stop20h 04m

Deal found 8/24

$256

Thu 9/102:32 pm -

1 stop26h 26m

Mon 9/145:43 pm -

1 stop20h 04m

Deal found 8/26

$262

Fri 9/1111:12 am -

1 stop5h 46m

Tue 9/155:43 pm -

1 stop16h 34m

Deal found 8/27

$249

Sun 9/1311:12 am -

1 stop5h 46m

Tue 9/155:43 pm -

1 stop16h 34m

Deal found 8/24

$261

Tue 9/1511:12 am -

1 stop5h 46m

Tue 9/225:43 pm -

1 stop16h 34m

Deal found 8/27

$204

Thu 9/1711:12 am -

1 stop5h 46m

Mon 9/215:43 pm -

1 stop16h 34m

Deal found 8/26

$222

Fri 9/1810:27 am -

1 stop6h 31m

Sun 9/206:48 pm -

1 stop18h 05m

Deal found 8/24

$271

Sat 9/1911:12 am -

1 stop5h 46m

Sun 9/206:48 pm -

1 stop18h 05m

Deal found 8/26

$241

Wed 9/2311:12 am -

1 stop5h 46m

Fri 9/256:48 pm -

1 stop23h 45m

Deal found 8/26

$240

Thu 9/2411:12 am -

1 stop5h 46m

Thu 10/15:43 pm -

1 stop16h 34m

Deal found 8/27

$276

Fri 9/2511:12 am -

1 stop5h 46m

Fri 10/26:48 pm -

1 stop23h 45m

Deal found 8/28

$251

Sat 9/266:10 am -

1 stop5h 55m

Mon 9/284:05 pm -

1 stop5h 50m

Deal found 8/27

$276

One-way flights from Pennsylvania to Islip
Search for one-way flight options from Pennsylvania to Islip. Find affordable one-way fares based on user searches. Data last updated August 28, 2026.

Wed 9/1611:12 am -

1 stop5h 46m

Deal found 8/26

$91

Sat 9/2611:12 am -

1 stop5h 46m

Deal found 8/28

$100

Fri 9/1810:27 am -

1 stop6h 31m

Deal found 8/28

$110

Sat 9/1211:12 am -

1 stop5h 46m

Deal found 8/26

$120

Fri 9/255:32 pm -

2 stops23h 26m

Deal found 8/27

$129

Thu 9/2411:12 am -

1 stop5h 46m

Deal found 8/24

$129

Fri 9/1111:12 am -

1 stop5h 46m

Deal found 8/27

$130

Wed 9/92:42 pm -

1 stop26h 16m

Deal found 8/25

$131

Thu 9/102:32 pm -

1 stop26h 26m

Deal found 8/26

$135

Fri 9/186:46 pm -

2 stops22h 12m

Deal found 8/26

$146

Mon 9/1410:10 am -

2 stops26h 48m

Deal found 8/27

$150

Fri 9/412:28 pm -

1 stop6h 33m

Deal found 8/28

$150

Find flight deals from Pennsylvania to Islip

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$204 (Trip.com)
One-way from	$91 (Frontier)
Popular in	February
Cheapest in	March
Average price	$247

Provider with most accurate pricing for Philadelphia-New York (NYC) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Philadelphia-New York (NYC) flights.

Search Deals

From Pennsylvania to Islip Long Island

Search Deals

One-way flight from Pennsylvania to Islip Long Island

Search Deals

Highest demand for flights based on searches. 2% potential increase in price ($8 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 15% potential price decrease ($53 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Islip

IAD Washington, D.C. Dulles Intl - ISP Islip Long Island

IADISP

Washington, D.C. Dulles Intl

Fri 9/18

10:27 am-4:58 pm

1 stop6h 31m

Islip Long Island

Sun 9/20

6:48 pm-12:53 pm

1 stop18h 05m

$271

PittsburghIslip

PIT Pittsburgh - ISP Islip Long Island

PITISP

Pittsburgh

Sat 9/26

6:10 am-12:05 pm

1 stop5h 55m

Islip Long Island

Mon 9/28

4:05 pm-9:55 pm

1 stop5h 50m

$276

PhiladelphiaIslip

PHL Philadelphia - ISP Islip Long Island

PHLISP

Philadelphia

Sat 9/12

7:15 am-4:58 pm

1 stop9h 43m

Islip Long Island

Mon 9/14

5:43 pm-6:14 pm

2 stops24h 31m

$278

PhiladelphiaIslip

PHL Philadelphia - ISP Islip Long Island

PHLISP

Philadelphia

Fri 9/11

5:45 pm-11:20 am

2 stops17h 35m

Islip Long Island

Tue 9/15

12:00 pm-1:35 pm

1 stop25h 35m

$280

PhiladelphiaIslip

PHL Philadelphia - ISP Islip Long Island

PHLISP

Philadelphia

Fri 9/11

5:45 pm-4:58 pm

1 stop23h 13m

Islip Long Island

Tue 9/15

5:43 pm-9:30 am

1 stop15h 47m

$280

Washington, D.C.Islip

IAD Washington, D.C. Dulles Intl - ISP Islip Long Island

IADISP

Washington, D.C. Dulles Intl

Mon 9/21

10:27 am-4:58 pm

1 stop6h 31m

Islip Long Island

Wed 9/23

5:43 pm-10:27 am

1 stop16h 44m

$287

Quickest round-trip

PittsburghIslip

PIT Pittsburgh - ISP Islip Long Island

PITISP

Pittsburgh

Fri 10/9

6:00 pm-11:40 pm

1 stop5h 40m

Islip Long Island

Sun 10/11

5:40 am-11:30 am

1 stop5h 50m

$302

PittsburghIslip

PIT Pittsburgh - ISP Islip Long Island

PITISP

Pittsburgh

Sat 9/26

10:05 am-8:50 pm

2 stops10h 45m

Islip Long Island

Sat 10/3

6:15 am-12:40 pm

2 stops6h 25m

$304

PhiladelphiaIslip

PHL Philadelphia - ISP Islip Long Island

PHLISP

Philadelphia

Sat 9/12

5:15 am-4:58 pm

1 stop11h 43m

Islip Long Island

Wed 9/16

5:43 pm-11:40 am

1 stop17h 57m

$306

PhiladelphiaIslip

PHL Philadelphia - ISP Islip Long Island

PHLISP

Philadelphia

Sat 10/10

7:20 pm-10:17 am

1 stop14h 57m

Islip Long Island

Sun 10/18

6:25 pm-7:21 am

2 stops36h 56m

$321

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/26

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from Pennsylvania to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Pennsylvania with our price prediction graph.

IAD-ISP

PIT-ISP

PHL-ISP

EWR-ISP

DCA-ISP

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.

Cheapflights Insights

Everything you need to know about your flight from Pennsylvania to Islip

USPA-ISP

IAD-ISP

PIT-ISP

PHL-ISP

EWR-ISP

No data available for this route at this time. Please check back soon.

Related info for your journey

What airport do you fly into for flights to Islip from Pennsylvania?
If you book a flight to Islip from Pennsylvania, you will be flying to Long Island, which is the city’s only airport. Islip Long Island (ISP) is located 7.2 mi from the center of Islip.
How long is the flight from Pennsylvania to Islip, New York?
Frontier, Southwest, and JetBlue can get you from Pennsylvania to Islip, New York in just under 5h 46m. Your travel time can differ by up to 1h 58m. The distance from Pennsylvania to Islip, New York is about 263 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the most popular routes from Pennsylvania to Islip, New York?
The most popular route from Pennsylvania to Islip, New York is Washington, D.C. Reagan-National - Islip Long Island. You may also consider Washington, D.C. Dulles Intl - Islip Long Island or New York John F Kennedy Intl - Islip Long Island.
Can I find deals for flights from Pennsylvania to Islip that include hotel bookings?
Yes. In addition to deals on Pennsylvania to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Pennsylvania to Islip?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pennsylvania to Islip.
Can I find deals for business class flights from Pennsylvania to Islip?
Yes. Cheapflights offers flight deals from Pennsylvania 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.

See more FAQs

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Top airline flying from Pennsylvania to Islip

Airline	Cheapest	Average	Flexibility	On-time
Southwest	Cheapest$196	Average$512	FlexibilityNo cancel fee	On-time63%

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$91+ Cheap flights from Pennsylvania to Islip, NY (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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Pennsylvania to Islip

Cheapest flights from Pennsylvania to IslipExplore the most affordable flight options available from Pennsylvania to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 28, 2026.

Explore the most affordable flight options available from Pennsylvania to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 28, 2026.

Best flights from Pennsylvania to IslipDiscover carefully curated flight deals from Pennsylvania to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 28, 2026.

Discover carefully curated flight deals from Pennsylvania to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 28, 2026.

Last-minute flights from Pennsylvania to IslipDiscover last-minute flight deals from Pennsylvania to Islip. Data last updated August 28, 2026 and is based on user searches.

Discover last-minute flight deals from Pennsylvania to Islip. Data last updated August 28, 2026 and is based on user searches.

One-way flights from Pennsylvania to IslipSearch for one-way flight options from Pennsylvania to Islip. Find affordable one-way fares based on user searches. Data last updated August 28, 2026.

Search for one-way flight options from Pennsylvania to Islip. Find affordable one-way fares based on user searches. Data last updated August 28, 2026.

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Best time to book a flight from Pennsylvania to Islip

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Related info for your journey

What airport do you fly into for flights to Islip from Pennsylvania?

How long is the flight from Pennsylvania to Islip, New York?

What are the most popular routes from Pennsylvania to Islip, New York?

Can I find deals for flights from Pennsylvania to Islip that include hotel bookings?

How can I find direct flights from Pennsylvania to Islip?

Can I find deals for business class flights from Pennsylvania to Islip?

Traveling to a place near Islip?

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Alternative routes for Pennsylvania to Islip

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Complete your trip

Complete your trip to Islip by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Pennsylvania to Islip by cabin class

Find flights from Pennsylvania to Islip, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Islip

Explore flights to Islip departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 28, 2026.

Pennsylvania and Islip flights

Browse other Pennsylvania and Islip flight options. Last updated on August 28, 2026.

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Cheapest flights from Pennsylvania to Islip
Explore the most affordable flight options available from Pennsylvania to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 28, 2026.

Best flights from Pennsylvania to Islip
Discover carefully curated flight deals from Pennsylvania to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 28, 2026.

Last-minute flights from Pennsylvania to Islip
Discover last-minute flight deals from Pennsylvania to Islip. Data last updated August 28, 2026 and is based on user searches.

One-way flights from Pennsylvania to Islip
Search for one-way flight options from Pennsylvania to Islip. Find affordable one-way fares based on user searches. Data last updated August 28, 2026.