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

Southwest, Frontier, and JetBlue can get you from Pennsylvania to Islip, New York in just under 8h 16m. Your travel time can differ by up to 14h 48m. The distance from Pennsylvania to Islip, New York is about 248 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. Dulles Intl - Islip Long Island. You may also consider Washington, D.C. Reagan-National - Islip Long Island or Pittsburgh - 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.

$100+ 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 21, 2026.

Tue 9/156:10 am -

1 stop4h 05m

Tue 9/226:05 am -

1 stop6h 00m

Deal found 8/16

$201

Tue 9/1511:12 am -

1 stop5h 46m

Tue 9/225:43 pm -

1 stop16h 34m

Deal found 8/17

$213

Wed 9/911:12 am -

1 stop5h 46m

Sat 9/125:43 pm -

1 stop16h 44m

Deal found 8/19

$232

Thu 9/1711:12 am -

1 stop5h 46m

Sat 9/195:43 pm -

1 stop16h 44m

Deal found 8/18

$235

Thu 9/1711:12 am -

1 stop5h 46m

Mon 9/215:43 pm -

1 stop16h 34m

Deal found 8/18

$239

Sat 9/1911:12 am -

1 stop5h 46m

Sun 9/206:48 pm -

1 stop18h 05m

Deal found 8/21

$241

Sat 9/1211:12 am -

1 stop5h 46m

Mon 9/145:43 pm -

1 stop16h 34m

Deal found 8/19

$242

Mon 9/1411:12 am -

1 stop5h 46m

Wed 9/165:43 pm -

1 stop16h 34m

Deal found 8/17

$245

Mon 9/1411:12 am -

1 stop5h 46m

Mon 9/215:43 pm -

1 stop16h 34m

Deal found 8/17

$253

Fri 9/47:10 pm -

1 stop23h 04m

Tue 9/810:57 am -

1 stop26h 50m

Deal found 8/20

$256

Tue 9/155:55 am -

1 stop11h 03m

Tue 9/2212:00 pm -

2 stops13h 01m

Deal found 8/16

$258

Fri 10/211:12 am -

1 stop5h 46m

Sun 10/45:43 pm -

1 stop16h 34m

Deal found 8/20

$261

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 21, 2026.

Tue 9/1512:40 pm -

2 stops8h 30m

Tue 9/226:05 am -

1 stop6h 00m

Deal found 8/16

$206

Fri 9/47:10 pm -

1 stop23h 04m

Tue 9/810:57 am -

1 stop26h 50m

Deal found 8/20

$256

Tue 9/155:55 am -

1 stop11h 03m

Tue 9/2212:00 pm -

2 stops13h 01m

Deal found 8/16

$258

Tue 9/157:05 am -

1 stop8h 31m

Thu 9/177:00 am -

1 stop7h 58m

Deal found 8/17

$329

Tue 9/111:05 am -

1 stop22h 48m

Wed 9/305:43 pm -

1 stop16h 44m

Deal found 8/21

$268

Sat 9/263:30 pm -

1 stop5h 20m

Mon 9/286:10 am -

1 stop6h 00m

Deal found 8/19

$276

Thu 10/229:45 pm -

1 stop12h 35m

Sun 10/255:40 am -

1 stop5h 50m

Deal found 8/20

$281

Wed 9/94:35 pm -

1 stop6h 47m

Fri 9/117:00 am -

1 stop7h 58m

Deal found 8/18

$329

Mon 9/147:05 am -

1 stop8h 31m

Mon 9/217:00 am -

1 stop7h 58m

Deal found 8/17

$329

Tue 9/86:10 am -

1 stop6h 00m

Fri 9/114:05 pm -

1 stop5h 50m

Deal found 8/20

$304

Wed 9/211:05 am -

1 stop22h 48m

Sun 9/610:57 am -

1 stop22h 53m

Deal found 8/18

$350

Wed 9/1610:00 am -

2 stops49h 12m

Wed 9/235:43 pm -

1 stop26h 42m

Deal found 8/19

$392

Fri 9/187:05 am -

1 stop8h 31m

Sun 9/207:00 am -

1 stop7h 58m

Deal found 8/18

$329

Tue 9/225:45 pm -

2 stops17h 35m

Thu 9/245:43 pm -

1 stop15h 22m

Deal found 8/17

$398

Wed 9/93:25 pm -

1 stop5h 45m

Sun 9/1310:20 am -

2 stops7h 20m

Deal found 8/16

$329

Sat 9/125:55 am -

1 stop11h 03m

Mon 9/145:43 pm -

1 stop7h 18m

Deal found 8/16

$363

Tue 9/224:00 pm -

1 stop7h 22m

Wed 9/237:00 am -

1 stop7h 59m

Deal found 8/18

$353

Thu 12/312:20 pm -

1 stop3h 55m

Sat 12/53:30 pm -

1 stop6h 05m

Deal found 8/18

$329

Mon 9/145:55 am -

2 stops31h 03m

Mon 9/215:43 pm -

1 stop7h 18m

Deal found 8/17

$406

Sat 9/58:39 pm -

2 stops37h 14m

Mon 9/77:09 pm -

2 stops27h 43m

Deal found 8/17

$382

Fri 10/23:38 pm -

1 stop7h 44m

Tue 10/64:26 pm -

1 stop7h 20m

Deal found 8/20

$353

Sun 10/43:26 pm -

1 stop28h 33m

Sun 10/116:25 pm -

1 stop28h 03m

Deal found 8/20

$409

Tue 9/227:30 am -

1 stop8h 06m

Wed 9/237:00 am -

1 stop7h 07m

Deal found 8/18

$353

Wed 9/236:00 am -

1 stop8h 55m

Fri 9/255:00 pm -

1 stop6h 55m

Deal found 8/17

$357

Tue 9/227:15 am -

1 stop9h 43m

Thu 9/246:48 pm -

1 stop24h 37m

Deal found 8/17

$417

Thu 9/101:29 pm -

1 stop9h 53m

Thu 9/177:00 am -

1 stop7h 59m

Deal found 8/17

$354

Mon 8/318:39 pm -

2 stops20h 08m

Fri 9/410:57 am -

1 stop10h 02m

Deal found 8/16

$430

Fri 9/186:00 am -

1 stop5h 55m

Sun 9/2010:30 am -

1 stop8h 20m

Deal found 8/16

$377

Thu 9/1010:29 pm -

2 stops42h 29m

Thu 9/175:43 pm -

1 stop7h 18m

Deal found 8/17

$417

Tue 9/156:00 am -

1 stop8h 55m

Tue 9/2210:20 am -

1 stop5h 45m

Deal found 8/17

$377

Last-minute flights from Pennsylvania to Islip
Discover last-minute flight deals from Pennsylvania to Islip. Data last updated August 21, 2026 and is based on user searches.

Fri 9/47:10 pm -

1 stop23h 04m

Tue 9/810:57 am -

1 stop26h 50m

Deal found 8/20

$256

Wed 9/911:12 am -

1 stop5h 46m

Sat 9/125:43 pm -

1 stop16h 44m

Deal found 8/19

$232

Sat 9/1211:12 am -

1 stop5h 46m

Mon 9/145:43 pm -

1 stop16h 34m

Deal found 8/19

$242

Mon 9/1411:12 am -

1 stop5h 46m

Wed 9/165:43 pm -

1 stop16h 34m

Deal found 8/17

$245

Mon 9/1411:12 am -

1 stop5h 46m

Mon 9/215:43 pm -

1 stop16h 34m

Deal found 8/17

$253

Tue 9/156:10 am -

1 stop4h 05m

Tue 9/226:05 am -

1 stop6h 00m

Deal found 8/16

$201

Tue 9/1511:12 am -

1 stop5h 46m

Tue 9/225:43 pm -

1 stop16h 34m

Deal found 8/17

$213

Tue 9/155:55 am -

1 stop11h 03m

Tue 9/2212:00 pm -

2 stops13h 01m

Deal found 8/16

$258

Thu 9/1711:12 am -

1 stop5h 46m

Sat 9/195:43 pm -

1 stop16h 44m

Deal found 8/18

$235

Thu 9/1711:12 am -

1 stop5h 46m

Mon 9/215:43 pm -

1 stop16h 34m

Deal found 8/18

$239

Fri 9/1810:27 am -

1 stop6h 31m

Fri 9/255:43 pm -

1 stop16h 34m

Deal found 8/21

$263

Sat 9/1911:12 am -

1 stop5h 46m

Sun 9/206:48 pm -

1 stop18h 05m

Deal found 8/21

$241

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 21, 2026.

Wed 9/911:12 am -

1 stop5h 46m

Deal found 8/17

$100

Wed 9/2311:12 am -

1 stop5h 46m

Deal found 8/18

$101

Sat 9/127:28 pm -

1 stop22h 35m

Deal found 8/21

$106

Tue 10/278:04 pm -

1 stop18h 29m

Deal found 8/16

$109

Sun 10/1811:12 am -

1 stop6h 18m

Deal found 8/17

$119

Fri 9/116:46 pm -

2 stops22h 12m

Deal found 8/17

$123

Sat 9/54:52 pm -

1 stop17h 01m

Deal found 8/20

$126

Thu 9/1011:12 am -

1 stop5h 46m

Deal found 8/17

$129

Mon 9/1411:12 am -

1 stop5h 46m

Deal found 8/19

$134

Wed 9/309:04 pm -

2 stops19h 54m

Deal found 8/20

$141

Thu 9/104:35 pm -

1 stop6h 47m

Deal found 8/18

$165

Fri 9/111:29 pm -

1 stop9h 53m

Deal found 8/18

$177

Find flight deals from Pennsylvania to Islip

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$201 (Southwest)
One-way from	$100 (Expedia)
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

PittsburghIslip

PIT Pittsburgh - ISP Islip Long Island

PITISP

Pittsburgh

Tue 9/15

12:40 pm-9:10 pm

2 stops8h 30m

Islip Long Island

Tue 9/22

6:05 am-12:05 pm

1 stop6h 00m

$206

PittsburghIslip

PIT Pittsburgh - ISP Islip Long Island

PITISP

Pittsburgh

Fri 9/4

7:10 pm-6:14 pm

1 stop23h 04m

Islip Long Island

Tue 9/8

10:57 am-1:47 pm

1 stop26h 50m

$256

NewarkIslip

EWR Newark - ISP Islip Long Island

EWRISP

Newark

Tue 9/15

5:55 am-4:58 pm

1 stop11h 03m

Islip Long Island

Tue 9/22

12:00 pm-1:01 am

2 stops13h 01m

$258

Washington, D.C.Islip

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

IADISP

Washington, D.C. Dulles Intl

Tue 9/1

11:05 am-9:53 am

1 stop22h 48m

Islip Long Island

Wed 9/30

5:43 pm-10:27 am

1 stop16h 44m

$268

PittsburghIslip

PIT Pittsburgh - ISP Islip Long Island

PITISP

Pittsburgh

Sat 9/26

3:30 pm-8:50 pm

1 stop5h 20m

Islip Long Island

Mon 9/28

6:10 am-12:10 pm

1 stop6h 00m

$276

PittsburghIslip

PIT Pittsburgh - ISP Islip Long Island

PITISP

Pittsburgh

Thu 10/22

9:45 pm-10:20 am

1 stop12h 35m

Islip Long Island

Sun 10/25

5:40 am-11:30 am

1 stop5h 50m

$281

PittsburghIslip

PIT Pittsburgh - ISP Islip Long Island

PITISP

Pittsburgh

Tue 9/8

6:10 am-12:10 pm

1 stop6h 00m

Islip Long Island

Fri 9/11

4:05 pm-9:55 pm

1 stop5h 50m

$304

Washington, D.C.Islip

DCA Washington, D.C. Reagan-National - ISP Islip Long Island

DCAISP

Washington, D.C. Reagan-National

Tue 9/15

7:05 am-3:36 pm

1 stop8h 31m

Islip Long Island

Thu 9/17

7:00 am-2:58 pm

1 stop7h 58m

$329

Washington, D.C.Islip

DCA Washington, D.C. Reagan-National - ISP Islip Long Island

DCAISP

Washington, D.C. Reagan-National

Wed 9/9

4:35 pm-11:22 pm

1 stop6h 47m

Islip Long Island

Fri 9/11

7:00 am-2:58 pm

1 stop7h 58m

$329

Washington, D.C.Islip

DCA Washington, D.C. Reagan-National - ISP Islip Long Island

DCAISP

Washington, D.C. Reagan-National

Mon 9/14

7:05 am-3:36 pm

1 stop8h 31m

Islip Long Island

Mon 9/21

7:00 am-2:58 pm

1 stop7h 58m

$329

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

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.

PIT-ISP

IAD-ISP

EWR-ISP

DCA-ISP

LGA-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

PIT-ISP

IAD-ISP

EWR-ISP

DCA-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?
Southwest, Frontier, and JetBlue can get you from Pennsylvania to Islip, New York in just under 8h 16m. Your travel time can differ by up to 14h 48m. The distance from Pennsylvania to Islip, New York is about 248 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. Dulles Intl - Islip Long Island. You may also consider Washington, D.C. Reagan-National - Islip Long Island or Pittsburgh - 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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$100+ 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 21, 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 21, 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 21, 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 21, 2026.

Last-minute flights from Pennsylvania to IslipDiscover last-minute flight deals from Pennsylvania to Islip. Data last updated August 21, 2026 and is based on user searches.

Discover last-minute flight deals from Pennsylvania to Islip. Data last updated August 21, 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 21, 2026.

Search for one-way flight options from Pennsylvania to Islip. Find affordable one-way fares based on user searches. Data last updated August 21, 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 21, 2026.

Pennsylvania and Islip flights

Browse other Pennsylvania and Islip flight options. Last updated on August 21, 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 21, 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 21, 2026.

Last-minute flights from Pennsylvania to Islip
Discover last-minute flight deals from Pennsylvania to Islip. Data last updated August 21, 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 21, 2026.