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 9h 30m. Your travel time can differ by up to 9h 31m. 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 Philadelphia - 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.

$94+ 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 September 18, 2026.

Tue 10/2011:12 am -

2 stops24h 08m

Mon 10/266:55 pm -

1 stop15h 26m

Deal found 9/14

$226

Wed 10/2110:29 pm -

2 stops19h 01m

Mon 10/266:55 pm -

1 stop29h 08m

Deal found 9/17

$289

Fri 11/1311:16 am -

1 stop6h 40m

Sun 11/156:33 pm -

1 stop15h 48m

Deal found 9/17

$289

Fri 10/27:53 pm -

1 stop18h 52m

Tue 10/65:43 pm -

1 stop16h 34m

Deal found 9/16

$293

Tue 11/36:00 am -

1 stop9h 30m

Fri 11/61:35 pm -

2 stops9h 05m

Deal found 9/14

$298

Sat 11/1411:16 am -

1 stop6h 15m

Sun 11/156:33 pm -

1 stop15h 48m

Deal found 9/18

$300

Tue 11/38:05 am -

2 stops27h 15m

Fri 11/69:33 pm -

1 stop11h 48m

Deal found 9/18

$303

Fri 10/211:12 am -

1 stop5h 46m

Sun 10/45:43 pm -

1 stop16h 34m

Deal found 9/15

$304

Tue 10/611:12 am -

2 stops24h 08m

Tue 10/131:38 pm -

2 stops20h 39m

Deal found 9/15

$308

Tue 9/2911:12 am -

1 stop5h 46m

Sat 10/35:43 pm -

1 stop16h 44m

Deal found 9/14

$320

Sat 9/2611:12 am -

1 stop5h 46m

Mon 9/285:43 pm -

1 stop16h 34m

Deal found 9/14

$327

Sat 10/39:33 am -

1 stop7h 25m

Wed 10/75:43 pm -

1 stop16h 34m

Deal found 9/18

$337

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 September 18, 2026.

Tue 10/2011:12 am -

2 stops24h 08m

Mon 10/266:55 pm -

1 stop15h 26m

Deal found 9/14

$226

Wed 10/2110:29 pm -

2 stops19h 01m

Mon 10/266:55 pm -

1 stop29h 08m

Deal found 9/17

$289

Sun 3/145:00 am -

1 stop12h 25m

Wed 3/176:00 am -

1 stop7h 50m

Deal found 9/17

$353

Fri 10/26:30 pm -

1 stop21h 06m

Tue 10/64:26 pm -

1 stop17h 31m

Deal found 9/16

$476

Fri 10/27:53 pm -

1 stop18h 52m

Tue 10/65:43 pm -

1 stop16h 34m

Deal found 9/16

$293

Mon 10/198:54 pm -

1 stop14h 26m

Sun 10/257:45 pm -

1 stop23h 50m

Deal found 9/17

$603

Tue 11/36:00 am -

1 stop9h 30m

Fri 11/64:25 pm -

1 stop6h 15m

Deal found 9/15

$368

Fri 11/1311:16 am -

1 stop6h 40m

Sun 11/156:33 pm -

2 stops29h 10m

Deal found 9/17

$382

Fri 10/27:53 pm -

1 stop18h 52m

Mon 10/55:43 pm -

1 stop16h 34m

Deal found 9/15

$348

Tue 10/69:55 am -

1 stop5h 50m

Tue 10/1312:50 pm -

1 stop3h 55m

Deal found 9/18

$371

Thu 10/156:03 pm -

2 stops23h 57m

Thu 10/226:25 pm -

2 stops28h 46m

Deal found 9/17

$395

Tue 9/299:30 am -

1 stop25h 50m

Thu 10/15:43 pm -

1 stop17h 57m

Deal found 9/14

$386

Thu 11/126:10 am -

1 stop6h 30m

Sat 11/143:00 pm -

1 stop5h 45m

Deal found 9/14

$387

Thu 10/111:12 am -

1 stop5h 46m

Fri 10/26:48 pm -

1 stop23h 45m

Deal found 9/18

$396

Tue 11/36:00 am -

1 stop9h 30m

Thu 11/51:35 pm -

2 stops9h 05m

Deal found 9/18

$388

Wed 10/214:59 pm -

2 stops24h 31m

Mon 10/266:55 pm -

2 stops21h 06m

Deal found 9/17

$406

Wed 10/216:00 am -

1 stop15h 37m

Mon 10/266:00 am -

1 stop15h 33m

Deal found 9/17

$548

Wed 12/307:25 am -

2 stops8h 55m

Fri 1/16:05 am -

2 stops8h 00m

Deal found 9/16

$389

Wed 11/411:16 am -

2 stops23h 01m

Sat 11/76:33 pm -

1 stop15h 48m

Deal found 9/14

$428

Fri 10/238:54 pm -

1 stop14h 26m

Wed 10/283:43 pm -

1 stop18h 47m

Deal found 9/17

$604

Wed 10/147:40 am -

1 stop13h 57m

Wed 10/216:00 am -

1 stop8h 59m

Deal found 9/16

$563

Thu 10/155:15 am -

1 stop12h 15m

Sun 10/186:25 pm -

1 stop17h 08m

Deal found 9/14

$426

Thu 10/16:00 am -

2 stops10h 48m

Sat 10/312:00 pm -

1 stop4h 27m

Deal found 9/14

$429

Fri 10/162:35 pm -

1 stop8h 40m

Sun 10/185:40 am -

2 stops7h 50m

Deal found 9/17

$407

Fri 10/98:54 pm -

1 stop14h 26m

Mon 10/129:33 pm -

1 stop11h 57m

Deal found 9/18

$604

Wed 10/148:00 am -

1 stop13h 37m

Wed 10/216:00 am -

1 stop6h 54m

Deal found 9/16

$563

Thu 10/229:06 pm -

2 stops20h 54m

Sun 10/256:25 pm -

2 stops22h 48m

Deal found 9/16

$431

Thu 10/17:19 pm -

1 stop19h 03m

Mon 10/55:43 pm -

1 stop15h 47m

Deal found 9/16

$443

Fri 10/25:55 am -

1 stop11h 03m

Tue 10/65:43 pm -

1 stop7h 18m

Deal found 9/14

$434

Thu 10/152:35 pm -

1 stop8h 40m

Sun 10/185:40 am -

2 stops8h 25m

Deal found 9/14

$438

Last-minute flights from Pennsylvania to Islip
Discover last-minute flight deals from Pennsylvania to Islip. Data last updated September 18, 2026 and is based on user searches.

Sat 9/2611:12 am -

1 stop5h 46m

Mon 9/285:43 pm -

1 stop16h 34m

Deal found 9/14

$327

Tue 9/2911:12 am -

1 stop5h 46m

Sat 10/35:43 pm -

1 stop16h 44m

Deal found 9/14

$320

Fri 10/27:53 pm -

1 stop18h 52m

Tue 10/65:43 pm -

1 stop16h 34m

Deal found 9/16

$293

Fri 10/211:12 am -

1 stop5h 46m

Sun 10/45:43 pm -

1 stop16h 34m

Deal found 9/15

$304

Fri 10/27:53 pm -

1 stop18h 52m

Mon 10/55:43 pm -

1 stop16h 34m

Deal found 9/15

$348

Fri 10/29:04 pm -

2 stops19h 54m

Tue 10/65:43 pm -

1 stop16h 34m

Deal found 9/16

$353

Sat 10/39:33 am -

1 stop7h 25m

Wed 10/75:43 pm -

1 stop16h 34m

Deal found 9/18

$337

Sat 10/39:33 am -

1 stop7h 25m

Mon 10/53:02 pm -

2 stops19h 15m

Deal found 9/16

$366

Tue 10/611:12 am -

2 stops24h 08m

Tue 10/131:38 pm -

2 stops20h 39m

Deal found 9/15

$308

Tue 10/69:55 am -

1 stop5h 50m

Tue 10/1312:50 pm -

1 stop3h 55m

Deal found 9/18

$371

Tue 10/2011:12 am -

2 stops24h 08m

Mon 10/266:55 pm -

1 stop15h 26m

Deal found 9/14

$226

Wed 10/2110:29 pm -

2 stops19h 01m

Mon 10/266:55 pm -

1 stop29h 08m

Deal found 9/17

$289

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 September 18, 2026.

Wed 10/711:12 am -

1 stop5h 46m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/17

$94

Mon 10/511:12 am -

2 stops25h 46m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/18

$117

Sat 10/1011:12 am -

1 stop6h 18m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/18

$118

Mon 10/511:12 am -

1 stop29h 46m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/18

$126

Wed 10/286:00 am -

2 stops9h 30m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/16

$129

Mon 11/166:36 pm -

3 stops18h 22m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/15

$138

Thu 10/1511:12 am -

1 stop6h 18m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/14

$139

Mon 10/56:36 pm -

3 stops18h 22m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/18

$141

Tue 11/249:35 pm -

1 stop18h 10m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/16

$145

Wed 10/289:06 pm -

2 stops20h 25m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/16

$150

Wed 10/76:00 am -

1 stop7h 10m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/17

$154

Mon 11/1611:16 am -

1 stop6h 40m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/15

$173

Find flight deals from Pennsylvania to Islip

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$226 (Kiwi.com)
One-way from	$94 (Expedia)
Popular in	February
Cheapest in	March
Average price	$262

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. 0% potential increase in price ($2 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 15% potential price decrease ($54 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

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

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

Mon 10/5

11:12 am-12:58 pm

2 stops25h 46m

Islip Long Island

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$117

Washington, D.C.Islip

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

IADISP

Washington, D.C. Dulles Intl

Mon 11/16

11:16 am-12:58 pm

2 stops25h 42m

Islip Long Island

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$117

Washington, D.C.Islip

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

IADISP

Washington, D.C. Dulles Intl

Mon 10/5

11:12 am-4:58 pm

1 stop29h 46m

Islip Long Island

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$126

Washington, D.C.Islip

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

IADISP

Washington, D.C. Dulles Intl

Thu 10/15

11:12 am-5:30 pm

1 stop6h 18m

Islip Long Island

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$139

Washington, D.C.Islip

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

IADISP

Washington, D.C. Dulles Intl

Mon 10/5

6:36 pm-12:58 pm

3 stops18h 22m

Islip Long Island

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$141

Washington, D.C.Islip

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

IADISP

Washington, D.C. Dulles Intl

Tue 11/24

9:35 pm-3:45 pm

1 stop18h 10m

Islip Long Island

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$145

Washington, D.C.Islip

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

IADISP

Washington, D.C. Dulles Intl

Wed 10/28

9:06 pm-5:31 pm

2 stops20h 25m

Islip Long Island

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$150

Washington, D.C.Islip

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

DCAISP

Washington, D.C. Reagan-National

Wed 10/7

6:00 am-1:10 pm

1 stop7h 10m

Islip Long Island

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$154

Washington, D.C.Islip

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

DCAISP

Washington, D.C. Reagan-National

Wed 10/28

6:00 am-1:10 pm

1 stop7h 10m

Islip Long Island

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$189

Washington, D.C.Islip

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

DCAISP

Washington, D.C. Reagan-National

Sat 10/10

6:00 am-11:40 am

1 stop5h 40m

Islip Long Island

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/18

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

EWR-ISP

DCA-ISP

PIT-ISP

PHL-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

EWR-ISP

DCA-ISP

PIT-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 9h 30m. Your travel time can differ by up to 9h 31m. 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 Philadelphia - 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$413	FlexibilityNo cancel fee	On-time63%

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$94+ Cheap flights from Pennsylvania to Islip, NY (ISP)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/7. 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 September 18, 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 September 18, 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 September 18, 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 September 18, 2026.

Last-minute flights from Pennsylvania to IslipDiscover last-minute flight deals from Pennsylvania to Islip. Data last updated September 18, 2026 and is based on user searches.

Discover last-minute flight deals from Pennsylvania to Islip. Data last updated September 18, 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 September 18, 2026.

Search for one-way flight options from Pennsylvania to Islip. Find affordable one-way fares based on user searches. Data last updated September 18, 2026.

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

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.

Cheapflights Insights

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 September 18, 2026.

Pennsylvania and Islip flights

Browse other Pennsylvania and Islip flight options. Last updated on September 18, 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 September 18, 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 September 18, 2026.

Last-minute flights from Pennsylvania to Islip
Discover last-minute flight deals from Pennsylvania to Islip. Data last updated September 18, 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 September 18, 2026.