$218+ Cheap flights from Islip, NY (ISP) to Pennsylvania
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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — PHL
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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Find cheap flights from Islip to Pennsylvania with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Islip to PennsylvaniaExplore the most affordable flight options available from Islip to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
Explore the most affordable flight options available from Islip to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
This Southwest deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/196:00 pm -
1 stop7h 20m
Mon 12/219:20 pm -
1 stop11h 25m
Deal found 10/30![Southwest logo]()
$222
This Southwest deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/196:00 pm -
1 stop7h 20m
Sun 12/205:45 pm -
1 stop6h 05m
Deal found 10/30![Southwest logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/112:00 pm -
1 stop11h 28m
Sat 12/54:16 pm -
1 stop18h 01m
Deal found 10/29![Multiple Airlines logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:57 am -
1 stop5h 27m
Mon 11/167:42 am -
1 stop27h 38m
Deal found 10/28![Multiple Airlines logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:45 pm -
1 stop23h 50m
Mon 11/168:54 pm -
1 stop14h 26m
Deal found 10/28![Breeze Airways logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:57 am -
2 stops32h 10m
Mon 11/168:54 pm -
1 stop14h 26m
Deal found 10/28![Multiple Airlines logo]()
$384
This Southwest deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/94:25 pm -
1 stop8h 05m
Fri 11/135:50 pm -
1 stop5h 45m
Deal found 10/25![Southwest logo]()
$391
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1012:00 pm -
1 stop25h 29m
Sat 11/147:25 pm -
1 stop14h 52m
Deal found 10/26![Multiple Airlines logo]()
$402
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/133:02 pm -
1 stop8h 22m
Tue 11/179:30 am -
1 stop25h 50m
Deal found 10/29![Multiple Airlines logo]()
$403
This Southwest deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:05 pm -
1 stop6h 15m
Fri 11/207:00 am -
2 stops8h 35m
Deal found 10/28![Southwest logo]()
$414
This Southwest deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1212:25 pm -
2 stops9h 30m
Fri 11/135:00 am -
2 stops10h 35m
Deal found 10/28![Southwest logo]()
$429
This Southwest deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/286:00 pm -
1 stop6h 20m
Sat 12/55:45 am -
2 stops9h 10m
Deal found 10/29![Southwest logo]()
$539
Best flights from Islip to PennsylvaniaDiscover carefully curated flight deals from Islip to Pennsylvania that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from Islip to Pennsylvania that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This Southwest deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/196:00 pm -
1 stop7h 20m
Mon 12/214:10 pm -
2 stops7h 40m
Deal found 10/30![Southwest logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/112:00 pm -
1 stop11h 28m
Sat 12/54:16 pm -
1 stop18h 01m
Deal found 10/29![Multiple Airlines logo]()
$263
This Southwest deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/196:00 pm -
1 stop7h 20m
Sun 12/205:45 pm -
1 stop6h 05m
Deal found 10/30![Southwest logo]()
$236
This Southwest deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/225:45 am -
2 stops7h 15m
Sun 1/246:00 am -
1 stop5h 50m
Deal found 10/28![Southwest logo]()
$257
This JetBlue deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:00 am -
1 stop10h 27m
Mon 12/145:20 pm -
1 stop28h 44m
Deal found 10/28![JetBlue logo]()
$621
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:57 am -
1 stop5h 27m
Mon 11/165:14 pm -
2 stops18h 06m
Deal found 10/28![Multiple Airlines logo]()
$399
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1012:00 pm -
1 stop25h 29m
Sat 11/147:25 pm -
1 stop14h 52m
Deal found 10/26![Multiple Airlines logo]()
$402
This Southwest deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:40 pm -
1 stop6h 15m
Fri 11/135:50 pm -
1 stop5h 45m
Deal found 10/28![Southwest logo]()
$391
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/133:02 pm -
1 stop8h 22m
Tue 11/179:30 am -
1 stop25h 50m
Deal found 10/29![Multiple Airlines logo]()
$403
This Southwest deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/91:35 pm -
2 stops8h 20m
Fri 11/135:50 pm -
1 stop5h 45m
Deal found 10/25![Southwest logo]()
$396
This Southwest deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:05 pm -
1 stop6h 15m
Fri 11/207:00 am -
2 stops8h 35m
Deal found 10/28![Southwest logo]()
$414
This Southwest deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/59:20 am -
1 stop8h 25m
Sun 3/711:15 am -
1 stop7h 15m
Deal found 10/27![Southwest logo]()
$517
This Southwest deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/286:00 pm -
1 stop6h 20m
Sat 12/55:45 am -
2 stops9h 10m
Deal found 10/29![Southwest logo]()
$539
Last-minute flights from Islip to PennsylvaniaDiscover last-minute flight deals from Islip to Pennsylvania. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Islip to Pennsylvania. Data last updated October 30, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/73:43 pm -
1 stop18h 47m
Sun 11/87:13 pm -
1 stop13h 46m
Deal found 10/25![Breeze Airways logo]()
$523
This Southwest deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/94:25 pm -
1 stop8h 05m
Fri 11/135:50 pm -
1 stop5h 45m
Deal found 10/25![Southwest logo]()
$391
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1012:00 pm -
1 stop25h 29m
Sat 11/147:25 pm -
1 stop14h 52m
Deal found 10/26![Multiple Airlines logo]()
$402
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:57 am -
1 stop5h 27m
Mon 11/167:42 am -
1 stop27h 38m
Deal found 10/28![Multiple Airlines logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:45 pm -
1 stop23h 50m
Mon 11/168:54 pm -
1 stop14h 26m
Deal found 10/28![Breeze Airways logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:57 am -
2 stops32h 10m
Mon 11/168:54 pm -
1 stop14h 26m
Deal found 10/28![Multiple Airlines logo]()
$384
This Southwest deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1212:25 pm -
2 stops9h 30m
Fri 11/135:00 am -
2 stops10h 35m
Deal found 10/28![Southwest logo]()
$429
This Southwest deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/121:35 pm -
2 stops8h 20m
Mon 11/1612:30 pm -
2 stops9h 15m
Deal found 10/28![Southwest logo]()
$449
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/133:02 pm -
1 stop8h 22m
Tue 11/179:30 am -
1 stop25h 50m
Deal found 10/29![Multiple Airlines logo]()
$403
This Southwest deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:05 pm -
1 stop6h 15m
Fri 11/207:00 am -
2 stops8h 35m
Deal found 10/28![Southwest logo]()
$414
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/244:40 pm -
1 stop25h 24m
Tue 12/110:15 am -
1 stop28h 30m
Deal found 10/26![Multiple Airlines logo]()
$439
This Southwest deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:05 am -
2 stops7h 30m
Tue 12/11:25 pm -
2 stops8h 20m
Deal found 10/26![Southwest logo]()
$519
One-way flights from Islip to PennsylvaniaSearch for one-way flight options from Islip to Pennsylvania. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
Search for one-way flight options from Islip to Pennsylvania. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/510:57 am -
1 stop5h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Multiple Airlines logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/211:13 am -
3 stops25h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Breeze Airways logo]()
$337
This KAYAK deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/116:00 am -
1 stop10h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![JetBlue logo]()
$347
This KAYAK deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/93:02 pm -
1 stop5h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Breeze Airways logo]()
$374
This Southwest deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/212:25 pm -
2 stops8h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Southwest logo]()
$397
This KAYAK deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:00 am -
1 stop6h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![JetBlue logo]()
$10,768
Find flight deals from Islip to Pennsylvania
Keep the following information in mind while searching for Islip to Pennsylvania flight deals. Data was last updated October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $222 (Southwest) |
One-way from | $218 (Kiwi.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from Islip to Pennsylvania that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 30, 2026.
Use the filters below to find and compare flights from Islip to Pennsylvania that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
IslipPittsburgh
ISP Islip Long Island - PIT Pittsburgh
ISPPIT
Islip Long Island
Sat 12/19
6:00 pm-1:20 am
1 stop7h 20m
Pittsburgh
Mon 12/21
4:10 pm-11:50 pm
2 stops7h 40m
$222
IslipPittsburgh
ISP Islip Long Island - PIT Pittsburgh
ISPPIT
Islip Long Island
Sat 12/19
6:00 pm-1:20 am
1 stop7h 20m
Pittsburgh
Sun 12/20
5:45 pm-11:50 pm
1 stop6h 05m
$236
IslipPittsburgh
ISP Islip Long Island - PIT Pittsburgh
ISPPIT
Islip Long Island
Fri 1/22
5:45 am-1:00 pm
2 stops7h 15m
Pittsburgh
Sun 1/24
6:00 am-11:50 am
1 stop5h 50m
$257
IslipPhiladelphia
ISP Islip Long Island - PHL Philadelphia
ISPPHL
Islip Long Island
Tue 12/1
12:00 pm-11:28 pm
1 stop11h 28m
Philadelphia
Sat 12/5
4:16 pm-10:17 am
1 stop18h 01m
$263
IslipPhiladelphia
ISP Islip Long Island - PHL Philadelphia
ISPPHL
Islip Long Island
Thu 11/5
10:57 am-6:02 pm
3 stops31h 05m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$284
IslipPhiladelphia
ISP Islip Long Island - PHL Philadelphia
ISPPHL
Islip Long Island
Fri 12/11
6:00 am-4:27 pm
1 stop10h 27m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$347
IslipPittsburgh
ISP Islip Long Island - PIT Pittsburgh
ISPPIT
Islip Long Island
Thu 11/12
5:40 pm-11:55 pm
1 stop6h 15m
Pittsburgh
Fri 11/13
5:50 pm-11:35 pm
1 stop5h 45m
$391
IslipPittsburgh
ISP Islip Long Island - PIT Pittsburgh
ISPPIT
Islip Long Island
Mon 11/9
1:35 pm-9:55 pm
2 stops8h 20m
Pittsburgh
Fri 11/13
5:50 pm-11:35 pm
1 stop5h 45m
$396
IslipPittsburgh
ISP Islip Long Island - PIT Pittsburgh
ISPPIT
Islip Long Island
Mon 11/2
12:25 pm-9:15 pm
2 stops8h 50m
Pittsburgh
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$397
IslipPhiladelphia
ISP Islip Long Island - PHL Philadelphia
ISPPHL
Islip Long Island
Thu 11/12
10:57 am-4:24 pm
1 stop5h 27m
Philadelphia
Mon 11/16
5:14 pm-11:20 am
2 stops18h 06m
$399
Showing 1-10 of 18 resultsSorted by cheapest first
Best time to book a flight from Islip to Pennsylvania
Have a flexible travel schedule? Discover the best time to fly to Pennsylvania from Islip with our price prediction graph.
ISP-PHL
ISP-PIT
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 Islip to Pennsylvania
ISP-USPA
ISP-PHL
ISP-PIT
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Pennsylvania
Get insights into the airlines that provide service to Pennsylvania. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Pennsylvania. Reviews last updated October 30, 2026.
Get a feel of what it's like to fly with Southwest from Islip to Pennsylvania by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Boarding
8.1
Crew
8.6
Comfort
8.0
Entertainment
7.4
Food
7.0
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Overall
7.9
Boarding
8.1
Crew
8.6
Comfort
8.0
Entertainment
7.4
Food
7.0
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Related info for your journey
Find useful and relevant information for your journey from Islip to Pennsylvania. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Islip and Pennsylvania flights
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Islip to Pennsylvania flights
Consider these flights traveling from Islip to Pennsylvania.
Top airline flying from Islip to Pennsylvania
Discover the top airline that operate flights from Islip to Pennsylvania. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$240 | Average$325 | FlexibilityNo cancel fee | On-time63% |