$98 Find Cheap Flights from Islip to Pennsylvania

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Islip to Pennsylvania departing on 5/24. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult

KAYAK searches hundreds of travel sites at once for deals on flights to Pennsylvania

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Islip to Pennsylvania, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Islip to Pennsylvania, as well as popular online travel agencies
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Flights Deals

Best Pennsylvania Flight Deals from Islip

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours

Philadelphia
Philadelphia2 stops$576
Pittsburgh
Pittsburgh1 stop$157
Philadelphia
Philadelphia2 stops$576
Pittsburgh
Pittsburgh1 stop$157

Cheap Flights from Islip to Pennsylvania

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Islip to Pennsylvania that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from Islip to Pennsylvania

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Islip to Pennsylvania.
Discover the best prices for you by selecting your travel dates on KAYAK.
Southwest Logo
6:10 am - 12:15 pmISP-PIT
6h 05m1 stop
Southwest Logo
6:00 am - 9:10 amPIT-ISP
3h 10m1 stop
$157Southwest
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Wed, May 28 - Wed, Jun 4
Southwest Logo
1:00 pm - 5:50 pmISP-PIT
4h 50m1 stop
Southwest Logo
1:20 pm - 10:50 pmPIT-ISP
9h 30m2 stops
$162Southwest
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Wed, May 28 - Wed, Jun 4
Frontier Logo
8:26 pm - 6:00 pmISP-PIT
21h 34m1 stop
Frontier Logo
6:50 pm - 7:41 pmPIT-ISP
24h 51m1 stop
$251Frontier
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Thu, Jun 5 - Sun, Jun 8
Frontier Logo
8:21 pm - 9:05 amISP-PIT
12h 44m1 stop
Frontier Logo
6:50 pm - 7:36 pmPIT-ISP
24h 46m1 stop
$332Frontier
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Sat, Jun 28 - Mon, Jun 30
JetBlue Logo
12:59 pm - 8:49 pmISP-DCA
7h 50m1 stop
JetBlue Logo
7:00 am - 4:50 pmDCA-ISP
9h 50m1 stop
$344JetBlue
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Sat, May 31 - Sun, Jun 1
JetBlue Logo
12:59 pm - 8:49 pmISP-DCA
7h 50m1 stop
JetBlue Logo
7:00 am - 4:50 pmDCA-ISP
9h 50m1 stop
$362JetBlue
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Mon, Jun 2 - Mon, Jun 9
Logo
1:55 pm - 8:44 amISP-PIT
18h 49m2 stops
Logo
6:50 pm - 7:34 pmPIT-ISP
24h 44m1 stop
$446
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Tue, May 13 - Fri, Jul 11
Logo
2:25 pm - 10:20 pmISP-PIT
31h 55m3 stops
Logo
7:00 am - 8:42 amPIT-ISP
25h 42m2 stops
$475
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Wed, May 28 - Wed, Jun 4
Breeze Airways Logo
1:55 pm - 8:44 amISP-PIT
18h 49m2 stops
Breeze Airways Logo
9:08 pm - 9:56 amPIT-ISP
12h 48m1 stop
$489Breeze Airways
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Tue, May 13 - Thu, Jul 10
Breeze Airways Logo
1:55 pm - 8:44 amISP-PIT
18h 49m2 stops
Breeze Airways Logo
8:50 pm - 10:04 amPIT-ISP
13h 14m2 stops
$579Breeze Airways
Find Deal
Tue, May 13 - Thu, Jul 10
Useful Info

KAYAK's insights & trends for Islip to Pennsylvania flights

Get data-powered insights and trends into flights from Islip to Pennsylvania to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Islip to Pennsylvania?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Islip to Pennsylvania were found on Southwest ($157) and Frontier ($251).

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Good to know

Cheapest flight$98
Flight from Islip to Pittsburgh

FAQs - booking Pennsylvania flights

  • How does KAYAK find such low prices on flights from Islip to Pennsylvania?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Islip to Pennsylvania.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Islip to Pennsylvania?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Islip to Pennsylvania is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Islip to Pennsylvania?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Islip to Pennsylvania with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Islip to Pennsylvania?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Islip to Pennsylvania up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top airline flying from Islip to Pennsylvania

 
See real verified KAYAK customer reviews for airlines flying from Islip to Pennsylvania. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Islip to Pennsylvania? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4294 reviews
7.1Food
8.2Boarding
8.6Crew
7.6Entertainment
8.0Comfort
Airline reviews

It is southwest seat was ok. Not the most comfortable seat

8.0 ExcellentJohn, Apr 2025PVD - FLL
Read more Southwest reviews

It is southwest seat was ok. Not the most comfortable seat

I’ve always loved Southwest. No issues at all. I was flying standby and the gate agent was extremely friendly and helpful. Boarding was smooth and I was able to get a window seat in the emergency exit row. Crew was fantastic! They were very professional and accommodating. We had to divert from our destination due to weather but the flight crew kept everyone at ease and informed us of all pertinent information. Excellent flight

The price of the tickets isn't matching the flight experience. No matter how long the flight is, you're only getting pretzels. The flight attendants looked unkept and over it.

Plz don't take away free bags and free seating

The seats were a bit cramped and worn, but otherwise okay.

I would have liked to arrive on time - not 5 hours late!

After a 3 hour layover in Denver my flight was delayed over 5 hours! No explanation; no assistance; no offer to provide compensation; no one at Southwest was willing to offer any assistance. 8 hours in the Denver airport - ridiculous!

It was a perfect flight in all aspects! Both legs!

Only one drink pass through the cabin for a 4 hour flight. Quite rough and bumpy landing.

Boarding process, crew were good. But the seats were so uncomfortable that was all I could focus on. I literally had to sit forward so that all 3 of us could fit in row. I will try to avoid Southwest in the future for any flights over 60 minutes.

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

Information on your arrival and departure airports

Islip (ISP)

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