$162 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 7/13. 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
1 adult, Economy, 0 bags

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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Cheap Flights from Islip to Pennsylvania

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Philadelphia
Philadelphia1 stop$290
Pittsburgh
Pittsburgh1 stop$249
Washington, D.C.
Baltimorenonstop$263
Philadelphia
Philadelphia1 stop$290
Pittsburgh
Pittsburgh1 stop$249
Washington, D.C.
Baltimorenonstop$263

Book Cheap Islip to Pennsylvania Plane Tickets

 
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.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Islip to Pennsylvania

Fri, Apr 10 - Mon, Apr 13
Southwest Logo
4:30 pm - 8:00 pm
ISP
-
PIT
3h 30m
1 stop
Southwest Logo
5:00 pm - 11:30 pm
PIT
-
ISP
6h 30m
1 stop
$249Southwest
Mon, May 4 - Thu, May 7
Southwest Logo
4:30 pm - 8:00 pm
ISP
-
PIT
3h 30m
1 stop
Southwest Logo
2:45 pm - 11:30 pm
PIT
-
ISP
8h 45m
2 stops
$265Southwest
Mon, May 4 - Thu, May 7
Southwest Logo
4:30 pm - 8:00 pm
ISP
-
PIT
3h 30m
1 stop
Southwest Logo
5:45 am - 11:50 am
PIT
-
ISP
6h 05m
1 stop
$267Southwest
Tue, Apr 21 - Thu, Apr 23
Southwest Logo
12:30 pm - 5:20 pm
ISP
-
PIT
4h 50m
1 stop
Southwest Logo
5:45 am - 11:50 am
PIT
-
ISP
6h 05m
1 stop
$272Southwest
Thu, Apr 16 - Thu, Apr 23
Multiple Airlines Logo
4:07 pm - 7:41 am
ISP
-
PHL
15h 34m
1 stop
Multiple Airlines Logo
6:12 pm - 11:10 am
PHL
-
ISP
40h 58m
2 stops
$290Multiple Airlines
Thu, Apr 16 - Thu, Apr 23
Frontier Logo
4:07 pm - 7:41 am
ISP
-
PHL
15h 34m
1 stop
Frontier Logo
10:38 pm - 9:13 am
PHL
-
ISP
10h 35m
1 stop
$324Frontier
Wed, Apr 15 - Sun, Apr 19
Multiple Airlines Logo
11:50 am - 11:41 am
ISP
-
PHL
23h 51m
2 stops
Multiple Airlines Logo
10:38 pm - 9:13 am
PHL
-
ISP
10h 35m
1 stop
$325Multiple Airlines
Thu, Apr 16 - Sun, Apr 19
Frontier Logo
4:07 pm - 7:41 am
ISP
-
PHL
15h 34m
1 stop
Frontier Logo
10:38 pm - 9:13 am
PHL
-
ISP
10h 35m
1 stop
$333Frontier
Fri, May 1 - Sat, May 2
JetBlue Logo
9:04 pm - 9:30 am
ISP
-
LGA
12h 26m
1 stop
JetBlue Logo
11:45 am - 7:39 pm
LGA
-
ISP
7h 54m
1 stop
$430JetBlue
Fri, Jun 12 - Mon, Jun 15
JetBlue Logo
12:25 pm - 7:30 pm
ISP
-
DCA
7h 05m
1 stop
JetBlue Logo
6:00 am - 11:35 am
DCA
-
ISP
5h 35m
1 stop
$433JetBlue
Booking Insights

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 ($249) and JetBlue ($430).

Find deals

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.

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

Information on your arrival and departure airports

Islip (ISP)