PHL - ISP

$122 Find Cheap Flights from Philadelphia to Islip

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Philadelphia to Islip departing on 7/15. 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

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

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

Cheap Flights from Philadelphia to Islip (PHL-ISP)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Philadelphia to Islip 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 Philadelphia to Islip

Tue, Jul 22 - Tue, Jul 29
Frontier Logo
3:18 pm - 9:58 pmPHL-ISP
6h 40m1 stop
Frontier Logo
8:00 am - 2:18 pmISP-PHL
6h 18m1 stop
$256Frontier
Find Deal
Mon, Aug 11 - Thu, Aug 14
Frontier Logo
5:25 am - 1:04 pmPHL-ISP
7h 39m1 stop
Frontier Logo
2:05 pm - 12:44 amISP-PHL
10h 39m1 stop
$266Frontier
Find Deal
Thu, Jul 17 - Mon, Jul 21
Frontier Logo
5:25 am - 1:04 pmPHL-ISP
7h 39m1 stop
Frontier Logo
2:05 pm - 10:40 pmISP-PHL
8h 35m1 stop
$271Frontier
Find Deal
Fri, Aug 1 - Sun, Aug 3
Frontier Logo
5:25 am - 1:04 pmPHL-ISP
7h 39m1 stop
Frontier Logo
2:05 pm - 12:44 amISP-PHL
10h 39m1 stop
$276Frontier
Find Deal
Wed, Jul 16 - Sun, Jul 20
Frontier Logo
9:30 am - 7:52 pmPHL-ISP
10h 22m1 stop
Frontier Logo
6:00 am - 12:18 pmISP-PHL
6h 18m1 stop
$312Frontier
Find Deal
Fri, Jul 25 - Sun, Jul 27
Frontier Logo
5:25 am - 1:04 pmPHL-ISP
7h 39m1 stop
Frontier Logo
6:00 am - 12:18 pmISP-PHL
6h 18m1 stop
$422Frontier
Find Deal
Thu, Jul 17 - Mon, Jul 21
 Logo
5:21 pm - 3:19 pmPHL-ISP
21h 58m2 stops
 Logo
10:44 am - 11:30 pmISP-PHL
12h 46m3 stops
Thu, Jul 17 - Mon, Jul 21
 Logo
5:21 pm - 3:19 pmPHL-ISP
21h 58m2 stops
 Logo
2:19 pm - 8:04 amISP-PHL
17h 45m2 stops
Thu, Jul 31 - Thu, Aug 7
 Logo
7:05 pm - 3:19 pmPHL-ISP
20h 14m2 stops
 Logo
7:39 pm - 11:21 pmISP-PHL
27h 42m3 stops
Thu, Jul 31 - Thu, Aug 7
 Logo
6:00 am - 10:04 amPHL-ISP
28h 04m3 stops
 Logo
7:39 pm - 11:21 pmISP-PHL
27h 42m3 stops
Useful Info

Good to know

Cheapest flight$122
Flight from Philadelphia to Islip

When to book flights from Philadelphia to Islip

Are your dates flexible? Find out the best times to travel from Philadelphia to Islip based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Philadelphia to Islip

  • What is the cheapest flight from Philadelphia to Islip?

    In the last 3 days, the lowest price for a flight from Philadelphia to Islip was $122 for a one-way ticket and $256 for a round-trip.

  • Do I need a passport to fly between Philadelphia and Islip?

    A passport is not required to fly from Philadelphia to Islip.

  • Which airports will I be using when flying from Philadelphia to Islip?

    When flying out of Philadelphia you will be using Philadelphia. You will be landing at Islip, also known as Islip Long Island.

  • Which aircraft models fly most regularly from Philadelphia to Islip?

    We unfortunately don’t have that data for this specific route.

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

    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 Philadelphia to Islip.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Islip from Philadelphia 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 Philadelphia to Islip?

    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 to Islip with an airline and back to Philadelphia with another airline. Booking your flights between Philadelphia and ISP can sometimes prove cheaper using this method.

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

    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 to Islip from Philadelphia 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 Philadelphia to Islip

Information on your arrival and departure airports

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