PHL - ISP

$146 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 6/8. 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 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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Everything you should know

Cheapest round-trip
$215
Frontier
Tue 5/19Tue 5/26
PHL - ISP • 1 stop
Cheapest one-way
$146
Multiple Airlines
Mon 6/8
PHL - ISP • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Philadelphia and Islip. You'll need at least 1 connection.
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We hope you love your trip to Islip!
Flight Deals
Useful Info
Flight 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, May 19 - Tue, May 26
Frontier Logo
6:10 pm - 10:05 am
PHL
-
ISP
15h 55m
1 stop
Frontier Logo
6:02 pm - 8:59 am
ISP
-
PHL
14h 57m
1 stop
$215Frontier
Mon, May 4 - Fri, May 8
Multiple Airlines Logo
10:38 pm - 11:00 am
PHL
-
ISP
12h 22m
1 stop
Multiple Airlines Logo
6:59 pm - 3:02 pm
ISP
-
PHL
20h 03m
2 stops
$236Multiple Airlines
Tue, May 19 - Tue, May 26
Frontier Logo
6:10 pm - 10:05 am
PHL
-
ISP
15h 55m
1 stop
Frontier Logo
6:02 pm - 2:49 pm
ISP
-
PHL
20h 47m
2 stops
$248Frontier
Mon, May 4 - Fri, May 8
Frontier Logo
10:38 pm - 11:00 am
PHL
-
ISP
12h 22m
1 stop
Frontier Logo
11:00 am - 11:29 pm
ISP
-
PHL
12h 29m
1 stop
$251Frontier
Sun, May 3 - Sat, May 16
Multiple Airlines Logo
10:38 pm - 9:13 am
PHL
-
ISP
10h 35m
1 stop
Multiple Airlines Logo
11:57 am - 12:44 am
ISP
-
PHL
36h 47m
2 stops
$317Multiple Airlines
Sun, Aug 9 - Sat, Aug 22
Multiple Airlines Logo
9:16 pm - 10:03 am
PHL
-
ISP
12h 47m
1 stop
Multiple Airlines Logo
11:57 am - 6:41 pm
ISP
-
PHL
6h 44m
1 stop
$319Multiple Airlines
Tue, May 12 - Wed, May 13
Multiple Airlines Logo
9:20 am - 4:47 pm
PHL
-
ISP
7h 27m
1 stop
Multiple Airlines Logo
11:57 am - 8:54 am
ISP
-
PHL
20h 57m
2 stops
$326Multiple Airlines
Sun, Aug 9 - Sat, Aug 22
Multiple Airlines Logo
9:16 pm - 10:03 am
PHL
-
ISP
12h 47m
1 stop
Multiple Airlines Logo
11:57 am - 1:16 am
ISP
-
PHL
13h 19m
2 stops
$346Multiple Airlines
Sun, May 3 - Sat, May 16
Multiple Airlines Logo
10:38 pm - 9:13 am
PHL
-
ISP
10h 35m
1 stop
Multiple Airlines Logo
6:09 pm - 8:00 pm
ISP
-
PHL
25h 51m
1 stop
$348Multiple Airlines
Thu, May 7 - Mon, May 11
Multiple Airlines Logo
2:33 pm - 1:28 pm
PHL
-
ISP
22h 55m
1 stop
Multiple Airlines Logo
2:28 pm - 5:46 pm
ISP
-
PHL
27h 18m
2 stops
$363Multiple Airlines
Useful Info

Good to know

Cheapest flight$146
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 $195 for a one-way ticket and $215 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

Philadelphia (PHL)
Islip (ISP)