PHL - ISP

$180 Find Cheap Flights from Philadelphia to Islip

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Philadelphia to Islip departing on 12/4. 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
$180
Frontier
Thu 12/4Mon 12/8
PHL - ISP • 1 stop
Cheapest one-way
$240
Multiple Airlines
Sat 4/11
PHL - ISP • 1 stop
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We hope you love your trip to Islip!
Flight Deals
Booking Insights
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

Thu, Dec 4 - Mon, Dec 8
Frontier Logo
10:00 pm - 7:34 pmPHL-ISP
21h 34m1 stop
Frontier Logo
10:19 am - 12:51 amISP-PHL
14h 32m2 stops
$180Frontier
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Thu, Dec 4 - Mon, Dec 8
Multiple Airlines Logo
10:00 pm - 7:34 pmPHL-ISP
21h 34m1 stop
Multiple Airlines Logo
10:19 am - 11:34 pmISP-PHL
13h 15m1 stop
$194Multiple Airlines
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Fri, Dec 12 - Tue, Dec 16
Multiple Airlines Logo
5:16 pm - 11:59 pmPHL-ISP
6h 43m1 stop
Multiple Airlines Logo
8:29 pm - 2:58 pmISP-PHL
18h 29m2 stops
$214Multiple Airlines
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Fri, Dec 12 - Tue, Dec 16
Frontier Logo
5:16 pm - 11:59 pmPHL-ISP
6h 43m1 stop
Frontier Logo
8:29 pm - 12:49 pmISP-PHL
16h 20m1 stop
$218Frontier
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Booking Insights

KAYAK's insights & trends for Philadelphia to Islip flights

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

What is the most popular layover airport when flying from Philadelphia to Islip?

Percentage of 1-stop round-trip flights from Philadelphia to Islip chosen by KAYAK users via each layover airport in the last 12 months (only includes trips with the same layover airport on both legs).

Myrtle Beach (MYR) is the top choice – 50% of KAYAK users who clicked on 1-stop flights from Philadelphia to Islip picked an itinerary connecting there.

What is the cheapest layover airport when flying from Philadelphia to Islip?

Average round-trip price for 1-stop flights from Philadelphia to Islip clicked by KAYAK users in the last 12 months (only includes trips with the same layover airport on both legs).

Flights via Myrtle Beach (MYR) offer the most affordable fares, with an average round-trip price of $290.

Which layover airport offers the shortest total travel time from Philadelphia to Islip?

Shortest average total travel time for 1-stop one-way flights from Philadelphia to Islip via different layover airports, based on KAYAK user data from the last 12 months.

Consider flying via Boston (BOS) for the shortest journey. The average one-way travel time for flights connecting there is 3h 58m.

Which layover airport has the quickest connection when flying from Philadelphia to Islip?

Average layover duration at different layover airports for 1-stop one-way flights from Philadelphia to Islip, based on KAYAK user data from the last 12 months.

If you prefer a quick connection, Boston (BOS) often has the shortest layovers from Philadelphia to Islip, with an average of 1h 16m.

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Good to know

Cheapest flight$180
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 $240 for a one-way ticket and $180 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)