ISP - PHL

$165 Find Cheap Flights from Islip to Philadelphia

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 Philadelphia departing on 4/11. 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 Philadelphia

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Islip to Philadelphia, 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 Philadelphia, as well as popular online travel agencies
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41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$290
Frontier
Thu 4/16Thu 4/23
ISP - PHL • 1 stop
Cheapest one-way
$165
Multiple Airlines
Sat 4/11
ISP - PHL • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Islip and Philadelphia. You'll need at least 1 connection.
Insights
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Insights
Top layover airports
Myrtle Beach (MYR)
Cheapest • Avg $320 (round-trip)
Boston (BOS)
Shortest trip • 3h 38m (one-way)
Insights
Insights
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Insights
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Philadelphia!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Islip to Philadelphia (ISP-PHL)

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

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
Thu, Apr 16 - Sun, Apr 19
Multiple Airlines Logo
4:07 pm - 7:41 am
ISP
-
PHL
15h 34m
1 stop
Multiple Airlines Logo
5:32 pm - 1:31 pm
PHL
-
ISP
19h 59m
2 stops
$339Multiple Airlines
Wed, Apr 15 - Sun, Apr 19
Multiple Airlines Logo
11:50 am - 5:17 pm
ISP
-
PHL
5h 27m
1 stop
Multiple Airlines Logo
10:38 pm - 9:13 am
PHL
-
ISP
10h 35m
1 stop
$357Multiple Airlines
Sun, Mar 29 - Thu, Apr 2
Multiple Airlines Logo
7:26 pm - 8:39 am
ISP
-
PHL
37h 13m
2 stops
Multiple Airlines Logo
10:56 pm - 10:56 am
PHL
-
ISP
12h 00m
1 stop
$400Multiple Airlines
Fri, Mar 27 - Tue, Mar 31
Multiple Airlines Logo
8:45 pm - 7:57 pm
ISP
-
PHL
23h 12m
2 stops
Multiple Airlines Logo
8:53 pm - 7:59 pm
PHL
-
ISP
23h 06m
1 stop
$447Multiple Airlines
Fri, Mar 27 - Tue, Mar 31
Multiple Airlines Logo
2:31 pm - 4:52 pm
ISP
-
PHL
26h 21m
1 stop
Multiple Airlines Logo
8:53 pm - 7:59 pm
PHL
-
ISP
23h 06m
1 stop
$472Multiple Airlines
Sun, Mar 29 - Thu, Apr 2
Frontier Logo
5:08 pm - 7:36 am
ISP
-
PHL
14h 28m
1 stop
Frontier Logo
10:56 pm - 10:56 am
PHL
-
ISP
12h 00m
1 stop
$501Frontier
Booking Insights

KAYAK's insights & trends for Islip to Philadelphia flights

Get data-powered insights and trends into flights from Islip to Philadelphia 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 Islip to Philadelphia?

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

Boston (BOS) is the top choice – 67% of KAYAK users who clicked on 1-stop flights from Islip to Philadelphia picked an itinerary connecting there.

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

Average round-trip price for 1-stop flights from Islip to Philadelphia 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 $320.

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

Shortest average total travel time for 1-stop one-way flights from Islip to Philadelphia 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 38m.

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

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

If you prefer a quick connection, Myrtle Beach (MYR) often has the shortest layovers from Islip to Philadelphia, with an average of 0h 46m.

Find deals

Good to know

Cheapest flight$165
Flight from Islip to Philadelphia

When to book flights from Islip to Philadelphia

Are your dates flexible? Find out the best times to travel from Islip to Philadelphia 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 Islip to Philadelphia

  • What is the cheapest flight from Islip to Philadelphia?

    In the last 3 days, the lowest price for a flight from Islip to Philadelphia was $165 for a one-way ticket and $290 for a round-trip.

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

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

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

    Islip airport is called Islip Long Island and the only airport in Philadelphia is Philadelphia.

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

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

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

    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 Philadelphia.

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

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

    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 Philadelphia with an airline and back to Islip with another airline. Booking your flights between Islip and PHL 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 Islip to Philadelphia?

    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 Philadelphia from Islip 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 Philadelphia

Information on your arrival and departure airports

Islip (ISP)
Philadelphia (PHL)