ISP - PHL

$104 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 5/26. 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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Everything you should know

Cheapest round-trip
$254
Multiple Airlines
Sat 5/23Sat 5/30
ISP - PHL • 1 stop
Cheapest one-way
$104
Frontier
Tue 5/26
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.
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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
Useful Info
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

Sat, May 23 - Sat, May 30
Multiple Airlines Logo
6:09 pm - 8:00 pm
ISP
-
PHL
25h 51m
1 stop
Multiple Airlines Logo
2:57 pm - 10:05 am
PHL
-
ISP
19h 08m
1 stop
$254Multiple Airlines
Tue, Jun 2 - Fri, Jun 5
Frontier Logo
6:02 pm - 8:59 am
ISP
-
PHL
14h 57m
1 stop
Frontier Logo
5:04 pm - 10:15 am
PHL
-
ISP
17h 11m
1 stop
$256Frontier
Tue, Jun 2 - Sat, Jun 6
Frontier Logo
6:02 pm - 8:59 am
ISP
-
PHL
14h 57m
1 stop
Frontier Logo
9:16 pm - 10:05 am
PHL
-
ISP
12h 49m
1 stop
$261Frontier
Tue, Jun 2 - Thu, Jun 4
Frontier Logo
6:02 pm - 8:59 am
ISP
-
PHL
14h 57m
1 stop
Frontier Logo
9:16 pm - 10:05 am
PHL
-
ISP
12h 49m
1 stop
$267Frontier
Sat, May 30 - Tue, Jun 2
Multiple Airlines Logo
11:57 am - 6:40 pm
ISP
-
PHL
6h 43m
1 stop
Multiple Airlines Logo
8:10 am - 10:05 am
PHL
-
ISP
25h 55m
2 stops
$270Multiple Airlines
Thu, May 28 - Wed, Jun 3
Frontier Logo
11:00 am - 12:40 am
ISP
-
PHL
13h 40m
1 stop
Frontier Logo
5:04 pm - 10:05 am
PHL
-
ISP
17h 01m
1 stop
$280Frontier
Sat, May 30 - Tue, Jun 2
Multiple Airlines Logo
11:57 am - 4:38 pm
ISP
-
PHL
4h 41m
1 stop
Multiple Airlines Logo
6:10 pm - 10:05 am
PHL
-
ISP
15h 55m
1 stop
$287Multiple Airlines
Fri, May 15 - Mon, May 18
Multiple Airlines Logo
11:00 am - 7:18 pm
ISP
-
PHL
8h 18m
1 stop
Multiple Airlines Logo
4:35 pm - 4:47 pm
PHL
-
ISP
24h 12m
2 stops
$290Multiple Airlines
Sun, May 31 - Tue, Jun 2
Frontier Logo
11:00 am - 11:39 am
ISP
-
PHL
24h 39m
1 stop
Frontier Logo
7:55 am - 5:17 pm
PHL
-
ISP
9h 22m
1 stop
$292Frontier
Sat, May 30 - Wed, Jun 3
Multiple Airlines Logo
11:57 am - 4:38 pm
ISP
-
PHL
4h 41m
1 stop
Multiple Airlines Logo
5:04 pm - 10:05 am
PHL
-
ISP
17h 01m
1 stop
$294Multiple Airlines
Useful Info

Good to know

Cheapest flight$104
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 $104 for a one-way ticket and $254 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)