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 $228 for a one-way ticket and $584 for a round-trip. Visit our flight page for the latest deals!>/a>

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

A passport is not required to fly from Islip to Philadelphia. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

$228 CHEAP FLIGHTS from Islip to Philadelphia (ISP - PHL)

ISP - PHL

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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.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Islip to Philadelphia

Sun, Aug 17 - Sat, Aug 23

4:33 pm - 5:50 pmISP-PHL

25h 17m1 stop

7:55 pm - 11:41 amPHL-ISP

15h 46m1 stop

$584

Find Deal

Tue, Jul 15 - Tue, Jul 22

2:19 pm - 9:38 amISP-PHL

19h 19m1 stop

11:42 am - 11:41 amPHL-ISP

23h 59m1 stop

$604

Find Deal

Fri, Jul 11 - Mon, Jul 14

4:33 pm - 4:45 pmISP-PHL

24h 12m1 stop

8:20 pm - 11:41 amPHL-ISP

15h 21m1 stop

$624

Find Deal

Tue, Jul 22 - Wed, Jul 23

7:30 am - 9:38 amISP-PHL

26h 08m1 stop

5:40 pm - 3:21 pmPHL-ISP

21h 41m1 stop

$696

Find Deal

Tue, Jul 8 - Wed, Jul 16

7:30 am - 9:38 amISP-PHL

26h 08m1 stop

5:40 pm - 10:58 amPHL-ISP

17h 18m1 stop

$701

Find Deal

Tue, Jul 8 - Wed, Jul 9

12:35 pm - 10:52 amISP-PHL

22h 17m1 stop

5:40 pm - 3:21 pmPHL-ISP

21h 41m1 stop

$721

Find Deal

Wed, Jul 2 - Sun, Jul 6

2:12 pm - 10:33 pmISP-PHL

32h 21m2 stops

7:05 am - 6:59 pmPHL-ISP

11h 54m2 stops

$737

Find Deal

Wed, Jul 2 - Sun, Jul 6

7:25 pm - 10:33 pmISP-PHL

27h 08m3 stops

7:05 am - 6:59 pmPHL-ISP

11h 54m2 stops

$833

Find Deal

Tue, Jul 8 - Wed, Jul 9

7:30 am - 9:55 amISP-PHL

26h 25m2 stops

7:59 pm - 1:24 pmPHL-ISP

17h 25m2 stops

$851

Find Deal

Tue, Jul 15 - Tue, Jul 22

4:33 pm - 11:14 pmISP-PHL

30h 41m2 stops

10:40 am - 1:24 pmPHL-ISP

26h 44m2 stops

$933

Find Deal

Useful Info

Cheapest flight	$228

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.

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 $228 for a one-way ticket and $584 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

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on your arrival and departure airports

Islip (ISP)

Philadelphia (PHL)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

ISP - PHL

$228 Find Cheap Flights from Islip to Philadelphia

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

Cheap Flights from Islip to Philadelphia (ISP-PHL)

Recent round-trip flight deals from Islip to Philadelphia

Recent one-way flight deals from Islip to Philadelphia

Recent last minute flight deals from Islip to Philadelphia

Good to know

When to book flights from Islip to Philadelphia

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 $228 for a one-way ticket and $584 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

Cabin class types available on flights from Islip to Philadelphia

Complete your trip to Philadelphia with a hotel stay or car rental

Find direct flights to and from Islip and Philadelphia

Flights to other popular destinations

Flights from domestic origins to Philadelphia

Choose which airport to fly into in Philadelphia

Find deals for your return flight