Which airports can I use when flying from Islip to Philadelphia?

Flights from Islip to Philadelphia usually depart from Islip Long Island (ISP) and arrive at Philadelphia (PHL).

What cabin classes can I book on flights from Islip to Philadelphia?

Only Economy Class is available on flights from Islip to Philadelphia.

Which airports do connecting flights from Islip to Philadelphia pass through?

Most connecting flights from Islip to Philadelphia pass through Boston Logan Intl (BOS), which handles 100% of one-stop traffic on this route.

What popular places can I visit in Philadelphia?

Some of the most popular sights in Philadelphia are Philadelphia Convention Center, Rittenhouse Square and Philadelphia Stadium. These are among the most viewed places in Philadelphia on KAYAK.

Do I need a passport to fly from Islip to Philadelphia?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Have flight prices from Islip to Philadelphia changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $263 to $1,301. That means the highest observed fare was about 5x higher than the lowest one.

What car rental options are available at Philadelphia Airport (PHL)?

Philadelphia Airport (PHL) hosts 5 major car rental companies, with daily rates averaging $69 for economy cars. Top options include: • Payless • Dollar • Hertz • Thrifty • Alamo

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

Flights via Boston Logan Intl (BOS) offer the most affordable fares, with an average round-trip price of $868. Based on KAYAK data over the past 3 months.

When flying from Islip to Philadelphia which airport offers the shortest layover?

Boston Logan Intl (BOS) had the shortest average connection time for Islip to Philadelphia layovers at 2h 45m over the past 3 months.

Cheap Flights from Islip to Philadelphia | KAYAK

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Cheapest round-trip

$263

Typical prices: $868-$868

Multiple Airlines

Sat 12/1Wed 12/5

ISP - PHL • 1 stop

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Flight Deals

Cheap Flights from Islip to Philadelphia (ISP-PHL)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Islip to Philadelphia

Tue, Dec 1 - Sat, Dec 5

12:00 pm - 11:28 pmISP Islip Long Island-PHL Philadelphia

11h 28m1 stop Raleigh-Durham

4:16 pm - 10:17 amPHL Philadelphia-ISP Islip Long Island

18h 01m1 stop Raleigh-Durham

$263Multiple Airlines

Tue, Dec 1 - Sat, Dec 5

12:00 pm - 11:28 pmISP Islip Long Island-PHL Philadelphia

11h 28m1 stop Raleigh-Durham

4:16 pm - 10:17 amPHL Philadelphia-ISP Islip Long Island

18h 01m1 stop Raleigh-Durham

$264Multiple Airlines

Tue, Dec 1 - Sat, Dec 5

12:00 pm - 11:28 pmISP Islip Long Island-PHL Philadelphia

11h 28m1 stop Raleigh-Durham

4:31 pm - 10:17 amPHL Philadelphia-ISP Islip Long Island

17h 46m2 stops Atlanta Hartsfield-Jackson Raleigh-Durham

$287Multiple Airlines

Tue, Dec 1 - Sat, Dec 5

12:00 pm - 11:28 pmISP Islip Long Island-PHL Philadelphia

11h 28m1 stop Raleigh-Durham

4:31 pm - 10:17 amPHL Philadelphia-ISP Islip Long Island

17h 46m2 stops Atlanta Hartsfield-Jackson Raleigh-Durham

$288Multiple Airlines

Thu, Nov 12 - Mon, Nov 16

10:57 am - 4:24 pmISP Islip Long Island-PHL Philadelphia

5h 27m1 stop Raleigh-Durham

7:42 am - 11:20 amPHL Philadelphia-ISP Islip Long Island

27h 38m1 stop Raleigh-Durham

$369Multiple Airlines

Thu, Nov 12 - Mon, Nov 16

10:57 am - 4:24 pmISP Islip Long Island-PHL Philadelphia

5h 27m1 stop Raleigh-Durham

5:14 pm - 11:20 amPHL Philadelphia-ISP Islip Long Island

18h 06m2 stops Atlanta Hartsfield-Jackson Raleigh-Durham

$399Multiple Airlines

Tue, Nov 10 - Sat, Nov 14

12:00 pm - 1:29 pmISP Islip Long Island-PHL Philadelphia

25h 29m1 stop Raleigh-Durham

7:25 pm - 10:17 amPHL Philadelphia-ISP Islip Long Island

14h 52m1 stop Raleigh-Durham

$402Multiple Airlines

Fri, Nov 13 - Tue, Nov 17

3:02 pm - 11:24 pmISP Islip Long Island-PHL Philadelphia

8h 22m1 stop Raleigh-Durham

9:30 am - 11:20 amPHL Philadelphia-ISP Islip Long Island

25h 50m1 stop Raleigh-Durham

$403Multiple Airlines

Fri, Nov 13 - Tue, Nov 17

3:02 pm - 4:24 pmISP Islip Long Island-PHL Philadelphia

25h 22m1 stop Raleigh-Durham

5:14 pm - 11:20 amPHL Philadelphia-ISP Islip Long Island

18h 06m2 stops Atlanta Hartsfield-Jackson Raleigh-Durham

$453Multiple Airlines

Tue, Nov 10 - Sat, Nov 14

12:00 pm - 7:21 amISP Islip Long Island-PHL Philadelphia

19h 21m2 stops Raleigh-Durham Atlanta Hartsfield-Jackson

7:25 pm - 10:17 amPHL Philadelphia-ISP Islip Long Island

14h 52m1 stop Raleigh-Durham

$481Multiple Airlines

Booking Insights

Price, demand and travel trends for Islip to Philadelphia flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

What is the cheapest layover airport when flying from Islip to Philadelphia?: Flights via Boston Logan Intl (BOS) offer the most affordable fares, with an average round-trip price of $868. Based on KAYAK data over the past 3 months.
When flying from Islip to Philadelphia which airport offers the shortest layover?: Boston Logan Intl (BOS) had the shortest average connection time for Islip to Philadelphia layovers at 2h 45m over the past 3 months.

Find deals

Cheapest flight	$136

One-way 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 cabin classes can I book on flights from Islip to Philadelphia?
Only Economy Class is available on flights from Islip to Philadelphia.
Do I need a passport to fly from Islip to Philadelphia?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.
Have flight prices from Islip to Philadelphia changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $263 to $1,301. That means the highest observed fare was about 5x higher than the lowest one.
What car rental options are available at Philadelphia Airport (PHL)?
Philadelphia Airport (PHL) hosts 5 major car rental companies, with daily rates averaging $69 for economy cars. Top options include:

• Payless
• Dollar
• Hertz
• Thrifty
• Alamo
Which airports can I use when flying from Islip to Philadelphia?
Flights from Islip to Philadelphia usually depart from Islip Long Island (ISP) and arrive at Philadelphia (PHL).
Which airports do connecting flights from Islip to Philadelphia pass through?
Most connecting flights from Islip to Philadelphia pass through Boston Logan Intl (BOS), which handles 100% of one-stop traffic on this route.
What popular places can I visit in Philadelphia?
Some of the most popular sights in Philadelphia are Philadelphia Convention Center, Rittenhouse Square and Philadelphia Stadium. These are among the most viewed places in Philadelphia on KAYAK.

If you're arriving late at night and need somewhere to stay, check out these hotels close to Philadelphia Airport.

• Microtel Inn & Suites by Wyndham Philadelphia Airport
• Sonesta Select Philadelphia Airport
• Embassy Suites by Hilton Philadelphia Airport

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ISP - PHL

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Everything you should know

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

Price, demand and travel trends for Islip to Philadelphia flights

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

When flying from Islip to Philadelphia which airport offers the shortest layover?

Key details for Islip to Philadelphia flights

Cheapest flight

When to book flights from Islip to Philadelphia

Your Islip to Philadelphia flight questions, answered

Your guide to booking Islip to Philadelphia flights

More options for your flight from Islip to Philadelphia

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

Information on your arrival and departure airports

Cabin class types available on flights from Islip to Philadelphia

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