Beginning of main content
Round Trip Icon
Trip Type
Flight 1
Flight 2
Flight 3
Flight 4
Flight 5

Search over 1,000,000 properties worldwide and 550 airlines worldwide.

Search over a million flights, hotels, packages, and more

No Expedia cancellation fee to change or cancel almost any hotel reservation.

Cheap ISP to PHL Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Islip to Philadelphia route information

Origin Airport MacArthur
Destination Airport Philadelphia Intl.
Airlines Serving American Airlines
Flight Price $353
Distance 129 mi

Cheap ISP to PHL Flights

  • Question : What is the cheapest day to fly?
    Answer : The cheapest day to fly from Islip to Philadelphia is on Monday. If you want to save some cash on your next business trip look for flights on Monday.
  • Question : What is the cheapest airline flying from Islip to Philadelphia?
    Answer : American Airlines is the leader in keeping costs down for their passengers over the next three months. Bookings are being made at just $328 and, when compared to the pricier bookings of $911, it's quite a deal.
  • Question : Which airline has the least delays from Islip to Philadelphia?
    Answer : Booking with Southwest Airlines means you will arrive to Philadelphia pretty close to the time your ticket states. In fact, this timely airline has a 100% average for landing before the plane turns into a pumpkin. Of course, it never hurts to be prepared. If you’re on NetJets Aviation, be sure to sign up for the delay notifications to stay up to date with your flight’s status.
  • Question : What is the cheapest day to fly to Philadelphia?
    Answer : Jun 30th has bookings (as of Jun 17th) as cheap as $328. That comes in 35% below the average price for this route. Saving now means you'll have more money in your hand.
  • Question : How long is the flight from ISP to PHL?
    Answer : If you're able to take the direct flight (which is offered by American Airlines), you will be able to leave ISP at 5:50 PM EDT and get to PHL at 7:00 PM EDT (one hour and 10 minutes).
  • Question : How much is a plane ticket to Philadelphia (PHL) from Islip (ISP)?
    Answer : They range from $328 to $911. Booking far in advance can usually help you get the cheapest price. The further out you book, the more likely you are to save on your trip.
  • Question : How long does it take to fly from Islip to Philadelphia?
    Answer : Definitely the fastest option to get to Philadelphia when compared to driving. Flying from ISP to PHL can take as little as one hour and 10 minutes.