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ISP (Islip) to PHL (Philadelphia) Flights $312.4

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Cheap ISP to PHL Flights

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

Allentown

$382.60

Interesting Facts About Flights from Islip to Philadelphia (ISP to PHL)

Question : What's the expected flight time for ISP to PHL?
Answer : Flying from ISP to PHL typically takes about one hour and 15 minutes.

Question : What's the likelihood of you being delayed on this route?
Answer : Using the combined on-time percentage and average delay breakdown, Ronkonkoma to Philadelphia currently has a 3 out of a possible 5 star rating. A 3-star rating means you should feel slightly worried about getting to Philadelphia on time.

Question : Is price more important than specific travel days for you?
Answer : The best day to fly on a budget this month is Friday. Having flexibility in your travel plans means you can save more, so be sure to plan ahead when possible.

Question : Should you take that vacation to Philadelphia in the next 30 days?
Answer : Jun 9th has seen bookings (as of May 22nd) as cheap as $313. That comes in 29% below the average price for this route. Saving on flight fares means you'll have more money in your hand for the trip.

Question : Is the price you found a good deal?
Answer : Ranging anywhere from $313 to $663, prices for ISP to PHL do change much more than most routes in the United States. The further out you book a route, the more likely you are to save.

Question : What is the cheapest round-trip ticket you can get to Philadelphia?
Answer : American Airlines is your best bet for finding that coveted low fare. They're offering fares as low as $313, while prices for other flights are as high as $663.

Question : How many departure times are there on a given day?
Answer : The number of flight times varies by day, but on average, ISP to PHL sees four different choices. You won't have as many choices on this route as most others departing the United States.