Cheap flights from Philadelphia to Islip (PHL - ISP)

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How to find the cheapest flight from
Philadelphia (PHL) to Islip (ISP)

All the information you need to plan the best PHL to ISP flight in 2022: compare Philadelphia to Islip flight prices with the expected peak season, weather and rainfall in Islip.
How far in advance should I book a flight from Philadelphia to Islip, New York?

To save up to 80% on this flight, we recommend booking at least 35 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Philadelphia to Islip, New York from $184 1-2 weeks out and tickets from $280 for flights departing within the next 72 hours.

When is the cheapest time to fly from Philadelphia to Islip, New York (PHL - ISP)?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 34% on flights from Philadelphia to Islip, New York by exploring options for tickets in the morning.

What is the cheapest day to fly round-trip from Philadelphia to Islip, New York?

It’s generally more expensive to depart on a Sunday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

What is the cheapest month to fly from Philadelphia to Islip, New York?

August can be a great time to fly to Islip, New York from Philadelphia with a flight ticket averaging about $217. Cheapflights users have found deals in the month of August for as cheap as $36. The most expensive prices can be found in the month of January.

Cheap flights from Philadelphia to Islip in June, July 2022

The best prices found for PHL to ISP flights for June, July
14 Jul - 21 Jul
$243pp
PHL
Philadelphia
Frontier
 
1 STOP
ISP
Islip Long Island
ISP
Islip Long Island
Frontier
 
1 STOP
PHL
Philadelphia
29 Jul - 30 Jul
$325pp
PHL
Philadelphia
American Airlines
Non-Stop
ISP
Islip Long Island
ISP
Islip Long Island
American Airlines
Non-Stop
PHL
Philadelphia
29 Jul - 30 Jul
$328pp
PHL
Philadelphia
Multiple Airlines
 
1 STOP
ISP
Islip Long Island
ISP
Islip Long Island
Multiple Airlines
 
1 STOP
PHL
Philadelphia

Philadelphia to Islip 2022 flight deals

Cheap flights to Islip from Philadelphia found for this year
14 Jul - 21 Jul
$243pp
PHL
Philadelphia
Frontier
 
1 STOP
ISP
Islip Long Island
ISP
Islip Long Island
Frontier
 
1 STOP
PHL
Philadelphia
9 Aug - 11 Aug
$320pp
PHL
Philadelphia
American Airlines
Non-Stop
ISP
Islip Long Island
ISP
Islip Long Island
American Airlines
Non-Stop
PHL
Philadelphia
29 Jul - 30 Jul
$325pp
PHL
Philadelphia
American Airlines
Non-Stop
ISP
Islip Long Island
ISP
Islip Long Island
American Airlines
Non-Stop
PHL
Philadelphia

Non-stop flights to Islip from Philadelphia

Save time with Philadelphia to Islip direct flight deals
9 Aug - 11 Aug
$320pp
PHL
Philadelphia
American Airlines
Non-Stop
ISP
Islip Long Island
ISP
Islip Long Island
American Airlines
Non-Stop
PHL
Philadelphia
29 Jul - 30 Jul
$325pp
PHL
Philadelphia
American Airlines
Non-Stop
ISP
Islip Long Island
ISP
Islip Long Island
American Airlines
Non-Stop
PHL
Philadelphia
11 Jul - 18 Jul
$355pp
PHL
Philadelphia
American Airlines
Non-Stop
ISP
Islip Long Island
ISP
Islip Long Island
American Airlines
Non-Stop
PHL
Philadelphia

Last minute flights from Philadelphia to Islip

Late deals on round-trip flights to Islip from Philadelphia, departing today and this week
7 Jul - 11 Jul
$339pp
PHL
Philadelphia
Frontier
 
1 STOP
ISP
Islip Long Island
ISP
Islip Long Island
Frontier
 
1 STOP
PHL
Philadelphia
7 Jul - 10 Jul
$348pp
PHL
Philadelphia
Frontier
 
1 STOP
ISP
Islip Long Island
ISP
Islip Long Island
Frontier
 
1 STOP
PHL
Philadelphia
7 Jul - 10 Jul
$400pp
PHL
Philadelphia
American Airlines
Non-Stop
ISP
Islip Long Island
ISP
Islip Long Island
American Airlines
Non-Stop
PHL
Philadelphia

One-way flights to Long Island from Philadelphia

The cheapest one-way flights from Philadelphia to Islip
10:02 am - 11:12 am
American Airlines
Nonstop
1h 10m
PHL - ISP
American Airlines
12:48 pm - 5:53 am
Frontier
2 Stops
17h 05m
PHL - ISP
Frontier
$508
Kiwi.com
1:40 pm - 2:14 pm
Multiple Airlines
3 Stops
24h 34m
PHL - ISP
Multiple Airlines
$2,903
Gotogate

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Philadelphia</span> to <span class="emphasized">Islip</span> flights.

Flight FAQs

From Philadelphia to Islip

Which airlines flying from Philadelphia to Islip Long Island have flexible changes due to COVID-19?

One of the carriers operating flights from Philadelphia to Islip Long Island that may be offering flexible change policies is American Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Philadelphia to Islip, New York for under $300 on Cheapflights?

Yes, there are multiple flights from Philadelphia to Islip, New York for under $300. The cheapest flight booked recently is on Multiple Airlines for just $276, but on average you can expect to pay $327.

Are there nonstop flights from Philadelphia to Islip, New York for under $400 on Cheapflights?

Cheapflights has at least 4 direct flights from Philadelphia to Islip, New York under $400. A good price for a nonstop flight from Philadelphia to Islip, New York is less than $340.

Are there last-minute flights available from Philadelphia to Islip, New York for under $400?

There are currently 6+ open flights from Philadelphia to Islip, New York within the next 7 days for less than $400.

What days are nonstop flights available from Philadelphia to Islip, New York?

Days when nonstop flights are available for this flight are: Saturday.

How many flights depart from Philadelphia to Islip, New York on average per day?

On average, you can expect to see 1 flight from Philadelphia to Islip, New York a day.
Afternoon (Noon - 6pm) - 100% of flight departures

How long is the flight from Philadelphia to Islip, New York?

For as low as $320, American Airlines can have you in Islip, New York from Philadelphia in 1h 10m. Airlines will cover a distance of 130 mi. Most flights are nonstop.

What is the cheapest airline to fly from Philadelphia to Islip, New York round-trip?

Currently priced at $320, American Airlines will fly you from Philadelphia to Islip, New York and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. American Airlines is currently priced 19% below the average price you’ll pay for this route.

What are the cheapest flights from Philadelphia to Islip, New York?

The cheapest flight price from Philadelphia to Islip, New York is $239. On average you can expect to pay $332. The most popular route, (Philadelphia - Islip Long Island), can usually be booked for $270.

What are the most reliable airlines from Philadelphia to Islip, New York?

The top 3 most reliable airlines when flying from Philadelphia to Islip, New York are Qatar Airways (93%), American Airlines (84%) and Piedmont Airlines (84%).

COVID Restrictions

View COVID Travel Restrictions for Islip, NY

Do I need a COVID test to fly to Islip from Philadelphia?

Information is based on travel restrictions for travel to Islip Long Island within the United States

Most visitors from Philadelphia need to provide a negative COVID-19 test result and/or quarantine to enter Islip Long Island.

COVID-19 testing requirements
Visitors from Philadelphia are not required to present a negative COVID-19 PCR test or antigen result upon entering Islip Long Island.

Quarantine requirements
Visitors from Philadelphia are not required to quarantine after entering Islip Long Island.

Do I need a test to fly back to Philadelphia from Islip?

Returning to Philadelphia from Islip Long Island

COVID-19 testing requirements
Visitors from Islip Long Island are not required to present a negative COVID-19 PCR test or antigen result upon entering Philadelphia.

Quarantine requirements
Visitors from Islip Long Island are not required to quarantine after entering Philadelphia.

Hide COVID Travel Restrictions for Islip, NY

Alternative routes for Philadelphia to Islip

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Islip

Things to know before you go - useful duration and weather info for your trip from Philadelphia to Islip.
Flight duration from PHL to ISP
1h 08m
Average temperature for June in Islip
80.6 °F
Avg rainfall for June in Islip
3.9 ″

Airports servicing Philadelphia

Airports servicing Islip

Hourly flight availability from Philadelphia to Islip

See what time of day planes typically take off from Philadelphia towards Islip.
Evening 6 PM to midnight 69% of PHL to ISP departures
Afternoon Noon to 6 PM 31% of PHL to ISP departures
Early morning Midnight to 6 AM 0% of PHL to ISP departures
Morning 6 AM to noon 0% of PHL to ISP departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Philadelphia to Islip
See how many times per day planes take to the skies headed from Philadelphia to Islip.
Sunday
1 daily flight
Monday
1 daily flight
Tuesday
0 flights
Wednesday
2 daily flights
Thursday
1 daily flight
Friday
0 flights
Saturday
1 daily flight
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