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Cheap flights from Pennsylvania to New York from $86

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pennsylvania to New York departing on 4/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Pennsylvania to New York

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
4:55 pm - 11:20 pm
PIT
-
ISP
6h 25m
1 stop
Southwest Logo
4:10 pm - 10:10 pm
ISP
-
PIT
6h 00m
1 stop
$197Southwest
Sat, Apr 25 - Tue, Apr 28
Southwest Logo
4:55 pm - 11:20 pm
PIT
-
ISP
6h 25m
1 stop
Southwest Logo
12:30 pm - 8:45 pm
ISP
-
PIT
8h 15m
2 stops
$202Southwest
Sat, Apr 25 - Tue, Apr 28
Southwest Logo
7:15 am - 4:00 pm
PIT
-
ISP
8h 45m
2 stops
Southwest Logo
9:00 am - 6:15 pm
ISP
-
PIT
9h 15m
2 stops
$207Southwest
Sat, Apr 25 - Tue, Apr 28
Multiple Airlines Logo
5:30 am - 1:31 pm
PHL
-
ISP
8h 01m
1 stop
Multiple Airlines Logo
1:22 pm - 6:51 pm
ISP
-
PHL
29h 29m
1 stop
$219Multiple Airlines
Fri, Mar 6 - Mon, Mar 9
Multiple Airlines Logo
12:17 pm - 11:10 am
PHL
-
ISP
22h 53m
1 stop
Multiple Airlines Logo
1:22 pm - 12:52 am
ISP
-
PHL
11h 30m
2 stops
$247Multiple Airlines
Fri, Mar 6 - Mon, Mar 9
Frontier Logo
6:20 am - 4:13 pm
IAD
-
ISP
33h 53m
2 stops
Frontier Logo
4:34 pm - 7:24 am
ISP
-
IAD
14h 50m
1 stop
$268Frontier
Wed, Mar 11 - Sun, Mar 22
Multiple Airlines Logo
7:46 pm - 7:48 am
PHL
-
ISP
12h 02m
1 stop
Multiple Airlines Logo
5:51 pm - 7:32 am
ISP
-
PHL
13h 41m
1 stop
$295Multiple Airlines
Sat, Feb 28 - Sun, Mar 1
Multiple Airlines Logo
5:30 pm - 7:48 am
PHL
-
ISP
14h 18m
2 stops
Multiple Airlines Logo
5:51 pm - 7:32 am
ISP
-
PHL
13h 41m
1 stop
$299Multiple Airlines
Sat, Feb 28 - Sun, Mar 1
Frontier Logo
2:39 pm - 11:55 pm
IAD
-
ISP
9h 16m
1 stop
Frontier Logo
6:40 pm - 5:31 pm
ISP
-
IAD
22h 51m
1 stop
$322Frontier
Thu, Apr 2 - Mon, Apr 6
JetBlue Logo
6:40 am - 12:56 pm
LGA
-
ISP
6h 16m
1 stop
JetBlue Logo
12:35 pm - 9:45 pm
ISP
-
LGA
9h 10m
1 stop
$523JetBlue
Mon, Jun 1 - Sun, Jun 7

Southwest flights from Pennsylvania to Islip, New York

Our best Southwest deals on Pennsylvania to Islip, New York flight tickets
Southwest
Apr 25
PIT4:55 pmPittsburgh
6h 25m
1 stop
ISP11:20 pmIslip Long Island
Apr 28
ISP4:10 pmIslip Long Island
6h 00m
1 stop
PIT10:10 pmPittsburgh
$197
Southwest
Apr 25
PIT4:55 pmPittsburgh
6h 25m
1 stop
ISP11:20 pmIslip Long Island
Apr 28
ISP12:30 pmIslip Long Island
8h 15m
2 stops
PIT8:45 pmPittsburgh
$202
Southwest
Apr 25
PIT7:15 amPittsburgh
8h 45m
2 stops
ISP4:00 pmIslip Long Island
Apr 28
ISP9:00 amIslip Long Island
9h 15m
2 stops
PIT6:15 pmPittsburgh
$207

JetBlue flights from Pennsylvania to Islip, New York

Our best JetBlue deals on Pennsylvania to Islip, New York flight tickets
JetBlue
Jun 1
LGA6:40 amNew York LaGuardia
6h 16m
1 stop
ISP12:56 pmIslip Long Island
Jun 7
ISP12:35 pmIslip Long Island
9h 10m
1 stop
LGA9:45 pmNew York LaGuardia
$523
JetBlue
Jun 1
EWR6:00 amNewark
6h 56m
1 stop
ISP12:56 pmIslip Long Island
Jun 7
ISP1:51 pmIslip Long Island
6h 39m
1 stop
EWR8:30 pmNewark
$629
JetBlue
Jun 25
DCA6:59 amWashington, D.C. Reagan-National
5h 57m
1 stop
ISP12:56 pmIslip Long Island
Jun 28
ISP1:51 pmIslip Long Island
7h 09m
1 stop
DCA9:00 pmWashington, D.C. Reagan-National
$671

momondo Fare Finder

 
Customize your flight search to find flights from Pennsylvania to Islip, New York that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 5, 2026.
Use the filters below to find and compare flights from Pennsylvania to Islip, New York that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PittsburghIslip

PIT - ISP

PITISP

Pittsburgh

Sat 4/25

4:55 pm-11:20 pm

1 stop6h 25m

Islip Long Island

Tue 4/28

4:10 pm-10:10 pm

1 stop6h 00m

$197

PittsburghIslip

PIT - ISP

PITISP

Pittsburgh

Sat 4/25

4:55 pm-11:20 pm

1 stop6h 25m

Islip Long Island

Tue 4/28

12:30 pm-8:45 pm

2 stops8h 15m

$202

PittsburghIslip

PIT - ISP

PITISP

Pittsburgh

Sat 4/25

7:15 am-4:00 pm

2 stops8h 45m

Islip Long Island

Tue 4/28

9:00 am-6:15 pm

2 stops9h 15m

$207

PhiladelphiaIslip

PHL - ISP

PHLISP

Philadelphia

Fri 3/6

5:30 am-1:31 pm

1 stop8h 01m

Islip Long Island

Mon 3/9

1:22 pm-6:51 pm

1 stop29h 29m

$219

PhiladelphiaIslip

PHL - ISP

PHLISP

Philadelphia

Fri 3/6

12:17 pm-11:10 am

1 stop22h 53m

Islip Long Island

Mon 3/9

1:22 pm-12:52 am

2 stops11h 30m

$247

Washington, D.C.Islip

IAD - ISP

IADISP

Washington, D.C. Dulles Intl

Wed 3/11

6:20 am-4:13 pm

2 stops33h 53m

Islip Long Island

Sun 3/22

4:34 pm-7:24 am

1 stop14h 50m

$268

PhiladelphiaIslip

PHL - ISP

PHLISP

Philadelphia

Sat 2/28

7:46 pm-7:48 am

1 stop12h 02m

Islip Long Island

Sun 3/1

5:51 pm-7:32 am

1 stop13h 41m

$295

PhiladelphiaIslip

PHL - ISP

PHLISP

Philadelphia

Sat 2/28

5:30 pm-7:48 am

2 stops14h 18m

Islip Long Island

Sun 3/1

5:51 pm-7:32 am

1 stop13h 41m

$299

Washington, D.C.Islip

IAD - ISP

IADISP

Washington, D.C. Dulles Intl

Thu 4/2

2:39 pm-11:55 pm

1 stop9h 16m

Islip Long Island

Mon 4/6

6:40 pm-5:31 pm

1 stop22h 51m

$322

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Mon 6/1

6:40 am-12:56 pm

1 stop6h 16m

Islip Long Island

Sun 6/7

12:35 pm-9:45 pm

1 stop9h 10m

$523

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to New York from

How to get the cheapest flight ticket from Pennsylvania to Islip, New York

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Pennsylvania to Islip Long Island?

Frontier, JetBlue, and Southwest are the most popular carriers operating from Pennsylvania to Islip Long Island

What airlines fly to Islip, New York?

Delta, American Airlines and United Airlines are the top three most popular airlines that fly to Islip, New York from Pennsylvania according to our data. Delta is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Islip, New York. Keep in mind that there are 6 different airlines that fly to Islip, New York on a routine basis, so you have a few additional options to choose from.

Cheap Pennsylvania to Islip, New York flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Pennsylvania to Islip, New York

Fastest flight time

4h 27m

Direct flights

None
The fastest flight from Pennsylvania to Islip, New York takes 4h 27m
There are no direct flights from Pennsylvania to Islip, New York. There are no popular flight routes from Pennsylvania to Islip, New York.
Search flight deals

  • When did momondo last update prices for flights from Pennsylvania to Islip Long Island Airport?

    Prices for flights from Pennsylvania to Islip Long Island Airport were last updated today.

  • How many operators does momondo search for flights from Pennsylvania to Islip Long Island Airport?

  • How old do you have to be to fly from Pennsylvania to Islip Long Island Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Pennsylvania to Islip Long Island Airport.

  • What documentation or ID do you need to fly to Islip Long Island Airport?

    The travel and health documents you'll need for your trip to Islip Long Island Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Islip Long Island Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Pennsylvania to Islip, New York

Compare and see reviews for airlines that fly from Pennsylvania to Islip, New York with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $219Free CancellationRating
8.0
4,274 reviews
Search Southwest flights

Traveling to a place near New York?

Book flights to New York if you plan to visit one of these locations
Montauk
Riverhead
Sag Harbor
Southampton
Amagansett

Why use momondo?

Why should I use momondo to find a flight deal from Pennsylvania to Islip?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Pennsylvania to Islip for you.

Can I find flights from Pennsylvania to Islip with flexible booking policies on momondo?

momondo does allow users to show only those flights to Islip from Pennsylvania which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Pennsylvania to Islip?

momondo provides multiple filters to help you find the best flight to Islip from Pennsylvania. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Pennsylvania to Islip right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Pennsylvania to Islip flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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