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Cheap flights from Pennsylvania to New York from $115

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 7/13. 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.
Frontier Logo
7:27 pm - 10:05 am
IAD
-
ISP
14h 38m
1 stop
Frontier Logo
11:00 am - 3:16 pm
ISP
-
IAD
28h 16m
1 stop
$224Frontier
Fri, May 29 - Mon, Jun 1
Frontier Logo
7:27 pm - 10:15 am
IAD
-
ISP
14h 48m
1 stop
Frontier Logo
9:52 pm - 12:53 pm
ISP
-
IAD
15h 01m
1 stop
$230Frontier
Fri, Jun 5 - Thu, Jun 11
Frontier Logo
12:32 pm - 7:05 pm
IAD
-
ISP
6h 33m
1 stop
Frontier Logo
9:52 pm - 12:53 pm
ISP
-
IAD
15h 01m
1 stop
$233Frontier
Fri, Jun 12 - Sun, Jun 14
Southwest Logo
9:55 pm - 10:30 am
PIT
-
ISP
12h 35m
1 stop
Southwest Logo
3:05 pm - 7:30 pm
ISP
-
PIT
4h 25m
1 stop
$238Southwest
Thu, Jun 4 - Thu, Jun 11
Frontier Logo
7:27 pm - 10:05 am
IAD
-
ISP
14h 38m
1 stop
Frontier Logo
6:02 pm - 4:22 pm
ISP
-
IAD
22h 20m
1 stop
$239Frontier
Thu, May 28 - Tue, Jun 2
Southwest Logo
9:55 pm - 10:30 am
PIT
-
ISP
12h 35m
1 stop
Southwest Logo
3:05 pm - 12:50 am
ISP
-
PIT
9h 45m
2 stops
$244Southwest
Thu, Jun 4 - Thu, Jun 11
Multiple Airlines Logo
2:52 pm - 10:05 am
IAD
-
ISP
19h 13m
2 stops
Multiple Airlines Logo
11:00 am - 3:16 pm
ISP
-
IAD
28h 16m
1 stop
$255Multiple Airlines
Fri, May 29 - Mon, Jun 1
Multiple Airlines Logo
7:27 pm - 10:15 am
IAD
-
ISP
14h 48m
1 stop
Multiple Airlines Logo
9:52 pm - 2:12 pm
ISP
-
IAD
16h 20m
2 stops
$274Multiple Airlines
Fri, Jun 5 - Thu, Jun 11
JetBlue Logo
6:00 am - 1:39 pm
EWR
-
ISP
7h 39m
1 stop
JetBlue Logo
12:25 pm - 11:05 pm
ISP
-
EWR
10h 40m
1 stop
$438JetBlue
Tue, Jun 2 - Fri, Jun 5
JetBlue Logo
6:30 am - 1:44 pm
JFK
-
ISP
7h 14m
1 stop
JetBlue Logo
2:35 pm - 11:59 pm
ISP
-
JFK
9h 24m
1 stop
$443JetBlue
Mon, Jun 1 - Fri, Jun 5

JetBlue flights from Pennsylvania to Islip, New York

Our best JetBlue deals on Pennsylvania to Islip, New York flight tickets
JetBlue
Jun 9
DCA7:10 amWashington, D.C. Reagan-National
6h 29m
1 stop
ISP1:39 pmIslip Long Island
Jun 10
ISP12:25 pmIslip Long Island
10h 07m
1 stop
DCA10:32 pmWashington, D.C. Reagan-National
$413
JetBlue
Jun 2
EWR6:00 amNewark
7h 39m
1 stop
ISP1:39 pmIslip Long Island
Jun 5
ISP12:25 pmIslip Long Island
10h 40m
1 stop
EWR11:05 pmNewark
$438
JetBlue
Jun 9
DCA7:10 amWashington, D.C. Reagan-National
6h 29m
1 stop
ISP1:39 pmIslip Long Island
Jun 10
ISP12:25 pmIslip Long Island
6h 30m
1 stop
DCA6:55 pmWashington, D.C. Reagan-National
$439

Breeze Airways flights from Pennsylvania to Islip, New York

Our best Breeze Airways deals on Pennsylvania to Islip, New York flight tickets
Breeze Airways
May 21
PIT8:58 pmPittsburgh
16h 30m
1 stop
ISP1:28 pmIslip Long Island
May 26
ISP11:56 amIslip Long Island
27h 18m
2 stops
PIT3:14 pmPittsburgh
$425
Breeze Airways
May 28
PIT8:58 pmPittsburgh
16h 30m
1 stop
ISP1:28 pmIslip Long Island
May 31
ISP7:49 pmIslip Long Island
16h 59m
1 stop
PIT12:48 pmPittsburgh
$648
Breeze Airways
May 28
PIT8:58 pmPittsburgh
16h 30m
1 stop
ISP1:28 pmIslip Long Island
Jun 1
ISP8:43 pmIslip Long Island
16h 12m
1 stop
PIT12:55 pmPittsburgh
$678

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 May 11, 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

Cheapest round-trip

Washington, D.C.Islip

IAD - ISP

IADISP

Washington, D.C. Dulles Intl

Fri 5/29

7:27 pm-10:05 am

1 stop14h 38m

Islip Long Island

Mon 6/1

11:00 am-3:16 pm

1 stop28h 16m

$224

Washington, D.C.Islip

IAD - ISP

IADISP

Washington, D.C. Dulles Intl

Fri 6/5

7:27 pm-10:15 am

1 stop14h 48m

Islip Long Island

Thu 6/11

9:52 pm-12:53 pm

1 stop15h 01m

$230

Washington, D.C.Islip

IAD - ISP

IADISP

Washington, D.C. Dulles Intl

Fri 6/12

12:32 pm-7:05 pm

1 stop6h 33m

Islip Long Island

Sun 6/14

9:52 pm-12:53 pm

1 stop15h 01m

$233

PittsburghIslip

PIT - ISP

PITISP

Pittsburgh

Thu 6/4

9:55 pm-10:30 am

1 stop12h 35m

Islip Long Island

Thu 6/11

3:05 pm-7:30 pm

1 stop4h 25m

$238

Washington, D.C.Islip

IAD - ISP

IADISP

Washington, D.C. Dulles Intl

Thu 5/28

7:27 pm-10:05 am

1 stop14h 38m

Islip Long Island

Tue 6/2

6:02 pm-4:22 pm

1 stop22h 20m

$239

PittsburghIslip

PIT - ISP

PITISP

Pittsburgh

Thu 6/4

9:55 pm-10:30 am

1 stop12h 35m

Islip Long Island

Thu 6/11

3:05 pm-12:50 am

2 stops9h 45m

$244

Washington, D.C.Islip

IAD - ISP

IADISP

Washington, D.C. Dulles Intl

Fri 5/29

2:52 pm-10:05 am

2 stops19h 13m

Islip Long Island

Mon 6/1

11:00 am-3:16 pm

1 stop28h 16m

$255

Washington, D.C.Islip

IAD - ISP

IADISP

Washington, D.C. Dulles Intl

Fri 6/5

7:27 pm-10:15 am

1 stop14h 48m

Islip Long Island

Thu 6/11

9:52 pm-2:12 pm

2 stops16h 20m

$274

NewarkIslip

EWR - ISP

EWRISP

Newark

Tue 6/2

6:00 am-1:39 pm

1 stop7h 39m

Islip Long Island

Fri 6/5

12:25 pm-11:05 pm

1 stop10h 40m

$438
Quickest round-trip

New YorkIslip

JFK - ISP

JFKISP

New York John F Kennedy Intl

Mon 6/1

6:30 am-1:44 pm

1 stop7h 14m

Islip Long Island

Fri 6/5

2:35 pm-11:59 pm

1 stop9h 24m

$443

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

What airlines fly to Islip, New York?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Islip, New York from Pennsylvania according to our data. United Airlines 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

3h 15m

Direct flights

None
The fastest flight from Pennsylvania to Islip, New York takes 3h 15m
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

Frequently asked questions about flying from Pennsylvania to Islip, New York

  • 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 $203Free CancellationRating
8.0
4,298 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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