Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Pennsylvania to New York from $100

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 9/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Pennsylvania to New York

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
5:35 am - 9:40 amPIT  Pittsburgh-ISP Islip Long Island
4h 05m1 stop Baltimore/Washington
Southwest Logo
4:05 pm - 9:55 pmISP  Islip Long Island-PIT Pittsburgh
5h 50m1 stop Baltimore/Washington
$211Southwest
Mon, Sep 7 - Fri, Sep 11
Southwest Logo
5:35 am - 9:40 amPIT  Pittsburgh-ISP Islip Long Island
4h 05m1 stop Baltimore/Washington
Southwest Logo
1:15 pm - 9:35 pmISP  Islip Long Island-PIT Pittsburgh
8h 20m2 stops Palm Beach Intl Orlando
$216Southwest
Mon, Sep 7 - Fri, Sep 11
Frontier Logo
4:52 pm - 6:14 pmIAD  Washington, D.C. Dulles Intl-ISP Islip Long Island
25h 22m1 stop Orlando
Frontier Logo
5:43 pm - 10:27 amISP  Islip Long Island-IAD Washington, D.C. Dulles Intl
16h 44m1 stop Orlando
$218Frontier
Sat, Sep 5 - Sat, Sep 12
Southwest Logo
6:10 am - 12:05 pmPIT  Pittsburgh-ISP Islip Long Island
5h 55m1 stop Baltimore/Washington
Southwest Logo
4:05 pm - 9:55 pmISP  Islip Long Island-PIT Pittsburgh
5h 50m1 stop Baltimore/Washington
$221Southwest
Sat, Sep 26 - Mon, Sep 28
Frontier Logo
4:52 pm - 9:53 amIAD  Washington, D.C. Dulles Intl-ISP Islip Long Island
17h 01m1 stop Orlando
Frontier Logo
7:46 pm - 11:43 amISP  Islip Long Island-IAD Washington, D.C. Dulles Intl
15h 57m1 stop Tampa
$231Frontier
Sat, Sep 5 - Sun, Sep 6
Frontier Logo
11:12 am - 4:58 pmIAD  Washington, D.C. Dulles Intl-ISP Islip Long Island
5h 46m1 stop Orlando
Frontier Logo
5:43 pm - 10:17 amISP  Islip Long Island-IAD Washington, D.C. Dulles Intl
16h 34m1 stop Orlando
$232Frontier
Sat, Sep 12 - Mon, Sep 14
Frontier Logo
11:12 am - 4:58 pmIAD  Washington, D.C. Dulles Intl-ISP Islip Long Island
5h 46m1 stop Orlando
Frontier Logo
5:43 pm - 10:17 amISP  Islip Long Island-IAD Washington, D.C. Dulles Intl
16h 34m1 stop Orlando
$232Frontier
Thu, Sep 10 - Tue, Sep 15
Frontier Logo
11:12 am - 4:58 pmIAD  Washington, D.C. Dulles Intl-ISP Islip Long Island
29h 46m1 stop Orlando
Frontier Logo
5:43 pm - 10:17 amISP  Islip Long Island-IAD Washington, D.C. Dulles Intl
16h 34m1 stop Orlando
$235Frontier
Sat, Sep 19 - Tue, Sep 22
Multiple Airlines Logo
5:15 am - 4:58 pmPHL  Philadelphia-ISP Islip Long Island
11h 43m1 stop Orlando
Multiple Airlines Logo
12:00 pm - 12:09 amISP  Islip Long Island-PHL Philadelphia
12h 09m2 stops Raleigh-Durham Orlando
$241Multiple Airlines
Sun, Sep 13 - Tue, Sep 15
Frontier Logo
11:05 am - 9:53 amIAD  Washington, D.C. Dulles Intl-ISP Islip Long Island
22h 48m1 stop Orlando
Frontier Logo
7:46 pm - 11:43 amISP  Islip Long Island-IAD Washington, D.C. Dulles Intl
15h 57m1 stop Tampa
$248Frontier
Wed, Sep 2 - Sun, Sep 6

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Southwest flights from Pennsylvania to Islip, New York

Our best Southwest deals on Pennsylvania to Islip, New York flight tickets
Southwest
Oct 1
PIT4:20 pmPittsburgh
7h 15m
2 stops
ISP11:35 pmIslip Long Island
Oct 5
ISP5:40 pmIslip Long Island
5h 50m
1 stop
PIT11:30 pmPittsburgh
$177
Southwest
Oct 1
PIT5:50 amPittsburgh
8h 40m
1 stop
ISP2:30 pmIslip Long Island
Oct 5
ISP5:40 pmIslip Long Island
5h 50m
1 stop
PIT11:30 pmPittsburgh
$178
Southwest
Oct 1
PIT4:20 pmPittsburgh
7h 15m
2 stops
ISP11:35 pmIslip Long Island
Oct 5
ISP3:10 pmIslip Long Island
9h 05m
2 stops
PIT12:15 amPittsburgh
$183

Frontier flights from Pennsylvania to Islip, New York

Our best Frontier deals on Pennsylvania to Islip, New York flight tickets
Frontier
Sep 5
IAD4:52 pmWashington, D.C. Dulles Intl
25h 22m
1 stop
ISP6:14 pmIslip Long Island
Sep 12
ISP5:43 pmIslip Long Island
16h 44m
1 stop
IAD10:27 amWashington, D.C. Dulles Intl
$218
Frontier
Sep 5
IAD4:52 pmWashington, D.C. Dulles Intl
17h 01m
1 stop
ISP9:53 amIslip Long Island
Sep 6
ISP7:46 pmIslip Long Island
15h 57m
1 stop
IAD11:43 amWashington, D.C. Dulles Intl
$231
Frontier
Sep 10
IAD11:12 amWashington, D.C. Dulles Intl
5h 46m
1 stop
ISP4:58 pmIslip Long Island
Sep 15
ISP5:43 pmIslip Long Island
16h 34m
1 stop
IAD10:17 amWashington, D.C. Dulles Intl
$232

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 August 10, 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
Quickest round-trip

PittsburghIslip

PIT Pittsburgh - ISP Islip Long Island

PITISP

Pittsburgh

Mon 9/7

5:35 am-9:40 am

1 stop4h 05m

Islip Long Island

Fri 9/11

4:05 pm-9:55 pm

1 stop5h 50m

$211

PittsburghIslip

PIT Pittsburgh - ISP Islip Long Island

PITISP

Pittsburgh

Mon 9/7

5:35 am-9:40 am

1 stop4h 05m

Islip Long Island

Fri 9/11

1:15 pm-9:35 pm

2 stops8h 20m

$216

Washington, D.C.Islip

IAD Washington, D.C. Dulles Intl - ISP Islip Long Island

IADISP

Washington, D.C. Dulles Intl

Sat 9/5

4:52 pm-6:14 pm

1 stop25h 22m

Islip Long Island

Sat 9/12

5:43 pm-10:27 am

1 stop16h 44m

$218

PittsburghIslip

PIT Pittsburgh - ISP Islip Long Island

PITISP

Pittsburgh

Sat 9/26

6:10 am-12:05 pm

1 stop5h 55m

Islip Long Island

Mon 9/28

4:05 pm-9:55 pm

1 stop5h 50m

$221

Washington, D.C.Islip

IAD Washington, D.C. Dulles Intl - ISP Islip Long Island

IADISP

Washington, D.C. Dulles Intl

Sat 9/5

4:52 pm-9:53 am

1 stop17h 01m

Islip Long Island

Sun 9/6

7:46 pm-11:43 am

1 stop15h 57m

$231

Washington, D.C.Islip

IAD Washington, D.C. Dulles Intl - ISP Islip Long Island

IADISP

Washington, D.C. Dulles Intl

Sat 9/12

11:12 am-4:58 pm

1 stop5h 46m

Islip Long Island

Mon 9/14

5:43 pm-10:17 am

1 stop16h 34m

$232

Washington, D.C.Islip

IAD Washington, D.C. Dulles Intl - ISP Islip Long Island

IADISP

Washington, D.C. Dulles Intl

Thu 9/10

11:12 am-4:58 pm

1 stop5h 46m

Islip Long Island

Tue 9/15

5:43 pm-10:17 am

1 stop16h 34m

$232

Washington, D.C.Islip

IAD Washington, D.C. Dulles Intl - ISP Islip Long Island

IADISP

Washington, D.C. Dulles Intl

Sat 9/19

11:12 am-4:58 pm

1 stop29h 46m

Islip Long Island

Tue 9/22

5:43 pm-10:17 am

1 stop16h 34m

$235

PhiladelphiaIslip

PHL Philadelphia - ISP Islip Long Island

PHLISP

Philadelphia

Sun 9/13

5:15 am-4:58 pm

1 stop11h 43m

Islip Long Island

Tue 9/15

12:00 pm-12:09 am

2 stops12h 09m

$241

Washington, D.C.Islip

IAD Washington, D.C. Dulles Intl - ISP Islip Long Island

IADISP

Washington, D.C. Dulles Intl

Wed 9/2

11:05 am-9:53 am

1 stop22h 48m

Islip Long Island

Sun 9/6

7:46 pm-11:43 am

1 stop15h 57m

$248

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

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 36% of people opting to fly with this airline when traveling to Islip, New York. Keep in mind that there are 5 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 05m

Direct flights

None
The fastest flight from Pennsylvania to Islip, New York takes 4h 05m
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 $196Free CancellationRating
8.0
4,218 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
Southampton
Sag Harbor
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.

An easier way to manage your Islip, New York trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 9/9
Wed 9/16
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States