What airlines fly to Pittsburgh?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Pittsburgh from Islip, New York according to our data. United Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Pittsburgh. Keep in mind that there are 5 different airlines that fly to Pittsburgh on a routine basis, so you have a few additional options to choose from.

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

Frontier and Southwest are the most popular carriers operating from Islip Long Island to Pittsburgh

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

Prices for flights from Islip Long Island Airport to Pittsburgh Airport are updated daily.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Islip Long Island Airport to Pittsburgh Airport.

What documentation or ID do you need to fly to Pittsburgh Airport?

The required travel and health documents for your Pittsburgh Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Pittsburgh Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$123 Cheap Flights from Islip to Pittsburgh in 2026

1 adult

0 bags

Find the cheapest flights from Islip, New York to Pittsburgh

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:02 pm - 7:20 pm

ISP

PIT

25h 18m

1 stop

5:49 pm - 11:17 am

PIT

ISP

17h 28m

1 stop

$234Multiple Airlines

Tue, May 26 - Tue, Jun 2

5:38 pm - 7:20 pm

ISP

PIT

25h 42m

1 stop

7:15 pm - 10:27 am

PIT

ISP

15h 12m

1 stop

$251Frontier

Tue, May 12 - Sat, May 16

6:30 am - 11:50 am

ISP

PIT

5h 20m

1 stop

12:50 pm - 10:10 pm

PIT

ISP

9h 20m

2 stops

$259Southwest

Tue, May 26 - Tue, Jun 2

11:56 am - 3:14 pm

ISP

PIT

27h 18m

2 stops

7:15 pm - 10:27 am

PIT

ISP

15h 12m

1 stop

$299Multiple Airlines

Tue, May 12 - Sat, May 16

9:00 am - 6:30 pm

ISP

PIT

9h 30m

2 stops

12:50 pm - 10:10 pm

PIT

ISP

9h 20m

2 stops

$302Southwest

Tue, May 26 - Tue, Jun 2

6:30 am - 11:50 am

ISP

PIT

5h 20m

1 stop

2:45 pm - 10:30 pm

PIT

ISP

7h 45m

1 stop

$303Southwest

Tue, May 26 - Fri, May 29

6:30 am - 11:50 am

ISP

PIT

5h 20m

1 stop

12:35 pm - 10:30 pm

PIT

ISP

9h 55m

2 stops

$336Southwest

Tue, May 26 - Fri, May 29

1:15 pm - 11:10 pm

ISP

PIT

9h 55m

2 stops

6:00 am - 12:05 pm

PIT

ISP

6h 05m

1 stop

$346Southwest

Fri, Aug 7 - Sun, Aug 9

9:00 am - 6:15 pm

ISP

PIT

9h 15m

2 stops

4:00 pm - 11:20 pm

PIT

ISP

7h 20m

2 stops

$369Southwest

Tue, May 12 - Sat, May 16

7:53 pm - 12:48 pm

ISP

PIT

16h 55m

1 stop

8:15 pm - 11:16 am

PIT

ISP

39h 01m

2 stops

$376Multiple Airlines

Sun, May 24 - Sun, May 31

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Breeze Airways flights from Islip, New York to Pittsburgh

Our best Breeze Airways deals on Islip, New York to Pittsburgh flight tickets

Breeze Airways

May 26

ISP11:56 amIslip Long Island

27h 18m

2 stops

PIT3:14 pmPittsburgh

Jun 2

PIT1:35 pmPittsburgh

21h 42m

3 stops

ISP11:17 amIslip Long Island

$778

Breeze Airways

May 12

ISP11:56 amIslip Long Island

27h 18m

2 stops

PIT3:14 pmPittsburgh

May 16

PIT3:54 pmPittsburgh

26h 12m

3 stops

ISP6:06 pmIslip Long Island

$823

Breeze Airways

May 26

ISP2:08 pmIslip Long Island

25h 06m

3 stops

PIT3:14 pmPittsburgh

May 29

PIT9:14 pmPittsburgh

20h 15m

2 stops

ISP5:29 pmIslip Long Island

$830

JetBlue flights from Islip, New York to Pittsburgh

Our best JetBlue deals on Islip, New York to Pittsburgh flight tickets

JetBlue

Jun 29

ISP3:07 pmIslip Long Island

8h 50m

1 stop

PIT11:57 pmPittsburgh

Jun 30

PIT7:25 amPittsburgh

6h 47m

1 stop

ISP2:12 pmIslip Long Island

$582

JetBlue

Jun 29

ISP3:07 pmIslip Long Island

8h 50m

1 stop

PIT11:57 pmPittsburgh

Jun 30

PIT7:25 amPittsburgh

6h 47m

1 stop

ISP2:12 pmIslip Long Island

$612

momondo Fare Finder

Use the filters below to find and compare flights from Islip, New York to Pittsburgh that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Tue 5/26

6:02 pm-7:20 pm

1 stop25h 18m

Pittsburgh

Tue 6/2

5:49 pm-11:17 am

1 stop17h 28m

$234

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Tue 5/12

5:38 pm-7:20 pm

1 stop25h 42m

Pittsburgh

Sat 5/16

7:15 pm-10:27 am

1 stop15h 12m

$251

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Tue 5/26

6:30 am-11:50 am

1 stop5h 20m

Pittsburgh

Tue 6/2

12:50 pm-10:10 pm

2 stops9h 20m

$259

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Tue 5/12

11:56 am-3:14 pm

2 stops27h 18m

Pittsburgh

Sat 5/16

7:15 pm-10:27 am

1 stop15h 12m

$299

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Tue 5/26

9:00 am-6:30 pm

2 stops9h 30m

Pittsburgh

Tue 6/2

12:50 pm-10:10 pm

2 stops9h 20m

$302

Quickest round-trip

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Tue 5/26

6:30 am-11:50 am

1 stop5h 20m

Pittsburgh

Fri 5/29

2:45 pm-10:30 pm

1 stop7h 45m

$303

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Tue 5/26

6:30 am-11:50 am

1 stop5h 20m

Pittsburgh

Fri 5/29

12:35 pm-10:30 pm

2 stops9h 55m

$336

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Fri 8/7

1:15 pm-11:10 pm

2 stops9h 55m

Pittsburgh

Sun 8/9

6:00 am-12:05 pm

1 stop6h 05m

$346

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Tue 5/12

9:00 am-6:15 pm

2 stops9h 15m

Pittsburgh

Sat 5/16

4:00 pm-11:20 pm

2 stops7h 20m

$369

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Sun 5/24

7:53 pm-12:48 pm

1 stop16h 55m

Pittsburgh

Sun 5/31

8:15 pm-11:16 am

2 stops39h 01m

$376

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Prices

Airlines

What is the cheapest day to depart on your flight to Pittsburgh?

The cheapest day to depart on your flight to Pittsburgh is on a Thursday when prices can be found for as low as $206. This is often the case because there is less demand to fly during this day of the week. Flights from Islip, New York to Pittsburgh on a Tuesday will generally be more expensive and average around $244. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Pittsburgh?

Our data shows that the cheapest Islip, New York to Pittsburgh flights are usually those with departure times in the evening. Our users have found flights to Pittsburgh in the evening for as low as $197. Flights to Pittsburgh are more costly in the afternoon, with an average ticket price of $232. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Islip, New York to Pittsburgh

Are you open to changing your travel dates? Check out the ideal times to fly from Islip, New York to Pittsburgh according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Islip, New York to Pittsburgh (ISP to PIT) flight deals and tips

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

Fastest flight time	7h 32m
Direct flights	None

The fastest flight from Islip, New York to Pittsburgh takes 7h 32m

There are no direct flights from Islip, New York to Pittsburgh. There are no popular flight routes from Islip, New York to Pittsburgh.

Search flight deals

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

How far is Islip Long Island to Pittsburgh by plane?
There are 356.3 mi between Islip Long Island and Pittsburgh. 7h 32m is a normal flight duration for this route.
When did momondo last update prices for flights from Islip Long Island Airport to Pittsburgh Airport?
Prices for flights from Islip Long Island Airport to Pittsburgh Airport are updated daily.
How old do you have to be to fly from Islip Long Island Airport to Pittsburgh Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Islip Long Island Airport to Pittsburgh Airport.
What documentation or ID do you need to fly to Pittsburgh Airport?
The required travel and health documents for your Pittsburgh Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Pittsburgh Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Washington

Monroeville

Wheeling

Butler

Canonsburg

Triadelphia

New Castle

West Mifflin

Belle Vernon

Steubenville

Coraopolis

Moon

Mars

Wexford

Cadiz

Chester

Bridgeport

Edgewood

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Pittsburgh from Islip.

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

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

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

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

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

If you are simply researching potential flights to Pittsburgh, momondo offers a useful price alert feature which will track prices for flights to Pittsburgh from Islip and alert you when they change.