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 32% 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 JetBlue 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.

$147 Cheap Flights from Islip to Pittsburgh in 2026

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Find the cheapest flights from Islip, New York to Pittsburgh

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

12:15 pm - 8:15 pm

ISP

PIT

8h 00m

1 stop

6:10 am - 11:50 am

PIT

ISP

5h 40m

1 stop

$264Southwest

Sat, Apr 18 - Sun, Apr 19

6:00 am - 2:10 pm

ISP

PIT

8h 10m

2 stops

4:25 pm - 11:45 pm

PIT

ISP

7h 20m

1 stop

$269Southwest

Sat, Apr 18 - Sun, Apr 19

6:00 am - 2:10 pm

ISP

PIT

8h 10m

2 stops

6:50 am - 4:40 pm

PIT

ISP

9h 50m

2 stops

$288Southwest

Sat, Apr 18 - Sun, Apr 19

4:30 pm - 8:00 pm

ISP

PIT

3h 30m

1 stop

5:55 pm - 11:50 pm

PIT

ISP

5h 55m

1 stop

$321Southwest

Fri, Apr 17 - Sun, Apr 19

11:45 am - 7:15 pm

ISP

PIT

7h 30m

1 stop

2:25 pm - 11:55 pm

PIT

ISP

9h 30m

2 stops

$340Southwest

Sun, Mar 22 - Fri, Mar 27

8:35 am - 6:10 pm

ISP

PIT

9h 35m

2 stops

4:25 pm - 11:45 pm

PIT

ISP

7h 20m

1 stop

$344Southwest

Fri, Apr 17 - Sun, Apr 19

11:45 am - 7:15 pm

ISP

PIT

7h 30m

1 stop

5:55 pm - 11:55 pm

PIT

ISP

6h 00m

1 stop

$363Southwest

Sun, Mar 22 - Fri, Mar 27

12:30 pm - 10:05 pm

ISP

PIT

9h 35m

2 stops

6:50 am - 4:40 pm

PIT

ISP

9h 50m

2 stops

$373Southwest

Fri, Apr 17 - Sun, Apr 19

5:40 am - 3:15 pm

ISP

PIT

9h 35m

2 stops

2:25 pm - 11:55 pm

PIT

ISP

9h 30m

2 stops

$380Southwest

Sun, Mar 22 - Fri, Mar 27

11:41 am - 7:46 pm

ISP

PIT

8h 05m

1 stop

10:26 am - 7:26 pm

PIT

ISP

9h 00m

1 stop

$629Frontier

Sat, Feb 21 - Sun, Feb 22

Breeze Airways flights from Islip, New York to Pittsburgh

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

Breeze Airways

Apr 17

ISP2:31 pmIslip Long Island

23h 33m

3 stops

PIT2:04 pmPittsburgh

Apr 19

PIT8:07 pmPittsburgh

17h 24m

2 stops

ISP1:31 pmIslip Long Island

$725

Breeze Airways

Jan 22

ISP11:55 amIslip Long Island

7h 32m

2 stops

PIT7:27 pmPittsburgh

Jan 23

PIT3:45 pmPittsburgh

19h 25m

3 stops

ISP11:10 amIslip Long Island

$956

Breeze Airways

Mar 22

ISP7:26 pmIslip Long Island

19h 39m

2 stops

PIT3:05 pmPittsburgh

Mar 27

PIT3:45 pmPittsburgh

19h 25m

3 stops

ISP11:10 amIslip Long Island

$1,318

Southwest flights from Islip, New York to Pittsburgh

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

Southwest

Apr 18

ISP12:15 pmIslip Long Island

8h 00m

1 stop

PIT8:15 pmPittsburgh

Apr 19

PIT6:10 amPittsburgh

5h 40m

1 stop

ISP11:50 amIslip Long Island

$264

Southwest

Apr 18

ISP6:00 amIslip Long Island

8h 10m

2 stops

PIT2:10 pmPittsburgh

Apr 19

PIT4:25 pmPittsburgh

7h 20m

1 stop

ISP11:45 pmIslip Long Island

$269

Southwest

Apr 18

ISP6:00 amIslip Long Island

8h 10m

2 stops

PIT2:10 pmPittsburgh

Apr 19

PIT6:50 amPittsburgh

9h 50m

2 stops

ISP4:40 pmIslip Long Island

$288

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

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Sat 4/18

12:15 pm-8:15 pm

1 stop8h 00m

Pittsburgh

Sun 4/19

6:10 am-11:50 am

1 stop5h 40m

$264

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Sat 4/18

6:00 am-2:10 pm

2 stops8h 10m

Pittsburgh

Sun 4/19

4:25 pm-11:45 pm

1 stop7h 20m

$269

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Sat 4/18

6:00 am-2:10 pm

2 stops8h 10m

Pittsburgh

Sun 4/19

6:50 am-4:40 pm

2 stops9h 50m

$288

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Fri 4/17

4:30 pm-8:00 pm

1 stop3h 30m

Pittsburgh

Sun 4/19

5:55 pm-11:50 pm

1 stop5h 55m

$321

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Sun 3/22

11:45 am-7:15 pm

1 stop7h 30m

Pittsburgh

Fri 3/27

2:25 pm-11:55 pm

2 stops9h 30m

$340

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Fri 4/17

8:35 am-6:10 pm

2 stops9h 35m

Pittsburgh

Sun 4/19

4:25 pm-11:45 pm

1 stop7h 20m

$344

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Sun 3/22

11:45 am-7:15 pm

1 stop7h 30m

Pittsburgh

Fri 3/27

5:55 pm-11:55 pm

1 stop6h 00m

$363

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Fri 4/17

12:30 pm-10:05 pm

2 stops9h 35m

Pittsburgh

Sun 4/19

6:50 am-4:40 pm

2 stops9h 50m

$373

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Sun 3/22

5:40 am-3:15 pm

2 stops9h 35m

Pittsburgh

Fri 3/27

2:25 pm-11:55 pm

2 stops9h 30m

$380

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Sat 2/21

11:41 am-7:46 pm

1 stop8h 05m

Pittsburgh

Sun 2/22

10:26 am-7:26 pm

1 stop9h 00m

$629

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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 $188. 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 Sunday will generally be more expensive and average around $218. 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 $185. Flights to Pittsburgh are more costly at noon, with an average ticket price of $215. Departure times at noon 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	6h 00m
Direct flights	None

The fastest flight from Islip, New York to Pittsburgh takes 6h 00m

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

How far is Islip Long Island to Pittsburgh by plane?
There are 356.3 mi between Islip Long Island and Pittsburgh. 6h 00m 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

Canonsburg

Butler

Triadelphia

New Castle

West Mifflin

Belle Vernon

Steubenville

Coraopolis

Moon

Wexford

Mars

Freeport

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.