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

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

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 36% 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.

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.

$112 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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Enter your travel dates to find the best prices.

11:00 am - 7:20 pm

ISP

PIT

8h 20m

1 stop

8:15 pm - 11:00 am

PIT

ISP

14h 45m

1 stop

$194Frontier

Fri, May 15 - Mon, May 18

5:30 am - 11:45 am

ISP

PIT

6h 15m

1 stop

4:00 pm - 10:40 pm

PIT

ISP

6h 40m

1 stop

$195Southwest

Sat, Apr 25 - Sat, May 2

10:00 am - 4:15 pm

ISP

PIT

6h 15m

1 stop

2:45 pm - 10:40 pm

PIT

ISP

7h 55m

2 stops

$200Southwest

Sat, Apr 25 - Sat, May 2

4:30 pm - 8:00 pm

ISP

PIT

3h 30m

1 stop

12:30 pm - 10:10 pm

PIT

ISP

9h 40m

2 stops

$201Southwest

Mon, Apr 13 - Wed, Apr 15

6:00 am - 3:20 pm

ISP

PIT

9h 20m

2 stops

7:15 am - 4:00 pm

PIT

ISP

8h 45m

2 stops

$205Southwest

Sat, Apr 25 - Sat, May 2

4:30 pm - 8:00 pm

ISP

PIT

3h 30m

1 stop

5:45 am - 11:50 am

PIT

ISP

6h 05m

1 stop

$253Southwest

Thu, Apr 23 - Thu, Apr 30

11:00 am - 7:20 pm

ISP

PIT

8h 20m

1 stop

8:15 pm - 4:47 pm

PIT

ISP

20h 32m

2 stops

$259Multiple Airlines

Fri, May 15 - Mon, May 18

4:30 pm - 8:00 pm

ISP

PIT

3h 30m

1 stop

6:40 am - 11:55 am

PIT

ISP

5h 15m

1 stop

$276Southwest

Mon, Apr 13 - Wed, Apr 15

8:35 am - 3:15 pm

ISP

PIT

6h 40m

2 stops

7:15 am - 4:00 pm

PIT

ISP

8h 45m

2 stops

$278Southwest

Thu, Apr 30 - Sat, May 2

8:35 am - 3:15 pm

ISP

PIT

6h 40m

2 stops

7:15 am - 4:00 pm

PIT

ISP

8h 45m

2 stops

$286Southwest

Thu, May 7 - Sat, May 9

Southwest flights from Islip, New York to Pittsburgh

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

Southwest

Apr 25

ISP5:30 amIslip Long Island

6h 15m

1 stop

PIT11:45 amPittsburgh

May 2

PIT10:05 amPittsburgh

5h 55m

1 stop

ISP4:00 pmIslip Long Island

$195

Southwest

Apr 25

ISP10:00 amIslip Long Island

6h 15m

1 stop

PIT4:15 pmPittsburgh

May 2

PIT7:15 amPittsburgh

8h 45m

2 stops

ISP4:00 pmIslip Long Island

$200

Southwest

Apr 13

ISP4:30 pmIslip Long Island

3h 30m

1 stop

PIT8:00 pmPittsburgh

Apr 15

PIT12:30 pmPittsburgh

9h 40m

2 stops

ISP10:10 pmIslip Long Island

$201

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 14

ISP7:53 pmIslip Long Island

16h 55m

1 stop

PIT12:48 pmPittsburgh

May 18

PIT9:21 amPittsburgh

25h 55m

1 stop

ISP11:16 amIslip Long Island

$648

Breeze Airways

May 14

ISP7:53 pmIslip Long Island

16h 55m

1 stop

PIT12:48 pmPittsburgh

May 18

PIT3:37 pmPittsburgh

19h 39m

2 stops

ISP11:16 amIslip Long Island

$654

Breeze Airways

Aug 6

ISP7:49 pmIslip Long Island

19h 08m

2 stops

PIT2:57 pmPittsburgh

Aug 13

PIT7:49 pmPittsburgh

16h 31m

3 stops

ISP12:20 pmIslip Long Island

$674

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

Fri 5/15

11:00 am-7:20 pm

1 stop8h 20m

Pittsburgh

Mon 5/18

8:15 pm-11:00 am

1 stop14h 45m

$194

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Sat 4/25

5:30 am-11:45 am

1 stop6h 15m

Pittsburgh

Sat 5/2

4:00 pm-10:40 pm

1 stop6h 40m

$195

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Sat 4/25

10:00 am-4:15 pm

1 stop6h 15m

Pittsburgh

Sat 5/2

2:45 pm-10:40 pm

2 stops7h 55m

$200

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Mon 4/13

4:30 pm-8:00 pm

1 stop3h 30m

Pittsburgh

Wed 4/15

12:30 pm-10:10 pm

2 stops9h 40m

$201

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Sat 4/25

6:00 am-3:20 pm

2 stops9h 20m

Pittsburgh

Sat 5/2

7:15 am-4:00 pm

2 stops8h 45m

$205

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Thu 4/23

4:30 pm-8:00 pm

1 stop3h 30m

Pittsburgh

Thu 4/30

5:45 am-11:50 am

1 stop6h 05m

$253

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Fri 5/15

11:00 am-7:20 pm

1 stop8h 20m

Pittsburgh

Mon 5/18

8:15 pm-4:47 pm

2 stops20h 32m

$259

Quickest round-trip

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Mon 4/13

4:30 pm-8:00 pm

1 stop3h 30m

Pittsburgh

Wed 4/15

6:40 am-11:55 am

1 stop5h 15m

$276

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Thu 4/30

8:35 am-3:15 pm

2 stops6h 40m

Pittsburgh

Sat 5/2

7:15 am-4:00 pm

2 stops8h 45m

$278

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Thu 5/7

8:35 am-3:15 pm

2 stops6h 40m

Pittsburgh

Sat 5/9

7:15 am-4:00 pm

2 stops8h 45m

$286

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 $197. 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 $221. 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 $187. Flights to Pittsburgh are more costly at noon, with an average ticket price of $220. 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	3h 30m
Direct flights	None

The fastest flight from Islip, New York to Pittsburgh takes 3h 30m

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. 3h 30m 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.