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 6 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 Breeze Airways 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 many operators does momondo search for flights from Islip Long Island Airport to Pittsburgh Airport?

As of December 2025, there is 1 operator available to choose from for flights from Islip Long Island Airport to Pittsburgh Airport.

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.

$92 Cheap Flights from Islip to Pittsburgh in 2025/26

Q: What is the typical price of a round-trip flight between Islip, New York and Pittsburgh?

Prices are currently low for flights on this route. Typical prices usually range from $388 to $513. The lowest price recently found on this route was $229.

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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.

5:30 pm - 11:45 pm

ISP

PIT

6h 15m1 stop

12:35 pm - 9:55 pm

PIT

ISP

9h 20m2 stops

$229Southwest

Mon, Jan 5 - Thu, Jan 8

6:00 am - 12:10 pm

ISP

PIT

6h 10m1 stop

6:30 am - 1:30 pm

PIT

ISP

7h 00m1 stop

$236Southwest

Tue, Jan 13 - Fri, Jan 16

3:45 pm - 9:55 pm

ISP

PIT

6h 10m1 stop

12:25 pm - 10:20 pm

PIT

ISP

9h 55m2 stops

$241Southwest

Tue, Jan 13 - Fri, Jan 16

12:40 pm - 8:45 pm

ISP

PIT

8h 05m2 stops

12:25 pm - 10:20 pm

PIT

ISP

9h 55m2 stops

$246Southwest

Tue, Jan 13 - Fri, Jan 16

5:50 am - 11:35 am

ISP

PIT

5h 45m1 stop

3:55 pm - 9:55 pm

PIT

ISP

6h 00m1 stop

$248Southwest

Mon, Jan 5 - Thu, Jan 8

5:45 am - 12:15 pm

ISP

PIT

6h 30m1 stop

6:00 am - 11:55 am

PIT

ISP

5h 55m1 stop

$255Southwest

Sat, Jan 10 - Sun, Jan 11

5:45 am - 12:15 pm

ISP

PIT

6h 30m1 stop

12:25 pm - 10:20 pm

PIT

ISP

9h 55m2 stops

$260Southwest

Sat, Jan 10 - Sun, Jan 11

10:55 am - 5:25 pm

ISP

PIT

6h 30m2 stops

12:35 pm - 9:55 pm

PIT

ISP

9h 20m2 stops

$264Southwest

Mon, Jan 5 - Thu, Jan 8

4:40 pm - 9:58 am

ISP

PIT

17h 18m1 stop

2:45 pm - 3:10 pm

PIT

ISP

24h 25m1 stop

$270Multiple Airlines

Thu, Dec 18 - Mon, Dec 22

2:01 pm - 7:54 pm

ISP

PIT

5h 53m1 stop

8:07 pm - 8:05 pm

PIT

ISP

23h 58m2 stops

$275Breeze Airways

Fri, Jan 23 - Sun, Jan 25

Southwest flights from Islip, New York to Pittsburgh

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

Southwest

Jan 5

ISP5:30 pmIslip Long Island

6h 15m

1 stop

PIT11:45 pmPittsburgh

Jan 8

PIT12:35 pmPittsburgh

9h 20m

2 stops

ISP9:55 pmIslip Long Island

$229

Find similar

Southwest

Jan 13

ISP6:00 amIslip Long Island

6h 10m

1 stop

PIT12:10 pmPittsburgh

Jan 16

PIT6:30 amPittsburgh

7h 00m

1 stop

ISP1:30 pmIslip Long Island

$236

Find similar

Southwest

Jan 13

ISP3:45 pmIslip Long Island

6h 10m

1 stop

PIT9:55 pmPittsburgh

Jan 16

PIT12:25 pmPittsburgh

9h 55m

2 stops

ISP10:20 pmIslip Long Island

$241

Find similar

Breeze Airways flights from Islip, New York to Pittsburgh

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

Breeze Airways

Jan 23

ISP2:01 pmIslip Long Island

5h 53m

1 stop

PIT7:54 pmPittsburgh

Jan 25

PIT8:07 pmPittsburgh

23h 58m

2 stops

ISP8:05 pmIslip Long Island

$275

Find similar

Breeze Airways

Jan 29

ISP11:55 amIslip Long Island

7h 32m

2 stops

PIT7:27 pmPittsburgh

Feb 2

PIT8:43 pmPittsburgh

15h 16m

1 stop

ISP11:59 amIslip Long Island

$565

Find similar

Breeze Airways

Jan 29

ISP7:26 pmIslip Long Island

20h 23m

3 stops

PIT3:49 pmPittsburgh

Feb 2

PIT8:43 pmPittsburgh

15h 16m

1 stop

ISP11:59 amIslip Long Island

$660

Find similar

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

Mon 1/5

5:30 pm-11:45 pm

1 stop6h 15m

Pittsburgh

Thu 1/8

12:35 pm-9:55 pm

2 stops9h 20m

$229

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Tue 1/13

6:00 am-12:10 pm

1 stop6h 10m

Pittsburgh

Fri 1/16

6:30 am-1:30 pm

1 stop7h 00m

$236

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Tue 1/13

3:45 pm-9:55 pm

1 stop6h 10m

Pittsburgh

Fri 1/16

12:25 pm-10:20 pm

2 stops9h 55m

$241

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Tue 1/13

12:40 pm-8:45 pm

2 stops8h 05m

Pittsburgh

Fri 1/16

12:25 pm-10:20 pm

2 stops9h 55m

$246

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Mon 1/5

5:50 am-11:35 am

1 stop5h 45m

Pittsburgh

Thu 1/8

3:55 pm-9:55 pm

1 stop6h 00m

$248

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Sat 1/10

5:45 am-12:15 pm

1 stop6h 30m

Pittsburgh

Sun 1/11

6:00 am-11:55 am

1 stop5h 55m

$255

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Sat 1/10

5:45 am-12:15 pm

1 stop6h 30m

Pittsburgh

Sun 1/11

12:25 pm-10:20 pm

2 stops9h 55m

$260

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Mon 1/5

10:55 am-5:25 pm

2 stops6h 30m

Pittsburgh

Thu 1/8

12:35 pm-9:55 pm

2 stops9h 20m

$264

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Thu 12/18

4:40 pm-9:58 am

1 stop17h 18m

Pittsburgh

Mon 12/22

2:45 pm-3:10 pm

1 stop24h 25m

$270

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Fri 1/23

2:01 pm-7:54 pm

1 stop5h 53m

Pittsburgh

Sun 1/25

8:07 pm-8:05 pm

2 stops23h 58m

$275

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 typical price of a round-trip flight between Islip, New York and Pittsburgh?

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 Wednesday when prices can be found for as low as $192. 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 $227. 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 $219. 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	5h 45m
Direct flights	None

The fastest flight from Islip, New York to Pittsburgh takes 5h 45m

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. 4h 45m 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 many operators does momondo search for flights from Islip Long Island Airport to Pittsburgh Airport?
As of December 2025, there is 1 operator available to choose from for flights from Islip Long Island Airport to Pittsburgh Airport.
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.
What is the most popular airline from Islip, New York to Pittsburgh?
Based on momondo bookings for flights between Islip, New York and Pittsburgh, the leading airline is Southwest, making up 100% of the total bookings.

Best airlines flying from Islip, New York to Pittsburgh

Compare and see reviews for airlines that fly from Islip, New York to Pittsburgh with momondo

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $183	Free Cancellation	Rating 8.0 4,250 reviews		Search Southwest flights

Washington

Monroeville

Wheeling

Butler

Canonsburg

Triadelphia

New Castle

West Mifflin

Steubenville

Belle Vernon

Moon

Coraopolis

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.