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

Breeze Airways is the most popular carrier 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 30% 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.

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 November 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.

$220 Cheap Flights from Islip to Pittsburgh in 2025/26

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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.

10:19 am - 11:28 pmISP-PIT

13h 09m1 stop

10:53 am - 7:34 pmPIT-ISP

32h 41m2 stops

$220Multiple Airlines

Find Deal

Thu, Dec 4 - Mon, Dec 8

1:10 pm - 6:30 pmISP-PIT

5h 20m1 stop

6:10 am - 11:55 amPIT-ISP

5h 45m1 stop

$239Southwest

Find Deal

Fri, Feb 27 - Wed, Mar 4

5:35 am - 2:30 pmISP-PIT

8h 55m2 stops

10:00 am - 4:15 pmPIT-ISP

6h 15m1 stop

$244Southwest

Find Deal

Fri, Feb 27 - Wed, Mar 4

5:35 am - 2:30 pmISP-PIT

8h 55m2 stops

1:15 pm - 9:55 pmPIT-ISP

8h 40m2 stops

$267Southwest

Find Deal

Fri, Feb 27 - Wed, Mar 4

10:19 am - 11:28 pmISP-PIT

13h 09m1 stop

8:32 pm - 10:28 amPIT-ISP

13h 56m1 stop

$283Multiple Airlines

Find Deal

Thu, Dec 4 - Mon, Dec 8

5:15 pm - 12:05 amISP-PIT

6h 50m1 stop

5:55 pm - 11:55 pmPIT-ISP

6h 00m1 stop

$291Southwest

Find Deal

Mon, Mar 30 - Thu, Apr 2

5:15 pm - 12:05 amISP-PIT

6h 50m1 stop

2:25 pm - 10:40 pmPIT-ISP

8h 15m2 stops

$296Southwest

Find Deal

Mon, Mar 30 - Thu, Apr 2

2:00 pm - 10:15 pmISP-PIT

8h 15m2 stops

2:25 pm - 11:55 pmPIT-ISP

9h 30m2 stops

$301Southwest

Find Deal

Mon, Mar 30 - Thu, Apr 2

3:40 pm - 10:25 pmISP-PIT

6h 45m1 stop

5:50 am - 11:55 amPIT-ISP

6h 05m1 stop

$302Southwest

Find Deal

Wed, Dec 24 - Sun, Dec 28

10:38 am - 4:51 pmISP-PIT

6h 13m1 stop

5:54 pm - 11:25 amPIT-ISP

17h 31m1 stop

$327Multiple Airlines

Find Deal

Thu, Dec 25 - Mon, Dec 29

Southwest flights from Islip, New York to Pittsburgh

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

Southwest

Feb 27

ISP1:10 pmIslip Long Island

5h 20m

1 stop

PIT6:30 pmPittsburgh

Mar 4

PIT6:10 amPittsburgh

5h 45m

1 stop

ISP11:55 amIslip Long Island

$239

Find similar

Southwest

Feb 27

ISP5:35 amIslip Long Island

8h 55m

2 stops

PIT2:30 pmPittsburgh

Mar 4

PIT10:00 amPittsburgh

6h 15m

1 stop

ISP4:15 pmIslip Long Island

$244

Find similar

Southwest

Feb 27

ISP5:35 amIslip Long Island

8h 55m

2 stops

PIT2:30 pmPittsburgh

Mar 4

PIT1:15 pmPittsburgh

8h 40m

2 stops

ISP9:55 pmIslip Long Island

$267

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 29

ISP7:26 pmIslip Long Island

19h 39m

2 stops

PIT3:05 pmPittsburgh

Feb 2

PIT8:43 pmPittsburgh

15h 16m

1 stop

ISP11:59 amIslip Long Island

$531

Find similar

Breeze Airways

Dec 4

ISP10:38 amIslip Long Island

28h 35m

3 stops

PIT3:13 pmPittsburgh

Dec 8

PIT8:32 pmPittsburgh

13h 56m

1 stop

ISP10:28 amIslip Long Island

$631

Find similar

Breeze Airways

Feb 27

ISP2:31 pmIslip Long Island

23h 33m

3 stops

PIT2:04 pmPittsburgh

Mar 4

PIT3:22 pmPittsburgh

27h 24m

2 stops

ISP6:46 pmIslip Long Island

$661

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

Thu 12/4

10:19 am-11:28 pm

1 stop13h 09m

Pittsburgh

Mon 12/8

10:53 am-7:34 pm

2 stops32h 41m

$220

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Fri 2/27

1:10 pm-6:30 pm

1 stop5h 20m

Pittsburgh

Wed 3/4

6:10 am-11:55 am

1 stop5h 45m

$239

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Fri 2/27

5:35 am-2:30 pm

2 stops8h 55m

Pittsburgh

Wed 3/4

10:00 am-4:15 pm

1 stop6h 15m

$244

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Fri 2/27

5:35 am-2:30 pm

2 stops8h 55m

Pittsburgh

Wed 3/4

1:15 pm-9:55 pm

2 stops8h 40m

$267

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Thu 12/4

10:19 am-11:28 pm

1 stop13h 09m

Pittsburgh

Mon 12/8

8:32 pm-10:28 am

1 stop13h 56m

$283

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Mon 3/30

5:15 pm-12:05 am

1 stop6h 50m

Pittsburgh

Thu 4/2

5:55 pm-11:55 pm

1 stop6h 00m

$291

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Mon 3/30

5:15 pm-12:05 am

1 stop6h 50m

Pittsburgh

Thu 4/2

2:25 pm-10:40 pm

2 stops8h 15m

$296

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Mon 3/30

2:00 pm-10:15 pm

2 stops8h 15m

Pittsburgh

Thu 4/2

2:25 pm-11:55 pm

2 stops9h 30m

$301

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Wed 12/24

3:40 pm-10:25 pm

1 stop6h 45m

Pittsburgh

Sun 12/28

5:50 am-11:55 am

1 stop6h 05m

$302

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Thu 12/25

10:38 am-4:51 pm

1 stop6h 13m

Pittsburgh

Mon 12/29

5:54 pm-11:25 am

1 stop17h 31m

$327

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 $195. 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 $241. 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 $189. Flights to Pittsburgh are more costly at noon, with an average ticket price of $224. 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

Direct flights	None

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. 5h 20m 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 November 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 4,251 reviews		Search Southwest flights

Washington

Monroeville

Wheeling

Butler

Canonsburg

Belle Vernon

Triadelphia

New Castle

West Mifflin

Steubenville

Moon

Coraopolis

Wexford

Mars

Cadiz

Freeport

Chester

Bridgeport

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.