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

Southwest, Breeze Airways, and JetBlue 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 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.

$94 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.

5:40 am - 11:50 amISP-PIT

6h 10m1 stop

5:45 am - 12:15 pmPIT-ISP

6h 30m1 stop

$215Southwest

Find Deal

Fri, Dec 5 - Mon, Dec 8

2:10 pm - 10:30 pmISP-PIT

8h 20m2 stops

6:10 am - 11:55 amPIT-ISP

5h 45m1 stop

$220Southwest

Find Deal

Thu, Feb 5 - Sun, Feb 8

6:27 pm - 9:20 amISP-PIT

14h 53m1 stop

8:38 pm - 8:02 amPIT-ISP

35h 24m2 stops

$244Multiple Airlines

Find Deal

Tue, Nov 18 - Sat, Nov 22

5:55 am - 3:45 pmISP-PIT

9h 50m2 stops

12:30 pm - 9:55 pmPIT-ISP

9h 25m2 stops

$259Southwest

Find Deal

Thu, Feb 5 - Sun, Feb 8

6:27 pm - 9:20 amISP-PIT

14h 53m1 stop

8:16 am - 10:09 amPIT-ISP

25h 53m1 stop

$260Multiple Airlines

Find Deal

Tue, Nov 18 - Sat, Nov 22

5:40 am - 11:50 amISP-PIT

6h 10m1 stop

1:10 pm - 9:40 pmPIT-ISP

8h 30m2 stops

$262Southwest

Find Deal

Fri, Dec 5 - Mon, Dec 8

11:32 am - 8:19 amISP-PIT

20h 47m1 stop

9:14 am - 9:07 amPIT-ISP

47h 53m2 stops

$292Multiple Airlines

Find Deal

Fri, Nov 21 - Tue, Nov 25

6:35 pm - 7:15 pmISP-PIT

24h 40m2 stops

1:31 pm - 6:56 pmPIT-ISP

5h 25m1 stop

$386Breeze Airways

Find Deal

Sun, Nov 16 - Thu, Nov 20

12:00 pm - 8:46 amISP-PIT

20h 46m2 stops

1:31 pm - 6:56 pmPIT-ISP

5h 25m1 stop

$414Breeze Airways

Find Deal

Wed, Nov 19 - Thu, Nov 20

11:55 am - 7:54 pmISP-PIT

31h 59m3 stops

8:07 pm - 1:31 pmPIT-ISP

17h 24m2 stops

$687Breeze Airways

Find Deal

Thu, Feb 5 - Sun, Feb 8

Southwest flights from Islip, New York to Pittsburgh

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

Southwest

Dec 5

ISP5:40 amIslip Long Island

6h 10m

1 stop

PIT11:50 amPittsburgh

Dec 8

PIT5:45 amPittsburgh

6h 30m

1 stop

ISP12:15 pmIslip Long Island

$215

Find similar

Southwest

Feb 5

ISP2:10 pmIslip Long Island

8h 20m

2 stops

PIT10:30 pmPittsburgh

Feb 8

PIT6:10 amPittsburgh

5h 45m

1 stop

ISP11:55 amIslip Long Island

$220

Find similar

Southwest

Feb 5

ISP5:55 amIslip Long Island

9h 50m

2 stops

PIT3:45 pmPittsburgh

Feb 8

PIT12:30 pmPittsburgh

9h 25m

2 stops

ISP9:55 pmIslip Long Island

$259

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

Nov 16

ISP6:35 pmIslip Long Island

24h 40m

2 stops

PIT7:15 pmPittsburgh

Nov 20

PIT1:31 pmPittsburgh

5h 25m

1 stop

ISP6:56 pmIslip Long Island

$386

Find similar

Breeze Airways

Nov 19

ISP12:00 pmIslip Long Island

20h 46m

2 stops

PIT8:46 amPittsburgh

Nov 20

PIT1:31 pmPittsburgh

5h 25m

1 stop

ISP6:56 pmIslip Long Island

$414

Find similar

Breeze Airways

Feb 5

ISP11:55 amIslip Long Island

31h 59m

3 stops

PIT7:54 pmPittsburgh

Feb 8

PIT8:07 pmPittsburgh

17h 24m

2 stops

ISP1:31 pmIslip Long Island

$687

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

Fri 12/5

5:40 am-11:50 am

1 stop6h 10m

Pittsburgh

Mon 12/8

5:45 am-12:15 pm

1 stop6h 30m

$215

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Thu 2/5

2:10 pm-10:30 pm

2 stops8h 20m

Pittsburgh

Sun 2/8

6:10 am-11:55 am

1 stop5h 45m

$220

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Tue 11/18

6:27 pm-9:20 am

1 stop14h 53m

Pittsburgh

Sat 11/22

8:38 pm-8:02 am

2 stops35h 24m

$244

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Thu 2/5

5:55 am-3:45 pm

2 stops9h 50m

Pittsburgh

Sun 2/8

12:30 pm-9:55 pm

2 stops9h 25m

$259

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Tue 11/18

6:27 pm-9:20 am

1 stop14h 53m

Pittsburgh

Sat 11/22

8:16 am-10:09 am

1 stop25h 53m

$260

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Fri 12/5

5:40 am-11:50 am

1 stop6h 10m

Pittsburgh

Mon 12/8

1:10 pm-9:40 pm

2 stops8h 30m

$262

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Fri 11/21

11:32 am-8:19 am

1 stop20h 47m

Pittsburgh

Tue 11/25

9:14 am-9:07 am

2 stops47h 53m

$292

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Sun 11/16

6:35 pm-7:15 pm

2 stops24h 40m

Pittsburgh

Thu 11/20

1:31 pm-6:56 pm

1 stop5h 25m

$386

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Wed 11/19

12:00 pm-8:46 am

2 stops20h 46m

Pittsburgh

Thu 11/20

1:31 pm-6:56 pm

1 stop5h 25m

$414

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Thu 2/5

11:55 am-7:54 pm

3 stops31h 59m

Pittsburgh

Sun 2/8

8:07 pm-1:31 pm

2 stops17h 24m

$687

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. 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 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 4,241 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.