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

JetBlue, 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 Spirit Airlines are the top three most popular airlines that fly to Pittsburgh from Islip according to our data. United Airlines is the first choice among our users, with 29% 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 October 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.

$130 Cheap Flights from Islip to Pittsburgh in 2025/26

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Find the cheapest flights from Islip to Pittsburgh

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 11:40 amISP-PIT

5h 40m1 stop

10:45 am - 3:20 pmPIT-ISP

4h 35m1 stop

$215Southwest

Find Deal

Sat, Nov 8 - Tue, Nov 11

11:55 am - 5:15 pmISP-PIT

5h 20m1 stop

5:30 am - 12:50 pmPIT-ISP

7h 20m1 stop

$219Southwest

Find Deal

Sat, Dec 6 - Sun, Dec 7

11:55 am - 7:50 pmISP-PIT

7h 55m2 stops

5:30 am - 12:50 pmPIT-ISP

7h 20m1 stop

$225Southwest

Find Deal

Sat, Dec 6 - Sun, Dec 7

8:47 pm - 7:46 amISP-PIT

10h 59m1 stop

5:44 pm - 11:39 amPIT-ISP

41h 55m2 stops

$230Multiple Airlines

Find Deal

Fri, Dec 5 - Sun, Jan 11

6:00 am - 11:40 amISP-PIT

5h 40m1 stop

5:30 am - 12:50 pmPIT-ISP

7h 20m1 stop

$235Southwest

Find Deal

Sat, Nov 8 - Mon, Nov 10

12:55 pm - 5:40 pmISP-PIT

4h 45m1 stop

6:30 am - 1:30 pmPIT-ISP

7h 00m1 stop

$258Southwest

Find Deal

Fri, Dec 5 - Sun, Jan 11

8:47 pm - 7:46 amISP-PIT

10h 59m1 stop

6:45 pm - 10:37 amPIT-ISP

15h 52m1 stop

$285Multiple Airlines

Find Deal

Fri, Oct 31 - Sun, Nov 2

2:25 pm - 7:15 pmISP-PIT

4h 50m1 stop

8:32 pm - 9:58 amPIT-ISP

13h 26m1 stop

$443Breeze Airways

Find Deal

Mon, Nov 10 - Mon, Nov 17

8:47 pm - 11:09 amISP-PIT

38h 22m3 stops

7:57 pm - 1:21 pmPIT-ISP

17h 24m2 stops

$689Breeze Airways

Find Deal

Fri, Dec 5 - Sun, Jan 11

1:50 pm - 10:48 pmISP-PIT

8h 58m1 stop

7:10 am - 3:40 pmPIT-ISP

8h 30m1 stop

$834JetBlue

Find Deal

Sat, Nov 8 - Sun, Nov 9

Southwest flights from Islip to Pittsburgh

Our best Southwest deals on Islip to Pittsburgh flight tickets

Southwest

Nov 8

ISP6:00 amIslip Long Island

5h 40m

1 stop

PIT11:40 amPittsburgh

Nov 11

PIT10:45 amPittsburgh

4h 35m

1 stop

ISP3:20 pmIslip Long Island

$215

Find similar

Southwest

Dec 6

ISP11:55 amIslip Long Island

5h 20m

1 stop

PIT5:15 pmPittsburgh

Dec 7

PIT5:30 amPittsburgh

7h 20m

1 stop

ISP12:50 pmIslip Long Island

$219

Find similar

Southwest

Dec 6

ISP11:55 amIslip Long Island

7h 55m

2 stops

PIT7:50 pmPittsburgh

Dec 7

PIT5:30 amPittsburgh

7h 20m

1 stop

ISP12:50 pmIslip Long Island

$225

Find similar

Breeze Airways flights from Islip to Pittsburgh

Our best Breeze Airways deals on Islip to Pittsburgh flight tickets

Breeze Airways

Nov 10

ISP2:25 pmIslip Long Island

4h 50m

1 stop

PIT7:15 pmPittsburgh

Nov 17

PIT8:32 pmPittsburgh

13h 26m

1 stop

ISP9:58 amIslip Long Island

$443

Find similar

Breeze Airways

Dec 5

ISP8:47 pmIslip Long Island

38h 22m

3 stops

PIT11:09 amPittsburgh

Jan 11

PIT7:57 pmPittsburgh

17h 24m

2 stops

ISP1:21 pmIslip Long Island

$689

Find similar

Breeze Airways

Oct 31

ISP8:47 pmIslip Long Island

40h 22m

3 stops

PIT1:09 pmPittsburgh

Nov 2

PIT5:46 pmPittsburgh

24h 42m

2 stops

ISP6:28 pmIslip Long Island

$713

Find similar

Fly from

Fly to

Route

Depart

Return

Price

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Sat 11/8

6:00 am-11:40 am

1 stop5h 40m

Pittsburgh

Tue 11/11

10:45 am-3:20 pm

1 stop4h 35m

$215

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Sat 12/6

11:55 am-5:15 pm

1 stop5h 20m

Pittsburgh

Sun 12/7

5:30 am-12:50 pm

1 stop7h 20m

$219

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Sat 12/6

11:55 am-7:50 pm

2 stops7h 55m

Pittsburgh

Sun 12/7

5:30 am-12:50 pm

1 stop7h 20m

$225

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Fri 12/5

8:47 pm-7:46 am

1 stop10h 59m

Pittsburgh

Sun 1/11

5:44 pm-11:39 am

2 stops41h 55m

$230

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Sat 11/8

6:00 am-11:40 am

1 stop5h 40m

Pittsburgh

Mon 11/10

5:30 am-12:50 pm

1 stop7h 20m

$235

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Fri 12/5

12:55 pm-5:40 pm

1 stop4h 45m

Pittsburgh

Sun 1/11

6:30 am-1:30 pm

1 stop7h 00m

$258

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Fri 10/31

8:47 pm-7:46 am

1 stop10h 59m

Pittsburgh

Sun 11/2

6:45 pm-10:37 am

1 stop15h 52m

$285

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Mon 11/10

2:25 pm-7:15 pm

1 stop4h 50m

Pittsburgh

Mon 11/17

8:32 pm-9:58 am

1 stop13h 26m

$443

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Fri 12/5

8:47 pm-11:09 am

3 stops38h 22m

Pittsburgh

Sun 1/11

7:57 pm-1:21 pm

2 stops17h 24m

$689

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Sat 11/8

1:50 pm-10:48 pm

1 stop8h 58m

Pittsburgh

Sun 11/9

7:10 am-3:40 pm

1 stop8h 30m

$834

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 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 $196. This is often the case because there is less demand to fly during this day of the week. Flights from Islip to Pittsburgh on a Sunday will generally be more expensive and average around $248. 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 to Pittsburgh flights are usually those with departure times in the afternoon. Our users have found flights to Pittsburgh in the afternoon for as low as $191. Flights to Pittsburgh are more costly at noon, with an average ticket price of $227. 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 to Pittsburgh

Are you open to changing your travel dates? Check out the ideal times to fly from Islip to Pittsburgh according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Islip to Pittsburgh (ISP to PIT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip to Pittsburgh

Direct flights	None

There are no direct flights from Islip to Pittsburgh. There are no popular flight routes from Islip to Pittsburgh.

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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 October 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 to Pittsburgh?
Based on momondo bookings for flights between Islip and Pittsburgh, the leading airline is Southwest, making up 100% of the total bookings.

Best airlines flying from Islip to Pittsburgh

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

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $183	Free Cancellation	Rating 8.0 4,238 reviews		Search Southwest flights

Washington

Monroeville

Wheeling

Butler

Canonsburg

West Mifflin

New Castle

Triadelphia

Belle Vernon

Steubenville

Moon

Coraopolis

Mars

Wexford

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.