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, Delta and American Airlines 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 47% 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 many operators does momondo search for flights from Islip Long Island Airport to Pittsburgh Airport?

As of August 2026, 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, New York to Pittsburgh in 2026

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.

5:43 pm - 1:47 pmISP Islip Long Island-PIT Pittsburgh

20h 04m1 stop Orlando

2:32 pm - 4:58 pmPIT Pittsburgh-ISP Islip Long Island

26h 26m1 stop Orlando

$163Frontier

Thu, Oct 1 - Mon, Oct 5

3:10 pm - 12:15 amISP Islip Long Island-PIT Pittsburgh

9h 05m2 stops Baltimore/Washington Tampa

5:50 am - 11:45 amPIT Pittsburgh-ISP Islip Long Island

5h 55m1 stop Baltimore/Washington

$206Southwest

Thu, Oct 1 - Mon, Oct 5

12:25 pm - 7:15 pmISP Islip Long Island-PIT Pittsburgh

6h 50m1 stop Baltimore/Washington

5:35 am - 12:05 pmPIT Pittsburgh-ISP Islip Long Island

6h 30m1 stop Baltimore/Washington

$216Southwest

Fri, Nov 6 - Sat, Nov 7

1:35 pm - 9:50 pmISP Islip Long Island-PIT Pittsburgh

8h 15m2 stops West Palm Beach President Donald J. Trump Intl Orlando

3:50 pm - 9:45 pmPIT Pittsburgh-ISP Islip Long Island

5h 55m1 stop Baltimore/Washington

$216Southwest

Fri, Nov 6 - Sat, Nov 7

1:35 pm - 12:25 amISP Islip Long Island-PIT Pittsburgh

10h 50m2 stops West Palm Beach President Donald J. Trump Intl Orlando

1:10 pm - 9:45 pmPIT Pittsburgh-ISP Islip Long Island

8h 35m2 stops Lambert-St Louis Baltimore/Washington

$221Southwest

Fri, Nov 6 - Sat, Nov 7

5:43 pm - 1:47 pmISP Islip Long Island-PIT Pittsburgh

20h 04m1 stop Orlando

2:42 pm - 4:58 pmPIT Pittsburgh-ISP Islip Long Island

26h 16m1 stop Orlando

$241Frontier

Sun, Sep 13 - Tue, Sep 15

3:10 pm - 12:15 amISP Islip Long Island-PIT Pittsburgh

9h 05m2 stops Baltimore/Washington Tampa

2:15 pm - 11:35 pmPIT Pittsburgh-ISP Islip Long Island

9h 20m2 stops Dallas Love Field Baltimore/Washington

$271Southwest

Thu, Oct 1 - Mon, Oct 5

5:00 pm - 11:15 pmISP Islip Long Island-PIT Pittsburgh

6h 15m1 stop Orlando

5:35 am - 9:40 amPIT Pittsburgh-ISP Islip Long Island

4h 05m1 stop Baltimore/Washington

$286Southwest

Thu, Sep 24 - Fri, Sep 25

12:20 pm - 4:30 pmISP Islip Long Island-PIT Pittsburgh

4h 10m1 stop Baltimore/Washington

6:00 am - 10:20 amPIT Pittsburgh-ISP Islip Long Island

4h 20m1 stop Baltimore/Washington

$294Southwest

Sat, Oct 17 - Sun, Oct 18

12:20 pm - 4:30 pmISP Islip Long Island-PIT Pittsburgh

4h 10m1 stop Baltimore/Washington

4:10 pm - 11:50 pmPIT Pittsburgh-ISP Islip Long Island

7h 40m2 stops Sarasota Bradenton Intl Orlando

$309Southwest

Sat, Oct 17 - Sun, Oct 18

Cheap last minute flights

Enter your travel dates to find the best prices.

10:57 am - 6:15 pmISP Islip Long Island-PIT Pittsburgh

7h 18m1 stop Orlando

7:10 pm - 6:14 pmPIT Pittsburgh-ISP Islip Long Island

23h 04m1 stop Orlando

$350Frontier

Mon, Aug 31 - Fri, Sep 4

10:57 am - 6:15 pmISP Islip Long Island-PIT Pittsburgh

7h 18m1 stop Orlando

7:10 pm - 6:14 pmPIT Pittsburgh-ISP Islip Long Island

23h 04m1 stop Orlando

$370Frontier

Fri, Aug 28 - Sun, Aug 30

10:57 am - 6:15 pmISP Islip Long Island-PIT Pittsburgh

7h 18m1 stop Orlando

7:10 pm - 6:14 pmPIT Pittsburgh-ISP Islip Long Island

23h 04m1 stop Orlando

$370Frontier

Sat, Aug 29 - Sun, Aug 30

7:49 pm - 12:48 pmISP Islip Long Island-PIT Pittsburgh

16h 59m1 stop Norfolk

5:49 pm - 11:17 amPIT Pittsburgh-ISP Islip Long Island

17h 28m1 stop Raleigh-Durham

$501Breeze Airways

Sun, Aug 30 - Tue, Sep 1

7:49 pm - 12:48 pmISP Islip Long Island-PIT Pittsburgh

16h 59m1 stop Norfolk

5:49 pm - 9:53 amPIT Pittsburgh-ISP Islip Long Island

16h 04m2 stops Raleigh-Durham Orlando

$506Multiple Airlines

Sun, Aug 30 - Tue, Sep 1

1:00 pm - 7:39 pmISP Islip Long Island-PIT Pittsburgh

6h 39m1 stop Myrtle Beach Intl

7:10 pm - 5:29 pmPIT Pittsburgh-ISP Islip Long Island

22h 19m2 stops Orlando Myrtle Beach Intl

$557Multiple Airlines

Mon, Aug 31 - Fri, Sep 4

1:15 pm - 11:10 pmISP Islip Long Island-PIT Pittsburgh

9h 55m2 stops West Palm Beach President Donald J. Trump Intl Orlando

1:50 pm - 10:10 pmPIT Pittsburgh-ISP Islip Long Island

8h 20m2 stops Atlanta Hartsfield-Jackson Baltimore/Washington

$589Southwest

Mon, Aug 31 - Fri, Sep 4

6:20 am - 2:30 pmISP Islip Long Island-PIT Pittsburgh

8h 10m2 stops Baltimore/Washington Tampa

2:00 pm - 9:05 pmPIT Pittsburgh-ISP Islip Long Island

7h 05m2 stops Chicago Midway Baltimore/Washington

$589Southwest

Sun, Aug 30 - Tue, Sep 1

6:45 am - 1:25 pmISP Islip Long Island-PIT Pittsburgh

6h 40m1 stop Orlando

6:10 am - 10:15 amPIT Pittsburgh-ISP Islip Long Island

4h 05m1 stop Baltimore/Washington

$613Southwest

Mon, Aug 31 - Tue, Sep 1

2:33 pm - 8:50 amISP Islip Long Island-PIT Pittsburgh

18h 17m2 stops Charleston Providence-TFGreen

7:10 pm - 9:53 amPIT Pittsburgh-ISP Islip Long Island

14h 43m1 stop Orlando

$732Multiple Airlines

Sat, Aug 29 - Sun, Aug 30

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Frontier flights from Islip, New York to Pittsburgh

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

Frontier

Oct 1

ISP5:43 pmIslip Long Island

20h 04m

1 stop

PIT1:47 pmPittsburgh

Oct 5

PIT2:32 pmPittsburgh

26h 26m

1 stop

ISP4:58 pmIslip Long Island

$163

Frontier

Sep 13

ISP5:43 pmIslip Long Island

20h 04m

1 stop

PIT1:47 pmPittsburgh

Sep 15

PIT2:42 pmPittsburgh

26h 16m

1 stop

ISP4:58 pmIslip Long Island

$241

Frontier

Aug 31

ISP10:57 amIslip Long Island

7h 18m

1 stop

PIT6:15 pmPittsburgh

Sep 4

PIT7:10 pmPittsburgh

23h 04m

1 stop

ISP6:14 pmIslip Long Island

$350

Southwest flights from Islip, New York to Pittsburgh

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

Southwest

Oct 1

ISP3:10 pmIslip Long Island

9h 05m

2 stops

PIT12:15 amPittsburgh

Oct 5

PIT5:50 amPittsburgh

5h 55m

1 stop

ISP11:45 amIslip Long Island

$206

Southwest

Nov 6

ISP12:25 pmIslip Long Island

6h 50m

1 stop

PIT7:15 pmPittsburgh

Nov 7

PIT5:35 amPittsburgh

6h 30m

1 stop

ISP12:05 pmIslip Long Island

$216

Southwest

Nov 6

ISP1:35 pmIslip Long Island

10h 50m

2 stops

PIT12:25 amPittsburgh

Nov 7

PIT1:10 pmPittsburgh

8h 35m

2 stops

ISP9:45 pmIslip Long Island

$221

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 Islip Long Island - PIT Pittsburgh

ISPPIT

Islip Long Island

Thu 10/1

5:43 pm-1:47 pm

1 stop20h 04m

Pittsburgh

Mon 10/5

2:32 pm-4:58 pm

1 stop26h 26m

$163

IslipPittsburgh

ISP Islip Long Island - PIT Pittsburgh

ISPPIT

Islip Long Island

Thu 10/1

3:10 pm-12:15 am

2 stops9h 05m

Pittsburgh

Mon 10/5

5:50 am-11:45 am

1 stop5h 55m

$206

IslipPittsburgh

ISP Islip Long Island - PIT Pittsburgh

ISPPIT

Islip Long Island

Fri 11/6

12:25 pm-7:15 pm

1 stop6h 50m

Pittsburgh

Sat 11/7

5:35 am-12:05 pm

1 stop6h 30m

$216

IslipPittsburgh

ISP Islip Long Island - PIT Pittsburgh

ISPPIT

Islip Long Island

Fri 11/6

1:35 pm-9:50 pm

2 stops8h 15m

Pittsburgh

Sat 11/7

3:50 pm-9:45 pm

1 stop5h 55m

$216

IslipPittsburgh

ISP Islip Long Island - PIT Pittsburgh

ISPPIT

Islip Long Island

Fri 11/6

1:35 pm-12:25 am

2 stops10h 50m

Pittsburgh

Sat 11/7

1:10 pm-9:45 pm

2 stops8h 35m

$221

IslipPittsburgh

ISP Islip Long Island - PIT Pittsburgh

ISPPIT

Islip Long Island

Sun 9/13

5:43 pm-1:47 pm

1 stop20h 04m

Pittsburgh

Tue 9/15

2:42 pm-4:58 pm

1 stop26h 16m

$241

IslipPittsburgh

ISP Islip Long Island - PIT Pittsburgh

ISPPIT

Islip Long Island

Thu 10/1

3:10 pm-12:15 am

2 stops9h 05m

Pittsburgh

Mon 10/5

2:15 pm-11:35 pm

2 stops9h 20m

$271

IslipPittsburgh

ISP Islip Long Island - PIT Pittsburgh

ISPPIT

Islip Long Island

Thu 9/24

5:00 pm-11:15 pm

1 stop6h 15m

Pittsburgh

Fri 9/25

5:35 am-9:40 am

1 stop4h 05m

$286

Quickest round-trip

IslipPittsburgh

ISP Islip Long Island - PIT Pittsburgh

ISPPIT

Islip Long Island

Sat 10/17

12:20 pm-4:30 pm

1 stop4h 10m

Pittsburgh

Sun 10/18

6:00 am-10:20 am

1 stop4h 20m

$294

IslipPittsburgh

ISP Islip Long Island - PIT Pittsburgh

ISPPIT

Islip Long Island

Sat 10/17

12:20 pm-4:30 pm

1 stop4h 10m

Pittsburgh

Sun 10/18

4:10 pm-11:50 pm

2 stops7h 40m

$309

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 $241. 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 Monday will generally be more expensive and average around $308. 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 $234. Flights to Pittsburgh are more costly in the afternoon, with an average ticket price of $282. Departure times in the afternoon 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

Best Price Found	$92
Fastest flight time	4h 10m
Direct flights	None

The best one-way flight to Pittsburgh from Islip, New York in the past 72 hours is $92. The best round-trip flight deal from Islip, New York to Pittsburgh found on momondo in the last 72 hours is $163.

The fastest flight from Islip, New York to Pittsburgh takes 4h 10m

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

Frequently asked questions about flying from Islip, New York to Pittsburgh

How far is Islip Long Island to Pittsburgh by plane?
There are 356.3 mi between Islip Long Island and Pittsburgh. 4h 10m 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 August 2026, 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 $240	Free Cancellation	Rating 8.0 4,204 reviews		Search Southwest flights

Washington

Monroeville

Wheeling

Butler

Canonsburg

New Castle

Belle Vernon

Moon

West Mifflin

Triadelphia

Coraopolis

Steubenville

Mars

Cadiz

Bridgeport

Chester

Wexford

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.