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 49% 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 September 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.

$119 Cheap Flights from Islip, New York to Pittsburgh in 2026/27

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.

4:20 pm - 10:10 pmISP Islip Long Island-PIT Pittsburgh

5h 50m1 stop Baltimore/Washington

6:00 pm - 11:40 pmPIT Pittsburgh-ISP Islip Long Island

5h 40m1 stop Baltimore/Washington

$217Southwest

Tue, Oct 27 - Thu, Oct 29

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

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

12:20 pm - 4:15 pmPIT Pittsburgh-ISP Islip Long Island

3h 55m1 stop Baltimore/Washington

$222Southwest

Mon, Nov 2 - Tue, Nov 3

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

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

7:15 am - 4:15 pmPIT Pittsburgh-ISP Islip Long Island

9h 00m2 stops Tampa Baltimore/Washington

$227Southwest

Mon, Nov 2 - Tue, Nov 3

12:50 pm - 9:20 pmISP Islip Long Island-PIT Pittsburgh

8h 30m2 stops Baltimore/Washington Tampa

6:00 pm - 11:40 pmPIT Pittsburgh-ISP Islip Long Island

5h 40m1 stop Baltimore/Washington

$277Southwest

Tue, Oct 27 - Thu, Oct 29

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

4h 10m1 stop Baltimore/Washington

11:40 am - 5:20 pmPIT Pittsburgh-ISP Islip Long Island

5h 40m1 stop Baltimore/Washington

$279Southwest

Sat, Oct 24 - Sat, Oct 31

5:35 am - 11:50 amISP Islip Long Island-PIT Pittsburgh

6h 15m1 stop Baltimore/Washington

12:20 pm - 4:15 pmPIT Pittsburgh-ISP Islip Long Island

3h 55m1 stop Baltimore/Washington

$279Southwest

Mon, Nov 2 - Tue, Nov 3

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

4h 10m1 stop Baltimore/Washington

7:20 am - 5:20 pmPIT Pittsburgh-ISP Islip Long Island

10h 00m2 stops Tampa Baltimore/Washington

$284Southwest

Sat, Oct 24 - Sat, Oct 31

11:13 am - 6:47 pmISP Islip Long Island-PIT Pittsburgh

7h 34m1 stop Myrtle Beach Intl

8:54 pm - 2:22 pmPIT Pittsburgh-ISP Islip Long Island

17h 28m1 stop Raleigh-Durham

$287Breeze Airways

Fri, Feb 5 - Sun, Feb 7

4:20 pm - 11:05 pmISP Islip Long Island-PIT Pittsburgh

6h 45m1 stop Orlando

9:55 am - 3:45 pmPIT Pittsburgh-ISP Islip Long Island

5h 50m1 stop Baltimore/Washington

$294Southwest

Tue, Oct 20 - Wed, Oct 21

6:55 pm - 6:56 pmISP Islip Long Island-PIT Pittsburgh

24h 01m1 stop Orlando

7:51 pm - 6:00 pmPIT Pittsburgh-ISP Islip Long Island

22h 09m1 stop Orlando

$309Frontier

Mon, Oct 12 - Thu, Oct 15

Cheap last minute 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

$597Frontier

Fri, Oct 2 - Sun, Oct 4

5:40 pm - 11:30 pmISP Islip Long Island-PIT Pittsburgh

5h 50m1 stop Baltimore/Washington

5:40 am - 11:40 amPIT Pittsburgh-ISP Islip Long Island

6h 00m1 stop Orlando

$681Southwest

Thu, Oct 1 - Sat, Oct 3

5:40 pm - 11:30 pmISP Islip Long Island-PIT Pittsburgh

5h 50m1 stop Baltimore/Washington

1:05 pm - 9:45 pmPIT Pittsburgh-ISP Islip Long Island

8h 40m2 stops Orlando Baltimore/Washington

$686Southwest

Thu, Oct 1 - Sat, Oct 3

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

9h 05m2 stops Baltimore/Washington Tampa

12:20 pm - 9:45 pmPIT Pittsburgh-ISP Islip Long Island

9h 25m2 stops Lambert-St Louis Baltimore/Washington

$691Southwest

Thu, Oct 1 - Sat, Oct 3

3:02 pm - 8:14 pmISP Islip Long Island-PIT Pittsburgh

5h 12m1 stop Raleigh-Durham

11:10 am - 2:22 pmPIT Pittsburgh-ISP Islip Long Island

27h 12m2 stops Vero Beach Raleigh-Durham

$718Breeze Airways

Fri, Oct 2 - Sun, Oct 4

6:00 am - 3:40 pmISP Islip Long Island-PIT Pittsburgh

9h 40m2 stops Baltimore/Washington Chicago Midway

3:55 pm - 11:40 pmPIT Pittsburgh-ISP Islip Long Island

7h 45m2 stops Orlando Baltimore/Washington

$773Southwest

Fri, Oct 2 - Sun, Oct 4

7:45 pm - 12:45 pmISP Islip Long Island-PIT Pittsburgh

17h 00m1 stop Norfolk

8:54 pm - 11:20 amPIT Pittsburgh-ISP Islip Long Island

14h 26m1 stop Raleigh-Durham

$808Breeze Airways

Sun, Oct 4 - Fri, Oct 9

7:45 pm - 12:45 pmISP Islip Long Island-PIT Pittsburgh

17h 00m1 stop Norfolk

8:54 pm - 11:20 amPIT Pittsburgh-ISP Islip Long Island

14h 26m1 stop Raleigh-Durham

$833Breeze Airways

Sun, Oct 4 - Mon, Oct 12

7:45 pm - 12:45 pmISP Islip Long Island-PIT Pittsburgh

17h 00m1 stop Norfolk

10:15 am - 2:45 pmPIT Pittsburgh-ISP Islip Long Island

28h 30m1 stop Vero Beach

$834Breeze Airways

Sun, Oct 4 - Tue, Oct 6

3:02 pm - 8:14 pmISP Islip Long Island-PIT Pittsburgh

5h 12m1 stop Raleigh-Durham

8:54 pm - 11:20 amPIT Pittsburgh-ISP Islip Long Island

14h 26m1 stop Raleigh-Durham

$848Breeze Airways

Mon, Oct 5 - Fri, Oct 9

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Southwest flights from Islip, New York to Pittsburgh

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

Southwest

Oct 27

ISP4:20 pmIslip Long Island

5h 50m

1 stop

PIT10:10 pmPittsburgh

Oct 29

PIT6:00 pmPittsburgh

5h 40m

1 stop

ISP11:40 pmIslip Long Island

$217

Southwest

Nov 2

ISP1:35 pmIslip Long Island

10h 50m

2 stops

PIT12:25 amPittsburgh

Nov 3

PIT12:20 pmPittsburgh

3h 55m

1 stop

ISP4:15 pmIslip Long Island

$222

Southwest

Nov 2

ISP1:35 pmIslip Long Island

10h 50m

2 stops

PIT12:25 amPittsburgh

Nov 3

PIT7:15 amPittsburgh

9h 00m

2 stops

ISP4:15 pmIslip Long Island

$227

Breeze Airways flights from Islip, New York to Pittsburgh

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

Breeze Airways

Feb 5

ISP11:13 amIslip Long Island

7h 34m

1 stop

PIT6:47 pmPittsburgh

Feb 7

PIT8:54 pmPittsburgh

17h 28m

1 stop

ISP2:22 pmIslip Long Island

$287

Breeze Airways

Dec 18

ISP3:02 pmIslip Long Island

5h 12m

1 stop

PIT8:14 pmPittsburgh

Dec 20

PIT7:13 pmPittsburgh

13h 46m

1 stop

ISP8:59 amIslip Long Island

$406

Breeze Airways

Feb 19

ISP11:13 amIslip Long Island

7h 34m

1 stop

PIT6:47 pmPittsburgh

Feb 21

PIT8:54 pmPittsburgh

17h 28m

1 stop

ISP2:22 pmIslip Long Island

$549

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

Tue 10/27

4:20 pm-10:10 pm

1 stop5h 50m

Pittsburgh

Thu 10/29

6:00 pm-11:40 pm

1 stop5h 40m

$217

IslipPittsburgh

ISP Islip Long Island - PIT Pittsburgh

ISPPIT

Islip Long Island

Mon 11/2

1:35 pm-12:25 am

2 stops10h 50m

Pittsburgh

Tue 11/3

12:20 pm-4:15 pm

1 stop3h 55m

$222

IslipPittsburgh

ISP Islip Long Island - PIT Pittsburgh

ISPPIT

Islip Long Island

Mon 11/2

1:35 pm-12:25 am

2 stops10h 50m

Pittsburgh

Tue 11/3

7:15 am-4:15 pm

2 stops9h 00m

$227

IslipPittsburgh

ISP Islip Long Island - PIT Pittsburgh

ISPPIT

Islip Long Island

Tue 10/27

12:50 pm-9:20 pm

2 stops8h 30m

Pittsburgh

Thu 10/29

6:00 pm-11:40 pm

1 stop5h 40m

$277

Quickest round-trip

IslipPittsburgh

ISP Islip Long Island - PIT Pittsburgh

ISPPIT

Islip Long Island

Sat 10/24

12:20 pm-4:30 pm

1 stop4h 10m

Pittsburgh

Sat 10/31

11:40 am-5:20 pm

1 stop5h 40m

$279

IslipPittsburgh

ISP Islip Long Island - PIT Pittsburgh

ISPPIT

Islip Long Island

Mon 11/2

5:35 am-11:50 am

1 stop6h 15m

Pittsburgh

Tue 11/3

12:20 pm-4:15 pm

1 stop3h 55m

$279

IslipPittsburgh

ISP Islip Long Island - PIT Pittsburgh

ISPPIT

Islip Long Island

Sat 10/24

12:20 pm-4:30 pm

1 stop4h 10m

Pittsburgh

Sat 10/31

7:20 am-5:20 pm

2 stops10h 00m

$284

IslipPittsburgh

ISP Islip Long Island - PIT Pittsburgh

ISPPIT

Islip Long Island

Fri 2/5

11:13 am-6:47 pm

1 stop7h 34m

Pittsburgh

Sun 2/7

8:54 pm-2:22 pm

1 stop17h 28m

$287

IslipPittsburgh

ISP Islip Long Island - PIT Pittsburgh

ISPPIT

Islip Long Island

Tue 10/20

4:20 pm-11:05 pm

1 stop6h 45m

Pittsburgh

Wed 10/21

9:55 am-3:45 pm

1 stop5h 50m

$294

IslipPittsburgh

ISP Islip Long Island - PIT Pittsburgh

ISPPIT

Islip Long Island

Mon 10/12

6:55 pm-6:56 pm

1 stop24h 01m

Pittsburgh

Thu 10/15

7:51 pm-6:00 pm

1 stop22h 09m

$309

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 Wednesday when prices can be found for as low as $260. 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 $349. 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 $252. Flights to Pittsburgh are more costly in the afternoon, with an average ticket price of $305. 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	$119
Fastest flight time	3h 55m
Direct flights	None

The best one-way flight to Pittsburgh from Islip, New York in the past 72 hours is $119. The best round-trip flight deal from Islip, New York to Pittsburgh found on momondo in the last 72 hours is $217.

The fastest flight from Islip, New York to Pittsburgh takes 3h 55m

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. 3h 55m 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 September 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 4,202 reviews		Search Southwest flights

Washington

Monroeville

Wheeling

Butler

Canonsburg

New Castle

West Mifflin

Moon

Belle Vernon

Coraopolis

Triadelphia

Steubenville

Mars

Bridgeport

Wexford

Cadiz

Chester

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.