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$212+ Cheap flights from Islip, NY to Pittsburgh (ISP - PIT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — PIT
jul. 1 — jul. 81
mar. 7/1
mar. 7/8
1 adult, Economy
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Cheap flight deals from Islip to Pittsburgh

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Pittsburgh (PIT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated junio 26, 2025.

Round-trip from

$212
(Southwest)

Popular in

January

Cheapest in

July

Average price

$326
From Islip Long Island to Pittsburgh
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($134 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
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Find flight deals from Islip to Pittsburgh

Cheapest flights from Islip to Pittsburgh
Explore the most affordable flight options available from Islip to Pittsburgh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 26, 2025.

This Southwest deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/123:05 pmISP - PIT
1 stop3h 00mSouthwest
lun. 9/155:35 amPIT - ISP
1 stop6h 25mSouthwest
Deal found 6/25$212
This FlightHub deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/288:21 pmISP - PIT
1 stop12h 44mFrontier
lun. 6/306:50 pmPIT - ISP
1 stop24h 46mFrontier
Deal found 6/26$337
This Gotogate deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/107:39 pmISP - PIT
1 stop16h 41mMultiple Airlines
lun. 7/148:33 pmPIT - ISP
1 stop25h 25mMultiple Airlines
Deal found 6/24$416
This Mytrip deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/1110:36 amISP - PIT
1 stop22h 08mBreeze Airways
mar. 7/159:08 pmPIT - ISP
1 stop16h 24mBreeze Airways
Deal found 6/25$510

Cheapflights Fare Finder

Customize your flight search to find flights from Islip to Pittsburgh that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated junio 26, 2025.
Use the filters below to find and compare flights from Islip to Pittsburgh that are best for you.

Fly from

Islip

Fly to

Pittsburgh

Route

Depart

Return

Price

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

vie. 9/12

3:05 pm-6:05 pm

1 stop3h 00m

Pittsburgh

lun. 9/15

5:35 am-12:00 pm

1 stop6h 25m

$212

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

jue. 7/17

6:00 am-2:29 pm

2 stops8h 29m

Pittsburgh

vie. 7/18

3:49 pm-10:59 pm

2 stops7h 10m

$376

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

jue. 7/10

7:39 pm-12:20 pm

1 stop16h 41m

Pittsburgh

lun. 7/14

8:33 pm-9:58 pm

1 stop25h 25m

$416

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

vie. 7/11

10:36 am-8:44 am

1 stop22h 08m

Pittsburgh

mar. 7/15

9:08 pm-1:32 pm

1 stop16h 24m

$510

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

mié. 7/2

6:00 am-11:45 am

1 stop5h 45m

$220

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

vie. 7/4

8:00 am-3:04 pm

2 stops7h 04m

$287

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

mié. 7/2

2:55 pm-10:52 pm

3 stops31h 57m

$501

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/23

Best time to book a flight from Islip to Pittsburgh

Have a flexible travel schedule? Discover the best time to fly to Pittsburgh from Islip with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Islip to Pittsburgh

What is the cheapest month to book a flight from Islip, New York to Pittsburgh?

Currently, August is the cheapest month in which you can book a flight from Islip, New York to Pittsburgh (average of $262). Flying from Islip, New York to Pittsburgh in November is currently the most expensive (average of $333). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ISP to PIT?

Find hourly flight availability from Islip to Pittsburgh. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 26, 2025.

When flying from Islip, New York to Pittsburgh, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Islip, New York to Pittsburgh?

Reviews of airlines servicing Pittsburgh

Get insights into the airlines that provide service to Pittsburgh. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Pittsburgh. Reviews last updated junio 26, 2025.
Read through reviews of airlines operating flights from Islip to Pittsburgh, such as Breeze Airways, Southwest, and Frontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Breeze Airways
8.1
Very good
182 reviews

Comfort

8.2

Overall

8.1

Crew

8.8

Entertainment

6.6

Food

6.8

Boarding

8.4

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Breeze Airways
8.1
Very good
182 reviews
Breeze Airways
8.1
Very good
182 reviews

Comfort

8.2

Overall

8.1

Crew

8.8

Entertainment

6.6

Food

6.8

Boarding

8.4

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Southwest
8.0
Very good
4,276 reviews
Breeze Airways
8.1
Very good
182 reviews

Comfort

8.2

Overall

8.1

Crew

8.8

Entertainment

6.6

Food

6.8

Boarding

8.4

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Frontier
5.9
Fair
3,296 reviews
Breeze Airways
8.1
Very good
182 reviews

Comfort

8.2

Overall

8.1

Crew

8.8

Entertainment

6.6

Food

6.8

Boarding

8.4

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Related info for your journey

Find useful and relevant information for your journey from Islip to Pittsburgh. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Islip, New York to Pittsburgh round-trip?

    Southwest, at $212, was found to be the cheapest airline from Islip, New York to Pittsburgh.Alternate airlines to your destination round-trip include Frontier and Breeze Airways. Users have found that Southwest is 44% cheaper than the other options available to this destination.

  • Can I find deals for flights from Islip to Pittsburgh that include hotel bookings?

    Yes. In addition to deals on Islip to Pittsburgh flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Islip to Pittsburgh?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islip to Pittsburgh.

  • Can I find deals for business class flights from Islip to Pittsburgh?

    Yes. Cheapflights offers flight deals from Islip to Pittsburgh by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Islip, New York to Pittsburgh?

    Currently, August is the cheapest month in which you can book a flight from Islip, New York to Pittsburgh (average of $262). Flying from Islip, New York to Pittsburgh in November is currently the most expensive (average of $333). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Islip?

Book flights to Islip if you plan to visit one of these locations
Mars
Steubenville
Monroeville
Washington
Belle Vernon

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Alternative routes for Islip to Pittsburgh

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Islip to Pittsburgh

Discover the top airline that operate flights from Islip to Pittsburgh. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated junio 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$280Average$326FlexibilityNo cancel feeOn-time63%

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