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$130+ Cheap flights from Islip, NY to Pittsburgh (ISP - PIT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — PIT
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$208
(Southwest)

One-way from

$130
(Frontier)

Popular in

January

Cheapest in

July

Average price

$326
From Islip Long Island to Pittsburgh
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One-way flight from Islip Long Island to Pittsburgh
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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).
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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 June 12, 2025.

This Southwest deal was found by Cheapflights users on 6/10. 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.
Sat 9/1312:55 pmISP - PIT
1 stop7h 30mSouthwest
Sun 9/146:05 pmPIT - ISP
1 stop5h 45mSouthwest
Deal found 6/10$208
This Frontier deal was found by Cheapflights users on 6/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/226:45 amISP - PIT
2 stops9h 42mFrontier
Sun 8/248:56 pmPIT - ISP
1 stop11h 12mFrontier
Deal found 6/12$355
This KAYAK deal was found by Cheapflights users on 6/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/92:12 pmISP - PIT
1 stop18h 32mBreeze Airways
Tue 7/159:08 pmPIT - ISP
1 stop16h 24mBreeze Airways
Deal found 6/11$523
This Booking.com deal was found by Cheapflights users on 6/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/252:12 pmISP - PIT
1 stop18h 32mMultiple Airlines
Sun 6/299:50 amPIT - ISP
1 stop9h 46mMultiple Airlines
Deal found 6/10$526

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 June 12, 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

Sat 9/13

12:55 pm-8:25 pm

1 stop7h 30m

Pittsburgh

Sun 9/14

6:05 pm-11:50 pm

1 stop5h 45m

$208

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Fri 8/22

6:45 am-4:27 pm

2 stops9h 42m

Pittsburgh

Sun 8/24

8:56 pm-8:08 am

1 stop11h 12m

$355

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Wed 7/9

2:12 pm-8:44 am

1 stop18h 32m

Pittsburgh

Tue 7/15

9:08 pm-1:32 pm

1 stop16h 24m

$523

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Wed 6/25

2:12 pm-8:44 am

1 stop18h 32m

Pittsburgh

Sun 6/29

9:50 am-7:36 pm

1 stop9h 46m

$526

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Sun 9/14

11:27 am-7:56 pm

1 stop8h 29m

$130

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Mon 7/14

5:45 pm-11:40 pm

1 stop5h 55m

$141

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Sun 10/12

11:40 am-7:11 pm

2 stops7h 31m

$291

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Tue 7/15

1:55 pm-2:45 pm

3 stops24h 50m

$309

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 June 12, 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.

Rainfall in Pittsburgh by month

Plan your trip to Pittsburgh by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Pittsburgh ranges from 2.3 - 4.3 inches per month. June is typically the wettest month, when rainfall can reach 4.3 in. October is typically the driest time to visit Pittsburgh when rainfall is around 2.3 in.

Temperature in Pittsburgh by month

Plan your trip to Pittsburgh by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Pittsburgh, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

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 June 12, 2025.
Get a feel of what it's like to fly with Breeze Airways, Southwest and Frontier from Islip to Pittsburgh by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Breeze Airways
8.1
Very good
178 reviews

Boarding

8.3

Food

6.7

Crew

8.8

Comfort

8.2

Overall

8.1

Entertainment

6.6

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
178 reviews
Breeze Airways
8.1
Very good
178 reviews

Boarding

8.3

Food

6.7

Crew

8.8

Comfort

8.2

Overall

8.1

Entertainment

6.6

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
4,287 reviews
Breeze Airways
8.1
Very good
178 reviews

Boarding

8.3

Food

6.7

Crew

8.8

Comfort

8.2

Overall

8.1

Entertainment

6.6

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
3,295 reviews
Breeze Airways
8.1
Very good
178 reviews

Boarding

8.3

Food

6.7

Crew

8.8

Comfort

8.2

Overall

8.1

Entertainment

6.6

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 $208, 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 45% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Islip, New York to Pittsburgh one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $130. Southwest flights start at $141 while deals on Breeze Airways start at $291 one-way.

  • 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
Monroeville
Washington
Steubenville
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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$280Average$326FlexibilityNo cancel feeOn-time63%

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