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$175+ 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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — PIT
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
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 March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$255
(Southwest)

One-way from

$175
(Frontier)

Popular in

December

Cheapest in

October

Average price

$211
Provider with most accurate pricing for Islip Long Island-Pittsburgh flight deals.
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Provider most trusted by Cheapflights users for Islip Long Island-Pittsburgh flights.
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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. 10% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 26, 2025.

This Southwest deal was found by Cheapflights users on 3/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/226:10 amISP - PIT
1 stop6h 05mSouthwest
Wed 4/236:00 amPIT - ISP
1 stop3h 10mSouthwest
Deal found 3/24$255
This Mytrip deal was found by Cheapflights users on 3/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/210:44 amISP - PIT
2 stops30h 07mMultiple Airlines
Sun 5/47:00 amPIT - ISP
3 stops27h 04mMultiple Airlines
Deal found 3/24$597
This JetBlue deal was found by Cheapflights users on 3/24. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/86:00 amISP - PIT
1 stop7h 05mJetBlue
Sat 5/105:02 pmPIT - ISP
1 stop4h 26mJetBlue
Deal found 3/24$639
This KAYAK deal was found by Cheapflights users on 3/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/318:25 pmISP - PIT
1 stop15h 20mBreeze Airways
Thu 4/36:05 pmPIT - ISP
1 stop23h 54mBreeze Airways
Deal found 3/25$718

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 March 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

Tue 4/22

6:10 am-12:15 pm

1 stop6h 05m

Pittsburgh

Wed 4/23

6:00 am-9:10 am

1 stop3h 10m

$255

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Fri 5/2

10:44 am-4:51 pm

2 stops30h 07m

Pittsburgh

Sun 5/4

7:00 am-10:04 am

3 stops27h 04m

$597

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Thu 5/8

6:00 am-1:05 pm

1 stop7h 05m

Pittsburgh

Sat 5/10

5:02 pm-9:28 pm

1 stop4h 26m

$639

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Thu 4/17

10:50 am-8:38 am

2 stops21h 48m

Pittsburgh

Thu 4/24

6:05 pm-5:59 pm

1 stop23h 54m

$1,032

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Sun 4/13

8:04 pm-8:43 am

1 stop12h 39m

$175

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Mon 8/4

6:00 am-11:53 am

1 stop5h 53m

$206

IslipPittsburgh

ISP - PIT

ISPPIT

Islip Long Island

Mon 3/31

8:25 pm-11:45 am

1 stop15h 20m

$375

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Compare providers for flights from Islip to Pittsburgh

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Islip to Pittsburgh in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Islip, New York-Pittsburgh flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Islip, New York-Pittsburgh flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Islip, New York-Pittsburgh flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Islip, New York-Pittsburgh flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Islip, New York-Pittsburgh flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 March 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.

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 March 26, 2025.
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Breeze Airways
8.0
Very good
156 reviews
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
JetBlue
7.3
Good
2,922 reviews
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Frontier
6.0
Okay
3,272 reviews
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 $255, was found to be the cheapest airline from Islip, New York to Pittsburgh.Alternate airlines to your destination round-trip include JetBlue and Breeze Airways.

  • 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 $175. JetBlue flights start at $206 while deals on Breeze Airways start at $375 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 March 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$284Average$326FlexibilityNo cancel feeOn-time63%
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