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$99+ Cheap flights from Pittsburgh to Islip, NY (PIT - ISP)

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 6/13. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — ISP
May 25 — Jun 11
Sun 5/25
Sun 6/1
1 adult, Economy
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Cheap flight deals from Pittsburgh to Islip

Discover tips and strategies to find the most affordable flight options for your journey from Pittsburgh (PIT) to Islip (ISP). 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 May 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$214
(Booking.com)

One-way from

$99
(Southwest)

Popular in

November

Cheapest in

April

Average price

$160
Provider with most accurate pricing for Pittsburgh-Islip Long Island flight deals.
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Provider most trusted by Cheapflights users for Pittsburgh-Islip Long Island flights.
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From Pittsburgh to Islip Long Island
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One-way flight from Pittsburgh to Islip Long Island
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Highest demand for flights based on searches. 13% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find flight deals from Pittsburgh to Islip

Cheapest flights from Pittsburgh to Islip
Explore the most affordable flight options available from Pittsburgh to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 20, 2025.

This Booking.com deal was found by Cheapflights users on 5/20. 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.
Fri 6/66:50 pmPIT - ISP
1 stop25h 30mFrontier
Sun 6/88:26 pmISP - PIT
1 stop21h 34mFrontier
Deal found 5/20$214
This Southwest deal was found by Cheapflights users on 5/20. 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.
Fri 7/256:05 pmPIT - ISP
1 stop6h 00mSouthwest
Mon 7/285:45 pmISP - PIT
1 stop5h 55mSouthwest
Deal found 5/20$271
This FlightHub deal was found by Cheapflights users on 5/19. 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.
Fri 6/276:50 pmPIT - ISP
1 stop24h 46mMultiple Airlines
Sun 6/297:39 pmISP - PIT
2 stops13h 07mMultiple Airlines
Deal found 5/19$419
This KAYAK deal was found by Cheapflights users on 5/20. 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.
Fri 8/159:26 amPIT - ISP
1 stop5h 53mBreeze Airways
Sun 8/177:39 pmISP - PIT
2 stops13h 07mBreeze Airways
Deal found 5/20$541

Cheapflights Fare Finder

Customize your flight search to find flights from Pittsburgh to Islip 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 May 20, 2025.
Use the filters below to find and compare flights from Pittsburgh to Islip that are best for you.

Fly from

Pittsburgh

Fly to

Islip

Route

Depart

Return

Price

PittsburghIslip

PIT - ISP

PITISP

Pittsburgh

Fri 6/6

6:50 pm-8:20 pm

1 stop25h 30m

Islip Long Island

Sun 6/8

8:26 pm-6:00 pm

1 stop21h 34m

$214

PittsburghIslip

PIT - ISP

PITISP

Pittsburgh

Fri 7/25

6:05 pm-12:05 am

1 stop6h 00m

Islip Long Island

Mon 7/28

5:45 pm-11:40 pm

1 stop5h 55m

$271

PittsburghIslip

PIT - ISP

PITISP

Pittsburgh

Fri 6/27

6:50 pm-7:36 pm

1 stop24h 46m

Islip Long Island

Sun 6/29

7:39 pm-8:46 am

2 stops13h 07m

$419

PittsburghIslip

PIT - ISP

PITISP

Pittsburgh

Fri 8/22

9:26 am-3:19 pm

1 stop5h 53m

Islip Long Island

Mon 8/25

10:36 am-8:44 am

1 stop22h 08m

$513

PittsburghIslip

PIT - ISP

PITISP

Pittsburgh

Fri 6/13

5:40 am-9:25 am

1 stop3h 45m

$99

PittsburghIslip

PIT - ISP

PITISP

Pittsburgh

Sun 6/22

9:50 am-7:36 pm

1 stop9h 46m

$188

PittsburghIslip

PIT - ISP

PITISP

Pittsburgh

Fri 7/18

9:26 am-3:19 pm

1 stop5h 53m

$330

PittsburghIslip

PIT - ISP

PITISP

Pittsburgh

Sat 7/5

10:33 am-6:59 pm

3 stops32h 26m

$348

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/20

Compare providers for flights from Pittsburgh to Islip

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 Pittsburgh to Islip in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 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 Pittsburgh-Islip, New York flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Pittsburgh-Islip, New York flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Pittsburgh-Islip, New York flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Pittsburgh-Islip, New York flights, Cheapflights users trust eDreams the most. eDreams 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 Pittsburgh-Islip, New York 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 Pittsburgh to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Pittsburgh 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 Pittsburgh to Islip

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

Currently, January is the cheapest month in which you can book a flight from Pittsburgh to Islip, New York (average of $108). Flying from Pittsburgh to Islip, New York in November is currently the most expensive (average of $213). 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 PIT to ISP?

Find hourly flight availability from Pittsburgh to Islip. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 20, 2025.

When flying from Pittsburgh to Islip, New York, 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 Islip by month

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

In terms of precipitation, rainfall in Islip, New York ranges from 3.3 - 4.4 inches per month. March is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Islip, New York when rainfall is around 3.3 in.

Temperature in Islip by month

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

If weather is an important factor for your trip to Islip, New York, 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 30.2 F).

Reviews of airlines servicing Islip

Get insights into the airlines that provide service to Islip. 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 Islip. Reviews last updated May 20, 2025.
Read reviews from past customers who have flown Breeze Airways, Southwest and Frontier from Pittsburgh to Islip. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Breeze Airways
8.1
Very good
163 reviews

Boarding

8.3

Overall

8.1

Entertainment

6.6

Comfort

8.2

Crew

8.8

Food

6.7

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
163 reviews
Breeze Airways
8.1
Very good
163 reviews

Boarding

8.3

Overall

8.1

Entertainment

6.6

Comfort

8.2

Crew

8.8

Food

6.7

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
4,290 reviews
Breeze Airways
8.1
Very good
163 reviews

Boarding

8.3

Overall

8.1

Entertainment

6.6

Comfort

8.2

Crew

8.8

Food

6.7

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
6.0
Okay
3,286 reviews
Breeze Airways
8.1
Very good
163 reviews

Boarding

8.3

Overall

8.1

Entertainment

6.6

Comfort

8.2

Crew

8.8

Food

6.7

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 Pittsburgh to Islip. 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 Pittsburgh to Islip, New York round-trip?

    Our cheapest airline available from Pittsburgh to Islip, New York is Frontier. Our recent data shows that you can find tickets from as low as $214 on this airline. Additional options worth looking into are Southwest and Breeze Airways, starting at $271 and $513 round-trip.

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

    The cheapest airline one-way is Southwest, with whom users have recently found tickets for as low as $99. However, be on the lookout for offers from Frontier and Breeze Airways, as they are both options that can get you from Pittsburgh to Islip, New York for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Pittsburgh to Islip 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 Pittsburgh to Islip, New York?

    Currently, January is the cheapest month in which you can book a flight from Pittsburgh to Islip, New York (average of $108). Flying from Pittsburgh to Islip, New York in November is currently the most expensive (average of $213). 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 Pittsburgh?

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Top airline flying from Pittsburgh to Islip

Discover the top airline that operate flights from Pittsburgh to Islip. 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 May 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$254Average$333FlexibilityNo cancel feeOn-time63%

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