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Islip

$96+ 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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — ISP
Jul 1 — Jul 81
Tue 7/1
Tue 7/8
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 June 26, 2025.

Round-trip from

$157
(Southwest)

One-way from

$96
(Southwest)

Popular in

July

Cheapest in

August

Average price

$343
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. 0% potential increase in price ($0 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($16 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 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 June 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.
Tue 9/94:15 pmPIT - ISP
1 stop5h 50mSouthwest
Wed 9/106:05 amISP - PIT
1 stop5h 55mSouthwest
Deal found 6/25$157
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/78:33 pmPIT - ISP
1 stop25h 25mMultiple Airlines
Wed 7/92:12 pmISP - PIT
1 stop18h 32mMultiple Airlines
Deal found 6/24$393
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/229:08 pmPIT - ISP
1 stop16h 24mBreeze Airways
Tue 7/291:55 pmISP - PIT
2 stops18h 49mBreeze Airways
Deal found 6/25$488
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/253:49 pmPIT - ISP
2 stops7h 10mFrontier
Sun 7/276:00 amISP - PIT
2 stops8h 29mFrontier
Deal found 6/26$700

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 June 26, 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

Tue 9/9

4:15 pm-10:05 pm

1 stop5h 50m

Islip Long Island

Wed 9/10

6:05 am-12:00 pm

1 stop5h 55m

$157

PittsburghIslip

PIT - ISP

PITISP

Pittsburgh

Mon 7/7

8:33 pm-9:58 pm

1 stop25h 25m

Islip Long Island

Wed 7/9

2:12 pm-8:44 am

1 stop18h 32m

$393

PittsburghIslip

PIT - ISP

PITISP

Pittsburgh

Tue 7/22

9:08 pm-1:32 pm

1 stop16h 24m

Islip Long Island

Tue 7/29

1:55 pm-8:44 am

2 stops18h 49m

$488

PittsburghIslip

PIT - ISP

PITISP

Pittsburgh

Fri 7/18

3:49 pm-10:59 pm

2 stops7h 10m

Islip Long Island

Sun 7/20

6:00 am-2:29 pm

2 stops8h 29m

$521

PittsburghIslip

PIT - ISP

PITISP

Pittsburgh

Sat 9/20

6:05 am-12:05 pm

1 stop6h 00m

$96

PittsburghIslip

PIT - ISP

PITISP

Pittsburgh

Fri 7/11

7:25 pm-7:42 pm

1 stop24h 17m

$124

PittsburghIslip

PIT - ISP

PITISP

Pittsburgh

Sun 8/3

9:08 pm-9:56 am

1 stop12h 48m

$285

PittsburghIslip

PIT - ISP

PITISP

Pittsburgh

Sat 7/12

8:21 pm-6:59 pm

3 stops22h 38m

$328

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/26

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 June 26, 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.

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 June 26, 2025.
Peruse reviews from past customers who have flown with Breeze Airways, Southwest, and Frontier from Pittsburgh to Islip to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Breeze Airways
8.1
Very good
182 reviews

Boarding

8.4

Entertainment

6.6

Comfort

8.2

Overall

8.1

Food

6.8

Crew

8.8

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

Boarding

8.4

Entertainment

6.6

Comfort

8.2

Overall

8.1

Food

6.8

Crew

8.8

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

Boarding

8.4

Entertainment

6.6

Comfort

8.2

Overall

8.1

Food

6.8

Crew

8.8

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

Boarding

8.4

Entertainment

6.6

Comfort

8.2

Overall

8.1

Food

6.8

Crew

8.8

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 Southwest. Our recent data shows that you can find tickets from as low as $157 on this airline. Additional options worth looking into are Breeze Airways and Frontier, starting at $488 and $700 round-trip. These flights start at 55% lower than the current average price 3 months from now.

  • 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 $96. 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

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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 June 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$254Average$333FlexibilityNo cancel feeOn-time63%

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