$236+ Cheap flights from Pittsburgh to Islip, NY (PIT - ISP)
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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — ISP
Dec 4 — Dec 111
Round-trip
1 adult, Economy
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Find cheap flights from Pittsburgh to Islip with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Pittsburgh to IslipExplore 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 November 4, 2026.
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 November 4, 2026.
This Southwest deal was found by Cheapflights users on 11/2. 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 12/412:20 pm -
1 stop3h 55m
Sun 12/64:25 pm -
1 stop8h 05m
Deal found 11/2![Southwest logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/110:15 am -
1 stop28h 30m
Sun 12/67:45 pm -
1 stop23h 45m
Deal found 10/31![Breeze Airways logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/110:15 am -
1 stop28h 30m
Mon 12/79:33 pm -
1 stop11h 57m
Deal found 10/31![Breeze Airways logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/110:15 am -
1 stop28h 30m
Wed 12/93:43 pm -
1 stop18h 47m
Deal found 10/31![Breeze Airways logo]()
$380
This Southwest deal was found by Cheapflights users on 10/31. 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 12/112:20 pm -
1 stop3h 55m
Mon 12/76:05 am -
2 stops7h 35m
Deal found 10/31![Southwest logo]()
$382
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/110:15 am -
1 stop28h 30m
Thu 12/106:34 pm -
2 stops13h 08m
Deal found 10/31![Breeze Airways logo]()
$384
This Southwest deal was found by Cheapflights users on 11/1. 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.
Mon 11/1612:20 pm -
1 stop3h 55m
Fri 11/204:45 pm -
1 stop7h 45m
Deal found 11/1![Southwest logo]()
$391
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/110:15 am -
1 stop28h 30m
Sat 12/53:43 pm -
1 stop18h 47m
Deal found 10/31![Breeze Airways logo]()
$402
Best flights from Pittsburgh to IslipDiscover carefully curated flight deals from Pittsburgh to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 4, 2026.
Discover carefully curated flight deals from Pittsburgh to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 4, 2026.
This Southwest deal was found by Cheapflights users on 11/2. 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 12/44:00 pm -
1 stop5h 45m
Sun 12/61:35 pm -
2 stops10h 55m
Deal found 11/2![Southwest logo]()
$294
This KAYAK deal was found by Cheapflights users on 11/2. 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 12/48:10 pm -
1 stop22h 59m
Mon 12/73:02 pm -
1 stop5h 12m
Deal found 11/2![Breeze Airways logo]()
$688
This Southwest deal was found by Cheapflights users on 10/31. 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 12/112:20 pm -
1 stop3h 55m
Mon 12/76:05 am -
2 stops7h 35m
Deal found 10/31![Southwest logo]()
$382
This Southwest deal was found by Cheapflights users on 11/3. 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 3/65:00 am -
1 stop6h 50m
Sun 3/146:05 pm -
1 stop6h 00m
Deal found 11/3![Southwest logo]()
$387
This Southwest deal was found by Cheapflights users on 11/1. 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.
Mon 11/1612:20 pm -
1 stop3h 55m
Fri 11/204:45 pm -
1 stop7h 45m
Deal found 11/1![Southwest logo]()
$391
This KAYAK deal was found by Cheapflights users on 11/2. 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.
Thu 12/34:37 pm -
2 stops21h 45m
Mon 12/73:02 pm -
1 stop5h 12m
Deal found 11/2![Breeze Airways logo]()
$748
This Southwest deal was found by Cheapflights users on 10/31. 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.
Wed 11/255:45 pm -
1 stop6h 05m
Sun 11/2912:45 pm -
1 stop12h 20m
Deal found 10/31![Southwest logo]()
$637
Last-minute flights from Pittsburgh to IslipDiscover last-minute flight deals from Pittsburgh to Islip. Data last updated November 4, 2026 and is based on user searches.
Discover last-minute flight deals from Pittsburgh to Islip. Data last updated November 4, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 11/1. 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.
Mon 11/1612:20 pm -
1 stop3h 55m
Fri 11/204:45 pm -
1 stop7h 45m
Deal found 11/1![Southwest logo]()
$391
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/110:15 am -
1 stop28h 30m
Sun 12/67:45 pm -
1 stop23h 45m
Deal found 10/31![Breeze Airways logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/110:15 am -
1 stop28h 30m
Mon 12/79:33 pm -
1 stop11h 57m
Deal found 10/31![Breeze Airways logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/110:15 am -
1 stop28h 30m
Wed 12/93:43 pm -
1 stop18h 47m
Deal found 10/31![Breeze Airways logo]()
$380
This Southwest deal was found by Cheapflights users on 10/31. 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 12/112:20 pm -
1 stop3h 55m
Mon 12/76:05 am -
2 stops7h 35m
Deal found 10/31![Southwest logo]()
$382
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/110:15 am -
1 stop28h 30m
Thu 12/106:34 pm -
2 stops13h 08m
Deal found 10/31![Breeze Airways logo]()
$384
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/110:15 am -
1 stop28h 30m
Sat 12/53:43 pm -
1 stop18h 47m
Deal found 10/31![Breeze Airways logo]()
$402
This Southwest deal was found by Cheapflights users on 11/2. 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 12/412:20 pm -
1 stop3h 55m
Sun 12/64:25 pm -
1 stop8h 05m
Deal found 11/2![Southwest logo]()
$236
One-way flights from Pittsburgh to IslipSearch for one-way flight options from Pittsburgh to Islip. Find affordable one-way fares based on user searches. Data last updated November 4, 2026.
Search for one-way flight options from Pittsburgh to Islip. Find affordable one-way fares based on user searches. Data last updated November 4, 2026.
This CheapOair deal was found by Cheapflights users on 10/31. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:00 am -
1 stop15h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![JetBlue logo]()
$302
This KAYAK deal was found by Cheapflights users on 11/3. 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 11/168:54 pm -
1 stop14h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Breeze Airways logo]()
$355
This KAYAK deal was found by Cheapflights users on 11/1. 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 12/118:10 pm -
1 stop22h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Breeze Airways logo]()
$480
This KAYAK deal was found by Cheapflights users on 11/4. 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 12/258:10 pm -
1 stop22h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Breeze Airways logo]()
$1,000
Find 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 November 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $236 (Southwest) |
Popular in | October |
Cheapest in | January |
Average price | $254 |
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 7,457,451 searches. Data last updated November 4, 2026.
Use the filters below to find and compare flights from Pittsburgh to Islip that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PittsburghIslip
PIT Pittsburgh - ISP Islip Long Island
PITISP
Pittsburgh
Fri 12/4
4:00 pm-9:45 pm
1 stop5h 45m
Islip Long Island
Sun 12/6
1:35 pm-12:30 am
2 stops10h 55m
$294
PittsburghIslip
PIT Pittsburgh - ISP Islip Long Island
PITISP
Pittsburgh
Sat 11/14
6:00 am-9:37 pm
1 stop15h 37m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$302
PittsburghIslip
PIT Pittsburgh - ISP Islip Long Island
PITISP
Pittsburgh
Mon 11/16
8:54 pm-11:20 am
1 stop14h 26m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$355
Quickest round-trip
PittsburghIslip
PIT Pittsburgh - ISP Islip Long Island
PITISP
Pittsburgh
Tue 12/1
12:20 pm-4:15 pm
1 stop3h 55m
Islip Long Island
Mon 12/7
6:05 am-1:40 pm
2 stops7h 35m
$382
PittsburghIslip
PIT Pittsburgh - ISP Islip Long Island
PITISP
Pittsburgh
Sat 3/6
5:00 am-11:50 am
1 stop6h 50m
Islip Long Island
Sun 3/14
6:05 pm-12:05 am
1 stop6h 00m
$387
PittsburghIslip
PIT Pittsburgh - ISP Islip Long Island
PITISP
Pittsburgh
Mon 11/16
12:20 pm-4:15 pm
1 stop3h 55m
Islip Long Island
Fri 11/20
4:45 pm-12:30 am
1 stop7h 45m
$391
PittsburghIslip
PIT Pittsburgh - ISP Islip Long Island
PITISP
Pittsburgh
Fri 12/11
8:22 am-7:09 pm
2 stops34h 47m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$555
PittsburghIslip
PIT Pittsburgh - ISP Islip Long Island
PITISP
Pittsburgh
Wed 11/25
5:45 pm-11:50 pm
1 stop6h 05m
Islip Long Island
Sun 11/29
12:45 pm-1:05 am
1 stop12h 20m
$637
PittsburghIslip
PIT Pittsburgh - ISP Islip Long Island
PITISP
Pittsburgh
Fri 12/4
8:10 pm-7:09 pm
1 stop22h 59m
Islip Long Island
Mon 12/7
3:02 pm-8:14 pm
1 stop5h 12m
$688
PittsburghIslip
PIT Pittsburgh - ISP Islip Long Island
PITISP
Pittsburgh
Thu 12/3
4:37 pm-2:22 pm
2 stops21h 45m
Islip Long Island
Mon 12/7
3:02 pm-8:14 pm
1 stop5h 12m
$748
Showing 1-10 of 11 resultsSorted by cheapest first
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 November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- 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 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 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.
PIT-ISP
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.
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 November 4, 2026.
Peruse reviews from past customers who have flown with Southwest 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.
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
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.
Traveling to a place near Islip?
Book flights to Islip if you plan to visit one of these locationsRiverhead
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Other flights to Islip
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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 7,457,451 searches. Data last updated November 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$196 | Average$413 | FlexibilityNo cancel fee | On-time63% |