$142+ 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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — ISP
Aug 8 — Aug 151
Round-trip
1 adult, Economy
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Find cheap flights from Pittsburgh to Islip with Cheapflights
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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 July 9, 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 July 9, 2026.
This Southwest deal was found by Cheapflights users on 7/8. 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.
Thu 8/65:35 am
PIT
- ISP
1 stop4h 05m
Southwest
Tue 8/116:05 am
ISP
- PIT
1 stop6h 00m
Southwest
Deal found 7/8![Southwest logo]()
$189
This Southwest deal was found by Cheapflights users on 7/5. 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 8/46:10 am
PIT
- ISP
1 stop4h 05m
Southwest
Tue 8/116:05 am
ISP
- PIT
1 stop6h 00m
Southwest
Deal found 7/5![Southwest logo]()
$243
This Southwest deal was found by Cheapflights users on 7/5. 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 9/112:40 pm
PIT
- ISP
2 stops8h 25m
Southwest
Sat 9/53:15 pm
ISP
- PIT
1 stop5h 30m
Southwest
Deal found 7/5![Southwest logo]()
$248
This Southwest deal was found by Cheapflights users on 7/5. 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 8/35:50 pm
PIT
- ISP
1 stop5h 50m
Southwest
Wed 8/56:05 am
ISP
- PIT
1 stop6h 00m
Southwest
Deal found 7/5![Southwest logo]()
$254
This Southwest deal was found by Cheapflights users on 7/8. 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 8/56:10 am
PIT
- ISP
1 stop4h 05m
Southwest
Wed 8/123:20 pm
ISP
- PIT
1 stop5h 30m
Southwest
Deal found 7/8![Southwest logo]()
$304
This Southwest deal was found by Cheapflights users on 7/8. 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.
Sun 7/262:10 pm
PIT
- ISP
1 stop10h 10m
Southwest
Fri 7/316:05 pm
ISP
- PIT
1 stop6h 50m
Southwest
Deal found 7/8![Southwest logo]()
$308
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 July 9, 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 July 9, 2026.
This Southwest deal was found by Cheapflights users on 7/5. 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 9/16:10 am
PIT
- ISP
1 stop4h 05m
Southwest
Sat 9/53:15 pm
ISP
- PIT
1 stop5h 30m
Southwest
Deal found 7/5![Southwest logo]()
$243
This Southwest deal was found by Cheapflights users on 7/5. 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 8/46:10 am
PIT
- ISP
1 stop4h 05m
Southwest
Tue 8/116:05 am
ISP
- PIT
1 stop6h 00m
Southwest
Deal found 7/5![Southwest logo]()
$243
This Southwest deal was found by Cheapflights users on 7/6. 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.
Thu 9/35:35 am
PIT
- ISP
1 stop4h 05m
Southwest
Thu 9/105:00 pm
ISP
- PIT
1 stop6h 10m
Southwest
Deal found 7/6![Southwest logo]()
$243
This Southwest deal was found by Cheapflights users on 7/5. 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 8/35:50 pm
PIT
- ISP
1 stop5h 50m
Southwest
Wed 8/56:05 am
ISP
- PIT
1 stop6h 00m
Southwest
Deal found 7/5![Southwest logo]()
$254
This Southwest deal was found by Cheapflights users on 7/8. 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 8/56:10 am
PIT
- ISP
1 stop4h 05m
Southwest
Wed 8/123:20 pm
ISP
- PIT
1 stop5h 30m
Southwest
Deal found 7/8![Southwest logo]()
$304
This Southwest deal was found by Cheapflights users on 7/7. 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 8/15:25 pm
PIT
- ISP
1 stop5h 50m
Southwest
Sat 8/85:30 am
ISP
- PIT
2 stops8h 25m
Southwest
Deal found 7/7![Southwest logo]()
$308
This Southwest deal was found by Cheapflights users on 7/5. 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 10/232:15 pm
PIT
- ISP
2 stops9h 20m
Southwest
Sun 10/255:40 am
ISP
- PIT
2 stops7h 15m
Southwest
Deal found 7/5![Southwest logo]()
$351
Last-minute flights from Pittsburgh to IslipDiscover last-minute flight deals from Pittsburgh to Islip. Data last updated July 9, 2026 and is based on user searches.
Discover last-minute flight deals from Pittsburgh to Islip. Data last updated July 9, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 7/8. 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.
Sun 7/262:10 pm
PIT
- ISP
1 stop10h 10m
Southwest
Fri 7/316:05 pm
ISP
- PIT
1 stop6h 50m
Southwest
Deal found 7/8![Southwest logo]()
$308
This Southwest deal was found by Cheapflights users on 7/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/15:25 pm
PIT
- ISP
1 stop5h 50m
Southwest
Sat 8/86:00 am
ISP
- PIT
2 stops7h 55m
Southwest
Deal found 7/4![Southwest logo]()
$316
This Southwest deal was found by Cheapflights users on 7/5. 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 8/35:50 pm
PIT
- ISP
1 stop5h 50m
Southwest
Wed 8/56:05 am
ISP
- PIT
1 stop6h 00m
Southwest
Deal found 7/5![Southwest logo]()
$254
This Southwest deal was found by Cheapflights users on 7/5. 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 8/46:10 am
PIT
- ISP
1 stop4h 05m
Southwest
Tue 8/116:05 am
ISP
- PIT
1 stop6h 00m
Southwest
Deal found 7/5![Southwest logo]()
$243
This Southwest deal was found by Cheapflights users on 7/5. 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 8/46:10 am
PIT
- ISP
1 stop4h 05m
Southwest
Sat 8/85:30 am
ISP
- PIT
2 stops8h 25m
Southwest
Deal found 7/5![Southwest logo]()
$315
This Southwest deal was found by Cheapflights users on 7/8. 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 8/56:10 am
PIT
- ISP
1 stop4h 05m
Southwest
Wed 8/123:20 pm
ISP
- PIT
1 stop5h 30m
Southwest
Deal found 7/8![Southwest logo]()
$304
This Southwest deal was found by Cheapflights users on 7/8. 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.
Thu 8/65:35 am
PIT
- ISP
1 stop4h 05m
Southwest
Tue 8/116:05 am
ISP
- PIT
1 stop6h 00m
Southwest
Deal found 7/8![Southwest logo]()
$189
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 July 9, 2026.
Search for one-way flight options from Pittsburgh to Islip. Find affordable one-way fares based on user searches. Data last updated July 9, 2026.
This Southwest deal was found by Cheapflights users on 7/8. 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 8/74:10 pm
PIT
- ISP
1 stop5h 55m
Southwest
Deal found 7/8![Southwest logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 7/8. 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.
Fri 8/79:21 am
PIT
- ISP
3 stops24h 32m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$256
This KAYAK deal was found by Cheapflights users on 7/5. 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 9/107:13 pm
PIT
- ISP
1 stop13h 46m
Breeze Airways
Deal found 7/5![Breeze Airways logo]()
$350
This KAYAK deal was found by Cheapflights users on 7/8. 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 10/85:47 pm
PIT
- ISP
2 stops26h 12m
Breeze Airways
Deal found 7/8![Breeze Airways logo]()
$365
This KAYAK deal was found by Cheapflights users on 7/5. 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.
Sun 7/198:58 pm
PIT
- ISP
1 stop16h 30m
Breeze Airways
Deal found 7/5![Breeze Airways logo]()
$390
This KAYAK deal was found by Cheapflights users on 7/7. 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 7/237:49 pm
PIT
- ISP
3 stops16h 31m
Breeze Airways
Deal found 7/7![Breeze Airways logo]()
$431
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 July 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $189 (Southwest) |
One-way from | $142 (Southwest) |
Popular in | June |
Cheapest in | September |
Average price | $180 |
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 July 9, 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
Quickest round-trip
PittsburghIslip
PIT - ISP
PITISP
Pittsburgh
Tue 9/1
6:10 am-10:15 am
1 stop4h 05m
Islip Long Island
Sat 9/5
3:15 pm-8:45 pm
1 stop5h 30m
$243
PittsburghIslip
PIT - ISP
PITISP
Pittsburgh
Tue 8/4
6:10 am-10:15 am
1 stop4h 05m
Islip Long Island
Tue 8/11
6:05 am-12:05 pm
1 stop6h 00m
$243
PittsburghIslip
PIT - ISP
PITISP
Pittsburgh
Thu 9/3
5:35 am-9:40 am
1 stop4h 05m
Islip Long Island
Thu 9/10
5:00 pm-11:10 pm
1 stop6h 10m
$243
PittsburghIslip
PIT - ISP
PITISP
Pittsburgh
Mon 8/3
5:50 pm-11:40 pm
1 stop5h 50m
Islip Long Island
Wed 8/5
6:05 am-12:05 pm
1 stop6h 00m
$254
PittsburghIslip
PIT - ISP
PITISP
Pittsburgh
Wed 8/5
6:10 am-10:15 am
1 stop4h 05m
Islip Long Island
Wed 8/12
3:20 pm-8:50 pm
1 stop5h 30m
$304
PittsburghIslip
PIT - ISP
PITISP
Pittsburgh
Sat 8/1
5:25 pm-11:15 pm
1 stop5h 50m
Islip Long Island
Sat 8/8
5:30 am-1:55 pm
2 stops8h 25m
$308
PittsburghIslip
PIT - ISP
PITISP
Pittsburgh
Fri 10/23
2:15 pm-11:35 pm
2 stops9h 20m
Islip Long Island
Sun 10/25
5:40 am-12:55 pm
2 stops7h 15m
$351
Cheapest one-way
Quickest one-way
PittsburghIslip
PIT - ISP
PITISP
Pittsburgh
Fri 8/7
4:10 pm-10:05 pm
1 stop5h 55m
$142
PittsburghIslip
PIT - ISP
PITISP
Pittsburgh
Thu 9/10
7:13 pm-8:59 am
1 stop13h 46m
$350
PittsburghIslip
PIT - ISP
PITISP
Pittsburgh
Sun 7/19
8:58 pm-1:28 pm
1 stop16h 30m
$390
Showing 1-10 of 12 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 July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 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 July 9, 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.
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
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
Explore flights to Islip departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 9, 2026.
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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 July 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$196 | Average$339 | FlexibilityNo cancel fee | On-time63% |