$481+ Cheap flights from Islip, NY (ISP) to Newburgh, NY
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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — JFK
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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Cheapest flights from Islip to NewburghExplore the most affordable flight options available from Islip to Newburgh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
Explore the most affordable flight options available from Islip to Newburgh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Wed 9/2312:00 pm -
2 stops22h 16m
Sun 9/2710:56 am -
1 stop30h 02m
Deal found 9/8![Multiple Airlines logo]()
$481
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/195:43 pm -
1 stop16h 33m
Sat 9/2612:39 pm -
2 stops29h 24m
Deal found 9/5![Multiple Airlines logo]()
$490
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:00 pm -
1 stop23h 39m
Sat 9/2612:39 pm -
2 stops29h 24m
Deal found 9/7![Multiple Airlines logo]()
$508
Best flights from Islip to NewburghDiscover carefully curated flight deals from Islip to Newburgh that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from Islip to Newburgh that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Wed 9/2312:00 pm -
2 stops22h 16m
Sun 9/2710:56 am -
1 stop30h 02m
Deal found 9/8![Multiple Airlines logo]()
$481
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:00 pm -
1 stop23h 39m
Sat 9/2612:39 pm -
2 stops29h 24m
Deal found 9/7![Multiple Airlines logo]()
$508
Last-minute flights from Islip to NewburghDiscover last-minute flight deals from Islip to Newburgh. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Islip to Newburgh. Data last updated September 10, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/195:43 pm -
1 stop16h 33m
Sat 9/2612:39 pm -
2 stops29h 24m
Deal found 9/5![Multiple Airlines logo]()
$490
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:00 pm -
1 stop23h 39m
Sat 9/2612:39 pm -
2 stops29h 24m
Deal found 9/7![Multiple Airlines logo]()
$508
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Wed 9/2312:00 pm -
2 stops22h 16m
Sun 9/2710:56 am -
1 stop30h 02m
Deal found 9/8![Multiple Airlines logo]()
$481
Find flight deals from Islip to Newburgh
Keep the following information in mind while searching for Islip to Newburgh flight deals. Data was last updated September 10, 2026.
Round-trip from | $481 (Kiwi.com) |
|---|
Cheapflights Fare Finder
Customize your flight search to find flights from Islip to Newburgh 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 September 10, 2026.
Use the filters below to find and compare flights from Islip to Newburgh that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
IslipNew Windsor
ISP Islip Long Island - SWF New Windsor Stewart
ISPSWF
Islip Long Island
Wed 9/23
12:00 pm-10:16 am
2 stops22h 16m
New Windsor Stewart
Sun 9/27
10:56 am-4:58 pm
1 stop30h 02m
$481
IslipNew Windsor
ISP Islip Long Island - SWF New Windsor Stewart
ISPSWF
Islip Long Island
Tue 9/22
12:00 pm-11:39 am
1 stop23h 39m
New Windsor Stewart
Sat 9/26
12:39 pm-6:03 pm
2 stops29h 24m
$508
Sorted by cheapest first
Best time to book a flight from Islip to Newburgh
Have a flexible travel schedule? Discover the best time to fly to Newburgh from Islip with our price prediction graph.
ISP-SWF
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 Newburgh
ISP-N3W
ISP-SWF
No data available for this route at this time. Please check back soon.
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