$1,077+ Cheap flights from Islip, NY to Hilton Head Island (ISP - HHH)
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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — HHH
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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Find cheap flights from Islip to Hilton Head Island 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Islip to Hilton Head Island
Cheapest
Best
Last-minute
Cheapest flights from Islip to Hilton Head IslandExplore the most affordable flight options available from Islip to Hilton Head Island. 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 Hilton Head Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:05 am -
2 stops26h 54m
Sun 9/202:48 pm -
2 stops29h 27m
Deal found 9/8![Multiple Airlines logo]()
$1,077
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:16 pm -
2 stops22h 19m
Mon 10/121:20 pm -
2 stops30h 25m
Deal found 9/5![Multiple Airlines logo]()
$1,305
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:05 am -
2 stops31h 05m
Sun 9/271:16 pm -
2 stops30h 59m
Deal found 9/5![Multiple Airlines logo]()
$1,430
This United deal was found by Cheapflights users on 9/6. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/109:05 am -
2 stops27h 30m
Mon 10/121:20 pm -
2 stops30h 25m
Deal found 9/6![Multiple Airlines logo]()
$1,438
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:31 am -
2 stops29h 04m
Mon 10/121:20 pm -
2 stops30h 25m
Deal found 9/8![Multiple Airlines logo]()
$1,599
Best flights from Islip to Hilton Head IslandDiscover carefully curated flight deals from Islip to Hilton Head Island 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 Hilton Head Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:16 pm -
2 stops22h 19m
Mon 10/121:20 pm -
2 stops30h 25m
Deal found 9/5![Multiple Airlines logo]()
$1,305
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:05 am -
2 stops31h 05m
Sun 9/271:16 pm -
2 stops30h 59m
Deal found 9/5![Multiple Airlines logo]()
$1,430
This United deal was found by Cheapflights users on 9/6. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/109:05 am -
2 stops27h 30m
Mon 10/121:20 pm -
2 stops30h 25m
Deal found 9/6![Multiple Airlines logo]()
$1,438
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:31 am -
2 stops29h 04m
Mon 10/121:20 pm -
2 stops30h 25m
Deal found 9/8![Multiple Airlines logo]()
$1,599
Last-minute flights from Islip to Hilton Head IslandDiscover last-minute flight deals from Islip to Hilton Head Island. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Islip to Hilton Head Island. Data last updated September 10, 2026 and is based on user searches.
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:05 am -
2 stops26h 54m
Sun 9/202:48 pm -
2 stops29h 27m
Deal found 9/8![Multiple Airlines logo]()
$1,077
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:05 am -
2 stops31h 05m
Sun 9/271:16 pm -
2 stops30h 59m
Deal found 9/5![Multiple Airlines logo]()
$1,430
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:16 pm -
2 stops22h 19m
Mon 10/121:20 pm -
2 stops30h 25m
Deal found 9/5![Multiple Airlines logo]()
$1,305
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:31 am -
2 stops29h 04m
Mon 10/121:20 pm -
2 stops30h 25m
Deal found 9/8![Multiple Airlines logo]()
$1,599
This United deal was found by Cheapflights users on 9/6. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/109:05 am -
2 stops27h 30m
Mon 10/121:20 pm -
2 stops30h 25m
Deal found 9/6![Multiple Airlines logo]()
$1,438
Find flight deals from Islip to Hilton Head Island
Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Hilton Head Island (HHH). 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 September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,056 (United) |
Popular in | December |
Cheapest in | November |
Average price | $379 |
Cheapflights Fare Finder
Customize your flight search to find flights from Islip to Hilton Head Island 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 Hilton Head Island that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
IslipHilton Head Island
ISP Islip Long Island - HHH Hilton Head Island
ISPHHH
Islip Long Island
Mon 10/5
2:16 pm-12:35 pm
2 stops22h 19m
Hilton Head Island
Mon 10/12
1:20 pm-7:45 pm
2 stops30h 25m
$1,305
IslipHilton Head Island
ISP Islip Long Island - HHH Hilton Head Island
ISPHHH
Islip Long Island
Fri 9/25
7:05 am-2:10 pm
2 stops31h 05m
Hilton Head Island
Sun 9/27
1:16 pm-8:15 pm
2 stops30h 59m
$1,430
IslipHilton Head Island
ISP Islip Long Island - HHH Hilton Head Island
ISPHHH
Islip Long Island
Sat 10/10
9:05 am-12:35 pm
2 stops27h 30m
Hilton Head Island
Mon 10/12
1:20 pm-7:45 pm
2 stops30h 25m
$1,438
IslipHilton Head Island
ISP Islip Long Island - HHH Hilton Head Island
ISPHHH
Islip Long Island
Wed 10/7
7:31 am-12:35 pm
2 stops29h 04m
Hilton Head Island
Mon 10/12
1:20 pm-7:45 pm
2 stops30h 25m
$1,599
Sorted by cheapest first
Compare providers for flights from Islip to Hilton Head Island
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 Islip to Hilton Head Island in September.
| 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 Islip, New York-Hilton Head Island flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Islip, New York-Hilton Head Island flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Islip, New York-Hilton Head Island flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Islip, New York-Hilton Head Island 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 Islip, New York-Hilton Head Island 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 Islip to Hilton Head Island
Have a flexible travel schedule? Discover the best time to fly to Hilton Head Island from Islip with our price prediction graph.
ISP-HHH
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.
Related info for your journey
Find useful and relevant information for your journey from Islip to Hilton Head Island. 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 Hilton Head Island?
Book flights to Hilton Head Island if you plan to visit one of these locationsBeaufort
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