$2,067+ Cheap flights from Islip (ISP) to South Korea
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 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — ICN
Nov 9 — Nov 161
1 adult, Economy
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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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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 South Korea
Keep the following information in mind while searching for Islip to South Korea flight deals. Data was last updated October 10, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $2,067 (Kiwi.com) |
Popular in | December |
Cheapest in | March |
Average price | $1,170 |
Find flight deals from Islip to South Korea
Cheapest flights from Islip to South KoreaExplore the most affordable flight options available from Islip to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 10, 2025.
Explore the most affordable flight options available from Islip to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 10, 2025.
This Kiwi.com deal was found by Cheapflights users on 10/9. 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.
Sun 11/2312:40 pmISP - ICN
1 stop37h 55mMultiple Airlines
Sun 11/309:20 pmICN - ISP
2 stops59h 54mMultiple Airlines
Deal found 10/9![Multiple Airlines logo]()
$2,067
This Mytrip deal was found by Cheapflights users on 10/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/144:33 pmISP - ICN
2 stops35h 57mMultiple Airlines
Tue 10/215:45 pmICN - ISP
3 stops35h 30mMultiple Airlines
Deal found 10/7![Multiple Airlines logo]()
$2,877
Cheapflights Fare Finder
Customize your flight search to find flights from Islip to South Korea 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 October 10, 2025.
Use the filters below to find and compare flights from Islip to South Korea that are best for you.
Fly from
Islip
Fly to
South Korea
Route
Depart
Return
Price
IslipIncheon
ISP - ICN
ISPICN
Islip Long Island
Sun 11/23
12:40 pm-4:35 pm
1 stop37h 55m
Incheon Intl
Sun 11/30
9:20 pm-7:14 pm
2 stops59h 54m
$2,067
Best time to book a flight from Islip to South Korea
Have a flexible travel schedule? Discover the best time to fly to South Korea from Islip 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 Islip to South Korea
What is the cheapest month to book a flight from Islip to South Korea?
Currently, October is the cheapest month in which you can book a flight from Islip to South Korea (average of $288). Flying from Islip to South Korea in June is currently the most expensive (average of $574). 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 ISP to KR?
Find hourly flight availability from Islip to South Korea. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 10, 2025.
It’s typically best to fly out from Islip to South Korea in the afternoon. Doing so could potentially save you 63% on the flight price compared to flying in the evening, which is usually more expensive.