HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Incheon Intl

$2,435+ Cheap flights from Islip, NY (ISP) to Incheon Intl (ICN)

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — ICN
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Islip to Incheon Intl 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 Incheon Intl

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Incheon Intl (ICN). 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 April 15, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$2,435
(oojo)

Popular in

June

Cheapest in

January

Average price

$1,206
Provider with most accurate pricing for New York (NYC)-Seoul (SEL) flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-Seoul (SEL) flights.
Search Deals
From Islip Long Island to Incheon Intl
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($275 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Islip to Incheon Intl

Cheapest flights from Islip to Incheon Intl
Explore the most affordable flight options available from Islip to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

This oojo deal was found by Cheapflights users on 4/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/96:00 amISP - ICN
2 stops46h 05mQatar Airways
Fri 9/196:50 pmICN - ISP
2 stops39h 50mQatar Airways
Deal found 4/15$2,435

Cheapflights Fare Finder

Customize your flight search to find flights from Islip to Incheon Intl 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 April 15, 2025.
Use the filters below to find and compare flights from Islip to Incheon Intl Airport that are best for you.

Fly from

Islip

Fly to

Incheon Intl

Route

Depart

Return

Price

IslipIncheon

ISP - ICN

ISPICN

Islip Long Island

Tue 9/9

6:00 am-5:05 pm

2 stops46h 05m

Incheon Intl

Fri 9/19

6:50 pm-9:40 pm

2 stops39h 50m

$2,435

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Best time to book a flight from Islip to Incheon Intl

Have a flexible travel schedule? Discover the best time to fly to Incheon Intl 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 Incheon Intl Airport

What is the cheapest month to book a flight from Islip, New York to Incheon Intl Airport?

Currently, February is the cheapest month in which you can book a flight from Islip, New York to Incheon Intl Airport (average of $1,001). Flying from Islip, New York to Incheon Intl Airport in June is currently the most expensive (average of $1,650). 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.

Rainfall in Incheon Intl by month

Plan your trip to Incheon Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Incheon Intl Airport ranges from 0.8 - 10.2 inches per month. July is typically the wettest month, when rainfall can reach 10.2 in. January is typically the driest time to visit Incheon Intl Airport when rainfall is around 0.8 in.

Temperature in Incheon Intl by month

Plan your trip to Incheon Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Incheon Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

Reviews of airlines servicing Incheon Intl

Get insights into the airlines that provide service to Incheon Intl. 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 Incheon Intl. Reviews last updated April 15, 2025.
Qatar Airways
7.4
Good
3,553 reviews

Overall

7.4

Comfort

7.4

Entertainment

7.4

Crew

7.9

Boarding

7.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

DFW - DOH

Probably one of the best flights I’ve had. Superb service! They made economy feel like first class.
Qatar Airways
7.4
Good
3,553 reviews
Qatar Airways
7.4
Good
3,553 reviews

Overall

7.4

Comfort

7.4

Entertainment

7.4

Crew

7.9

Boarding

7.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

DFW - DOH

Probably one of the best flights I’ve had. Superb service! They made economy feel like first class.

Related info for your journey

Find useful and relevant information for your journey from Islip to Incheon Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Islip to Incheon Intl?

    Islip Long Island (ISP) is the airport you will fly out of if you book a flight from Islip to Incheon Intl. You should not have trouble finding flights to Incheon Intl from Long Island; the airport handles an average of 0 outbound flights to Incheon Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Islip airport to Incheon Intl. It is only a 7.2 mi journey to Long Island (ISP) from Islip’s city center.

  • Can I find deals for flights from Islip to Incheon Intl that include hotel bookings?

    Yes. In addition to deals on Islip to Incheon Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Islip to Incheon Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islip to Incheon Intl.

  • Can I find deals for business class flights from Islip to Incheon Intl?

    Yes. Cheapflights offers flight deals from Islip to Incheon Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Islip, New York to Incheon Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Islip, New York to Incheon Intl Airport (average of $1,001). Flying from Islip, New York to Incheon Intl Airport in June is currently the most expensive (average of $1,650). 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.

See more FAQs

Traveling to a place near Islip?

Book flights to Islip if you plan to visit one of these locations
Suwon
Seongnam
Daejeon

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.