Cheap flights from Incheon Intl Airport to Ko Samui
ICN — USM
29 Nov — 6 Dec1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Incheon Intl to Ko Samui are usually found in September or August, booked 88 days in advance, depart on a Thursday or Monday and return on a Monday
Cheap flight deals from Incheon Intl to Ko Samui
Discover tips and strategies to find the most affordable flight options for your journey from Incheon Intl (ICN) to Ko Samui (USM). 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 30 October 2025.
Popular in
January
Cheapest in
September
Average price
C$ 916
Highest demand for flights based on searches. 13% potential increase in price (C$ 184 potential increase over avg. RT price).
Best time to book a flight from Incheon Intl to Ko Samui
Have a flexible travel schedule? Discover the best time to fly to Ko Samui from Incheon Intl 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 Incheon Intl Airport to Ko Samui
How far ahead should I book a flight from Incheon Intl Airport to Ko Samui?
Use this chart to determine the optimal time to book a round-trip flight from Incheon Intl to Ko Samui. Price data was last updated on 24 October 2025.
The best time to book flights from Incheon Intl Airport to Ko Samui is 31 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Incheon Intl Airport to Ko Samui?
Currently, September is the cheapest month in which you can book a flight from Incheon Intl Airport to Ko Samui (average of C$ 507). Flying from Incheon Intl Airport to Ko Samui in December is currently the most expensive (average of C$ 842). 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.
Related info for your journey
Find useful and relevant information for your journey from Incheon Intl to Ko Samui. 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 into for flights to Ko Samui from Incheon Intl?
If you book a flight to Ko Samui from Incheon Intl, you will be flying to Ko Samui, which is the city’s only airport. Ko Samui (USM) is located 3.3 km from the centre of Ko Samui. There are 0 flights from Incheon Intl to Ko Samui per day from 0 different airlines.
Can I find deals for flights from Incheon Intl to Ko Samui that include hotel bookings?
Yes. In addition to deals on Incheon Intl to Ko Samui flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Incheon Intl to Ko Samui?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Incheon Intl to Ko Samui.
Can I find deals for business class flights from Incheon Intl to Ko Samui?
Yes. Cheapflights offers flight deals from Incheon Intl to Ko Samui 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 Incheon Intl Airport to Ko Samui?
Currently, September is the cheapest month in which you can book a flight from Incheon Intl Airport to Ko Samui (average of C$ 507). Flying from Incheon Intl Airport to Ko Samui in December is currently the most expensive (average of C$ 842). 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.
Explore flights to Ko Samui departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 30 October 2025.
Browse through other flights departing from Incheon Intl. Flights are based on user searches made on Cheapflights and were last updated on 30 October 2025.
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Incheon Intl to Ko Samui?
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ko Samui from Incheon Intl today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from Incheon Intl to Ko Samui?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Incheon Intl to Ko Samui.
Can Cheapflights find flights from Incheon Intl to Ko Samui with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Incheon Intl to Ko Samui flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Incheon Intl to Ko Samui become cheaper?
Of course! You can now track prices for flights from Incheon Intl to Ko Samui and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.
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