starting at $262
Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Koh Samui to Seoul. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
The minimum one-way ticket price from Koh Samui to Seoul is $212 (September 2026), while the maximum is $322 (October 2026). On average, a ticket costs $280–$320.
A non-stop flight is the most convenient and comfortable way to fly from Koh Samui to Seoul, despite the fact that sometimes flights with transfers can cost significantly less.
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Answers to questions about the route that travelers are most interested in.
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
On the Koh Samui — Seoul route, prices first decline, hit a low, then start rising again. The middle of the period creates a price window — the best time to book.
Prices fall from August 2026 to September 2026 (34%), then rise from September 2026 to October 2026 (+52%). The best period is August 2026–September 2026 ($266), the most expensive is October 2026–November 2026 ($293).
The best time to buy is August 2026–September 2026, when prices are at their lowest. This can save you up to 9% compared to the expensive months (October 2026–November 2026).
Monthly price variation is 16.2%. On this route, your departure date noticeably affects the cost, and choosing wisely can lead to real savings.
The route Koh Samui — Seoul is served by a single airline — Bangkok Airways. This means that when planning your trip, you won’t need to spend time choosing between dozens of carriers: all flights are operated by one provider, which simplifies the booking process. Despite the limited choice, passengers can still plan ahead, select optimal departure dates, and buy tickets at the lowest price — from $262. Using our service, you can quickly compare available Bangkok Airways flights and book a seat in advance at a favorable rate.
starting at $262
There appear to be no non-stop flights from Koh Samui to Seoul at this time.... Well, or something went wrong on our side and we couldn't find anything
There are most likely no direct flights on the Koh Samui — Seoul route
The cheapest flight ticket from Koh Samui to Seoul according to data for the last 48 hours costs $262
Often the best time to buy tickets from Koh Samui to Seoul is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Koh Samui to Seoul can be found flying in these months: September, November, August.
The fastest flights from Koh Samui to Seoul start from 15 hours in the air.
The following airlines operate direct flights on the route Koh Samui — Seoul:
The cheapest one-way flight from Koh Samui to Seoul departs on 10/25/2026, is operated by Bangkok Airways and costs $262
The cheapest roundtrip flight from Koh Samui to Seoul departs on 09/14/2026, is operated by Scoot and costs $559
Fastest flight from Koh Samui to Seoul takes 15 hours
There are no direct flights on this route.
The distance between Koh Samui and Seoul is 4118km (2553 miles). The time difference between Koh Samui and Seoul is 2h
