There are most likely no direct flights on the Koh Samui — Surat Thani route
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 Surat Thani. 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 Surat Thani is $140 (January 2027), while the maximum is $189 (December 2026). On average, a ticket costs $170–$181.
A non-stop flight is the most convenient and comfortable way to fly from Koh Samui to Surat Thani, 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 — Surat Thani 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 December 2026 to January 2027 (26%), then rise from January 2027 to February 2027 (+29%). The best period is January 2027–February 2027 ($160), the most expensive is February 2027–April 2027 ($176).
The best time to buy is January 2027–February 2027, when prices are at their lowest. This can save you up to 9% compared to the expensive months (February 2027–April 2027).
Monthly price variation is 10.8%. On this route, your departure date noticeably affects the cost, and choosing wisely can lead to real savings.
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There are most likely no direct flights on the Koh Samui — Surat Thani route
There appear to be no non-stop flights from Koh Samui to Surat Thani at this time.... Well, or something went wrong on our side and we couldn't find anything
starting at $139
The route Koh Samui — Surat Thani 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 $139. Using our service, you can quickly compare available Bangkok Airways flights and book a seat in advance at a favorable rate.
The cheapest flight ticket from Koh Samui to Surat Thani according to data for the last 48 hours costs $139
Often the best time to buy tickets from Koh Samui to Surat Thani is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Koh Samui to Surat Thani can be found flying in these months: January, April, February.
The fastest flights from Koh Samui to Surat Thani start from 5 hours 50 minutes in the air.
The following airlines operate direct flights on the route Koh Samui — Surat Thani:
The cheapest one-way flight from Koh Samui to Surat Thani departs on 05/28/2027, is operated by Bangkok Airways and costs $139
The cheapest roundtrip flight from Koh Samui to Surat Thani departs on 11/17/2026, is operated by Bangkok Airways and costs $234
Fastest flight from Koh Samui to Surat Thani takes 5h 50m
There are no direct flights on this route.
The distance between Koh Samui and Surat Thani is 93km (58 miles). Koh Samui and Surat Thani are in the same time zone
We couldn't find any special offers for flights from Koh Samui to Surat Thani