There are most likely no direct flights on the Koh Samui — Vientiane 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 Vientiane. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
A non-stop flight is the most convenient and comfortable way to fly from Koh Samui to Vientiane, 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.
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There are most likely no direct flights on the Koh Samui — Vientiane route
There appear to be no non-stop flights from Koh Samui to Vientiane at this time.... Well, or something went wrong on our side and we couldn't find anything
starting at $254
You can fly from Koh Samui to Vientiane with Bangkok Airways. It is the only carrier on this route, which makes the choice straightforward. Despite the lack of competition, ticket prices remain affordable: fares start from $254. Our service helps you track price changes, compare by dates, and select the most suitable flight. If you value stability and predictability, flying with Bangkok Airways is a convenient solution. We make it easy to find good deals and ensure a comfortable booking process.
The cheapest one-way flight from Koh Samui to Vientiane departs on 01/14/2027, is operated by Bangkok Airways and costs $254
There is no information about the cheapest roundtrip flight from Koh Samui to Vientiane
Fastest flight from Koh Samui to Vientiane takes 15h 5m
There are no direct flights on this route.
The distance between Koh Samui and Vientiane is 974km (604 miles). Koh Samui and Vientiane are in the same time zone
We couldn't find any special offers for flights from Koh Samui to Vientiane
The cheapest flight ticket from Koh Samui to Vientiane according to data for the last 48 hours costs $254
Often the best time to buy tickets from Koh Samui to Vientiane is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Koh Samui to Vientiane can be found flying in these months: January, December, July.
The fastest flights from Koh Samui to Vientiane start from 15 hours 5 minutes in the air.
The following airlines operate direct flights on the route Koh Samui — Vientiane:
In different months, ticket prices from Koh Samui to Vientiane vary: minimum — $200 (January 2027), maximum — $269 (July 2026). Typically, the flight costs $228–$483.
Flight costs on the Koh Samui — Vientiane route are confidently going down. From July 2026 to January 2027, prices fell from $269 to $200 — a 26% decrease. A welcome trend for travelers.
The most notable drop occurred from July 2026 to January 2027 — down 26%. The best period is December 2026–January 2027 (averaging $207), while the most expensive is July 2026–December 2026 ($242).
Since prices are falling, there's no rush to buy. The most cost-effective travel period is December 2026–January 2027: savings compared to expensive months can reach up to 14%.
Monthly price variation is 13.1%. Choosing the right departure date can lead to significant savings on this route.