starting at $164
starting at $176
starting at $183
starting at $228
starting at $260
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 Hanoi to Koh Samui. 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 Hanoi to Koh Samui, 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.
The Hanoi — Koh Samui route is served by a wide range of airlines: 5 in total, including Thai AirAsia, Vuelos Economicos Centroamericanos, Thai Vietjet Air, VietjetAir, and Thai Airways. Competition among carriers gives passengers the opportunity to find tickets at attractive fares — with prices starting from $164. Our service helps compare all available offers within seconds and choose the most convenient option. You can filter flights by price, departure time, or baggage rules to make your trip as comfortable as possible. With so many airlines, there’s always a chance to catch special promotions and save.
starting at $164
starting at $176
starting at $183
starting at $228
starting at $260
There appear to be no non-stop flights from Hanoi to Koh Samui 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 Hanoi — Koh Samui route
The cheapest one-way flight from Hanoi to Koh Samui departs on 10/03/2026, is operated by Thai AirAsia and costs $164
There is no information about the cheapest roundtrip flight from Hanoi to Koh Samui
Fastest flight from Hanoi to Koh Samui takes 7h 25m
There are no direct flights on this route.
The distance between Hanoi and Koh Samui is 1417km (879 miles). Hanoi and Koh Samui are in the same time zone
We couldn't find any special offers for flights from Hanoi to Koh Samui
The cheapest flight ticket from Hanoi to Koh Samui according to data for the last 48 hours costs $164
Often the best time to buy tickets from Hanoi to Koh Samui is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Hanoi to Koh Samui can be found flying in these months: October, May, September.
The fastest flights from Hanoi to Koh Samui start from 7 hours 25 minutes in the air.
The following airlines operate direct flights on the route Hanoi — Koh Samui:
The minimum one-way ticket price from Hanoi to Koh Samui is $176 (October 2026), while the maximum is $260 (December 2026). On average, a ticket costs $198–$203.
Ticket prices for Hanoi — Koh Samui are higher at the start and end of the period but lowest in the middle. This creates a convenient window for booking at a reduced price.
Prices fall from September 2026 to October 2026 (11%), then rise from October 2026 to December 2026 (+47%). The best period is September 2026–October 2026 ($187), the most expensive is December 2026–May 2027 ($218).
The best time to buy is September 2026–October 2026, when prices are at their lowest. This can save you up to 14% compared to the expensive months (December 2026–May 2027).
Monthly price variation is 16.7%. On this route, your departure date noticeably affects the cost, and choosing wisely can lead to real savings.