Cheap flights from Bangkok to Ko Samui from €82

If you aren’t able to travel during the month of October, then book flights to Ko Samui from Bangkok during November instead. Flights to Ko Samui in November, while not as cheap as those in October, still average around €184.

The cheapest day to depart from Bangkok to Ko Samui is on a Friday when prices can be found for as low as €213. Flights from Bangkok to Ko Samui on a Wednesday will generally be more expensive and average around €303. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our data shows that the cheapest Bangkok to Ko Samui flights are usually those with departure times in the afternoon. Our users have found flights to Ko Samui in the afternoon for as low as €213. In contrast, the most expensive time of day to depart to Ko Samui is at midday when prices are around €293.

Fly from Bangkok Suvarnabhumi to Ko Samui for the best Bangkok - Ko Samui flight prices

You are more likely to see cheaper flights to Ko Samui from Bangkok when booking weeks ahead of your departure date. In general, you can expect to find flights to Ko Samui for around €222 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ko Samui from Bangkok for as low as €181 on momondo.

There is only 1 cabin class available to choose from on Bangkok to Ko Samui flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 17% of flights between Bangkok and Ko Samui have experienced a delay on any given week. The average delay length over the past 12 months has been 94 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, Bangkok Airways have had the fewest delays on this route over the last 12 months, with about 17% of their flights experiencing any sort of delay.

As of August 2026, 304 flights take off from Bangkok and land in Ko Samui each day. The most common flight departure time for this route is 14:00, with 45% of daily flights taking off in the afternoon.

2,130 flights are operational weekly from Bangkok to Ko Samui as of August 2026. The most popular departure day for this route is Thu, with 17% of flights per week taking off on this day.