Cheap flights from Bangkok Suvarnabhumi Airport to Ko Samui from €73

If you aren’t able to travel during the month of November, then book flights to Ko Samui from Bangkok Suvarnabhumi Airport during October instead. Flights to Ko Samui in October, while not as cheap as those in November, still average around €181.

The cheapest day to depart from Bangkok Suvarnabhumi Airport to Ko Samui is on a Friday when prices can be found for as low as €215. Flights from Bangkok Suvarnabhumi Airport to Ko Samui on a Monday will generally be more expensive and average around €259. 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 Suvarnabhumi Airport 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 €215. In contrast, the most expensive time of day to depart to Ko Samui is in the morning when prices are around €255.

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

You are more likely to see cheaper flights to Ko Samui from Bangkok Suvarnabhumi Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Ko Samui for around €220 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 Suvarnabhumi Airport for as low as €174 on momondo.

There are 2 cabin classes available to choose from on Bangkok Suvarnabhumi Airport 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 92 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.

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday 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.

The number of flights available between Bangkok Suvarnabhumi Airport and Ko Samui is 280 per day as of June 2026. The most frequent departure time is 15:00, with 43% of daily flights leaving at midday.

As of June 2026, 1,966 flights take off from Bangkok Suvarnabhumi Airport and land in Ko Samui each week. The most common flight departure day for this route is Fri, with 16% of weekly flights taking off on this day.