Cheap flights from Ko Samui to Bangkok from £99

If you don’t want to visit Bangkok Suvarnabhumi Airport in February, then you should wait until September to fly from Ko Samui, when ticket prices are also cheap, with an average price of £148.

According to our data, Saturday is the cheapest day to fly to Bangkok Suvarnabhumi Airport from Ko Samui. The lowest ticket price found for a Saturday departure recently was £128. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Ko Samui to Bangkok Suvarnabhumi Airport for around £873.

According to our data, the cheapest time of day to fly to Bangkok Suvarnabhumi Airport is in the afternoon. momondo users have found flights departing from Ko Samui to Bangkok Suvarnabhumi Airport in the afternoon for as low as £135. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are £712 on average. Flights to Bangkok Suvarnabhumi Airport from Ko Samui in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You are more likely to see cheaper flights to Bangkok Suvarnabhumi Airport from Ko Samui when booking weeks ahead of your departure date. In general, you can expect to find flights to Bangkok Suvarnabhumi Airport for around £187 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bangkok Suvarnabhumi Airport from Ko Samui for as low as £97 on momondo.

There are 3 cabin classes available to choose from on Ko Samui to Bangkok Suvarnabhumi 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 14% of flights between Ko Samui and Bangkok have experienced a delay on any given week. The average delay length over the past 12 months has been 95 minutes.

Generally, flights departing in the morning 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. 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 14% of their flights experiencing any sort of delay.

As of March 2026, there are 340 flights per day flying from Ko Samui to Bangkok Suvarnabhumi Airport. The most common time of day flights depart is 19:00, with 40% of flights taking off in the afternoon.

As of March 2026, there are 2,381 flights per week flying from Ko Samui to Bangkok Suvarnabhumi Airport. The most common day of the week flights depart is Sun, with 15% of flights taking off on this day.