Cheap flights from Singapore to Ko Samui from £126

The cheapest month to fly to Ko Samui from Singapore is in June. Flight prices, which tend to average around £229, are often lower during this time because this is during the off-season. If you don’t want to visit Ko Samui in June, then you should wait until September to fly from Singapore, when ticket prices are also cheap, with an average price of £230.

According to our data, Friday is the cheapest day to fly to Ko Samui from Singapore. The lowest ticket price found for a Friday departure recently was £252. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Ko Samui on Thursday is £296.

Our most recent data shows that the best time of day to fly to Ko Samui is in the afternoon. Flights from Singapore to Ko Samui during this time can be as low as £261. Flights in the evening are often more expensive, with an average ticket price of £315.

Fly from Singapore Changi to Ko Samui for the best Singapore Changi - Ko Samui flight prices

You are more likely to see cheaper flights to Ko Samui from Singapore when booking weeks ahead of your departure date. In general, you can expect to find flights to Ko Samui for around £255 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 Singapore for as low as £237 on momondo.

There are 2 cabin classes available to choose from on Singapore Changi 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 12% of flights between Singapore and Ko Samui have experienced a delay on any given week. The average delay length over the past 12 months has been 102 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 10% of their flights experiencing any sort of delay.

The number of flights available between Singapore and Ko Samui is 33 per day as of March 2026. The most frequent departure time is 20:00, with 50% of daily flights leaving in the evening.

The number of flights available between Singapore and Ko Samui is 235 per week as of March 2026. The most frequent departure day is Sat, with 19% of weekly flights leaving on this day.