Cheap flights from Singapore to Ko Samui from $224

The month of September is, on average, the cheapest month to fly to Ko Samui from Singapore, with most prices found around $422. If you aren’t able to travel during the month of September, then book flights to Ko Samui from Singapore during June instead. Flights to Ko Samui in June, while not as cheap as those in September, still average around $422.

According to our data, Thursday is the cheapest day to fly to Ko Samui from Singapore. The lowest ticket price found for a Thursday departure recently was $439. 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 Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Singapore to Ko Samui for around $652.

Our data shows that the cheapest Singapore 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 $461. Flights in the evening are often more expensive, with an average ticket price of $516.

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 $475 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 $432 on momondo.

Historically, on average around 11% 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 99 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.

As of May 2026, there are 33 flights per day flying from Singapore to Ko Samui. The most common time of day flights depart is 20:00, with 45% of flights taking off in the evening.

236 flights are operational weekly from Singapore to Ko Samui as of May 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.