Cheap flights from Singapore to Ko Samui from $159

In general, May is the cheapest month to fly from Singapore to Ko Samui. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $304. If you don’t want to visit Ko Samui in May, then you should wait until June to fly from Singapore, when ticket prices are also cheap, with an average price of $306.

Our data shows that Saturday is the least expensive day to fly to Ko Samui. Tickets to fly out on this day can be as low as $308. Flights from Singapore to Ko Samui on a Friday will generally be more expensive and average around $374. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our data shows that the cheapest Singapore to Ko Samui flights are usually those with departure times in the morning. Our users have found flights to Ko Samui in the morning for as low as $339. In the evening is when there is more demand to fly to Ko Samui, so prices are often more expensive at around $595 per ticket.

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 $339 when searching weeks out. 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 $309 on momondo.

There are 3 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 101 minutes.

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

Thursday is statistically the day of the week which experiences the fewest number of 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 least number of delays on this route over the last 12 months; with about 10% of their flights experiencing any sort of delay.

34 flights are operational daily from Singapore to Ko Samui as of February 2026. The most popular departure time for this route is 8:00PM, with 45% of flights per day taking off in the evening.

As of February 2026, 240 flights take off from Singapore and land in Ko Samui each week. The most common flight departure day for this route is Thu, with 19% of weekly flights taking off on this day.