Cheap flights from Ko Samui to Singapore from $249

In general, November is the cheapest month to fly from Ko Samui to Singapore. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $403. If you aren’t able to travel during the month of November, then book flights to Singapore from Ko Samui during May instead. Flights to Singapore in May, while not as cheap as those in November, still average around $404.

The cheapest day to depart on your flight to Singapore is on a Sunday when prices can be found for as low as $614. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Singapore on Monday is $1,854.

In the morning is the cheapest time of day to fly from Ko Samui to Singapore when you can find flight prices for as low as $614. Flying to Singapore in the morning is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around $1,515. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

There are 3 cabin classes available to choose from on Ko Samui to Singapore flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

As of June 2026, prices for Ko Samui to Singapore flights are approximately 0% more expensive when compared to flights at the same time last year.

Historically, on average around 8% of flights between Ko Samui and Singapore have experienced a delay on any given week. The average delay length over the past 12 months has been 98 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. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Scoot have had the fewest delays on this route over the last 12 months, with about 6% of their flights experiencing any sort of delay.

The number of flights available between Ko Samui and Singapore is 34 per day as of June 2026. The most frequent departure time is 16:00, with 76% of daily flights leaving in the afternoon.

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