Cheap flights from Bangkok Suvarnabhumi Airport to Ko Samui from C$ 136

The month of November is, on average, the cheapest month to fly to Ko Samui from Bangkok Suvarnabhumi Airport, with most prices found around C$ 270. If you aren’t able to travel to Ko Samui during the month of November, then flying in September is also cheap. Prices for this month can be found on momondo for an average of C$ 274.

Our data shows that Thursday is the least expensive day to fly to Ko Samui. Tickets to fly out on this day can be as low as C$ 253. Flights from Bangkok Suvarnabhumi Airport to Ko Samui on a Saturday will generally be more expensive and average around C$ 419. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

According to our data, the cheapest time of day to fly to Ko Samui is in the evening. momondo users have found flights departing from Bangkok Suvarnabhumi Airport to Ko Samui in the evening for as low as C$ 353. 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 at noon when prices are C$ 401 on average. Flights to Ko Samui from Bangkok Suvarnabhumi Airport at noon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You are more likely to see cheaper flights to Ko Samui from Bangkok Suvarnabhumi Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Ko Samui for around C$ 336 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ko Samui from Bangkok Suvarnabhumi Airport for as low as C$ 250 on momondo.

There are 3 cabin classes available to choose from on Bangkok Suvarnabhumi 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 18% of flights between Bangkok and Ko Samui have experienced a delay on any given week. The average delay length over the past 12 months has been 91 minutes.

Generally, flights departing at night 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 has had the least delays on this route over the last 12 months, with about 18% of their flights experiencing any sort of delay.

As of March 2026, 345 flights take off from Bangkok Suvarnabhumi Airport and land in Ko Samui each day. The most common flight departure time for this route is 11:00a.m., with 48% of daily flights taking off at noon.

As of March 2026, there are 2,419 flights per week flying from Bangkok Suvarnabhumi Airport to Ko Samui. The most common day of the week flights depart is Sat, with 15% of flights taking off on this day.