Cheap flights from Bangkok to Ko Samui from C$ 109

The month of November is, on average, the cheapest month to fly to Ko Samui from Bangkok, with most prices found around C$ 262. 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$ 270.

Our data shows that Tuesday is the least expensive day to fly to Ko Samui. Tickets to fly out on this day can be as low as C$ 306. Flights from Bangkok to Ko Samui on a Saturday will generally be more expensive and average around C$ 422. 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 morning. momondo users have found flights departing from Bangkok to Ko Samui in the morning for as low as C$ 341. 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$ 399 on average. Flights to Ko Samui from Bangkok 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 - Ko Samui flight prices

You are more likely to see cheaper flights to Ko Samui from Bangkok when booking weeks ahead of your departure date. In general, you can expect to find flights to Ko Samui for around C$ 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 Bangkok for as low as C$ 273 on momondo.

Historically, on average around 17% 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 93 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 17% of their flights experiencing any sort of delay.

The number of flights available between Bangkok and Ko Samui is 321 per day as of April 2026. The most frequent departure time is 3:00p.m., with 47% of daily flights leaving in the afternoon.

The number of flights available between Bangkok and Ko Samui is 2,249 per week as of April 2026. The most frequent departure day is Tue, with 15% of weekly flights leaving on this day.