Cheap flights from Bangkok to Ko Samui from ₹ 9,399

If you are unable to visit Ko Samui during the month of November, then departing from Bangkok during the month September is also very affordable. Most momondo users find prices during this month for around ₹ 18,429.

On average, the least expensive day to fly to Ko Samui from Bangkok is on a Thursday. momondo users have found tickets for Thursday departures for as low as ₹ 12,805. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Ko Samui is Wednesday, with ticket prices averaging around ₹ 29,373.

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 ₹ 22,439. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Ko Samui are more costly in the afternoon, with an average ticket price of ₹ 30,280. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Utapao Rayong Pattaya 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 ₹ 22,583 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 Bangkok for as low as ₹ 16,770 on momondo.

There is only 1 cabin class available to choose from on Bangkok 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 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 have had the fewest delays on this route over the last 12 months, with about 17% of their flights experiencing any sort of delay.

As of March 2026, 347 flights take off from Bangkok and land in Ko Samui each day. The most common flight departure time for this route is 11:00, with 48% of daily flights taking off at midday.

The number of flights available between Bangkok and Ko Samui is 2,433 per week as of March 2026. The most frequent departure day is Tue, with 15% of weekly flights leaving on this day.