Cheap flights from Phuket City to Ko Samui from R1 443

The cheapest month to fly to Ko Samui from Phuket City is in June. Flight prices, which tend to average around R2 936, are often lower during this time because this is during the off-season. If you don’t want to visit Ko Samui in June, then you should wait until September to fly from Phuket City, when ticket prices are also cheap, with an average price of R3 018.

The cheapest day to depart on your flight to Ko Samui is on a Tuesday when prices can be found for as low as R3 332. This is often the case because there is less demand to fly during this day of the week. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Phuket City to Ko Samui for around R3 914.

In the afternoon is the cheapest time of day to fly from Phuket City to Ko Samui when you can find flight prices for as low as R3 228. Flying to Ko Samui in the afternoon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Ko Samui is in the morning when prices are around R3 625.

Fly from Phuket City to Ko Samui for the best Phuket City - Ko Samui flight prices

You are more likely to see cheaper flights to Ko Samui from Phuket City when booking weeks ahead of your departure date. In general, you can expect to find flights to Ko Samui for around R3 634 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 Phuket City for as low as R3 461 on momondo.

There is only 1 cabin class available to choose from on Phuket City 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 14% of flights between Phuket City and Ko Samui have experienced a delay on any given week. The average delay length over the past 12 months has been 71 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.

Monday 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, Bangkok Airways have had the fewest delays on this route over the last 12 months, with about 14% of their flights experiencing any sort of delay.

As of November 2026, there are 44 flights per day flying from Phuket City to Ko Samui. The most common time of day flights depart is 14:00, with 66% of flights taking off in the afternoon.

As of November 2026, there are 314 flights per week flying from Phuket City to Ko Samui. The most common day of the week flights depart is Wed, with 16% of flights taking off on this day.