Cheap flights from Phuket City to Ko Samui from £71

The cheapest month to fly to Ko Samui from Phuket City is in June. Flight prices, which tend to average around £134, 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 £138.

According to our data, Sunday is the cheapest day to fly to Ko Samui from Phuket City. The lowest ticket price found for a Sunday departure recently was £156. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. 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 Ko Samui on Monday is £195.

Our most recent data shows that the best time of day to fly to Ko Samui is in the afternoon. Flights from Phuket City to Ko Samui during this time can be as low as £159. Flights at midday are often more expensive, with an average ticket price of £185.

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 £166 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 £158 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.

The number of flights available between Phuket City and Ko Samui is 56 per day as of October 2026. The most frequent departure time is 13:00, with 58% of daily flights leaving in the afternoon.

As of October 2026, there are 392 flights per week flying from Phuket City to Ko Samui. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.