Cheap flights from Phuket City to Ko Samui from $142

The month of June is, on average, the cheapest month to fly to Ko Samui from Phuket City, with most prices found around $255. If you aren’t able to travel during the month of June, then book flights to Ko Samui from Phuket City during September instead. Flights to Ko Samui in September, while not as cheap as those in June, still average around $277.

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 $302. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Phuket City to Ko Samui for around $354.

Our data shows that the cheapest Phuket City to Ko Samui flights are usually those with departure times at midday. Our users have found flights to Ko Samui at midday for as low as $297. Flights in the morning are often more expensive, with an average ticket price of $338.

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 $313 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 $285 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.

58 flights are operational daily from Phuket City to Ko Samui as of August 2026. The most popular departure time for this route is 13:00, with 52% of flights per day taking off in the afternoon.

408 flights are operational weekly from Phuket City to Ko Samui as of August 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.