Cheap flights from Phuket City to Ko Samui from $73

In general, June is the cheapest month to fly from Phuket City to Ko Samui. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $179. 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 $184.

Our data shows that Saturday is the least expensive day to fly to Ko Samui. Tickets to fly out on this day can be as low as $192. Flights from Phuket City to Ko Samui on a Sunday will generally be more expensive and average around $248. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our data shows that the cheapest Phuket City to Ko Samui flights are usually those with departure times in the afternoon. Our users have found flights to Ko Samui in the afternoon for as low as $202. In the evening is when there is more demand to fly to Ko Samui, so prices are often more expensive at around $237 per ticket.

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 $222 when searching weeks out. 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 $209 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 in the early afternoon have, in the past, seen delays more frequently in comparison.

Monday is statistically the day of the week which experiences the fewest number of 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 least number of 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 47 flights per day flying from Phuket City to Ko Samui. The most common time of day flights depart is 2:00PM, with 66% of flights taking off in the afternoon.

As of November 2026, there are 331 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.