593 - 1,126 GBP
Travelling from most locations, it is best to book your flight to Ko Samui during the month of June for the best deal, although there are other times of the year which offer great deals as well.
Most flyers found that booking flight tickets 60 days in advance of their planned departure date is, on average, the best time to get cheap flights to Ko Samui.
In general, booking your departure to Ko Samui for a Tuesday represents the best deal on airfare. Try to avoid a Friday departure to stay away from the highest prices.
Typically, cheap prices to Ko Samui are most often found for midday flights. Cheap prices are less likely for morning flights.