The best day to arrive at Koh Samui is Monday and it would be best to avoid Sunday, as prices are on average 33.13% higher than on Monday. (Average prices, based on 12446 datapoints.)
MondayAUD 149
Mon
TuesdayAUD 169
Tue
WednesdayAUD 168
Wed
ThursdayAUD 163
Thu
FridayAUD 160
Fri
SaturdayAUD 164
Sat
SundayAUD 199
Sun
Analyse direct flights between Koh Samui and Phuket.