Currently, the most affordable month to book a THAI Smile flight from Chiang Mai to Koh Samui in November, with an average price of ฿141. Conversely, traveling with THAI Smile from Chiang Mai to Koh Samui in February will be the most expensive, with an average cost of ฿242. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
January
฿8,769
February
฿8,917
March
฿7,406
April
฿7,885
May
฿6,190
June
฿6,780
July
฿6,964
August
฿6,853
September
฿6,006
October
฿5,932
November
฿5,195
December
฿7,848
USM Temperature | 27 - 29 °C |
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If weather is an important factor for your trip to Koh Samui, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 27.0 C).
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