Currently, the most affordable month to book a Thai Airways flight from Bangkok Suvarnabhumi Airport to Koh Samui in May, with an average price of S$ 330. Conversely, traveling with Thai Airways from Bangkok Suvarnabhumi Airport to Koh Samui in February will be the most expensive, with an average cost of S$ 529. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
January
S$ 584
February
S$ 715
March
S$ 665
April
S$ 494
May
S$ 446
June
S$ 455
July
S$ 588
August
S$ 534
September
S$ 501
October
S$ 462
November
S$ 511
December
S$ 488
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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