Thailand·USM·Asia
Cheap Flights to Koh Samui
$992 round trip from New York18 Feb–11 Mar
Find flights to Koh Samui
Compare live fares and find cheap flights to Koh Samui, Thailand — search hundreds of airlines and book direct.
Overview
Flying to Koh Samui
Country
Thailand
Region
Asia
Airport
USM
Cheapest month we saw
—
Climate
Weather in Koh Samui, month by month
The warmest month in Koh Samui is April, at an average high of 88°F; the coolest is January at 82°F. November brings the most rain.
| Month | High | Low | Rain | Ocean |
|---|---|---|---|---|
| January | 82°F | 77°F | 5.2 in | 84°F |
| February | 82°F | 77°F | 1.9 in | 84°F |
| March | 86°F | 79°F | 1.5 in | 86°F |
| April | 88°F | 81°F | 4.2 in | 90°F |
| May | 88°F | 81°F | 4.2 in | 90°F |
| June | 88°F | 81°F | 3.0 in | 88°F |
| July | 88°F | 79°F | 3.9 in | 86°F |
| August | 88°F | 79°F | 3.1 in | 88°F |
| September | 86°F | 79°F | 5.7 in | 86°F |
| Octoberthis month | 84°F | 77°F | 8.7 in | 88°F |
| November | 82°F | 77°F | 11.3 in | 86°F |
| December | 82°F | 77°F | 8.9 in | 84°F |
Ten-year average (2015–2024) of measured daily observations, not a brochure estimate.
Full Koh Samui guide coming soon
We're writing an in-depth guide to Koh Samui — attractions, food, hotels, transport and the best time to visit. Meanwhile, search live fares above and grab a deal.
Good to know
Flying to Koh Samui — your questions answered
- How much is a round trip flight to Koh Samui?
- The cheapest round trip we currently hold is $992 from New York (18 Feb–11 Mar). These are prices a live search returned, not a standing offer, and they move daily.
- When is it warm in Koh Samui?
- It is warm in Koh Samui all year: every month averages a daily high between 82°F and 88°F. These are ten-year averages (2015–2024) of measured observations, not estimates.
- What is the weather like in Koh Samui in October?
- In October, Koh Samui averages a daily high of 84°F and an overnight low of 77°F; about 8.7 inches of rain fall across the month; the sea averages 88°F. Ten-year measured averages — an individual week can differ.
Same country
More of Thailand
Nearby