We've gone through lots of different flights, to help you find the cheapest way to get from Singapore Changi International Airport to Koh Samui. You can choose from four airlines. At the moment, 15 / Apr / 2025 is the cheapest date to travel, but scroll through the results to find the option that works best for you.
There are 61 flights from Singapore Changi International Airport to or via Koh Samui every week. Out of the four available airlines, the most popular ones are Thai Airways International & Cathay Pacific. But that doesn’t necessarily mean they’ll be the best option for your travel dates. To see as many flights as possible, try widening your search to include other departure airports.
Generally speaking, the flight from Singapore Changi International Airport to Koh Samui takes around 4 hrs 55 mins. The fastest flight takes 1 hrs 55 mins to cover the 1010 km distance. You can view all flight times yourself in the results list.
You can also search by month, which will reveal the cheapest time of the week to fly.
