Find the cheapest flights on Expedia from Colombo (CMB) to Samui Intl. Airport (USM). Flight ticket prices change frequently based on availability and demand. We send price-drop alerts to make air travel simple and flexible. The lowest one-way fare found on Expedia for this route in the past 7 days starts at NZ$768 for travel on 12 November 2026.
Cheap Flights from Colombo to Koh Samui (CMB-USM)
Prices were available within the past 7 days and start at NZ$768 for one-way flights and NZ$1,197 for return, for the period specified. Prices and availability are subject to change.
Ready to have the time of your life? When you use Expedia.co.nz to book cheap flights from Colombo to Koh Samui, you can experience all of the attractions this city is famous for, or escape the crowds and explore the outskirts on your own. Our amazing deals on airfare help you save big on tickets, so you can spend more of your hard-earned money enjoying local entertainment options. Even if you seek to score a seat on one of the last-minute CMB to USM flights, you’ll still save a bundle when compared to the competition.
See for yourself how simple it is to book the holiday of your dreams to Koh Samui by using our helpful search engine today. We have the largest inventory of flights on the internet, and our intuitive tools make it easy to find affordable airfare at any time of year.
Prefer to fly with a particular airline? Our extensive network of travel partners ensures that you can travel with whichever carrier you prefer. So if you’ve been searching for cheap flights to Koh Samui from Colombo, Expedia.co.nz has exactly what you’re looking for. As the world’s leader in travel, we’re committed to helping you get the best rates around.
Travel information
Origin airport
Bandaranaike Intl. Airport
Destination airport
Samui Intl. Airport
Distance
2,234 km away
Airlines serving
Cathay Pacific, Singapore Airlines, Thai Airways International, Malaysia Airlines