Cheapest one-way flights from Ko Samui to Colombo in January from $251

AirHint found the following cheapest one-way flights from Ko Samui (USM) to Colombo (CMB) in January 2026 (see full year).

One-Way flights

28 Jan Bangkok Airways
31 Jan Scoot
05 Jan Bangkok Airways
06 Jan Bangkok Airways
04 Jan Bangkok Airways
03 Jan Bangkok Airways
02 Jan Bangkok Airways

Also check the deals for return flights from Ko Samui to Colombo in January.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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