Cheapest return flights from Ko Samui to Colombo in April from $612

Best time to book flights for Ko Samui (USM) to Colombo (CMB) flights at AirHint

AirHint found the following cheapest return flights from Ko Samui (USM) to Colombo (CMB) in April 2025 (see full year).

Return flights

17 Apr - 22 Apr Scoot Tigerair
27 Apr - 06 May Bangkok Airways
08 Apr - 15 Apr Scoot Tigerair
14 Apr - 27 Apr Thai Airways

Also check the deals for one-way flights from Ko Samui to Colombo in April.

Skyscanner

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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