AirHint found the following cheapest return flights from Colombo (CMB) to Bangkok (DMK) in April 2026 (see full year).

Return flights

09 Apr - 20 Apr	Thai AirAsia	direct
24 Apr - 29 Apr	Thai AirAsia	direct
14 Apr - 20 Apr	Thai AirAsia	direct
11 Apr - 19 Apr	Thai AirAsia	direct
13 Apr - 20 Apr	Thai AirAsia	direct
09 Apr - 18 Apr	Thai AirAsia	direct
09 Apr - 17 Apr	Thai AirAsia	direct
10 Apr - 20 Apr	Thai AirAsia	direct
09 Apr - 29 Apr	Thai AirAsia	direct
14 Apr - 18 Apr	Thai AirAsia	direct

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

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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Cheapest return flights from Colombo to Bangkok in April from $312

Return flights