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

Return flights

09 Mar - 16 Mar	Thai AirAsia
18 Mar - 25 Mar	Thai AirAsia	direct
06 Mar - 10 Mar	AirAsia
07 Mar - 17 Mar	AirAsia
30 Mar - 07 Apr	AirAsia
06 Mar - 10 Mar	Thai AirAsia	direct
05 Mar - 06 Mar	Thai AirAsia
27 Mar - 31 Mar	Thai AirAsia
28 Mar - 31 Mar	Thai AirAsia
04 Mar - 11 Mar	Thai AirAsia
04 Mar - 10 Mar	Thai AirAsia
10 Mar - 07 Apr	AirAsia
30 Mar - 09 Apr	AirAsia
04 Mar - 28 Apr	Thai AirAsia	direct
04 Mar - 28 Apr	Thai AirAsia
30 Mar - 05 Apr	AirAsia
30 Mar - 04 Apr	AirAsia
25 Mar - 05 Apr	Thai AirAsia	direct
27 Mar - 02 Apr	Thai AirAsia

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

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 March from $221

Return flights