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

Return flights

18 Apr - 27 Apr	Thai AirAsia	direct
19 Apr - 27 Apr	Thai AirAsia	direct
17 Apr - 27 Apr	Thai AirAsia	direct
18 Apr - 28 Apr	Thai AirAsia	direct
11 Apr - 27 Apr	Thai AirAsia	direct
19 Apr - 28 Apr	Thai AirAsia	direct
17 Apr - 28 Apr	Thai AirAsia	direct
11 Apr - 28 Apr	Thai AirAsia	direct
19 Apr - 10 May	Thai AirAsia

Also check the deals for one-way flights from Bangkok to Colombo 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 Bangkok to Colombo in April from 262€

Return flights