Cheapest return flights from Bangkok to Colombo in September from $267

AirHint found the following cheapest return flights from Bangkok (BKK) to Colombo (CMB) in September 2025 (see full year).

Return flights

04 Sep - 07 Sep AirAsia
03 Sep - 08 Sep AirAsia
24 Sep - 29 Sep Thai AirAsia
11 Sep - 18 Sep Thai AirAsia
12 Sep - 19 Sep Thai AirAsia
17 Sep - 24 Sep Thai AirAsia
30 Sep - 07 Oct Thai AirAsia
25 Sep - 10 Oct Thai AirAsia
15 Sep - 22 Sep Thai AirAsia
02 Sep - 17 Sep Thai AirAsia
15 Sep - 20 Sep Thai AirAsia
25 Sep - 28 Sep Thai AirAsia direct
25 Sep - 03 Oct Thai AirAsia direct
25 Sep - 08 Oct Thai AirAsia direct
25 Sep - 01 Oct Thai AirAsia direct
25 Sep - 15 Oct Thai AirAsia direct
25 Sep - 06 Oct Thai AirAsia direct
25 Sep - 11 Oct Thai AirAsia direct
23 Sep - 03 Oct Thai AirAsia direct
23 Sep - 08 Oct Thai AirAsia direct

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

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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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