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

Return flights

23 Sep - 27 Sep	Thai AirAsia
23 Sep - 29 Sep	Thai AirAsia
27 Sep - 29 Sep	Thai AirAsia
23 Sep - 01 Oct	Thai AirAsia
18 Sep - 22 Sep	Thai AirAsia
27 Sep - 01 Oct	Thai AirAsia
27 Sep - 15 Oct	Thai AirAsia
25 Sep - 27 Sep	Thai AirAsia
25 Sep - 29 Sep	Thai AirAsia
25 Sep - 01 Oct	Thai AirAsia
25 Sep - 15 Oct	Thai AirAsia
18 Sep - 27 Sep	Thai AirAsia
18 Sep - 29 Sep	Thai AirAsia
18 Sep - 01 Oct	Thai AirAsia
18 Sep - 20 Sep	Thai AirAsia

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

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 Yangon in September from 355€

Return flights