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

Return flights

03 Sep - 10 Sep	Thai AirAsia
26 Sep - 28 Sep	Thai AirAsia
26 Sep - 05 Oct	Thai AirAsia
26 Sep - 02 Oct	Thai AirAsia
26 Sep - 03 Oct	Thai AirAsia
18 Sep - 28 Sep	Thai AirAsia
19 Sep - 28 Sep	Thai AirAsia
20 Sep - 28 Sep	Thai AirAsia
11 Sep - 14 Sep	Thai AirAsia
11 Sep - 16 Sep	Thai AirAsia
11 Sep - 28 Sep	Thai AirAsia
18 Sep - 05 Oct	Thai AirAsia
18 Sep - 02 Oct	Thai AirAsia
19 Sep - 05 Oct	Thai AirAsia
19 Sep - 02 Oct	Thai AirAsia
20 Sep - 05 Oct	Thai AirAsia
20 Sep - 02 Oct	Thai AirAsia
11 Sep - 02 Oct	Thai AirAsia
02 Sep - 14 Sep	Thai AirAsia
02 Sep - 16 Sep	Thai AirAsia

Also check the deals for one-way flights from Chiang Mai 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 Chiang Mai to Yangon in September from 153€

Return flights