AirHint found the following cheapest return flights from Osaka (KIX) to Chiang Mai (CNX) in October 2025 (see full year).

Return flights

22 Oct - 29 Oct	Air China
15 Oct - 19 Oct	Air China
19 Oct - 22 Oct	Air China
19 Oct - 24 Oct	Air China
22 Oct - 25 Oct	Air China
24 Oct - 27 Oct	Air China
23 Oct - 25 Oct	Air China
26 Oct - 29 Oct	Air China
26 Oct - 31 Oct	Air China
25 Oct - 27 Oct	Air China
31 Oct - 05 Nov	Air China
27 Oct - 03 Nov	Air China
28 Oct - 05 Nov	Air China
31 Oct - 02 Nov	Air China
29 Oct - 05 Nov	Air China
28 Oct - 27 Nov	Air China
29 Oct - 02 Nov	Air China
31 Oct - 04 Nov	Air China
31 Oct - 03 Nov	Air China
20 Oct - 01 Nov	Air China

Also check the deals for one-way flights from Osaka to Chiang Mai in October.

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 Osaka to Chiang Mai in October from 226€

Return flights