Cheapest return flights from Osaka to Chiang Mai in September from $209

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

Return flights

07 Sep - 14 Sep Thai VietJet Air direct
05 Sep - 08 Sep Thai VietJet Air direct
10 Sep - 13 Sep Air China
20 Sep - 23 Sep Air China
18 Sep - 23 Sep Air China
08 Sep - 14 Sep VietJet Air
08 Sep - 15 Sep VietJet Air
07 Sep - 08 Sep VietJet Air
08 Sep - 12 Sep VietJet Air
07 Sep - 12 Sep VietJet Air
29 Sep - 03 Oct Thai VietJet Air
29 Sep - 02 Oct Thai AirAsia X
27 Sep - 02 Oct Thai AirAsia X
22 Sep - 02 Oct Thai AirAsia X
23 Sep - 02 Oct Thai AirAsia X
24 Sep - 02 Oct Thai AirAsia X
25 Sep - 02 Oct Thai AirAsia X
30 Sep - 02 Oct Thai AirAsia X
14 Sep - 02 Oct Thai AirAsia X
27 Sep - 05 Oct Thai AirAsia X

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