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

One-Way flights

21 Sep	Thai VietJet Air	direct
14 Sep	Thai VietJet Air	direct
22 Sep	Thai VietJet Air	direct
13 Sep	HK Express
23 Sep	Thai AirAsia
04 Sep	HK Express
08 Sep	HK Express
06 Sep	HK Express
07 Sep	HK Express
09 Sep	HK Express

Also check the deals for return flights from Chiang Mai to Osaka 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 one-way flights from Chiang Mai to Osaka in September from 100€

One-Way flights