AirHint found the following cheapest return flights from Osaka (KIX) to Chiang Mai (CNX) in March 2026 (see full year).

Return flights

18 Mar - 24 Mar	Thai AirAsia X
25 Mar - 31 Mar	Thai AirAsia X
04 Mar - 18 Mar	Thai AirAsia X
17 Mar - 23 Apr	Thai AirAsia X
06 Mar - 13 Mar	Air China
09 Mar - 20 Mar	Air China
21 Mar - 24 Mar	Thai AirAsia X
05 Mar - 18 Mar	Air China
09 Mar - 18 Mar	Air China
09 Mar - 13 Mar	Air China
09 Mar - 15 Mar	Air China
09 Mar - 20 Apr	Air China
16 Mar - 12 Apr	Air China
13 Mar - 22 Apr	VietJet Air
17 Mar - 03 Apr	VietJet Air
21 Mar - 03 Apr	VietJet Air
18 Mar - 03 Apr	VietJet Air
19 Mar - 03 Apr	VietJet Air
20 Mar - 03 Apr	VietJet Air
25 Mar - 01 Apr	Jeju Air

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

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 March from $311

Return flights