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

Return flights

18 Mar - 20 Mar	Japan Airlines
27 Mar - 31 Mar	Japan Airlines
16 Mar - 18 Mar	Japan Airlines
19 Mar - 22 Mar	Japan Airlines
28 Mar - 31 Mar	Japan Airlines
23 Mar - 29 Mar	Japan Airlines
06 Mar - 11 Mar	Japan Airlines
25 Mar - 29 Mar	Japan Airlines
20 Mar - 23 Mar	Japan Airlines
07 Mar - 14 Mar	Japan Airlines

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 497€

Return flights