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

Return flights

27 May - 01 Jun	Thai AirAsia
22 May - 27 May	Thai AirAsia
27 May - 08 Jun	Thai VietJet Air
17 May - 22 May	Thai AirAsia
15 May - 27 May	Thai VietJet Air
20 May - 25 May	Thai VietJet Air
29 May - 31 May	Thai VietJet Air
10 May - 15 May	Nok Air
20 May - 22 May	Thai VietJet Air
15 May - 20 May	Thai VietJet Air
29 May - 03 Jun	Thai VietJet Air
11 May - 10 Jun	Thai VietJet Air
02 May - 06 May	Bangkok Airways
17 May - 23 May	Thai AirAsia
28 May - 02 Jun	Thai AirAsia
30 May - 06 Jun	HK Express

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

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 Chiang Mai to Osaka in May from $341

Return flights