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

Return flights

20 Apr - 23 Apr	Air China
15 Apr - 22 Apr	Air China
24 Apr - 30 Apr	Peach
21 Apr - 24 Apr	Thai AirAsia X
29 Apr - 03 May	Thai AirAsia X
20 Apr - 27 Apr	Air China
24 Apr - 29 Apr	Thai AirAsia X
24 Apr - 28 Apr	Thai AirAsia X
25 Apr - 01 May	Peach
22 Apr - 28 Apr	Thai AirAsia X
02 Apr - 15 Apr	Jeju Air
30 Apr - 04 May	EVA Air
29 Apr - 04 May	EVA Air
25 Apr - 29 Apr	HK Express
24 Apr - 09 May	STARLUX Airlines
29 Apr - 02 May	Thai AirAsia X
25 Apr - 06 May	Peach

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

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 April from $246

Return flights