AirHint found the following cheapest return flights from Chiang Mai (CNX) to Osaka (KIX) in December 2025 (see full year).

Return flights

05 Dec - 13 Dec	Thai AirAsia
05 Dec - 30 Jan	Thai AirAsia
12 Dec - 19 Dec	Cebu Pacific
10 Dec - 14 Dec	Thai VietJet Air
10 Dec - 15 Dec	Thai VietJet Air
09 Dec - 14 Dec	Thai AirAsia
18 Dec - 30 Jan	Thai AirAsia
08 Dec - 12 Dec	Eastar Jet
06 Dec - 10 Dec	Thai AirAsia
03 Dec - 10 Dec	Thai AirAsia
02 Dec - 10 Dec	Thai AirAsia
05 Dec - 09 Dec	Thai AirAsia
29 Dec - 12 Jan	Thai AirAsia
26 Dec - 06 Jan	Thai AirAsia
27 Dec - 02 Jan	China Airlines
29 Dec - 02 Jan	Thai VietJet Air
24 Dec - 03 Jan	Thai VietJet Air
26 Dec - 02 Jan	Thai AirAsia
28 Dec - 01 Jan	Thai AirAsia
27 Dec - 04 Jan	Thai AirAsia

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

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.

Book a cheap hotel in Osaka

Cheap car rent in Osaka

Cheapest return flights from Chiang Mai to Osaka in December from $323

Return flights