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

Return flights

18 Dec - 25 Dec	Air China
21 Dec - 16 Jan	Air China
21 Dec - 17 Jan	Air China
21 Dec - 10 Jan	Air China
13 Dec - 16 Dec	Air China
02 Dec - 08 Jan	AirAsia X
03 Dec - 07 Dec	AirAsia X
02 Dec - 07 Dec	AirAsia X
01 Dec - 07 Dec	AirAsia X
03 Dec - 04 Dec	AirAsia X
02 Dec - 04 Dec	AirAsia X
01 Dec - 04 Dec	AirAsia X
01 Dec - 03 Dec	AirAsia X
02 Dec - 03 Dec	AirAsia X
16 Dec - 06 Jan	AirAsia X
16 Dec - 16 Jan	China Eastern
19 Dec - 06 Jan	AirAsia X
19 Dec - 08 Jan	AirAsia X
19 Dec - 11 Jan	AirAsia X
22 Dec - 06 Jan	Thai AirAsia X

Also check the deals for one-way flights from Osaka to Colombo 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.

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Cheapest return flights from Osaka to Colombo in December from $439

Return flights