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

Return flights

08 Dec - 14 Dec	Cathay Pacific
01 Dec - 07 Dec	Cathay Pacific
31 Dec - 11 Jan	Cathay Pacific
15 Dec - 04 Jan	Cathay Pacific
01 Dec - 06 Dec	Cathay Pacific
14 Dec - 21 Dec	Cathay Pacific
01 Dec - 13 Dec	Cathay Pacific
13 Dec - 20 Dec	Thai Airways
07 Dec - 13 Dec	Malaysia Airlines
17 Dec - 31 Dec	Thai Airways
17 Dec - 20 Dec	Thai Airways
18 Dec - 21 Dec	Thai Airways
31 Dec - 01 Jan	Cathay Pacific
20 Dec - 03 Jan	SriLankan Airlines
19 Dec - 03 Jan	Emirates

Also check the deals for one-way flights from Colombo to Tokyo 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 Colombo to Tokyo in December from $449

Return flights