AirHint found the following cheapest return flights from Tokyo (HND) to Kathmandu (KTM) in December 2025 (see full year).

Return flights

03 Dec - 10 Dec	Air China
19 Dec - 04 Jan	Juneyao Airlines
23 Dec - 30 Dec	Air China
26 Dec - 09 Jan	HK Express
01 Dec - 31 Dec	Thai Airways
17 Dec - 11 Jan	Thai Airways
18 Dec - 05 Jan	Singapore Airlines
25 Dec - 02 Jan	Air India
16 Dec - 19 Jan	Thai Airways
14 Dec - 08 Jan	Thai Airways
13 Dec - 19 Dec	Thai Airways
24 Dec - 05 Jan	Cathay Pacific
17 Dec - 05 Jan	Singapore Airlines
25 Dec - 06 Jan	Cathay Pacific
26 Dec - 31 Dec	Air India
03 Dec - 21 Dec	China Southern
06 Dec - 09 Dec	Emirates
29 Dec - 29 Dec	Emirates

Also check the deals for one-way flights from Tokyo to Kathmandu 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 Tokyo to Kathmandu in December from 436€

Return flights