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

Return flights

18 Dec - 30 Jan	Air China
10 Dec - 17 Dec	Air China
01 Dec - 11 Dec	Air China
03 Dec - 05 Dec	Air China
06 Dec - 08 Dec	Air China
03 Dec - 07 Dec	Air China
05 Dec - 08 Dec	Air China
05 Dec - 09 Dec	Air China
06 Dec - 09 Dec	Air China
12 Dec - 19 Dec	Air China
18 Dec - 25 Dec	Air China
20 Dec - 03 Jan	Air China
15 Dec - 04 Jan	Air China
31 Dec - 09 Jan	Thai Airways
24 Dec - 05 Jan	Thai Airways
27 Dec - 06 Jan	Korean Air
27 Dec - 05 Jan	Air China
30 Dec - 03 Jan	Air China
27 Dec - 03 Jan	Air China
31 Dec - 04 Jan	Cathay Pacific

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 373€

Return flights