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

Return flights

26 Aug - 05 Sep	Peach
20 Aug - 27 Aug	AirAsia X
16 Aug - 06 Sep	StarFlyer
18 Aug - 28 Aug	Air India
31 Aug - 05 Sep	Air India
28 Aug - 17 Sep	China Southern
18 Aug - 24 Aug	Air India
30 Aug - 07 Sep	Air India
23 Aug - 31 Aug	Air India
21 Aug - 31 Aug	Air India
20 Aug - 26 Aug	Air India
22 Aug - 24 Aug	Air India
18 Aug - 25 Aug	Air India
23 Aug - 02 Sep	Air India
30 Aug - 16 Sep	Air India
29 Aug - 27 Sep	Air India
31 Aug - 06 Sep	Air India
21 Aug - 27 Sep	Air India
23 Aug - 25 Aug	Air India
16 Aug - 20 Aug	Air India

Also check the deals for one-way flights from Tokyo to Kathmandu in August.

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 August from 500€

Return flights