AirHint found the following cheapest return flights from Tokyo (TYO) to Kathmandu (KTM) in May 2026 (see full year).

Return flights

16 May - 21 May	Air China
11 May - 19 May	Air China
09 May - 19 May	Air China
11 May - 21 May	Air China
09 May - 22 May	Air China
11 May - 22 May	Air China
14 May - 19 May	Air China
11 May - 17 May	Air China
13 May - 14 Jun	Air China
16 May - 19 Jun	Thai VietJet Air
08 May - 21 May	Air China
08 May - 19 May	Air China
21 May - 05 Jun	Air China
20 May - 05 Jun	Singapore Airlines
12 May - 15 Jun	China Southern
02 May - 16 Jun	China Southern

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

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 May from 339€

Return flights