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

Return flights

09 May - 24 May	Air China
14 May - 22 May	Air China
16 May - 24 May	Air China
21 May - 28 May	Air China
11 May - 24 May	Air China
18 May - 31 May	Air China
13 May - 22 May	Air China
14 May - 23 May	Air China
11 May - 29 May	Air China
11 May - 31 May	Air China
14 May - 14 Jun	Air China
23 May - 30 Jun	Air China
18 May - 02 Jun	Singapore Airlines
01 May - 06 Jun	Korean Air
15 May - 07 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 364€

Return flights