AirHint found the following cheapest return flights from Osaka (KIX) to Kathmandu (KTM) in April 2026 (see full year).

Return flights

11 Apr - 11 May	Thai AirAsia X
27 Apr - 30 May	Korean Air
28 Apr - 02 May	Thai Airways
24 Apr - 08 May	Thai Airways
25 Apr - 06 May	Thai AirAsia X
24 Apr - 06 May	Thai Airways
06 Apr - 25 Apr	Korean Air
25 Apr - 09 May	Korean Air
21 Apr - 07 May	China Southern
20 Apr - 31 May	China Southern
23 Apr - 21 May	China Southern
10 Apr - 16 Apr	Cathay Pacific
01 Apr - 15 Apr	China Southern
12 Apr - 22 Apr	Cathay Pacific
04 Apr - 19 Apr	Thai AirAsia X
12 Apr - 15 Apr	Cathay Pacific
01 Apr - 12 Apr	IndiGo
03 Apr - 03 Apr	Japan Airlines

Also check the deals for one-way flights from Osaka to Kathmandu in April.

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 Osaka to Kathmandu in April from $712

Return flights