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

Return flights

12 Aug - 19 Aug	Jin Air
21 Aug - 28 Aug	Vietnam Airlines
26 Aug - 30 Aug	Korean Air
13 Aug - 25 Aug	Korean Air
20 Aug - 30 Aug	Korean Air
02 Aug - 07 Aug	Singapore Airlines
06 Aug - 11 Aug	Korean Air
01 Aug - 09 Aug	Korean Air

Also check the deals for one-way flights from Busan 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 Busan to Kathmandu in August from 468€

Return flights