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

Return flights

24 Oct - 15 Nov	Korean Air
27 Oct - 18 Nov	Korean Air
21 Oct - 12 Nov	Singapore Airlines
28 Oct - 19 Nov	Singapore Airlines
10 Oct - 20 Oct	Korean Air
20 Oct - 14 Nov	Korean Air
27 Oct - 17 Nov	Korean Air
08 Oct - 18 Oct	Korean Air
08 Oct - 22 Oct	Korean Air
10 Oct - 25 Oct	Korean Air
27 Oct - 21 Nov	Korean Air
03 Oct - 13 Oct	Korean Air
02 Oct - 10 Oct	Korean Air
03 Oct - 10 Oct	Korean Air
02 Oct - 08 Oct	Korean Air
27 Oct - 19 Nov	Korean Air

Also check the deals for one-way flights from Busan to Kathmandu in October.

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 October from $1091

Return flights