AirHint found the following cheapest return flights from Seoul (ICN) to Kathmandu (KTM) in October 2026 (see full year).

Return flights

24 Oct - 01 Nov	China Southern
19 Oct - 28 Oct	Air China
22 Oct - 25 Oct	Air China
09 Oct - 17 Oct	Air China
17 Oct - 31 Oct	Air China
19 Oct - 15 Nov	Air China
19 Oct - 12 Nov	Air China
19 Oct - 16 Nov	Air China
13 Oct - 07 Nov	Air China
27 Oct - 03 Nov	Air China
30 Oct - 13 Nov	Air China
31 Oct - 07 Nov	Air China
31 Oct - 28 Nov	Air China
03 Oct - 11 Oct	Air China
03 Oct - 17 Oct	Air China
03 Oct - 12 Oct	Air China
02 Oct - 09 Oct	Air China
03 Oct - 10 Oct	Air China
03 Oct - 13 Oct	Air China
20 Oct - 14 Nov	Air China

Also check the deals for one-way flights from Seoul 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 Seoul to Kathmandu in October from 361€

Return flights