Cheapest return flights from Seoul to Kathmandu in October from $366

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

Return flights

07 Oct - 11 Oct SriLankan Airlines
14 Oct - 25 Oct SriLankan Airlines
28 Oct - 01 Nov SriLankan Airlines
17 Oct - 20 Oct Air China
29 Oct - 12 Nov Air China
17 Oct - 27 Oct Air China
09 Oct - 17 Oct Air China
15 Oct - 30 Oct Air China
26 Oct - 29 Oct Air China
26 Oct - 30 Oct Air China
26 Oct - 31 Oct Air China
24 Oct - 31 Oct Air China
31 Oct - 14 Nov Air China
11 Oct - 16 Nov Air China
15 Oct - 16 Nov Air China
16 Oct - 16 Nov Air China
13 Oct - 15 Nov Air China
13 Oct - 16 Nov Air China
13 Oct - 14 Nov Air China
17 Oct - 14 Nov Air China

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

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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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