Cheapest return flights from Kathmandu to Seoul in September from $625

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

Return flights

11 Sep - 25 Sep Malaysia Airlines
12 Sep - 26 Sep Air China
12 Sep - 26 Sep Korean Air direct

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

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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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