Cheapest return flights from Seoul to Kathmandu in December from $522

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

Return flights

07 Dec - 14 Dec Air China
07 Dec - 27 Dec Air China
11 Dec - 30 Dec Air China
24 Dec - 03 Jan Air China
25 Dec - 03 Jan Air China
25 Dec - 25 Jan Thai Airways
11 Dec - 19 Dec China Southern
12 Dec - 15 Dec Korean Air direct

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

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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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