Cheapest return flights from Seoul to Kathmandu in December from 358€

Best time to book flights for Seoul (ICN) to Kathmandu (KTM) flights at AirHint

AirHint found the following cheapest return flights from Seoul (ICN) to Kathmandu (KTM) in December 2025 (see full year).

Return flights

27 Dec - 04 Jan SriLankan Airlines
20 Dec - 28 Dec SriLankan Airlines
10 Dec - 17 Dec Air China
25 Dec - 11 Jan Air China
20 Dec - 03 Jan Air India
23 Dec - 16 Jan Air India
06 Dec - 13 Dec Air India
22 Dec - 16 Jan Thai Airways
15 Dec - 22 Dec Thai Airways

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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