Cheapest return flights from Seoul to Kathmandu in December from 290€

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

Return flights

03 Dec - 14 Dec SriLankan Airlines
03 Dec - 14 Jan SriLankan Airlines
31 Dec - 04 Jan SriLankan Airlines
29 Dec - 03 Jan Air China
18 Dec - 31 Jan Air China
01 Dec - 10 Dec Air China
19 Dec - 27 Dec Air China
13 Dec - 20 Dec Air India
20 Dec - 27 Dec Air India
16 Dec - 27 Dec Air India
25 Dec - 03 Jan Air India
27 Dec - 03 Jan Air India
27 Dec - 10 Jan Air India
30 Dec - 03 Jan Air India
16 Dec - 29 Dec Air India
01 Dec - 15 Dec Thai Airways
06 Dec - 12 Dec Thai Airways
30 Dec - 30 Jan Air India
29 Dec - 05 Jan Thai Airways
16 Dec - 30 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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