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

Return flights

27 Dec - 05 Jan	China Eastern
20 Dec - 05 Jan	China Eastern
22 Dec - 01 Jan	China Eastern
24 Dec - 05 Jan	China Eastern
23 Dec - 05 Jan	Air China
27 Dec - 04 Jan	China Eastern
23 Dec - 07 Jan	Air China
24 Dec - 03 Jan	China Eastern
04 Dec - 11 Dec	China Eastern
25 Dec - 05 Jan	China Eastern
23 Dec - 31 Dec	Air China
23 Dec - 01 Jan	Air China
06 Dec - 10 Dec	KLM
07 Dec - 11 Dec	KLM
06 Dec - 11 Dec	KLM
01 Dec - 05 Dec	China Eastern
03 Dec - 08 Dec	T'way Air
17 Dec - 31 Dec	Air China
01 Dec - 10 Dec	China Eastern
01 Dec - 11 Dec	China Eastern

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

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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Cheapest return flights from Seoul to Budapest in December from 395€

Return flights