Cheapest return flights from Brussels to Seoul in December from $625

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

Return flights

01 Dec - 14 Dec Lufthansa
29 Dec - 29 Jan Turkish Airlines
11 Dec - 24 Dec Turkish Airlines
30 Dec - 13 Jan Finnair
15 Dec - 28 Dec Finnair
15 Dec - 31 Dec Finnair
28 Dec - 11 Jan Finnair
28 Dec - 04 Jan Finnair
26 Dec - 10 Jan Finnair
18 Dec - 29 Dec Scandinavian Airlines
19 Dec - 02 Jan Finnair
23 Dec - 03 Jan Finnair
26 Dec - 03 Jan Finnair
17 Dec - 28 Dec Turkish Airlines

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

Skyscanner

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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