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

Return flights

05 Dec - 11 Dec	Scandinavian Airlines
05 Dec - 09 Dec	Scandinavian Airlines
08 Dec - 11 Dec	Scandinavian Airlines
03 Dec - 11 Dec	Scandinavian Airlines
31 Dec - 15 Jan	Scandinavian Airlines
01 Dec - 10 Dec	Air China
15 Dec - 31 Dec	Air China
08 Dec - 14 Dec	Air China
07 Dec - 13 Dec	Air China
01 Dec - 13 Dec	Air China
06 Dec - 20 Dec	Air China
04 Dec - 12 Jan	Air China
04 Dec - 11 Jan	Air China
04 Dec - 09 Jan	Air China
04 Dec - 14 Jan	Air China
04 Dec - 15 Jan	Air China
03 Dec - 12 Jan	Air China
04 Dec - 13 Jan	Air China
04 Dec - 19 Jan	Air China
04 Dec - 16 Jan	Air China

Also check the deals for one-way flights from Seoul to Barcelona 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.

Book a cheap hotel in Barcelona

Cheap car rent in Barcelona

Cheapest return flights from Seoul to Barcelona in December from $564

Return flights