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

Return flights

15 Dec - 22 Dec	Air China
15 Dec - 23 Dec	Air China
04 Dec - 06 Dec	Air China
05 Dec - 13 Dec	Air China
11 Dec - 24 Dec	Air China
07 Dec - 14 Dec	Air China
14 Dec - 18 Dec	Air China
31 Dec - 10 Jan	Air China
19 Dec - 25 Dec	Air China
09 Dec - 13 Dec	Korean Air
30 Dec - 05 Jan	Korean Air
19 Dec - 24 Dec	Air China
24 Dec - 01 Jan	Air China
25 Dec - 01 Jan	Air China
24 Dec - 02 Jan	Singapore Airlines
25 Dec - 02 Jan	Singapore Airlines
25 Dec - 03 Jan	Korean Air
24 Dec - 03 Jan	Korean Air
26 Dec - 03 Jan	Korean Air

Also check the deals for one-way flights from Busan 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.

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Cheapest return flights from Busan to Barcelona in December from 467€

Return flights