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

Return flights

18 Dec - 22 Dec	Air China
10 Dec - 17 Dec	Air China
22 Dec - 24 Dec	Air China
22 Dec - 10 Jan	Air China
19 Dec - 22 Dec	Air China
22 Dec - 25 Dec	Air China
25 Dec - 10 Jan	Air China
24 Dec - 11 Jan	EVA Air
22 Dec - 09 Jan	EVA Air
24 Dec - 10 Jan	Air China
31 Dec - 29 Jan	Air China
15 Dec - 21 Dec	Air China
18 Dec - 23 Dec	EVA Air
10 Dec - 14 Dec	Singapore Airlines
08 Dec - 10 Dec	EVA Air
25 Dec - 28 Dec	Singapore Airlines
29 Dec - 14 Jan	EVA Air
23 Dec - 09 Jan	Singapore Airlines
23 Dec - 11 Jan	Singapore Airlines
21 Dec - 10 Jan	EVA 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 441€

Return flights