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

Return flights

03 Dec - 13 Dec	HK Express
03 Dec - 12 Dec	China Airlines
09 Dec - 11 Dec	China Airlines
11 Dec - 17 Dec	HK Express
09 Dec - 20 Dec	China Airlines
11 Dec - 16 Dec	HK Express
10 Dec - 19 Dec	HK Express

Also check the deals for one-way flights from Kaohsiung 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 Kaohsiung to Barcelona in December from $678

Return flights