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

Return flights

08 Dec - 12 Dec	Air China
08 Dec - 10 Dec	Air China
08 Dec - 11 Dec	Air China
09 Dec - 15 Dec	Air China
29 Dec - 15 Jan	Air China
26 Dec - 11 Jan	Etihad Airways
26 Dec - 08 Jan	Air France
07 Dec - 10 Dec	Air China
07 Dec - 11 Dec	Air China
08 Dec - 15 Dec	Air China
08 Dec - 16 Dec	Air China
17 Dec - 25 Dec	Air China
10 Dec - 17 Dec	Air China
23 Dec - 06 Jan	Etihad Airways
25 Dec - 04 Jan	China Eastern
29 Dec - 05 Jan	Air China
27 Dec - 05 Jan	Emirates
20 Dec - 01 Jan	China Eastern
23 Dec - 01 Jan	Hainan Airlines
24 Dec - 01 Jan	Hainan Airlines

Also check the deals for one-way flights from Hong Kong 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 Hong Kong to Barcelona in December from 377€

Return flights