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

Return flights

11 Dec - 13 Jan	Turkish Airlines
04 Dec - 09 Dec	Qatar Airways
01 Dec - 15 Dec	Etihad Airways
01 Dec - 10 Dec	KLM
07 Dec - 15 Dec	Etihad Airways
01 Dec - 16 Dec	Etihad Airways
07 Dec - 16 Dec	KLM
05 Dec - 14 Dec	Shenzhen Airlines
05 Dec - 08 Dec	Shenzhen Airlines
08 Dec - 15 Dec	Iberia
15 Dec - 13 Jan	Etihad Airways
06 Dec - 08 Dec	Pegasus Airlines
10 Dec - 11 Jan	Pegasus Airlines
11 Dec - 12 Jan	Etihad Airways
12 Dec - 10 Jan	Shenzhen Airlines
05 Dec - 05 Jan	Pegasus Airlines
10 Dec - 09 Jan	Etihad Airways
16 Dec - 11 Jan	Iberia
31 Dec - 23 Jan	Pegasus Airlines
31 Dec - 07 Jan	Pegasus Airlines

Also check the deals for one-way flights from Barcelona to Kuala Lumpur 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 Barcelona to Kuala Lumpur in December from $584

Return flights