AirHint found the following cheapest return flights from Barcelona (BCN) to Kuala Lumpur (KUL) in December 2026 (see full year).

Return flights

10 Dec - 30 Dec	Etihad Airways
01 Dec - 13 Dec	KLM
03 Dec - 13 Dec	KLM
01 Dec - 17 Dec	Iberia
01 Dec - 22 Dec	Iberia
03 Dec - 10 Dec	Iberia
03 Dec - 08 Dec	Qatar Airways
03 Dec - 19 Dec	Iberia
05 Dec - 15 Dec	Iberia
04 Dec - 08 Dec	Iberia
10 Dec - 03 Jan	KLM
10 Dec - 05 Jan	Air China
10 Dec - 07 Jan	Air China
10 Dec - 06 Jan	Air China
19 Dec - 09 Jan	Saudia
15 Dec - 02 Jan	Saudia
19 Dec - 07 Jan	Saudia
12 Dec - 02 Jan	Saudia
29 Dec - 16 Jan	Saudia
19 Dec - 08 Jan	Saudia

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 $611

Return flights