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

Return flights

01 Dec - 11 Dec	Shenzhen Airlines
02 Dec - 11 Dec	Iberia
10 Dec - 23 Dec	Iberia
01 Dec - 07 Dec	Iberia
05 Dec - 22 Dec	Iberia
07 Dec - 12 Dec	Vueling Airlines
04 Dec - 14 Dec	Vueling Airlines
12 Dec - 29 Dec	Turkish Airlines
29 Dec - 11 Jan	Ryanair
14 Dec - 23 Dec	Vueling Airlines
25 Dec - 01 Jan	Saudia
30 Dec - 13 Jan	Vueling Airlines
13 Dec - 31 Dec	Ryanair
18 Dec - 19 Jan	Vueling Airlines
24 Dec - 22 Jan	Vueling Airlines
23 Dec - 21 Jan	Vueling Airlines
28 Dec - 11 Jan	Turkish Airlines
24 Dec - 21 Jan	Vueling Airlines
01 Dec - 03 Jan	Ryanair
16 Dec - 01 Jan	Vueling 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 $641

Return flights