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

Return flights

08 Dec - 25 Dec	KLM
08 Dec - 15 Dec	Pegasus Airlines
10 Dec - 27 Dec	Pegasus Airlines
29 Dec - 11 Jan	Pegasus Airlines
06 Dec - 26 Dec	Turkish Airlines
07 Dec - 22 Dec	Pegasus Airlines
26 Dec - 07 Jan	Pegasus Airlines
22 Dec - 07 Jan	Pegasus Airlines
11 Dec - 26 Dec	easyJet
28 Dec - 10 Jan	Pegasus Airlines
24 Dec - 07 Jan	Pegasus Airlines
07 Dec - 05 Jan	Pegasus Airlines
11 Dec - 27 Dec	easyJet
13 Dec - 21 Dec	Volotea
06 Dec - 06 Jan	Turkish Airlines
26 Dec - 05 Jan	Pegasus Airlines
05 Dec - 05 Jan	Iberia
27 Dec - 10 Jan	Air Europa
08 Dec - 18 Dec	KLM
06 Dec - 15 Dec	KLM

Also check the deals for one-way flights from Bilbao 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 Bilbao to Kuala Lumpur in December from $561

Return flights