AirHint found the following cheapest return flights from Bilbao (BIO) to Kuala Lumpur (KUL) in December 2025 (see full year).
Return flights
| 29 Dec - 05 Jan | Pegasus Airlines | ||
| 27 Dec - 10 Jan | Wizz Air | ||
| 25 Dec - 05 Jan | Vueling Airlines | ||
| 30 Dec - 11 Jan | Etihad Airways |
Also check the deals for one-way flights from Bilbao to Kuala Lumpur in December.
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