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

Return flights

01 Dec - 13 Dec	Vueling Airlines
13 Dec - 22 Dec	Air Europa
19 Dec - 30 Dec	Vueling Airlines
20 Dec - 30 Dec	Vueling Airlines
22 Dec - 02 Jan	Wizz Air Malta
23 Dec - 04 Jan	Air Europa
26 Dec - 06 Jan	Air Europa
19 Dec - 05 Jan	Air Europa
19 Dec - 06 Jan	Vueling Airlines
26 Dec - 05 Jan	Air Europa
21 Dec - 05 Jan	Vueling Airlines
22 Dec - 03 Jan	Wizz Air Malta
20 Dec - 05 Jan	Vueling Airlines
19 Dec - 02 Jan	Air Europa

Also check the deals for one-way flights from Bilbao to Colombo 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 Colombo in December from $594

Return flights