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

Return flights

02 Dec - 10 Dec	Vueling Airlines
01 Dec - 07 Dec	Lufthansa
03 Dec - 08 Dec	easyJet
05 Dec - 13 Dec	Volotea
24 Dec - 01 Jan	Vueling Airlines
19 Dec - 24 Dec	Vueling Airlines
19 Dec - 31 Dec	Turkish Airlines
24 Dec - 28 Dec	Turkish Airlines
19 Dec - 07 Jan	Vueling Airlines
20 Dec - 31 Dec	Air Europa
21 Dec - 28 Dec	Vueling Airlines
26 Dec - 30 Dec	Air Europa
19 Dec - 06 Jan	Vueling Airlines
25 Dec - 01 Jan	Vueling Airlines
27 Dec - 03 Jan	Vueling Airlines

Also check the deals for one-way flights from Bilbao to Tunis 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 Tunis in December from $200

Return flights