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

Return flights

12 Dec - 14 Dec	Vueling Airlines
12 Dec - 15 Dec	Vueling Airlines
11 Dec - 15 Dec	Vueling Airlines
07 Dec - 14 Dec	Vueling Airlines
06 Dec - 13 Dec	Vueling Airlines
08 Dec - 23 Dec	Vueling Airlines
19 Dec - 21 Dec	Vueling Airlines
06 Dec - 08 Dec	Vueling Airlines
24 Dec - 01 Jan	Vueling Airlines
21 Dec - 25 Dec	Lufthansa
19 Dec - 22 Dec	Vueling Airlines
24 Dec - 02 Jan	Vueling Airlines
20 Dec - 06 Jan	KLM

Also check the deals for one-way flights from Bilbao to Tallinn 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 Tallinn in December from 158€

Return flights