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

Return flights

12 Dec - 15 Dec	Ryanair
14 Dec - 16 Dec	Ryanair
10 Dec - 14 Dec	Ryanair
07 Dec - 14 Dec	Ryanair
01 Dec - 04 Dec	Ryanair
12 Dec - 14 Dec	Ryanair
18 Dec - 23 Dec	airBaltic
30 Dec - 02 Jan	airBaltic
25 Dec - 30 Dec	airBaltic
17 Dec - 21 Dec	airBaltic
02 Dec - 06 Dec	airBaltic
18 Dec - 08 Jan	airBaltic
14 Dec - 05 Jan	Scandinavian Airlines
13 Dec - 04 Jan	Finnair
21 Dec - 02 Jan	SWISS
18 Dec - 08 Jan	Brussels Airlines	direct
14 Dec - 05 Jan	Brussels Airlines	direct
21 Dec - 04 Jan	Brussels Airlines	direct

Also check the deals for one-way flights from Brussels 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 Brussels to Tallinn in December from 120€

Return flights