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

Return flights

11 Dec - 15 Dec	Ryanair
05 Dec - 08 Dec	Ryanair
22 Dec - 31 Dec	airBaltic	direct
04 Dec - 07 Dec	Scandinavian Airlines
29 Dec - 02 Jan	airBaltic
25 Dec - 03 Jan	airBaltic
23 Dec - 01 Jan	Scandinavian Airlines

Also check the deals for one-way flights from Tallinn to Brussels 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 Tallinn to Brussels in December from $146

Return flights