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

Return flights

07 Dec - 09 Dec	Ryanair
02 Dec - 03 Dec	Ryanair
06 Dec - 13 Dec	Ryanair
13 Dec - 17 Dec	Ryanair
07 Dec - 11 Dec	Ryanair
09 Dec - 10 Dec	airBaltic	direct
02 Dec - 03 Dec	airBaltic	direct
08 Dec - 12 Dec	Ryanair
15 Dec - 18 Dec	Ryanair
08 Dec - 10 Dec	airBaltic	direct
31 Dec - 08 Jan	Ryanair
29 Dec - 07 Jan	LOT
29 Dec - 27 Jan	LOT
31 Dec - 05 Jan	airBaltic
21 Dec - 07 Jan	Scandinavian Airlines
17 Dec - 05 Jan	Ryanair
28 Dec - 13 Jan	Ryanair
27 Dec - 06 Jan	LOT
24 Dec - 11 Jan	LOT
28 Dec - 05 Jan	Ryanair

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 $142

Return flights