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

Return flights

16 Aug - 19 Aug	Ryanair
23 Aug - 26 Aug	Ryanair
27 Aug - 30 Aug	Ryanair
23 Aug - 28 Aug	Ryanair
22 Aug - 29 Aug	Lufthansa
24 Aug - 29 Aug	Lufthansa
25 Aug - 31 Aug	Scandinavian Airlines
22 Aug - 28 Aug	Lufthansa
24 Aug - 27 Aug	Ryanair
22 Aug - 25 Aug	airBaltic
08 Aug - 14 Sep	airBaltic	direct

Also check the deals for one-way flights from Brussels to Tallinn in August.

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 August from 163€

Return flights