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

Return flights

29 Aug - 01 Sep	Lufthansa
20 Aug - 24 Aug	Ryanair
27 Aug - 31 Aug	Ryanair
19 Aug - 29 Aug	Lufthansa
18 Aug - 29 Aug	SWISS
25 Aug - 29 Aug	Lufthansa
22 Aug - 26 Aug	airBaltic
15 Aug - 18 Aug	airBaltic
10 Aug - 11 Aug	airBaltic
17 Aug - 26 Aug	airBaltic
19 Aug - 28 Aug	Lufthansa
07 Aug - 04 Sep	Finnair
08 Aug - 05 Sep	Finnair
08 Aug - 05 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.

Book a cheap hotel in Tallinn

Cheap car rent in Tallinn

Cheapest return flights from Brussels to Tallinn in August from 165€

Return flights