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

Return flights

22 Aug - 29 Aug	SWISS
25 Aug - 02 Sep	Lufthansa
27 Aug - 03 Sep	SWISS
21 Aug - 27 Aug	Lufthansa
22 Aug - 28 Aug	SWISS
26 Aug - 02 Sep	Lufthansa
17 Aug - 25 Aug	airBaltic
21 Aug - 28 Aug	Lufthansa
22 Aug - 24 Aug	airBaltic
29 Aug - 31 Aug	airBaltic
25 Aug - 31 Aug	airBaltic
22 Aug - 31 Aug	airBaltic
15 Aug - 18 Aug	airBaltic
08 Aug - 01 Sep	airBaltic
09 Aug - 02 Sep	airBaltic
08 Aug - 01 Sep	Brussels Airlines	direct
25 Aug - 02 Sep	Brussels Airlines	direct
26 Aug - 02 Sep	Brussels Airlines	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 $183

Return flights