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

Return flights

15 Oct - 20 Oct	Ryanair
20 Oct - 22 Oct	Scandinavian Airlines
01 Oct - 03 Oct	Ryanair
06 Oct - 07 Oct	Ryanair
19 Oct - 27 Oct	Ryanair
21 Oct - 24 Oct	Norwegian
31 Oct - 07 Nov	Ryanair
15 Oct - 22 Oct	Ryanair
20 Oct - 30 Oct	Scandinavian Airlines
07 Oct - 12 Oct	Ryanair
23 Oct - 04 Nov	Scandinavian Airlines
16 Oct - 21 Oct	Lufthansa
22 Oct - 03 Nov	Scandinavian Airlines
29 Oct - 02 Nov	Ryanair
23 Oct - 03 Nov	Scandinavian Airlines
07 Oct - 03 Nov	Ryanair
29 Oct - 01 Nov	airBaltic
30 Oct - 02 Nov	Ryanair
17 Oct - 07 Nov	Scandinavian Airlines
26 Oct - 03 Nov	Finnair

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

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 October from 122€

Return flights