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

Return flights

08 Oct - 26 Oct	Turkish Airlines
08 Oct - 19 Oct	Turkish Airlines
06 Oct - 19 Oct	Turkish Airlines
27 Oct - 09 Nov	Turkish Airlines
30 Oct - 09 Nov	Turkish Airlines
08 Oct - 17 Oct	Turkish Airlines
27 Oct - 07 Nov	Turkish Airlines
27 Oct - 14 Nov	Turkish Airlines
29 Oct - 14 Nov	Turkish Airlines
09 Oct - 17 Oct	Turkish Airlines
13 Oct - 17 Oct	Turkish Airlines
15 Oct - 19 Oct	Turkish Airlines
11 Oct - 26 Oct	Turkish Airlines
19 Oct - 01 Nov	KLM

Also check the deals for one-way flights from Tallinn to Sao Paulo 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 Tallinn to Sao Paulo in October from $839

Return flights