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

Return flights

29 Oct - 05 Nov	Delta
29 Oct - 10 Nov	Delta
31 Oct - 11 Nov	Delta
31 Oct - 10 Nov	Delta
03 Oct - 19 Oct	Delta
05 Oct - 26 Oct	Delta
06 Oct - 26 Oct	Delta
10 Oct - 22 Oct	Delta
11 Oct - 23 Oct	Delta
09 Oct - 16 Oct	Delta
05 Oct - 12 Oct	Delta
06 Oct - 15 Oct	Delta
11 Oct - 18 Oct	Delta
10 Oct - 25 Oct	Delta
21 Oct - 27 Nov	Delta
10 Oct - 01 Nov	Delta
05 Oct - 08 Nov	Delta
16 Oct - 04 Nov	Delta
22 Oct - 09 Nov	Delta
08 Oct - 01 Nov	Delta

Also check the deals for one-way flights from Dublin 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 Dublin to Sao Paulo in October from 609€

Return flights