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

Return flights

31 Oct - 14 Nov	Delta
31 Oct - 11 Nov	Delta
31 Oct - 10 Nov	Delta
31 Oct - 15 Nov	Delta
31 Oct - 09 Nov	Delta
09 Oct - 26 Oct	Delta
10 Oct - 17 Oct	Delta
07 Oct - 20 Oct	Delta
10 Oct - 26 Oct	Delta
07 Oct - 28 Oct	Delta
02 Oct - 27 Oct	Delta
08 Oct - 15 Oct	Delta
09 Oct - 16 Oct	Delta
03 Oct - 26 Oct	Delta
08 Oct - 20 Oct	Delta
05 Oct - 05 Nov	Delta
21 Oct - 05 Nov	Delta
02 Oct - 03 Nov	Delta
21 Oct - 11 Nov	Delta
28 Oct - 16 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