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

Return flights

20 Oct - 27 Oct	Air China
10 Oct - 26 Oct	United
13 Oct - 29 Oct	United
21 Oct - 28 Oct	United
06 Oct - 28 Oct	United
22 Oct - 29 Oct	United
21 Oct - 27 Oct	United
27 Oct - 03 Nov	United
15 Oct - 11 Nov	United
07 Oct - 08 Nov	United
20 Oct - 05 Nov	United
13 Oct - 17 Nov	United
28 Oct - 25 Nov	United
21 Oct - 10 Nov	United
10 Oct - 29 Oct	United
06 Oct - 22 Oct	United
01 Oct - 22 Oct	United
28 Oct - 04 Nov	United
22 Oct - 04 Nov	United
05 Oct - 04 Nov	United

Also check the deals for one-way flights from Sao Paulo to Dublin 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 Sao Paulo to Dublin in October from 652€

Return flights