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

Return flights

01 Dec - 07 Dec	Delta
01 Dec - 08 Dec	Delta
04 Dec - 23 Jan	Delta
10 Dec - 23 Jan	Delta
07 Dec - 30 Jan	Delta
10 Dec - 21 Jan	Delta
08 Dec - 28 Jan	Delta
31 Dec - 28 Jan	Delta
02 Dec - 21 Jan	Delta
09 Dec - 20 Jan	Delta
01 Dec - 28 Jan	Delta
10 Dec - 28 Jan	Delta
02 Dec - 09 Dec	Delta
01 Dec - 10 Dec	Air Canada
01 Dec - 14 Dec	Air Canada
01 Dec - 11 Dec	Air Canada
04 Dec - 11 Dec	Air Canada
10 Dec - 29 Dec	Delta
07 Dec - 29 Dec	Delta
05 Dec - 08 Dec	Delta

Also check the deals for one-way flights from Dublin to Sao Paulo in December.

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 December from 609€

Return flights