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

Return flights

01 Dec - 07 Dec	TAAG Angola Airlines
02 Dec - 28 Jan	LATAM Airlines Group
01 Dec - 09 Dec	TAAG Angola Airlines
10 Dec - 21 Jan	LATAM Airlines Group
06 Dec - 29 Jan	British Airways
01 Dec - 08 Dec	GOL Linhas Aéreas
10 Dec - 12 Jan	Air France
04 Dec - 14 Jan	LATAM Airlines Group
05 Dec - 31 Dec	Air Europa
10 Dec - 30 Dec	ITA Airways
16 Dec - 27 Jan	Iberia
16 Dec - 28 Jan	Iberia
11 Dec - 30 Dec	Air France
07 Dec - 14 Dec	LATAM Airlines Group
10 Dec - 06 Jan	Air France
12 Dec - 31 Dec	GOL Linhas Aéreas
13 Dec - 26 Jan	KLM
03 Dec - 11 Dec	KLM
01 Dec - 11 Dec	KLM
13 Dec - 17 Jan	KLM

Also check the deals for one-way flights from Sao Paulo to Dublin 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 Sao Paulo to Dublin in December from $738

Return flights