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

Return flights

01 Dec - 08 Dec	Air China
09 Dec - 26 Jan	Iberia
08 Dec - 21 Jan	United
01 Dec - 01 Jan	LATAM Airlines Group
08 Dec - 15 Dec	British Airways
06 Dec - 16 Dec	British Airways
11 Dec - 26 Jan	British Airways
05 Dec - 10 Jan	Air Canada
08 Dec - 05 Jan	Air Canada
07 Dec - 28 Dec	British Airways
12 Dec - 28 Dec	British Airways
16 Dec - 30 Jan	Iberia
11 Dec - 09 Jan	British Airways
05 Dec - 07 Jan	British Airways
14 Dec - 24 Jan	Iberia
08 Dec - 22 Dec	British Airways
24 Dec - 31 Dec	TAP
13 Dec - 29 Dec	Iberia
18 Dec - 26 Dec	British Airways
18 Dec - 23 Dec	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 $780

Return flights