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

Return flights

06 Dec - 08 Dec	TAP
01 Dec - 09 Dec	ITA Airways
06 Dec - 10 Dec	TAP
07 Dec - 22 Jan	Delta
07 Dec - 23 Jan	Delta
02 Dec - 08 Dec	Air France
01 Dec - 10 Dec	Air France
03 Dec - 10 Dec	TAP
02 Dec - 10 Dec	ITA Airways
05 Dec - 09 Dec	ITA Airways
28 Dec - 27 Jan	Delta
28 Dec - 29 Jan	Delta
27 Dec - 29 Jan	TAP
06 Dec - 28 Jan	TAP
25 Dec - 22 Jan	Delta
25 Dec - 29 Jan	Delta
06 Dec - 08 Dec	LATAM Airlines Group	direct
26 Dec - 24 Jan	TAP
25 Dec - 24 Jan	TAP
02 Dec - 16 Dec	TAP

Also check the deals for one-way flights from Barcelona 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 Barcelona to Sao Paulo in December from $656

Return flights