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

Return flights

09 Sep - 27 Oct	TAP
18 Sep - 08 Oct	TAP
03 Sep - 30 Sep	Delta
22 Sep - 29 Sep	Delta
08 Sep - 28 Sep	Delta
07 Sep - 23 Sep	Delta
03 Sep - 22 Sep	Delta
08 Sep - 15 Sep	Delta
12 Sep - 30 Sep	Delta
13 Sep - 30 Sep	Delta
01 Sep - 14 Sep	Delta
16 Sep - 22 Sep	Delta
24 Sep - 01 Oct	Delta
19 Sep - 06 Oct	Delta
24 Sep - 02 Oct	Delta
17 Sep - 05 Oct	Delta
17 Sep - 06 Oct	Delta
23 Sep - 06 Oct	Delta
23 Sep - 12 Oct	Delta
24 Sep - 12 Oct	Delta

Also check the deals for one-way flights from Barcelona to Sao Paulo in September.

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 September from 559€

Return flights