Cheapest return flights from Sao Paulo to Athens in September from $899

Best time to book flights for Sao Paulo (GRU) to Athens (ATH) flights at AirHint

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

Return flights

29 Sep - 15 Oct SWISS
07 Sep - 18 Sep United
13 Sep - 25 Sep United
15 Sep - 25 Sep United
29 Sep - 28 Oct SWISS
30 Sep - 09 Oct SWISS
05 Sep - 18 Sep United
06 Sep - 18 Sep United
07 Sep - 16 Sep United
07 Sep - 17 Sep United
08 Sep - 18 Sep United
15 Sep - 27 Sep Air China
29 Sep - 12 Oct SWISS
29 Sep - 14 Oct Iberia
05 Sep - 16 Sep United
28 Sep - 21 Oct Air Canada
30 Sep - 15 Oct SWISS
19 Sep - 01 Oct British Airways
19 Sep - 02 Oct British Airways
20 Sep - 01 Oct British Airways

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

Skyscanner

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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