Cheapest return flights from Atlanta to Sao Paulo in September from $510

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

Return flights

04 Sep - 08 Sep Frontier Airlines
09 Sep - 23 Sep Frontier Airlines
04 Sep - 13 Sep Spirit Airlines
15 Sep - 29 Sep GOL Linhas Aéreas
09 Sep - 23 Sep LATAM Airlines Group direct
25 Sep - 05 Oct Delta
04 Sep - 13 Sep LATAM Airlines Group direct
15 Sep - 29 Sep LATAM Airlines Group direct
04 Sep - 08 Sep LATAM Airlines Group direct

Also check the deals for one-way flights from Atlanta to Sao Paulo 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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