Cheapest one-way flights from Atlanta to Sao Paulo in September from $260

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

One-Way flights

24 Sep Spirit Airlines
28 Sep Spirit Airlines
27 Sep Spirit Airlines
23 Sep Frontier Airlines
19 Sep Frontier Airlines
11 Sep Spirit Airlines
27 Sep LATAM Airlines Group direct
23 Sep LATAM Airlines Group direct
24 Sep LATAM Airlines Group direct
19 Sep LATAM Airlines Group direct

Also check the deals for return 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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