Cheapest return flights from Sao Paulo to Buenos Aires in September from $296

AirHint found the following cheapest return flights from Sao Paulo (GRU) to Buenos Aires (EZE) in September 2026 (see full year).

Return flights

16 Sep - 23 Sep SWISS direct
09 Sep - 19 Sep SWISS direct
23 Sep - 30 Sep SWISS direct
09 Sep - 16 Sep SWISS direct
19 Sep - 26 Sep SWISS direct
12 Sep - 26 Sep SWISS direct
19 Sep - 23 Sep SWISS direct
05 Sep - 09 Sep SWISS direct
05 Sep - 16 Sep SWISS direct
02 Sep - 09 Sep SWISS direct
28 Sep - 11 Oct LATAM Airlines Group direct
29 Sep - 11 Oct LATAM Airlines Group direct
27 Sep - 11 Oct LATAM Airlines Group direct
28 Sep - 05 Oct Air Canada direct
20 Sep - 01 Oct LATAM Airlines Group direct

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

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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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