Cheapest return flights from Sao Paulo to Buenos Aires in September from $195

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

Return flights

30 Sep - 05 Oct Flybondi direct
24 Sep - 20 Oct Flybondi direct
23 Sep - 27 Sep Flybondi direct
30 Sep - 04 Oct Flybondi direct
30 Sep - 30 Oct Flybondi direct
30 Sep - 25 Oct Flybondi direct
30 Sep - 19 Oct Flybondi direct
27 Sep - 26 Oct Flybondi direct
27 Sep - 04 Oct Flybondi direct
29 Sep - 05 Oct Flybondi direct
24 Sep - 27 Sep Flybondi direct
22 Sep - 29 Sep Flybondi direct
22 Sep - 13 Oct Flybondi direct
24 Sep - 29 Sep Flybondi direct
28 Sep - 29 Sep Flybondi direct
27 Sep - 29 Sep Flybondi direct
24 Sep - 30 Sep Flybondi direct
23 Sep - 29 Sep Flybondi direct
27 Sep - 28 Sep Flybondi direct
24 Sep - 28 Sep Flybondi 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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