Cheapest return flights from Sao Paulo to Buenos Aires in September from $203

Best time to book flights for Sao Paulo (GRU) to Buenos Aires (AEP) flights at AirHint

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

Return flights

07 Sep - 13 Sep Flybondi direct
20 Sep - 01 Oct Flybondi direct
12 Sep - 18 Sep Flybondi direct
09 Sep - 14 Sep Flybondi direct
17 Sep - 24 Sep Flybondi direct
15 Sep - 26 Sep Flybondi direct
03 Sep - 10 Sep Flybondi direct
15 Sep - 24 Sep Flybondi direct
14 Sep - 28 Sep Flybondi direct
04 Sep - 15 Sep Flybondi direct
08 Sep - 26 Sep Flybondi direct
22 Sep - 02 Oct Flybondi direct
27 Sep - 02 Oct Flybondi direct
27 Sep - 01 Oct Flybondi direct
28 Sep - 05 Oct GOL Linhas Aéreas direct
21 Sep - 03 Oct Flybondi direct
22 Sep - 13 Oct Flybondi direct
14 Sep - 04 Oct Flybondi direct
18 Sep - 11 Oct Flybondi direct

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