Cheapest return flights from Santiago to Buenos Aires in September from $182

Best time to book flights for Santiago (SCL) to Buenos Aires (AEP) flights at AirHint

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

Return flights

07 Sep - 14 Sep JetSmart
05 Sep - 07 Sep JetSmart
04 Sep - 07 Sep Aerolineas Argentinas
22 Sep - 28 Sep JetSmart
24 Sep - 28 Sep JetSmart
05 Sep - 07 Sep JetSmart direct
07 Sep - 11 Sep JetSmart
09 Sep - 15 Sep JetSmart
21 Sep - 05 Oct JetSmart
23 Sep - 25 Sep JetSmart
23 Sep - 26 Sep JetSmart
26 Sep - 05 Oct JetSmart
23 Sep - 13 Oct JetSmart direct
17 Sep - 09 Oct JetSmart direct
30 Sep - 13 Oct JetSmart direct
24 Sep - 13 Oct JetSmart direct
30 Sep - 20 Oct JetSmart direct
23 Sep - 01 Oct JetSmart direct
23 Sep - 08 Oct JetSmart direct
23 Sep - 09 Oct JetSmart direct

Also check the deals for one-way flights from Santiago 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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