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

Return flights

24 Sep - 07 Oct	JetSmart
29 Sep - 07 Oct	JetSmart
24 Sep - 09 Oct	JetSmart
29 Sep - 09 Oct	JetSmart
25 Sep - 07 Oct	JetSmart	direct
30 Sep - 07 Oct	JetSmart	direct
24 Sep - 08 Oct	JetSmart
29 Sep - 08 Oct	JetSmart
24 Sep - 12 Oct	JetSmart
24 Sep - 13 Oct	JetSmart
24 Sep - 30 Sep	JetSmart
24 Sep - 29 Sep	JetSmart
29 Sep - 30 Sep	JetSmart
25 Sep - 30 Sep	JetSmart	direct
25 Sep - 29 Sep	JetSmart
24 Sep - 28 Sep	JetSmart
24 Sep - 26 Sep	JetSmart
26 Sep - 30 Sep	JetSmart
05 Sep - 10 Sep	Aerolineas Argentinas	direct
25 Sep - 28 Sep	JetSmart

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

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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Cheapest return flights from Salta to Buenos Aires in September from $88

Return flights