Cheapest return flights from Santiago to Buenos Aires in September from $202

AirHint found the following cheapest return flights from Santiago (SCL) to Buenos Aires (AEP) in September 2026 (see full year).

Return flights

04 Sep - 07 Sep JetSmart
17 Sep - 22 Sep Sky Airline direct
16 Sep - 23 Sep Sky Airline direct
29 Sep - 19 Oct Sky Airline direct
30 Sep - 19 Oct Sky Airline direct
13 Sep - 03 Oct Sky Airline direct
27 Sep - 30 Sep Sky Airline direct
16 Sep - 19 Sep AerolΓ­neas Argentinas direct
11 Sep - 18 Sep Sky Airline direct
30 Sep - 18 Oct Sky Airline direct
04 Sep - 07 Sep Sky Airline direct
25 Sep - 12 Oct JetSmart direct
25 Sep - 13 Oct JetSmart direct
25 Sep - 02 Oct JetSmart direct
25 Sep - 28 Sep JetSmart direct

Also check the deals for one-way flights from Santiago 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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