Cheapest return flights from Santiago to Buenos Aires in September from 155€

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

Return flights

13 Sep - 17 Sep JetSmart
21 Sep - 24 Sep JetSmart
25 Sep - 28 Sep JetSmart
18 Sep - 23 Sep JetSmart
18 Sep - 25 Sep JetSmart
04 Sep - 06 Sep JetSmart
17 Sep - 21 Sep Sky Airline
18 Sep - 24 Sep JetSmart
16 Sep - 20 Sep Aerolíneas Argentinas
17 Sep - 20 Sep Sky Airline
28 Sep - 10 Oct 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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