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

Return flights

13 Mar - 27 Apr	JetSmart	direct
01 Mar - 07 Mar	Sky Airline
07 Mar - 14 Mar	Sky Airline
20 Mar - 27 Mar	Sky Airline
06 Mar - 09 Mar	Sky Airline
15 Mar - 17 Mar	JetSmart
19 Mar - 24 Mar	JetSmart
13 Mar - 26 Apr	JetSmart
19 Mar - 29 Mar	JetSmart
19 Mar - 28 Mar	JetSmart
19 Mar - 08 Apr	JetSmart
19 Mar - 05 Apr	JetSmart
19 Mar - 06 Apr	JetSmart
19 Mar - 26 Mar	JetSmart
19 Mar - 25 Mar	JetSmart
19 Mar - 04 Apr	JetSmart
19 Mar - 02 Apr	JetSmart
19 Mar - 03 Apr	JetSmart
30 Mar - 11 Apr	Sky Airline	direct
28 Mar - 08 Apr	JetSmart	direct

Also check the deals for one-way flights from Santiago to Buenos Aires in March.

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 Santiago to Buenos Aires in March from $89

Return flights