AirHint found the following cheapest return flights from Austin (AUS) to Buenos Aires (EZE) in March 2026 (see full year).

Return flights

02 Mar - 09 Mar	Copa
17 Mar - 23 Mar	American Airlines
16 Mar - 23 Mar	American Airlines
16 Mar - 24 Mar	American Airlines
18 Mar - 23 Mar	American Airlines
05 Mar - 06 Apr	American Airlines
07 Mar - 14 Mar	American Airlines
12 Mar - 19 Mar	LATAM Airlines Group
11 Mar - 19 Mar	LATAM Airlines Group
11 Mar - 18 Mar	LATAM Airlines Group
31 Mar - 06 Apr	LATAM Airlines Group
05 Mar - 06 Mar	LATAM Airlines Group

Also check the deals for one-way flights from Austin 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 Austin to Buenos Aires in March from $521

Return flights