Cheapest return flights from Ontario to Buenos Aires in March from $944

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

Return flights

16 Mar - 20 Mar Volaris
17 Mar - 30 Mar Volaris
17 Mar - 21 Mar Volaris
02 Mar - 11 Mar Volaris
02 Mar - 09 Mar LATAM Airlines Group
16 Mar - 21 Mar Volaris
15 Mar - 19 Mar LATAM Airlines Group
14 Mar - 19 Mar Avianca
26 Mar - 05 Apr Volaris
15 Mar - 20 Mar LATAM Airlines Group
25 Mar - 06 Apr LATAM Airlines Group
12 Mar - 20 Mar Avianca

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

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