Cheapest return flights from Chicago to Buenos Aires in March from $961

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

Return flights

01 Mar - 12 Mar Frontier Airlines
02 Mar - 17 Mar Delta
26 Mar - 02 Apr Delta
11 Mar - 22 Mar LATAM Airlines Group
14 Mar - 05 Apr LATAM Airlines Group
18 Mar - 28 Mar LATAM Airlines Group
12 Mar - 16 Mar Delta
18 Mar - 24 Mar Delta
20 Mar - 23 Mar LATAM Airlines Group

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

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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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