Cheapest return flights from Chicago to Buenos Aires in August from $1167

Best time to book flights for Chicago (MDW) to Buenos Aires (AEP) flights at AirHint

AirHint found the following cheapest return flights from Chicago (MDW) to Buenos Aires (AEP) in August 2025 (see full year).

Return flights

26 Aug - 05 Sep LATAM Airlines Group
10 Aug - 22 Aug LATAM Airlines Group
11 Aug - 22 Aug LATAM Airlines Group
12 Aug - 12 Sep LATAM Airlines Group
11 Aug - 23 Aug LATAM Airlines Group
08 Aug - 22 Aug LATAM Airlines Group
08 Aug - 23 Aug LATAM Airlines Group
09 Aug - 22 Aug LATAM Airlines Group
09 Aug - 23 Aug LATAM Airlines Group

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

Skyscanner

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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