Cheapest return flights from Chicago to Buenos Aires in April from $1060

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 April 2025 (see full year).

Return flights

15 Apr - 23 Apr LATAM Airlines Group
16 Apr - 25 Apr LATAM Airlines Group
17 Apr - 24 Apr LATAM Airlines Group
19 Apr - 26 Apr LATAM Airlines Group
25 Apr - 04 May LATAM Airlines Group
05 Apr - 19 Apr Delta

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

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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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