Cheapest return flights from Chicago to Buenos Aires in December from $1056

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

Return flights

06 Dec - 07 Dec LATAM Airlines Group
11 Dec - 15 Dec Delta
04 Dec - 10 Dec Delta
24 Dec - 30 Dec LATAM Airlines Group
17 Dec - 07 Jan Delta
10 Dec - 05 Jan Delta
27 Dec - 10 Jan LATAM Airlines Group
26 Dec - 04 Jan Porter Airlines (Canada) Ltd
27 Dec - 04 Jan LATAM Airlines Group
19 Dec - 03 Jan LATAM Airlines Group

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

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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