Cheapest one-way flights from Chicago to Buenos Aires in March from $533
AirHint found the following cheapest one-way flights from Chicago (MDW) to Buenos Aires (AEP) in March 2025 (see full year).
One-Way flights
| 23 Mar | LATAM Airlines Group | ||
| 02 Mar | Frontier Airlines | ||
| 15 Mar | LATAM Airlines Group | ||
| 01 Mar | LATAM Airlines Group |
Also check the deals for return flights from Chicago to Buenos Aires in March.
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.
