Cheapest one-way flights from Chicago to Buenos Aires in October from 705€

Best time to book flights for Chicago (ORD) to Buenos Aires (EZE) flights at AirHint

AirHint found the following cheapest one-way flights from Chicago (ORD) to Buenos Aires (EZE) in October 2025 (see full year).

One-Way flights

10 Oct Aeromexico

Also check the deals for return flights from Chicago to Buenos Aires in October.

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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