Cheapest one-way flights from Chicago to Buenos Aires in September from 276€

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

One-Way flights

06 Sep Spirit Airlines
05 Sep Spirit Airlines
16 Sep Spirit Airlines
19 Sep Spirit Airlines

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

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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