Cheapest one-way flights from Chicago to Buenos Aires in August from 290€

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

One-Way flights

25 Aug Frontier Airlines
21 Aug Frontier Airlines
15 Aug Frontier Airlines
18 Aug Frontier Airlines
22 Aug Frontier Airlines
14 Aug Avianca
11 Aug Copa
13 Aug Avianca
05 Aug Avianca
08 Aug Avianca

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

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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