Cheapest one-way flights from Chicago to Buenos Aires in January from $285

AirHint found the following cheapest one-way flights from Chicago (ORD) to Buenos Aires (EZE) in January 2026 (see full year).

One-Way flights

08 Jan Spirit Airlines
05 Jan Frontier Airlines
06 Jan Frontier Airlines
07 Jan Spirit Airlines
20 Jan Spirit Airlines
04 Jan Spirit Airlines
30 Jan Spirit Airlines
03 Jan Spirit Airlines
13 Jan Avianca
19 Jan Avianca

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

Powered by

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.

Book a cheap hotel in Buenos Aires

Cheap car rent in Buenos Aires

Feel free to contact us with any feedback or request another flight research.