Cheapest return flights from Chicago to Buenos Aires in February from $734

AirHint found the following cheapest return flights from Chicago (ORD) to Buenos Aires (EZE) in February 2026 (see full year).

Return flights

19 Feb - 26 Feb Frontier Airlines
01 Feb - 09 Mar Frontier Airlines
01 Feb - 06 Feb Frontier Airlines
08 Feb - 20 Feb Frontier Airlines
01 Feb - 28 Feb Spirit Airlines
26 Feb - 25 Mar Frontier Airlines
24 Feb - 14 Mar Spirit Airlines
28 Feb - 26 Mar Arajet
18 Feb - 25 Feb United

Also check the deals for one-way flights from Chicago to Buenos Aires in February.

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.