To save up to 12% on this flight, we recommend booking at least 25 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Chicago Midway Airport to Buenos Aires from $1,262 1-2 weeks out and tickets from $1,429 for flights departing within the next 72 hours.
Our data shows that September tends to be the cheapest month to fly to Buenos Aires from Chicago Midway Airport. Users have commonly found prices around $1,082 for the month, but tickets can be as low as $692. Due to multiple factors, prepare for potentially higher prices in August.
When flying from Chicago Midway Airport to Buenos Aires, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.