To save up to 11% on this flight, we recommend booking at least 47 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Indiana to Argentina from $1,069 1-2 weeks out and tickets from $1,069 for flights departing within the next 72 hours.
Due to multiple factors, expect to potentially pay more when booking in December. For low rates, September can be a great choice for travel to Argentina. Flights to Argentina from Indiana in September are about $1,037 on average during September, but can be found for as low as $941.