To save up to 8% on this flight, we recommend booking at least 17 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Des Moines to Argentina from $955 1-2 weeks out and tickets from $1,073 for flights departing within the next 72 hours.
Due to multiple factors, expect to potentially pay more when booking in December. For low rates, July can be a great choice for travel to Argentina. Flights to Argentina from Des Moines in July are about $933 on average during July, but can be found for as low as $558.