Leaving on a Sunday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 294% on the overall cost on flights from Minneapolis to Iguassu Falls.
When flying from Minneapolis to Iguassu Falls, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 66% versus a flight at noon.