One of the essential ways to save on airfare from Louisville to Sao Paulo is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 3% on airfare.
Flights from Louisville to Sao Paulo are found to be more expensive on Sunday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Sao Paulo.