Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from St. Louis to Belo Horizonte as you normally would.
Flights from St. Louis to Belo Horizonte are found to be more expensive on Thursday. 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 Belo Horizonte.