To save up to 40% on this flight, we recommend booking at least 27 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 Brownsville from $512 1-2 weeks out and tickets from $648 for flights departing within the next 72 hours.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Indiana to Brownsville as you normally would.