After two seasons with the Coyotes Boynton was traded at the 2008 NHL Entry Draft along with Keith Ballard and a second round pick to the Florida Panthers for Olli Jokinen on June 20, 2008. In the 2008-09 season, Boynton regained his scoring touch and posted 21 points in 68 games for the Panthers. During the season on February 27, 2009, Boynton was sent home from a Panthers road trip and missed three games for disciplinary reasons, later revealed to be after an argument with coach Peter DeBoer.