On December 17, 2011, Rundblad was traded to the Phoenix Coyotes (along with a second-round draft pick) for forward Kyle Turris. Rundblad participated in the AHL All-Star Classic in Providence, Rhode Island, on January 28, 2013. He scored six goals and had 17 assists for 23 points in 32 games before the break. On March 4, 2014, Rundblad (along with defenceman Mathieu Brisebois) was traded to the Chicago Blackhawks in exchange for a second-round pick in 2014.