Career
Ikonen was selected by the Lightning in the 6th round (154th overall) of the 2013 National Hockey League Entry Draft. Ikonen made his professional and Master of Science-liiga debut with KalPa Kuopio during the 2011-2012 season. He played the 2012-2013 season in the Ontario Hockey League with the Kingston Frontenacs.
On April 6, 2014, Ikonen was signed to a three-year entry level contract with the Tampa Bay Lightning.