As the son of former NHL player Jan Erixon, he has represented Sweden at the World Junior Hockey Championships, winning a silver medal in 2009.

[3] Erixon began his professional career with Skellefteå AIK of the Swedish Elitserien at the age of 17, playing alongside good friend, and fellow 2009 draftee David Rundblad.

[6] Faced with the prospect of losing his rights before the 2011 NHL Entry Draft,[7][8] Flames' general manager Jay Feaster traded Erixon to the New York Rangers on 1 June 2011, in exchange for two 2011 second round draft picks (the Flames selected Markus Granlund and Tyler Wotherspoon) and prospect Roman Horák.

[23] Erixon contributed with 1 assist in 5 games with the Devils before he was released from his PTO to sign a one-year AHL contract with the Springfield Thunderbirds on 1 November 2017.

[24] In the following off-season, Erixon as a free agent returned to the Wilkes-Barre/Scranton organization, agreeing to attend training camp on a professional try-out on September 26, 2018.

[25] He made the opening night roster for the 2018–19 season, and played through 15 games before securing a one-year AHL contract with the Penguins on February 5, 2019.

[26] On June 15, 2019, Erixon returned to Sweden as a free agent following 8 seasons in North America, agreeing to a two-year contract with the Växjö Lakers of the SHL.