Career
He is currently playing with Skellefteå AIK of the Swedish Swedish Hockey League (SHL). Aho played as a youth with Björklöven IF before moving the fellow Swedish club, Skellefteå AIK. Aho made his Elitserien debut on the blueline in 1 game with Skellefteå AIK during the 2012-2013 season. He was signed to a new three-year contract with the club on 13 May 2013.
After helping Skellefteå AIK claim a second straight championship, Aho was rated amongst the top 10 European skaters for the 2014 National Hockey League Entry Draft.
Despite this, Aho was passed over due to his diminutive size and returned to continue with Skellefteå. After his first full SHL season in 2014-2015 season, helping the club return to the finals for the third-consecutive season with 9 points in 41 games, Aho was again rated amongst the top skaters for the 2015 National Hockey League Entry Draft.