Tibbling started out playing football at age six when his mother brought him to play with the local lower league club Grödinge SK. At age nine Tibbling was invited by Stockholm based club IF Brommapojkarna, known for its youth academy to come train with them and six months later he joined them permanently. During his years there Tibbling drew a lot of attention from some of the biggest clubs in the world. He went on trials with Manchester United, Bayern Munich and Ajax. In the summer of 2010 Ajax met and negotiated with Brommapojkarna, but Tibbling wanted to stay in Sweden. Before the 2011 season Tibbling instead chose to move to the bigger Stockholm club Djurgårdens IF.
Djurgården
Simon Tibbling made his senior debut in Djurgårdens IF coming on as a sub in the top Swedish division Allsvenskan against Kalmar FF in the 91st minute. He then made his starting debut in the league against IFK Göteborg on 3 July 2012. Four days after his 18th birthday Tibbling signed a first team contract, extending his deal with Djurgården by another 4.5 years.
Groningen
On 28 November 2014, Tibbling was presented as a new FC Groningen player on 1 January 2015 before helping the Green-White Army win the KNVB Cup in the 2014–15 season against defending champions PEC Zwolle. It was their first major trophy and they qualified for the UEFA Europa League. Tibbling was voted "Player of the Season" of the 2015–16 season by the fans of the club.
On 21 July 2017, Tibbling signed a five-year deal with Danish top tier side Brøndby. He scored his first goal for the club in his Superliga debut, a 1–0 victory against rivals FC Copenhagen, after having come on as a substitute for Besar Halimi in the 88th minute. Tibbling quickly established himself in head coach Alexander Zorniger's side, and was nominated for a goal he scored against Silkeborg IF in October 2017, which ended up being awarded ‘Goal of the Season’ by the Danish Football Union, beating out fellow nominees including Christian Eriksen and Peter Ankersen. His first season in Brøndby was highly successful, making 35 appearances across all competitions and scoring three goals, as Brøndby made a failed push for the league championship, ending in second place behind FC Midtjylland. However, Tibbling appeared as a starter as Brøndby beat Silkeborg IF 3-1 in the 2017–18 Danish Cupfinal. In his second season at Brøndby, controversy arose in September 2018, as tabloid B.T. revealed a confrontation between Tibbling and head coach Zorniger after a match in October the previous year. This had led to Tibbling contacting director of football, Troels Bech the following day. The case came a month after league rivals Midtjylland had offered DKK 7.5 million in an effort to sign him, efforts which were not immediatelly dismissed by Tibbling and his agent, fuelling doubts about his commitment to his club. Tibbling would personally experience a strong 2018–19 season, making 43 appearances in which he scored five goals, as Brøndby, however, went through a tumultuous period. The club had dropped off to fourth place and lost the cup final to Midtjylland, while head coach Zorniger had been dismissed halfway through the season. In the following season, Tibbling slowly saw his playing time diminished under new head coach Niels Frederiksen, as a foot injury suffered in August 2019 kept him out for three months.
Emmen
On 27 July 2020, Tibbling agreed to sign for Dutch Eredivisie club FC Emmen, joining the club on a two-year contract with an option of another year.
International career
Tibbling represented Sweden at the U17, U19 and U21 levels. In the final group match against Portugal in the 2015 UEFA European Under-21 Championship, Tibbling scored an equalizer in 89th minute which put Sweden through to the semi-final. He again scored in a 4–1 victory in the semi-final against Scandinavian rival Denmark, which saw Sweden advance to the final for the first time since 1992. He also started the final against Portugal. The game ended 0–0 and eventually went to penalties, where Sweden won 4–3, securing their first under-21 title. On 8 January 2019, Tibbling made his senior international debut for the Sweden in a 0–1 loss against Finland.
Personal life
Tibbling credited his mother bribing him with Pokémon cards as the reason he kept his motivation to attend football training sessions when he was a child. He celebrated winning the Danish Cup in 2018 watching Eurovision Song Contest and drinking cola.
