Luan Dias was born in Santos, São Paulo, and finished his formation with Água Santa. He made his first team debut in 2017, becoming a regular starter afterwards and helping in the side's promotion from the Campeonato Paulista Série A2 in 2019.
On 13 July 2020, Luan Dias renewed his contract with the club until 2025.[1]
Loan to Ponte Preta
On 6 August 2020, Luan Dias was loaned to Série B side Ponte Preta until the end of the season.[2] He made his league debut against Avaí FC on 11 September 2020.[3] He featured in 18 league matches as the club missed out promotion.
Loans to Goiás
Back to the Netuno in February 2021,[4] Luan Dias moved to Goiás also in the second division on 2 June, also in a temporary deal.[5] On 4 December, after helping in the latter's promotion to the Série A, it was announced that he would return to his parent club for the 2022 Campeonato Paulista, and subsequently rejoin Goiás on loan for the Série A.[6]
After spending the first three months of the 2022 campaign nursing an injury, Luan Dias returned to Goiás[7] and made his top tier debut on 28 May 2022, coming on as a late substitute for Elvis in a 1–1 home draw against Red Bull Bragantino.[8]
Loan to Santos
After impressing during the 2023 Campeonato Paulista as Água Santa reached the finals, Luan Dias moved to Santos in the top tier on loan until the end of the year on 12 April 2023.[9] He made his debut for the club eleven days later, replacing Daniel Ruiz in a 0–0 home draw against Atlético Mineiro and suffering a thigh injury during the match.[10]
Loan to Guarani
Luan Dias made his league debut against Vila Nova on 23 April 2024.[11] He scored his first league goal against Ponte Preta on 30 June 2024, scoring in the 25th minute.[12]