On 13 July 2016, Vécsei joined Swiss club Lugano on a season-long loan deal.

[3] During his time at Lugano he provided a man of the match performance against FC Sion with two goals, in the 77th and 92nd minute.

On 16 June 2020, he became champion with Ferencváros by beating Budapest Honvéd FC at the Hidegkuti Nándor Stadion on the 30th match day of the 2019–20 Nemzeti Bajnokság I season.

[6] On 5 May 2023, he won the 2022–23 Nemzeti Bajnokság I with Ferencváros, after Kecskemét lost 1–0 to Honvéd at the Bozsik Aréna on the 30th matchday.

[11][12] On 27 March 2023, he scored his first goal against Bulgaria in a 3–0 victory for Hungary in the UEFA Euro 2024 qualifying at the Puskás Aréna.