[1] Lukošiūnas started his professional career signing with Ežerūnas Molėtai.
After impressive 2017–18 season with Ežerūnas, Lukošiūnas was invited to BC Šiauliai.
On 30 October 2023, Lukošiūnas joined the Salt Lake City Stars after being selected in the first round of the 2023 NBA G League draft.
[3] On 3 July 2024, Lukošiūnas signed a one-year contract with Juventus Utena of the Lithuanian Basketball League (LKL).
This biographical article relating to a Lithuanian basketball figure is a stub.