In August 2015, Hickey joined Polish club
Asseco Gdynia. With Gdynia, he averaged 14 points, 3.4 rebounds and 2.8 assists per game. On August 1, 2016, he joined
Petrolina AEK Larnaca of the
Cypriot Basketball League. After just two games, he left the club and joined
Apollon Patras of the
Greek Basket League, replacing
Chris Jones on the team's squad. On November 2, 2017, Hickey joined
Enosis Neon Paralimni of the
Cyprus Basketball Division 1. On April 21, 2018, Hickey joined
Rethymno Cretan Kings B.C. of the
Greek Basket League. He signed with
Spójnia Stargard of the
Polish Basketball League on August 12, 2018. He returned to
Rethymno Cretan Kings during the season. On April 4, 2019, Hickey recorded the first triple double in the
Greek Basket League after 18 seasons. Hickey posted 14 points, 10 rebounds and 16 assists and became the first player after
Torraye Braggs to have a triple double. On July 11, 2019, he signed with the
Skyliners Frankfurt of the
Basketball Bundesliga. On November 18, 2019, Hickey returned to Greece for
Larisa, replacing
Scottie Reynolds. He spent the 2020–21 season in Romania with
CSO Voluntari, averaging 18.2 points, 8.0 assists, 4.0 rebounds, and 2.7 assists per game. On August 16, 2021, Hickey signed with
Astana of the
Kazakhstan Championship, the
VTB United League, and the
FIBA Asia Champions Cup. On June 30, 2022, he signed with
Hapoel Haifa from the
Israeli Basketball Premier League. On July 10, 2025, he signed with
APU Udine of the
Lega Basket Serie A (LBA). ==References==