Billups moved to Australia in early 2017 to play for the
Cockburn Cougars of the
State Basketball League (SBL). He recorded season highs of 40 points and 16 rebounds on May 6 against the
Willetton Tigers. He was named SBL Player of the Week four times and helped the Cougars finish the regular season in seventh place with a 15–11 record. They went on to lose 2–1 to the
Joondalup Wolves in the quarter-finals. In 29 games during the
2017 SBL season, he averaged 23.83 points, 9.76 rebounds and 1.59 assists per game. He was named in the BBL All-Star Five for week four. He played 12 games for the Rocks between October 1 and December 3, averaging 15.3 points, 4.4 rebounds and 1.3 assist per game. On January 15, 2018, Billups signed with the Joondalup Wolves for the
2018 SBL season. He scored a season-high 34 points on July 14 against the
Lakeside Lightning. He was named SBL Player of the Week two times and helped the Wolves finish the regular season in second place with a 21–5 record. They went on to reach the SBL Grand Final after going undefeated over the first two rounds of the finals. In the grand final, the Wolves lost 94–87 to the
Perry Lakes Hawks despite Billups' 22 points and 13 rebounds, with foul trouble limiting him to 24 minutes. For the season, he was named the
SBL MVP and earned
All-SBL First Team honors. In 31 games, he averaged 23.87 points, 8.16 rebounds and 1.48 assists per game. He was then set to play for
Kinmen Kaoliang Liquor in the Taiwanese
Super Basketball League during the 2018–19 season before a leg injury cut short his stint. On December 10, 2018, Billups signed with the
Southern Huskies for their inaugural season in the
New Zealand NBL. In their third game of the
2019 season on April 21, he recorded 32 points and 15 rebounds against the
Hawke's Bay Hawks. He was subsequently named NZNBL Player of the Week for round two and over the course of the season earned three Team of the Week honors. The Huskies missed the finals with a fifth-place finish and a 9–9 record. In 18 games, he averaged 21.1 points, 7.9 rebounds and 1.1 assists per game. On February 14, 2020, Billups signed with the
Ballarat Miners of the
NBL1 South. He was unable to debut for the Miners following the cancellation of the
2020 NBL1 season due to the
COVID-19 pandemic. On August 30, 2021, Billups signed with the
Toyoda Gosei Scorpions of the Japanese
B.League third division. He had three 40-point games throughout the 2021–22 season, The Scorpions finished the season in 13th place with a 9–39 record. In 48 games, he averaged 20.9 points, 9.1 rebounds, 1.9 assists and 1.0 blocks per game. ==References==