Woori Bank
In the 2015–16 off-season, Achonwa played in Italy for Dike Napoli. As of November 2016, Achonwa signed with Bucheon KEB Hana Bank, a South Korean club for the 2016–17 off-season. In 2017, Achonwa signed with Asan Woori Bank Wibee of the South Korean league for the 2017–18 WNBA off-season. In 2018, Achonwa signed with Jiangsu Phoenix of the Chinese league for the for the 2018–19 WNBA off-season. In 2019, Achonwa signed with Tango Bourges Basket of the French league for the 2019–20 WNBA off-season. In 2020, Achonwa signed with Famila Schio of the Italian league for the 2020–21 WNBA off-season.