See main article: article and 2018 BGL Luxembourg Open.
Lesley Kerkhove and Lidziya Marozava were the defending champions, but Kerkhove chose not to participate and Marozava chose to compete in Moscow instead.
Greet Minnen and Alison Van Uytvanck won the title, defeating Vera Lapko and Mandy Minella in the final, 7–6(7–3), 6–2.