In the wake of any conflict, the pursuit of peace extends far beyond the cessation of hostilities. For Ukraine, the journey towards peace necessitates a multifaceted approach in which justice plays an indispensable role. This article reviews the essential role of justice in conflict settlement and post-conflict arrangements, examining its intersection with reconciliation and sustainable peace. By exploring the significance of accountability and transitional justice mechanisms, the article aims to elucidate how addressing past grievances can foster societal healing and contribute to Ukraine’s post-war future. Additionally, it emphasises the importance of not only holding Russia accountable for war crimes but also proactively developing mechanisms for maintaining internal peace and reintegrating the occupied territories.