We investigate the impact of UN peacekeeping on voluntary returns and negative attitudes towards displaced persons. We posit that peacekeeping missions can have beneficial effects by improving security and alleviating the socio-economic burden imposed by new arrivals on receiving communities. Focusing on the critical case of South Sudan, we combine information on peacekeepers' subnational deployment with high frequency survey data. Our findings suggest that the presence of peacekeepers is more likely to attract individuals seeking to return home, compared to those relocating for other reasons. In addition, peacekeepers positively influence the perceptions of receiving communities regarding the impact of IDPs and refugees on economic opportunities, security conditions, and social cohesion.