The Seoul Lantern Festival is a free event that takes place every November. The festival features a stunning display of traditional and modern lanterns that light up the night sky. The lanterns are made by local artists and craftsmen, and they depict various themes and motifs. The festival also includes cultural performances, food stalls, and other activities. The Seoul Lantern Festival is a great choice for budget-conscious travellers who want to experience the magic of Seoul at night.