This research proposal aims to analyze the effect of Facebook eWOM on the brand image and purchasing intention of low-cost airlines in Thailand. The study will focus on the impact of eWOM on brand awareness and consumer decision making. It will also explore the role of social media, particularly Facebook, in the airline industry. The research objectives include examining the effect of eWOM on brand image, understanding consumer perception of social media in the airline business, and analyzing how Facebook influences airline choices for travel to Thailand.