The aviation industry is increasingly turning to Sustainable Aviation Fuel (SAF) as a solution to reduce carbon emissions and combat climate change. SAF, derived from renewable sources like biomass and organic waste, offers a sustainable alternative to traditional jet fuel. By blending SAF with conventional fuel, airlines can significantly decrease their carbon footprint, with the goal of potentially transitioning to 100% SAF usage by 2030. This shift is crucial in achieving the industry's targets of net zero CO2 emissions by 2050. While SAF has shown promising developments, challenges hinder its widespread adoption. High production costs, lower energy density compared to traditional fuel, and the need for supportive government policies are key obstacles. Despite these challenges, the global market for SAF is growing rapidly, with projections indicating substantial market value expansion by 2032. The article highlights the significance of SAF through milestone events such as United and Virgin Atlantic incorporating SAF into their flights. These examples demonstrate the industry's progress towards greener practices. However, SAF's current commercial usage remains minimal, representing only a fraction of total aviation fuel consumption. To overcome this, governments worldwide are introducing policies to promote SAF development and utilization. As the aviation sector navigates towards a more sustainable future, the transition to SAF stands as a pivotal step. By addressing challenges and capitalizing on market growth, the industry aims to achieve substantial reductions in carbon emissions and lead the way towards environmentally friendly air travel.