What terminal is JetBlue Airways at LAS? JetBlue Airways serves from Terminal 3 at Las Vegas McCarran International Airport (LAS). Terminal 3 handles both domestic and international flights and features a modern and spacious facility with a variety of services. Inside, there are check-in counters, security checkpoints, and several dining and shopping options. JetBlue flights leave from gates within this terminal, therefore travelers arriving at LAS should follow the Terminal 3 signs. Visit : https://allairportsterminals.com/jetblue-airways/jetblue-airways-las-terminal-harry-reid-international-airport/