Frontier Airlines LAS Terminal +1-888-839-0502 Before reaching at the departure barriers, passengers travel on Frontier Airlines LAS Terminal must pass through TSA checks at Terminal 3. For expedited assessment, the airport's terminal offers all typical and PreCheck by the TSA lines. To give sufficient time for inspections by security, passengers must be present minimum two hours before flight. Travelers are advised to get ready by taking out liquids, gadgets, and metal objects prior to approaching the screening area in order to facilitate a more seamless encounter. For More : https://www.terminalfind.com/frontier-airlines/frontier-airlines-las-terminal-harry-reid-international-airport/