Important services for travelers are offered by the Frontier Airlines St. Louis Airport Office lambert International Airport (STL). Support for ticketing, flight check-ins, baggage queries, and reservation modifications is provided by the airport office. Budget-conscious tourists are drawn to Frontier's reasonable pricing structure, and the office staff is happy to answer any queries or concerns they may have about their trip. In order to provide a smoother, stress-free travel experience, passengers are recommended to arrive at the airport early. This is especially important during busy travel periods.