Signature St. Louis, St. Louis Lambert International Airport (KSTL)

Signature St. Louis is the private aviation terminal at St. Louis Lambert International Airport in St Louis, Missouri. The airport code is STL. The terminal is open 24 hours a day, 7 days a week. It is part of Signature Aviation, a network of more than 200 locations. The terminal serves as a reliable gateway to eastern Missouri and western Illinois.

A ramp rehabilitation project begins July 15, 2026, and it may restrict operations through the rest of the year. Ramp capacity may be limited, and there could be periods with little or no overnight parking. Flight departments are asked to book early through Signature Vision or the website. Signature SUS offers alternative service during the project.

The terminal delivers secure, streamlined, and comfortable service. Aircraft are protected by secure ramp access and continuous 24 hour surveillance. Airstairs help passengers board. Flight crews can prepare in the pilot amenities area.

Customs and immigration are available on site, and the terminal is a DCA DASSP location for eligible flights to Washington Reagan National Airport. Line service, lavatory service, and potable water are available. Signature QuickTurn keeps turnarounds efficient.

Guests can use a crew lounge, a business center, a conference room, and a small conference room with teleconferencing. Computers, a copier, a fax machine, a printer, and WiFi are available. Television and magazines are offered. Catering and catering refrigeration support meals.

Car rentals, hotel booking, limousine service, taxi service, and courtesy crew cars help guests get around. Pet friendly accommodations are offered. The City Museum and Busch Stadium are nearby. Signature Pay offers no annual fees on fuel and services.

Services

• Signature QuickTurn
• Line service
• Lavatory service
• Potable water
• Customs and immigration
• Secure ramp access
• 24 hour surveillance
• Catering
• Hotel booking
• Limousine service