STL Live Data

TSA Wait Times at St. Louis Lambert International (STL)

Everything you need to know about security at St. Louis Lambert International in St. Louis, MO.

When Are TSA Lines Longest at STL?

Based on historical data, the busiest times at St. Louis Lambert International are typically early morning (5-8 AM) and late afternoon (4-6 PM). For the shortest wait, aim for mid-morning or early afternoon.

TSA PreCheck & CLEAR

PreCheck members typically wait under 5 minutes at STL. Many travel credit cards reimburse the $78 enrollment fee. Compare PreCheck vs CLEAR →

Tips for Faster Security

  • Check PreBoard before heading to the airport for live wait times
  • Arrive at least 2 hours before domestic flights, 3 hours for international
  • Have your ID and boarding pass ready before joining the line
  • Wear easy-to-remove shoes and avoid excessive metal jewelry

Frequently Asked Questions

How long is TSA security at St. Louis Lambert International?

TSA wait times at STL vary by time of day. Check PreBoard for live wait times updated every minute.

Does STL have TSA PreCheck?

Check the STL airport page on PreBoard for the latest checkpoint information.

What is the best time to go through security at STL?

Early morning (before 6 AM) and mid-afternoon (1-3 PM) typically have the shortest lines at STL.