Business Class from St. Louis
St. Louis Lambert International
25 routes · 25 destinations · 14 airlines · From $600
Monitor Fares from STL Free →Expert Arrival Guide — STL
Premium Lounge Access
2 LoungesAmerican Airlines Admirals Club
Admirals Club members or eligible American Airlines business class
Southwest Airlines Business Select Lounge
Southwest Business Select or Rapid Rewards A-List Preferred members
At a Glance
Updated April 2026St. Louis Lambert International (STL) offers business class service to 25 destinations on 14 airlines, with round-trip fares starting at $600. Routes span 5 regions including Europe, Asia, South America. 25 monitored routes are available for automated fare tracking.
🌍 Destinations from St. Louis
25 cities across 5 regions with business class service from STL.
Europe11 routes
Asia6 routes
South America4 routes
Middle East3 routes
Oceania & Australia1 routes
✈️ Airlines at St. Louis (STL)
14 airlines with business class departures from St. Louis Lambert International.
💰 Best Value Routes from STL
The most affordable business class fares from St. Louis, sorted by lowest typical price.
Never miss a business class deal from St. Louis
Monitor all 25 routes from STL automatically. Get alerted when prices drop to your budget.
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Frequently Asked Questions
What business class routes are available from St. Louis?
St. Louis Lambert International (STL) offers 25 business class routes to 25 destinations worldwide, including Cancún, Mexico City, Bogotá, Dublin, Istanbul. Fares start from $600.
Which airlines fly business class from STL?
14 airlines offer business class service from St. Louis, including American Airlines, Air France, ITA Airways, British Airways, Cathay Pacific and 9 more. Each offers a distinct product — compare seats, lounges, and service on our airline pages.
What is the cheapest business class flight from St. Louis?
The most affordable business class fares from STL start at $600, with destinations ranging up to $9,000 for ultra-long-haul routes. Prices vary by season, airline, and advance purchase. Our automated monitoring catches price drops the moment they happen.
How can I find business class deals from STL?
Start a free 14-day trial on BusinessClassSignal. We track business class prices across all 25 routes from St. Louis and alert you when fares drop to your target price. Your trial includes daily briefings and instant deal alerts.