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    St. Louis Lambert International Airport

    Missouri's busiest airport, serving as a key Midwest hub for domestic and connecting flights.

    IATA Code:STL
    St. Louis Lambert International Airport logo
    US Airport Illustration
    Watch Tower

    Overview of the Airport

    St. Louis Lambert International Airport (STL) is located northwest of downtown St. Louis and serves as the primary commercial airport for the metro area and surrounding regions. It offers access to over 80 nonstop destinations and is a critical gateway for eastern Missouri and southern Illinois.

    38.7499, -90.3748

    15.9M
    Passenger Traffic
    154.2K
    Cargo Throughput

    Growth Trend

    Passenger traffic increased by 7.1% year-over-year in 2024, reaching a 20-year high[1].

    Passenger Growth ChartPassenger Growth ChartPassenger Growth ChartPassenger Growth Chart

    Employment

    14,500

    Workers across airlines, ground services, concessions, security, and airport operations.

    Airport Asset

    Global Ranking

    Largest and busiest airport in Missouri, with significant regional connectivity[4].
    142.6K
    Aircraft Movements

    Market Share of Major Airlines

    Capacity Expansion

    A $2.8 billion consolidated terminal project will expand gate capacity and streamline passenger flow[4].

    Capacity Expansion

    Technological Advancements

    Deployment of advanced security screening and digital wayfinding enhances passenger experience.

    Technological Advancements

    Sustainability Initiatives

    Implementation of energy-efficient systems and green infrastructure supports STL’s environmental goals.

    Sustainability Initiatives

    Recommendations

    Policy Alignment

    Collaborate with federal and local agencies to secure funding and align with national aviation standards.

    Infrastructure Investment

    Accelerate modernization of terminals, parking, and airfield facilities to support future growth.

    Sustainability Focus

    Expand sustainable operations and invest in renewable energy to meet regulatory and community expectations.