St. Louis Lambert International Airport Guide

IATA STLICAO KSTLSt LouisUpdated 2026-08-29
Local time
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St. Louis Lambert International Airport sits 22 km northwest of downtown St. Louis in St. Louis County, Missouri. It is the largest and busiest airport in the state, serving 15.9 million passengers in 2024 — the highest total in over 20 years. The airport operates more than 270 daily departures to over 80 nonstop domestic and international destinations.

The airport is owned and operated as an Enterprise Fund Department of the City of St. Louis, funded entirely by airport user charges. It has four active runways and two terminals located roughly half a mile apart, connected by a free shuttle service. MetroLink light rail links both terminals directly to downtown St. Louis and the broader metro area.

Lambert was formally established in 1928 and features a Terminal 1 building designed by Minoru Yamasaki, completed in 1956, with its distinctive three-domed roof. International service includes nonstop flights to Europe, Canada, Mexico, and the Caribbean.

Services

4 of 6 available

Compare 19 listed options at St. Louis Lambert International Airport, spanning parking, car rentals, lounges and shuttles. Each guide sets out locations, distance from the airport, key features and links to book direct, so you can weigh cost against convenience before you fly. Select a service below to see every provider we track for St. Louis Lambert International Airport.

Location

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Key facts

Size
16M passengers (2024)4 runwaysopened 1928
Location
38.749, -90.370
Operator
City of St. Louis

Terminals

2 terminals

St. Louis Lambert International Airport has 2 passenger terminalsTerminal 1 and Terminal 2, handling both international and domestic flights for around 8 airlines. Check which terminal your airline uses before you travel, as check-in, security and boarding points differ between them, and moving from one to another can take time.

  • Terminal 1Mixed

    Air Canada, American Airlines, Alaska Airlines, Delta Air Lines, Frontier Airlines, Lufthansa, United Airlines

    Concourses Concourse A · Concourse C

  • Terminal 2Mixed

    Southwest Airlines

    Concourses Concourse E

Nearby cities

4 cities

St. Louis Lambert International Airport is closest to Clayton (19 km southeast), and also serves St. Louis, Chesterfield and other nearby areas. With 4 towns and cities within reach, it is a practical gateway for the wider region. Distances shown are straight-line from the airport, so allow extra time for road transfers, traffic and parking.

  • St. Louis22 km southeast
  • Clayton19 km southeast
  • Chesterfield31 km south
  • O'Fallon32 km west

Frequently Asked Questions

What are the airport codes for St. Louis Lambert International Airport?

St. Louis Lambert International Airport uses the following codes: IATA: STL, ICAO: KSTL. These codes are used by airlines, pilots, and travel systems to identify the airport.

Where is St. Louis Lambert International Airport located?

St. Louis Lambert International Airport is located in St Louis, Missouri, United States. The airport coordinates are 38.7487°, -90.3700°.

What services are available at St. Louis Lambert International Airport?

St. Louis Lambert International Airport offers: 5 parking options, 9 car rental companies, 2 lounges, 3 shuttle services, public transport connections. Click on each service type above to view detailed information.

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