STL Airport Code, St. Louis Lambert International Airport
STL is the IATA airport code for St. Louis Lambert International Airport, the main international gateway for St Louis, United States. Pilots and air traffic control use its ICAO code, KSTL.
What airport is STL?
STL is the IATA airport code for St. Louis Lambert International Airport, in St Louis, United States. The same airport has the ICAO code KSTL.
It is a major hub, ranked number 145 by scheduled connections in the open dataset. Its ICAO code KSTL begins with K, the prefix ICAO assigns to the contiguous United States.
| IATA airport code | STL |
|---|---|
| ICAO airport code | KSTL |
| Airport | St. Louis Lambert International Airport |
| City | St Louis |
| Country | United States |
| Main airlines | WN, AA, US |
| Runways | 4 |
Airport data comes from OurAirports (public domain), regenerated here on . How we build this · Data and sources.
Where is STL airport located?
St. Louis Lambert International Airport (STL) is in St Louis, United States, at coordinates 38.7487, -90.37.
It lies in the northern and western hemispheres, at 38.75° N, 90.37° W. The runways sit at 618 ft (188 m) elevation.
Runways at STL
It has 4 runways. The longest is 11,020 ft (3.36 km), designated 12R/30L.
Which airlines fly to STL?
The open route dataset lists WN (Southwest Airlines), AA (American Airlines), US (US Airways), DL (Delta Air Lines), F9 (Frontier Airlines), FL (AirTran Airways) as operating carriers on nonstop routes touching St. Louis Lambert International Airport.
Route and carrier data comes from the OpenFlights open dataset, regenerated here on . It is a historical snapshot of scheduled connections, not a live schedule, and it includes codeshare listings, so some carriers shown may no longer operate the route or exist. How we build this · Data and sources.
Where the STL code comes from
STL is ST. Louis, from SainT Louis. The airport's full name honours Albert Bond Lambert, the balloonist and aviation patron who bankrolled the original field, which also hosted Lindbergh's mail route before his Atlantic flight. The code ignores all of that history and just spells the city.
Curious why codes look the way they do? Read how airport codes work.
Frequently asked questions
What is the IATA code for St. Louis Lambert International Airport?
The IATA code for St. Louis Lambert International Airport in St Louis is STL. It is the three-letter code on tickets, baggage tags and departure boards.
What is the 3-letter code for St Louis?
The 3-letter IATA code for St. Louis Lambert International Airport in St Louis is STL.
What is the ICAO code for St. Louis Lambert International Airport?
The ICAO code for St. Louis Lambert International Airport is KSTL. Pilots and air traffic control use it, while airlines and booking systems use the IATA code STL.
What is the difference between STL and KSTL?
STL is the IATA code used for tickets and baggage. KSTL is the ICAO code used by pilots and air traffic control for the same airport, St. Louis Lambert International Airport.
Read more about St. Louis Lambert International Airport on Wikipedia →
Nearby and related airports
Other airports in St Louis and United States and the wider region:
Popular routes from STL
Distance and typical flight time from St. Louis Lambert International Airport to other airports it connects with:
All airports in United States · Busiest airports worldwide · STL as JSON