STL is St. Louis Lambert

An airport in the United States. STL is its three-letter IATA code, the one on your boarding pass and bag tag.

IATA code
STL
Airport
St. Louis Lambert
Country
United States
Region
Americas

Why is it STL?

The letters S, T and L all appear, in that order, in “St. Louis Lambert”, which makes this one of the easier codes to remember.

Don't mix it up with

These codes look or sound close to STL.

Other airports in the United States

Quick check

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Common questions

What airport is STL?

STL is the IATA code for St. Louis Lambert in the United States.

What is the airport code for St. Louis Lambert?

The three-letter IATA code for St. Louis Lambert is STL.