St Louis Downtown Airport

St Louis Downtown Airport is an airport located in Cahokia/St Louis Illinois, US. The airport's IATA code is CPS, which is the three-letter code used on boarding passes and flight bookings. The ICAO code is KCPS, used by air traffic control and pilots for flight planning.

The airport operates in the America/Chicago timezone. When planning flights to or from CPS, use our flight duration calculator to account for timezone differences, especially for international travel.

St Louis Downtown Airport sits at an elevation of 413 feet (126 meters) above sea level.

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