Walnut Creek Airport

Walnut Creek Airport is an airport located in Somonauk Illinois, US. The ICAO code is 49IL, used by air traffic control and pilots for flight planning.

The airport operates in the America/Chicago timezone. When planning flights to or from 49IL, use our flight duration calculator to account for timezone differences, especially for international travel.

Walnut Creek Airport sits at an elevation of 666 feet (203 meters) above sea level.

Browse all airports in United States or explore airports across North America.