What is the airport code for Knoxville, Tennessee?

The airport code for Knoxville, Tennessee, is TYS, which stands for McGhee Tyson Airport. This code is derived from the name of the airport itself, with "TYS" referencing "Tyson," which honors the local community and the history of aviation in the area. McGhee Tyson Airport is the main airport serving the Knoxville region and is an important hub for both domestic and limited international flights.

The other potential choices, while they are valid airport codes elsewhere, do not correspond to Knoxville. For example, KOA is the airport code for Kauai in Hawaii, LAS is the airport code for Las Vegas, Nevada, and LSE represents La Crosse Regional Airport in Wisconsin. Each of these codes pertains to airports located in different states and regions, further highlighting that TYS is the correct code specific to Knoxville.