Most attendees at IRG55 will arrive by air at Knoxville Airport - TYS.
There are no direct international flights into TYS, but there are numerous connections from oUSA gateways..
Click on the link to read "How Knoxville airport McGhee Tyson ranks on air service index in the US"
To view direct flights into Knoxville TYS click on this link:
https://www.flightconnections.com/flights-to-knoxville-tys
Allegiant Air
American Airlines
Delta Air Lines
Frontier Airlines
United Airlines
There are many and varied choices to reach a US Gateway to Knoxville TYS.
For the latest information on airline travel into Knoxville TYS CLICK HERE