George Bush Intercontinental Houston Airport (IAH) serves Houston; McGhee Tyson Airport (TYS) serves Knoxville.
The airports are 771 miles apart by great-circle distance.
Roame's current schedule feed shows nonstop service from IAH to TYS.
Marketing airlines listed in the current schedule, including codeshare sellers, are Emirates (EK), All Nippon Airways (NH), Air New Zealand (NZ) and United Airlines (UA). This list does not identify the operating airline for each flight; check the flight details before booking.
Published schedule dates span Oct 19, 2026 – Oct 18, 2027.