Allegiant Air, Frontier Airlines, Southwest Airlines and United Airlines operate nonstop flights from Knoxville/Maryville (TYS) to Denver (DEN). The nonstop flight takes around ~2h 20m, covering 1,159 miles (1,866 km) and operates multiple daily. Round-trip fares currently start at $169, with a typical fare around $338 across 57 recent fare combinations. Updated 28 June 2026.
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Scheduled departures over the next 7 days · Updated 15d ago
Yes, Allegiant Air, Frontier Airlines and 2 more airlines operate nonstop flights from Knoxville/Maryville (TYS) to Denver (DEN).
Allegiant Air, Frontier Airlines, Southwest Airlines, United Airlines operate nonstop flights from Knoxville/Maryville to Denver.
The nonstop flight from Knoxville/Maryville to Denver takes ~2h 20m (approximately 1866 km).
Nonstop flights from Knoxville/Maryville to Denver operate multiple daily.
Round-trip flights from Knoxville/Maryville (TYS) to Denver (DEN) start at $169, with a typical fare around $338. Based on 57 recent fare combinations.