Frontier Airlines, Southwest Airlines and United Airlines operate nonstop flights from Cleveland (CLE) to Denver (DEN). The nonstop flight takes around ~2h 25m, covering 1,198 miles (1,928 km). Updated 28 June 2026.
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Yes, Frontier Airlines, Southwest Airlines and 1 more airline operate nonstop flights from Cleveland (CLE) to Denver (DEN).
Frontier Airlines, Southwest Airlines, United Airlines operate nonstop flights from Cleveland to Denver.
The nonstop flight from Cleveland to Denver takes ~2h 25m (approximately 1928 km).