Frontier Airlines, Southwest Airlines and United Airlines operate nonstop flights from Denver (DEN) to Boise (BOI). The nonstop flight takes around ~1h 18m, covering 647 miles (1,042 km) and operates multiple daily. Updated 28 June 2026.
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Yes, Frontier Airlines, Southwest Airlines and 1 more airline operate nonstop flights from Denver (DEN) to Boise (BOI).
Frontier Airlines, Southwest Airlines, United Airlines operate nonstop flights from Denver to Boise.
The nonstop flight from Denver to Boise takes ~1h 18m (approximately 1042 km).
Nonstop flights from Denver to Boise operate multiple daily.