Direct flights from Denver to Sioux Falls DEN → FSD
Frontier Airlines and United Airlines operate nonstop flights from Denver (DEN) to Sioux Falls (FSD). The nonstop flight takes around ~0h 58m, covering 483 miles (777 km) and operates multiple daily. Updated 28 June 2026.
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Frontier Airlines
F9
United Airlines
UA
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Frequently asked questions
Is there a direct flight from Denver to Sioux Falls?
Yes, Frontier Airlines and United Airlines operate nonstop flights from Denver (DEN) to Sioux Falls (FSD).
Which airlines fly direct from Denver to Sioux Falls?
Frontier Airlines, United Airlines operate nonstop flights from Denver to Sioux Falls.
How long is the flight from Denver to Sioux Falls?
The nonstop flight from Denver to Sioux Falls takes ~0h 58m (approximately 777 km).
How often do direct flights operate from Denver to Sioux Falls?
Nonstop flights from Denver to Sioux Falls operate multiple daily.