Direct (nonstop) flights from Denver to Sioux Falls
2 airlines fly nonstop from Denver International (DEN) to Sioux Falls (FSD). It's 483 miles (778 km), about 1h 41m in the air. Operated by Frontier Airlines, United Airlines.
Frontier Airlines
United Airlines
Route data last updated: May 29, 2026
Airlines with non-stop flights
F9
Frontier Airlines
UA
United Airlines
Alternative Routes
Other ways to fly from Denver to Sioux Falls with one stop · direct emits 89 kg CO₂ per passenger
Looking for the return flight?
FSD → DEN: Flights from Sioux Falls to DenverOther direct flights from Denver
Direct flights from Sioux Falls (FSD)
Frequently Asked Questions
How long is the direct flight from Denver to Sioux Falls?
A nonstop flight from Denver (DEN) to Sioux Falls (FSD) takes approximately 1 hours and 41 minutes. The distance is 483 miles (778 km).
Which airlines fly nonstop from Denver to Sioux Falls?
2 airlines: Frontier Airlines, United Airlines.
Is there a nonstop flight from Denver to Sioux Falls?
Yes. 2 airlines: Frontier Airlines, United Airlines.
How far is Denver from Sioux Falls?
The flight distance from Denver to Sioux Falls is 483 miles (778 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as Mumbai to Goa.
What type of aircraft flies from Denver to Sioux Falls?
At 1h 41m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
What is the carbon footprint of a flight from Denver to Sioux Falls?
Roughly 89 kg CO2 per passenger one-way. That's about the same as driving 445 km.
Is the return flight from Sioux Falls to Denver also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Denver to Sioux Falls?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Denver International for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.