Flights operate between Denver (DEN) and Sioux Falls (FSD).
1 airline operates this route with 3-5 flights daily flights.
Average flight time is 1h 26m - 1h 55m.
Route distance is 485 miles (780 km).
Route Distance
485 miles (780 km)
Average Duration
1h 26m - 1h 55m
Airlines Operating This Route
United Airlines
Flight Frequency
Daily Flights
3-5 flights
Weekly Flights
30
Typical Departure Time Ranges
Earliest Departure
09:45
Latest Departure
21:01
Route Intelligence Dashboard
Overall Connectivity Score
70
GoodRoute Diversity
1
Direct Routes
United Airlines serves 1 destination from DEN
Weekly Frequency
21
Weekly Flights
Trend: Stable
Top 1 Most Frequent Routes - Details
| Route | Weekly Flights | Duration | Distance | Reliability |
|---|---|---|---|---|
| DEN → Sioux Falls (FSD) (FSD) | 21/week | 1h 26m - 1h 55m | 485 km | Moderate |
Flight Schedule & Filters
United Airlines flights from Denver (DEN) to Sioux Falls (FSD)
United Airlines operates scheduled nonstop flights between Denver (DEN) and Sioux Falls (FSD). United Airlines operates 3-5 flights daily flights on this route.• Flight Duration: 1h 26m - 1h 55m (average flight time)• Distance: 485 miles (780 km) (air miles between airports)• Daily Flights: 3-5 flights (scheduled departures per day)
Denver (DEN)
US
Sioux Falls (FSD)
US
FLIGHT TIME
1h 26m - 1h 55m
FLIGHT DISTANCE
485 miles (780 km)
1h 33m - 1h 46m
09:45
21:01
485 miles (780 km)
April
1 (Show)
30
United Airlines Terminal Information & Contact
Departure Terminal - Denver (DEN)
Terminal: 1
Phone: 1-800-864-8331
Location: 1, Denver, US
Arrival Terminal - Sioux Falls (FSD)
Terminal: 1
Phone: 1-800-864-8331
Location: 1, Sioux Falls, US
United Airlines Flight Schedule from Denver (DEN) to Sioux Falls (FSD)
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
UA4759 |  United Airlines | 09:45 | 12:31:00 | Embraer 175 (Enhanced Winglets) |
UA645 | United Airlines | 17:50 | 20:23:00 | Boeing 737-800 Passenger |
UA5700 | United Airlines | 21:01 | 23:44:00 | Embraer 175 (Enhanced Winglets) |
United Airlines Monthly Flight Calendar
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United Airlines Terminal Information
Departure Terminal at Denver (DEN):
• Terminal : United Airlines operates from this terminal
Terminal 1:
• United Airlines Terminal Phone: 1-800-864-8331
Arrival Terminal at Sioux Falls (FSD):
• Terminal : United Airlines operates from this terminal
Terminal 1:
• United Airlines Terminal Phone: 1-800-864-8331
Weather & Climate at Sioux Falls (FSD)
9.2°C
Avg Temperature55mm
Avg Rainfall16.2km/h
Avg Wind Speed69%
Avg HumidityBest Months to Visit
Challenging Months
12-Month Weather Overview
Wind Speed by Month
Humidity by Month
Best Time to Book Flights to Sioux Falls (FSD)
Best Booking Window
Book 2-3 months in advance for best prices
Booking Tip
Avoid booking during extreme weather months for better deals
Recommended Months
These months offer the best balance of weather, prices, and availability.
Monthly Booking Recommendations
Flight Price Trends for Sioux Falls (FSD)
Cheapest Months to Fly
Book flights during these months for the best deals and lowest prices.
Price Trend Analysis
Prices are typically lower during shoulder seasons
Monthly Price Trends
Best Months to Fly United Airlines to Sioux Falls (FSD)
Best Months
Optimal conditions for travel with favorable weather, prices, and availability.
Shoulder Season
Transition periods with moderate conditions. Good balance of price and experience.
Seasonal Insight
Best travel months: 2025-06, 2025-07, 2025-08, 2025-09
Seasonal Travel Calendar
United Airlines Contact Information and Customer Services
United Airlines Address
233 S. Wacker Drive
Chicago, IL 60606, United States
Customer Service Phone
+1-800-864-8331Official Website
united.comFrequently Asked Questions
How many United Airlines flights operate from Denver (DEN) to Sioux Falls (FSD)?
United Airlines operates 3 flights from Denver (DEN) to Sioux Falls (FSD).
What city does Sioux Falls (FSD) airport serve?
Sioux Falls (FSD) airport serves Sioux Falls, US.
How long is the United Airlines flight from Denver (DEN) to Sioux Falls (FSD)?
The flight duration is approximately 1h 26m - 1h 55m.
What is the distance from Denver (DEN) to Sioux Falls (FSD)?
The distance is 485 miles (780 km).
What aircraft does United Airlines use on this route?
United Airlines uses Embraer 175 (Enhanced Winglets), Boeing 737-800 Passenger on this route.
Which other airlines operate on this route?
1 other airline operates on this route: Frontier Airlines.
What are the earliest and latest United Airlines flight departure times?
The earliest United Airlines flight departs at 09:45 and the latest departs at 21:01.
View all United Airlines flights to Denver (DEN) →
Popular United Airlines routes from Denver include multiple destinations.
Route data verified regularly by Triposia Travel Research Team.