United AirlinesDepart13:20
Thu, Nov 12FSD → DEN
2h 05m · Direct
$224one way, per person
View deal
- Cheapest fare
- $224
- Cheapest month
- November
- Direct flights
- Yes
- Flight time
- 1h 58m
United Airlines · Thu, Nov 12
from $224
United Airlines
810 km
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Cheapest month to fly from Sioux Falls to Denver
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
See every date in November 2026 →
Plan the rest of your trip to Denver
Where to stay, what to do and getting around, from our travel partners.
About flights from Sioux Falls to Denver
Sioux Falls (FSD) and Denver (DEN) are about 810 km apart. Direct flights take around 1h 58m, and recent direct fares were with United Airlines. Over the next few months, one-way fares start from $224, and November 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Sioux Falls to Denver?
The cheapest one-way fare we've seen recently is $224 with United Airlines, departing Thursday, November 12, 2026.
What is the cheapest month to fly from Sioux Falls to Denver?
November 2026 currently has the lowest fares, from $224 one way.
Are there direct flights from Sioux Falls to Denver?
Yes. Recent direct fares were with United Airlines.
How long is the flight from Sioux Falls to Denver?
A direct flight takes about 1h 58m. Sioux Falls and Denver are around 810 km apart.
Which airlines fly from Sioux Falls to Denver?
Recent fares on this route were with United Airlines, Allegiant Air and American Airlines.
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