Cheap flights from Sioux Falls to Denver
Cheapest current fares: $89 in August 2026, 778 km direct flight in ~55m.
Cheapest month-by-month fares
Lowest available fare per calendar month from Sioux Falls (FSD) to Denver (DEN). Refreshed daily.
Sioux Falls (FSD) → Denver (DEN)
- August 2026 $89
Frequently asked questions
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What is the cheapest month to fly from Sioux Falls to Denver?
Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Sioux Falls (FSD) to Denver (DEN), with fares starting from $89.
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What is the lowest current fare from FSD to DEN?
The lowest currently-listed fare from Sioux Falls (FSD) to Denver (DEN) is $89 on 2026-08-17.
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How long is the flight from Sioux Falls to Denver?
Direct flights from FSD to DEN cover approximately 778 km (483 miles), with an estimated flight time of 55m. Operating airlines: F9, UA.
Related guides for this route
Sibling pages — full route detail, airport overviews, visa context, per-airline routes.