Denver to Sioux Falls (DEN-FSD): nonstop flights and who flies them

United Airlines and Frontier Airlines fly nonstop between Denver (DEN) and Sioux Falls (FSD), roughly 39 times a week. With United Airlines running most of the schedule, the shape of a week is predictable, which makes an open premium seat on a given date easy to spot and quick to lose. United Airlines and Frontier Airlines fly the route nonstop in 2LNR's schedule data; the timetable and the reverse direction are below.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

See DEN to FSD on the interactive map Get started free
39
Nonstop flights a week
484 mi
Nonstop distance
Free
To get started

Denver to Sioux Falls flight schedule

Scheduled nonstop departures for DEN to FSD, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Denver (DEN) to Sioux Falls (FSD)
Date Flight Airline Departs DEN Arrives FSD Duration Aircraft
UA 5975United Airlines08:0010:441h 44mCR5
UA 4759United Airlines09:5012:391h 49mE7W
UA 5378United Airlines13:4016:231h 43mE70
UA 645United Airlines17:3020:071h 37m320
UA 5700United Airlines21:0423:441h 40mE70
UA 5975United Airlines08:0010:441h 44mCR5
UA 4759United Airlines09:5012:391h 49mE7W
UA 5378United Airlines13:4016:231h 43mE70
UA 5229United Airlines15:3418:151h 41mCR5
UA 645United Airlines17:3020:071h 37m320
UA 5700United Airlines21:0423:441h 40mE70
UA 4759United Airlines09:5012:391h 49mE7W
UA 5378United Airlines13:4016:231h 43mE70
UA 5229United Airlines15:3418:151h 41mCR5
UA 645United Airlines17:3020:071h 37m320
UA 5700United Airlines21:0423:441h 40mE70
UA 4759United Airlines09:5012:391h 49mE7W
UA 5378United Airlines13:4016:231h 43mE70
UA 5229United Airlines15:3418:151h 41mCR5
F9 2108Frontier Airlines16:0218:361h 34m32N
UA 645United Airlines17:3020:071h 37m320
UA 5700United Airlines21:0423:441h 40mE70
UA 4759United Airlines09:5012:391h 49mE7W
UA 5378United Airlines13:5016:331h 43mE70
UA 645United Airlines17:3020:071h 37m320
UA 5700United Airlines21:0423:441h 40mE70
UA 4759United Airlines09:5012:391h 49mE7W
UA 5378United Airlines13:4016:231h 43mE70
UA 5229United Airlines15:3418:151h 41mCR5
UA 645United Airlines17:3020:071h 37m320
UA 5700United Airlines21:0423:441h 40mE70
UA 4759United Airlines09:5012:391h 49mE7W
UA 5378United Airlines13:4016:231h 43mE70
UA 5229United Airlines15:3418:151h 41mCR5
F9 2108Frontier Airlines16:0218:361h 34m32N
UA 645United Airlines17:3020:071h 37m320
UA 5700United Airlines21:0423:441h 40mE70

Showing all 37 scheduled DEN to FSD departures across the next 7 days with service. Later dates are on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every DEN to FSD date on the interactive map

The full DEN to FSD nonstop schedule

United Airlines and Frontier Airlines fly the route nonstop in 2LNR's schedule data. This page carries the full DEN to FSD nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below.

See real availability

Confirmed upgrade and award seats on each DEN to FSD departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See DEN to FSD on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Denver to Sioux Falls nonstop

Carriers operating DEN to FSD nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

See DEN to FSD on the interactive map →

Frequently asked questions about DEN to FSD

How far is Sioux Falls from Denver?
DEN to FSD covers about 484 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
Which airlines fly nonstop from DEN to FSD?
United Airlines and Frontier Airlines fly the route nonstop. None of them is a carrier 2LNR reads inventory for, so this page carries the DEN to FSD schedule rather than a space claim.
How many flights a week are there from DEN to FSD?
About 39 nonstop flights a week run between Denver and Sioux Falls in the current schedule, operated by United Airlines and Frontier Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from DEN to FSD depart?
Scheduled DEN to FSD nonstops in the next 7 days with service leave between 08:00 and 21:04, local time at Denver. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
Does 2LNR show upgrade or award space on DEN to FSD?
Not on this route: none of United Airlines and Frontier Airlines is a carrier 2LNR reads inventory for. The page carries the full DEN to FSD nonstop schedule and who flies each departure, and the reverse direction is linked below.

See the full DEN to FSD nonstop schedule

Every scheduled departure on this route, with who flies it. On the routes 2LNR does read inventory for, upgrade and award space shows by date, the next 14 days free on every product and the full horizon on Pro.

Get started free