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

United Airlines and Frontier Airlines fly nonstop between Sioux Falls (FSD) and Denver (DEN), roughly 55 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.

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55
Nonstop flights a week
484 mi
Nonstop distance
Free
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Sioux Falls to Denver flight schedule

Scheduled nonstop departures for FSD to DEN, 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 Sioux Falls (FSD) to Denver (DEN)
Date Flight Airline Departs FSD Arrives DEN Duration Aircraft
UA 5701United Airlines06:0006:531h 53mE70
UA 2742United Airlines09:3010:161h 46m320
UA 1849United Airlines09:3510:281h 53m738
UA 5319United Airlines11:2512:151h 50mCR5
UA 5811United Airlines11:2512:151h 50mCR5
UA 5492United Airlines13:3314:271h 54mE7W
UA 5848United Airlines17:0518:072h 2mE70
UA 5701United Airlines06:0006:531h 53mE70
UA 2742United Airlines09:3010:161h 46m320
UA 1849United Airlines09:3510:281h 53m320
UA 5319United Airlines11:2512:151h 50mCR5
UA 5811United Airlines11:2512:151h 50mCR5
UA 5492United Airlines13:3314:271h 54mE7W
UA 5848United Airlines17:0518:072h 2mE70
UA 5296United Airlines18:5019:451h 55mCR5
UA 5353United Airlines18:5119:552h 4mCR5
UA 5701United Airlines06:0006:531h 53mE70
UA 2742United Airlines09:3010:161h 46m320
UA 1849United Airlines09:3510:281h 53m320
UA 5319United Airlines11:2512:151h 50mCR5
UA 5492United Airlines13:3314:271h 54mE7W
UA 5848United Airlines17:0518:072h 2mE70
UA 5296United Airlines18:5019:451h 55mCR5
UA 5353United Airlines18:5119:552h 4mCR5
UA 5701United Airlines06:0006:531h 53mE70
UA 2742United Airlines09:3010:161h 46m320
UA 1849United Airlines09:3510:281h 53m320
UA 5319United Airlines11:2512:151h 50mCR5
UA 5492United Airlines13:3314:271h 54mE7W
UA 5848United Airlines17:0518:072h 2mE70
UA 5296United Airlines18:5019:451h 55mCR5
UA 5353United Airlines18:5119:552h 4mCR5
F9 2107Frontier Airlines19:3120:191h 48m32N
UA 5701United Airlines06:0006:531h 53mE70
UA 2742United Airlines09:3010:161h 46m320
UA 1849United Airlines09:3510:281h 53m320
UA 5492United Airlines13:3314:271h 54mE7W
UA 5848United Airlines17:0518:072h 2mE70
UA 5701United Airlines06:0006:531h 53mE70
UA 2742United Airlines09:3010:161h 46m320

Showing the first 40 of 55 scheduled FSD to DEN departures across the next 7 days with service. Every remaining date is 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 FSD to DEN date on the interactive map

The full FSD to DEN nonstop schedule

United Airlines and Frontier Airlines fly the route nonstop in 2LNR's schedule data. This page carries the full FSD to DEN 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 FSD to DEN 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 FSD to DEN on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Sioux Falls to Denver nonstop

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

See FSD to DEN on the interactive map →

Frequently asked questions about FSD to DEN

How far is Denver from Sioux Falls?
FSD to DEN 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 FSD to DEN?
United Airlines and Frontier Airlines fly the route nonstop. None of them is a carrier 2LNR reads inventory for, so this page carries the FSD to DEN schedule rather than a space claim.
How many flights a week are there from FSD to DEN?
About 55 nonstop flights a week run between Sioux Falls and Denver 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 FSD to DEN depart?
Scheduled FSD to DEN nonstops in the next 7 days with service leave between 06:00 and 19:31, local time at Sioux Falls. 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 FSD to DEN?
Not on this route: none of United Airlines and Frontier Airlines is a carrier 2LNR reads inventory for. The page carries the full FSD to DEN nonstop schedule and who flies each departure, and the reverse direction is linked below.

See the full FSD to DEN 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.

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