Nonstop flights from Sioux City to Denver
United Airlines flies this route 1 to 2 times a day until Feb 26, 2027.
SUXSioux City Sioux Gateway
466 mi · 11 flights a week
DENDenver International
When they leave
Sioux City time11:30a6:43pFirst departure 11:30 AM, last 6:43 PM
One morning flight at 11:30 AM, then one evening flight at 6:43 PM.
Every flight
Earliest first
Schedules last checked Sep 21, 2026. Times are local.
Flying from Sioux City to Denver
United Airlines is the only airline flying nonstop from Sioux City to Denver, 1 to 2 times a day on the CRJ.
There are 1 or 2 flights every day of the week. The first arrival in Denver is at 12:24 PM and the last at 7:37 PM. The flight covers 466 miles.
Flying back, Denver to Sioux City has 11 nonstop flights a week.
Return flights
Find the cheapest day to fly from Sioux City to Denver.
Schedules as of Oct 9, 2026.