Sioux City to Denver (SUX–DEN) — Airlines, Schedules & Connections
No flights match your filters.
No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.
Most recently operated nonstop flights — the month shown is when each was last scheduled. Most destinations remain reachable with a connection.
No discontinued nonstop flights on record for this route.
SUX–DEN is served by 2 airlines with nonstop service. United Airlines and SkyWest Airlines lead the route. The flight covers 466 miles in approximately 1h 54m. Beyond nonstop, 1-stop connecting options are also available.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| UA United Airlines | 22 | CR2, CRJ | 1h54 | – | Star Alliance | – |
| OO SkyWest Airlines | 1 | – | – | – | – | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Other ways to reach Denver from Sioux City
| Metric | SUX→DEN | OMA→DEN | FSD→DEN |
|---|---|---|---|
| Distance from SUX | – | 80 mi | 84 mi |
| Nonstop airlines | 2 | 7 | 5 |
| Weekly flights | 22 | 105 | 64 |
| Flight time | 1h 54m | 1h 29m | 1h 46m |
Travel Essentials
SUX: CDT · DEN: MDT
When it's 6:00 PM in Sioux City, it's 5:00 PM in Denver.
RTD A Line runs to Denver Union Station (37 min, $10.50) with connections to light rail and bus routes. Taxis have meters; expect $55–65 to downtown.DEN's tent-roof Jeppesen Terminal is a single building; all three concourses connect via the underground automated train. Rental cars are on level 5. For ski resorts, shuttle services depart from Ground Transportation.
Semi-arid with 300+ days of sunshine. Summers are dry and warm (27–34°C) with afternoon thunderstorms that produce dramatic but brief delays. Winters bring cold temperatures (−8 to 5°C) and heavy blizzards that can shut down ground operations.
Spring snowstorms can be heavier than midwinter ones. Altitude (5,430 ft) means low humidity year-round; stay hydrated.
SUX–DEN Quick Facts
Frequently Asked Questions
Flights from SUX to DEN
Sioux Gateway Airport / Brigadier General Bud Day Field (SUX) and Denver International Airport (DEN) are connected by nonstop service from United Airlines and SkyWest Airlines. With 22 weekly departures, this is a well served route.
SUX to DEN Flight Duration and Schedule
Nonstop flight time from SUX to DEN is about 1 hours 54 minutes gate to gate. The route covers a distance of 466 miles (749 km). There are approximately 22 weekly flights outbound and 13 return, totaling 35 flights per week in both directions.
Connecting Options and Alternatives
1-stop connecting options are also available, commonly via Chicago O'Hare. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Omaha (OMA), Sioux Falls (FSD) and Lincoln (LNK).