Direct flights from Denver to Sioux City DEN → SUX

United Airlines operates nonstop flights from Denver (DEN) to Sioux City (SUX). The nonstop flight takes around ~0h 56m, covering 465 miles (749 km) and operates daily. Updated 30 June 2026.

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United Airlines UA

Departure Schedule next 7 days

More nonstops from Denver

DEN → SLC Salt Lake City 7 airlines DEN → ORD Chicago 6 airlines DEN → SEA Seattle 6 airlines DEN → CVG Cincinnati 5 airlines DEN → LAX Los Angeles 5 airlines DEN → MSP Minneapolis 5 airlines DEN → ATL Atlanta 4 airlines DEN → AUS Austin 4 airlines

Frequently asked questions

Is there a direct flight from Denver to Sioux City?

Yes, United Airlines operates nonstop flights from Denver (DEN) to Sioux City (SUX).

Which airlines fly direct from Denver to Sioux City?

United Airlines operates nonstop flights from Denver to Sioux City.

How long is the flight from Denver to Sioux City?

The nonstop flight from Denver to Sioux City takes ~0h 56m (approximately 749 km).

How often do direct flights operate from Denver to Sioux City?

Nonstop flights from Denver to Sioux City operate daily.

Explore More

DEN All direct flights from Denver 🗓 Find cheapest round-trip dates → SUX All direct flights from Sioux City SUX → DEN Return: Sioux City to Denver
Cheap direct deals from Denver — last one was $56 to Salt Lake City