Direct flights from Sioux City to Denver

Sioux City

United States

SUX

Sioux Gateway Col. Bud Day Field

Denver

United States

DEN

Denver International Airport

Sioux City to Denver route overview

Sioux Gateway Col. Bud Day Field (SUX) serves Sioux City; Denver International Airport (DEN) serves Denver.

The airports are 465 miles apart by great-circle distance.

Roame's current schedule feed shows nonstop service from SUX to DEN.

Airlines represented in the current schedule are United Airlines (UA).

Published schedule dates span Sep 8, 2026 – Aug 19, 2027.

Airline alliance affiliations represented: Star Alliance

Which airports serve the Sioux City to Denver route?

Sioux Gateway Col. Bud Day Field (SUX) is the origin airport and Denver International Airport (DEN) is the destination airport.

How far is Denver from Sioux City?

SUX and DEN are approximately 465 miles apart by great-circle distance.

Are there direct flights from SUX to DEN?

Yes. Roame's current schedule feed shows nonstop service from SUX to DEN.

Which airlines fly from SUX to DEN?

Airlines represented in the current schedule are United Airlines (UA).

Which aircraft fly from SUX to DEN?

Aircraft listed in the current schedule include Canadair Regional Jet 200 (CR2), CRJ and JET.