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Direct flights from Sioux City to Denver

Did you mean Flights from Denver to Sioux City?

Flightmap/Flights from SUX/SUX to DEN

Sioux City

United States

SUX

Sioux Gateway Col. Bud Day Field

Denver

United States

DEN

Denver International Airport

Route
Nonstop service available
Distance
465 miles
Marketing airlines
1 airline
Aircraft
3 aircraft types
Dates
Oct 19, 2026 – Oct 8, 2027

Observed award fares

A sample of one-way prices for one traveler from Roame’s fare cache. Points, fees, and seats describe the same observation. Availability can change; confirm with the loyalty program before transferring points.

Departure window: 2026-10-23 – 2026-11-21.

No recent fares appear in this limited preview. This does not mean the route is sold out. Use the search controls to check other dates and routes.

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Explore these airports and cities

  • Flights from SUX
  • Flights to DEN

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.

Marketing airlines listed in the current schedule, including codeshare sellers, are United Airlines (UA). This list does not identify the operating airline for each flight; check the flight details before booking.

Published schedule dates span Oct 19, 2026 – Oct 8, 2027.

Marketing airlines on the Sioux City to Denver route

These are marketing airlines, including codeshare sellers. This list does not identify the operating airline for each flight; check the flight details before booking.

Airline alliance affiliations represented: Star Alliance

Aircraft flying from SUX to DEN

Frequently asked questions

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 market flights from SUX to DEN?

Marketing airlines listed in the current schedule, including codeshare sellers, are United Airlines (UA). This list does not identify the operating airline for each flight; check the flight details before booking.

Which aircraft fly from SUX to DEN?

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

More routes from Sioux City

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  • PAHPaducahUnited States
  • LYHLynchburgUnited States
  • ABIAbileneUnited States
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