$163 Find Cheap Flights from Denver to Sioux City - Compare and Save

Among airlines operating Denver to Sioux City flights:

• United Airlines: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only United Airlines operates flights between Denver and Sioux City.

Flights from Denver to Sioux City usually depart from Denver Intl (DEN) and arrive at Sioux City Sioux Gateway (SUX).

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a cabin bag in Economy Class class
• JetBlue: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Only Economy Class is available on flights from Denver to Sioux City.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$80 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Canadair (Bombardier) Regional Jet family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Canadair (Bombardier) Regional Jet 200 variants.

On the Denver to Sioux City route, being flexible with your departure day can save you up to 46%. Saturday is the cheapest day at $234 round-trip on average, while Monday is the most expensive at $433: a $199 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

Night is the busiest departure period on Denver to Sioux City flights, with 100% of flights leaving in that window. Morning departures account for 0%, afternoon flights for 0%, and evening flights for 0%.

These are the earliest and latest flight times available from Denver to Sioux City:

• Earliest: departs at 9:05 pm and lands at 10:43 pm
• Latest: departs at 9:05 pm and lands at 10:43 pm.

The flight takes about 1h 38m.

A nonstop flight from Denver to Sioux City takes 1h 38m, covering 465 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $234 to $2,005. That means the highest observed fare was about 9x higher than the lowest one.

One-way fares from Denver to Sioux City are currently higher than usual. Average one-way flight prices are about $262, which is 51% above the typical average for this route.

Sioux City is 1 hour ahead of Denver (Central Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

Sioux City Sioux Gateway Airport (SUX) hosts 5 major car rental companies, with daily rates starting from around $22 for economy cars. Top options include:
• Alamo
• Enterprise Rent-A-Car
• Hertz
• Avis
• National

Round-trip flights from Denver to Sioux City range from $234 to $410, with an average of $278 over the past 12 months. Anything below $234 counts as a good deal.