$171 Find Cheap Flights from Chicago to Sioux City - Compare and Save

Among airlines operating Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl Airport and Sioux City.

Flights from Chicago O'Hare Intl Airport to Sioux City usually depart from Chicago O'Hare Intl (ORD) 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

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 Chicago O'Hare Intl Airport to Sioux City.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $298 round-trip via Chicago O'Hare Intl (ORD), compared to $354 for nonstop.

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 Embraer 170 variants.

Most connecting flights from Chicago O'Hare Intl Airport to Sioux City pass through Chicago O'Hare Intl (ORD), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

On the Chicago O'Hare Intl Airport to Sioux City route, being flexible with your departure day can save you up to 60%. Saturday is the cheapest day at $204 round-trip on average, while Sunday is the most expensive at $504: a $300 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

Afternoon is the busiest departure period on Chicago O'Hare Intl Airport to Sioux City flights, with 100% of flights leaving in that window. Morning departures account for 0%, evening flights for 0%, and night flights for 0%.

These are the earliest and latest flight times available from Chicago O'Hare Intl Airport to Sioux City:

• Earliest: departs at 11:29 am and lands at 1:21 pm
• Latest: departs at 4:20 pm and lands at 6:12 pm.

The flight takes about 1h 52m.

A nonstop flight from Chicago O'Hare Intl Airport to Sioux City takes 1h 52m, covering 435 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 $224 to $1,443. That means the highest observed fare was about 6x higher than the lowest one.

One-way fares from Chicago O'Hare Intl Airport to Sioux City are currently higher than usual. Average one-way flight prices are about $309, which is 5% above the typical average for this route.

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 Chicago O'Hare Intl Airport to Sioux City range from $204 to $489, with an average of $354 over the past 12 months. Anything below $204 counts as a good deal.