$176 Find Cheap Flights from Sioux City to Chicago - Compare and Save

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

Flights from Sioux City to Chicago O'Hare Intl Airport usually depart from Sioux City Sioux Gateway (SUX) and arrive at Chicago O'Hare Intl (ORD).

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 Sioux City to Chicago O'Hare Intl Airport.

On this route, nonstop flights are cheaper than layover options on average. Nonstop fares average $326 round-trip, compared to $1,042 via a layover through Denver Intl (DEN).

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

Yes. Being flexible with your travel dates can save you up to 47% on the Sioux City to Chicago O'Hare Intl Airport route. Wednesday is the cheapest departure day at $244 round-trip on average, while Sunday is the most expensive at $458, a difference of $214. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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

Some of the most popular sights in Chicago O'Hare Intl Airport are Magnificent Mile, Grant Park and River North. These are among the most viewed places in Chicago O'Hare Intl Airport on KAYAK.

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

• Earliest: departs at 6:00 am and lands at 7:57 am
• Latest: departs at 2:01 pm and lands at 3:58 pm.

The flight takes about 1h 57m.

A nonstop flight from Sioux City to Chicago O'Hare Intl Airport takes 1h 57m, 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 $264 to $1,359. That means the highest observed fare was about 5x higher than the lowest one.

One-way fares from Sioux City to Chicago O'Hare Intl Airport are currently lower than usual. Average one-way flight prices are about $237, which is 23% below the typical average for this route.

Chicago O'Hare Intl Airport (ORD) hosts 5 major car rental companies, with daily rates starting from around $17 for economy cars. Top options include:
· Routes Car & Truck Rentals
· Europcar
· Hertz
· Dollar
· Ace

Round-trip flights from Sioux City to Chicago O'Hare Intl Airport range from $265 to $429, with an average of $326 over the past 12 months. Anything below $265 counts as a good deal.