On this page, you can find and purchase flight tickets for the Chicago — Sioux City route. The distance between the cities is 728 km, and direct flights operate approximately 4 times a week.
Regular flights are operated by UA. Since ticket prices depend on demand and booking time, we recommend using the low-price calendar and price trend chart, as well as checking transportation options to Chicago airport and from Sioux City airport in advance.
The table shows direct flights Chicago → Sioux City on the selected date. The flight takes approximately 1 h 54 min. Regular flights are operated by United Airlines. Departures from O'Hare International Airport, Chicago Midway International Airport and Midway International Airport airports, arrivals at Sioux Gateway Airport.
For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.
Below is a calendar of the lowest flight ticket prices for Chicago — Sioux City by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $165 in b, and the most expensive are around $307 in n. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.
Chicago → Sioux City, average one-way price
| Month | Average price | Level | Month | Average price | Level | Month | Average price | Level |
|---|---|---|---|---|---|---|---|---|
| Jan | $191 | low | May | $216 | medium | Sep | $206 | medium |
| Feb | $186 | low | Jun | $231 | high | Oct | $201 | medium |
| Mar | $201 | medium | Jul | $236 | high | Nov | $221 | high |
| Apr | $206 | medium | Aug | $196 | low | Dec | $231 | high |
Some values are estimated based on seasonality.
The climate in Sioux City is characterized by hot summers and cold winter months. July is the warmest month with average temperatures reaching 30°C, while the lowest temperatures and driest weather occur in January and February, when temperatures drop to -9.4°C.
The best deals on flights are recorded in November and December, with prices $165, and in September, starting $165. Peak price increases occur in March, when the minimum fare starts $308.
September is the optimal choice for a trip, offering a balance between comfortable temperatures and affordable prices. It is best to avoid May due to peak rainfall and March due to high ticket costs.
Flight service on the Chicago — Sioux City route is provided by one main airline: UA. There are approximately 4 regular flights weekly, most of which are direct. Detailed information on flight schedules, travel times, and aircraft types can be found in the interactive airline list below.
Flights Chicago — Sioux City depart from O'Hare International Airport, Chicago Midway International Airport, Midway International Airport and Chicago Rockford International Airport and arrive at Sioux Gateway Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.
The approximate travel time is about 1 hour 10 minutes, given the distance of 728 km and the cruising speed of modern airliners.
Regular flights from Chicago to Sioux City are operated by UA, which is the primary carrier on this route.
Yes, direct flights are available on this route, allowing you to reach your destination as quickly as possible without layovers.
Flight prices are dynamic and depend on the season. You can see the current lowest offers for the coming months in the low-price calendar block on this page.
Flights from Chicago arrive at Sioux City Airport (SUX). Information about transportation to the city center can be found in the arrival section.
Where travelers fly most — pick a route and check prices
