On this page, you can book flights from Sioux City to Chicago. The distance between the cities is about 728 km, and flight frequency on this route is approximately 1 flight per week.
Flights are operated by United Airlines (UA). Since ticket prices often change, we recommend using the low-fare calendar and price chart on our website. It’s also a good idea to check how to get to the departure airport and explore transportation from the arrival airport in advance.
The table shows direct flights Sioux City → Chicago on the selected date. The flight takes approximately 1 h 52 min. Regular flights are operated by United Airlines. Departures from Sioux Gateway Airport airports, arrivals at O'Hare International Airport, Chicago Midway International Airport and Midway International 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 Sioux City — Chicago by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $169 in F, and the most expensive are around $179 in a. 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.
Sioux City → Chicago, average one-way price
| Month | Average price | Level | Month | Average price | Level | Month | Average price | Level |
|---|---|---|---|---|---|---|---|---|
| Jan | $206 | low | May | $236 | medium | Sep | $231 | medium |
| Feb | $201 | low | Jun | $256 | high | Oct | $236 | medium |
| Mar | $211 | low | Jul | $266 | high | Nov | $251 | high |
| Apr | $226 | medium | Aug | $241 | medium | Dec | $246 | high |
Some values are estimated based on seasonality.
The climate in Chicago is characterized by distinct seasons: the warmest month is July, with average temperatures reaching 26.5°C. The coldest weather and frequent precipitation are seen in January, when the mercury drops to -5°C.
Statistics show that the most affordable flights are available in September, October, December, and January, with ticket prices starting $170. Prices peak in February, when the minimum fare starts $179.
September is considered an ideal time to visit, as you can enjoy comfortable temperatures around 23°C alongside the lowest flight costs. It is advisable to avoid traveling in May, which sees the highest rainfall of the year.
Regular passenger service between Sioux City and Chicago is provided by United Airlines (UA). Direct flights offer a convenient connection between these cities; you can find detailed information on departure times and schedules below. Select the airline card to view specific flight details and available routing options.
Flights Sioux City — Chicago depart from Sioux Gateway Airport and arrive at O'Hare International Airport, Chicago Midway International Airport, Midway International Airport and Chicago Rockford International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.
With a distance of 728 km, a direct flight takes approximately 1 hour 15 minutes, though the total time may vary depending on weather conditions and aircraft type.
The primary carrier on this route is United Airlines (UA), providing regular service between the cities.
Airfare prices change constantly; you can check the current minimum for the coming months in the low-fare calendar on this page.
Flights from Sioux City arrive at one of Chicago's major aviation hubs. Detailed information about the destination airport will be included in your flight selection details.
We recommend booking in advance, as seats for specific dates fill up quickly given the low flight frequency (about once a week).
Where travelers fly most — pick a route and check prices
