Cheap flights from Sioux City to Chicago from $204
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Sioux City to Chicago departing on 10/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Sioux City to Chicago
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
United Airlines flights from Sioux City to Chicago O'Hare Intl Airport
Our best United Airlines deals on Sioux City to Chicago O'Hare Intl Airport flight tickets
See travel insights to Chicago from
How to get the cheapest flight ticket from Sioux City to Chicago O'Hare Intl Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Chicago O'Hare Intl Airport?
The month of October is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Sioux City averaging around $281.
What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?
The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Thursday when prices can be found for as low as $368. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Sioux City because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $656.
What is the cheapest Sioux City Sioux Gateway to Chicago O'Hare Intl flight route?
Fly from Sioux City Sioux Gateway to Chicago O'Hare Intl for the best Sioux City Sioux Gateway - Chicago O'Hare Intl flight prices
What cabin class options are available on Sioux City Sioux Gateway to Chicago O'Hare Intl flights?
There are 2 cabin classes available to choose from on Sioux City Sioux Gateway to Chicago O'Hare Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Sioux City Sioux Gateway to Chicago O'Hare Intl?
United Airlines is the most popular carrier operating from Sioux City Sioux Gateway to Chicago O'Hare Intl
What airlines fly to Chicago O'Hare Intl Airport?
United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Chicago O'Hare Intl Airport from Sioux City according to our data. United Airlines is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Chicago O'Hare Intl Airport. Keep in mind that there are 3 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Sioux City to Chicago O'Hare Intl Airport on average per day?
As of June 2025, there are 1 flights per day flying from Sioux City to Chicago O'Hare Intl Airport. The most common time of day flights depart is 10:00AM, with 100% of flights taking off at noon.
How many flights depart from Sioux City to Chicago O'Hare Intl Airport on average per week?
The number of flights available between Sioux City and Chicago O'Hare Intl Airport is 7 per week as of June 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.
When to book flights from Sioux City to Chicago O'Hare Intl Airport
Cheap Sioux City to Chicago O'Hare Intl Airport (SUX to ORD) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Sioux City to Chicago O'Hare Intl Airport
How far is Sioux City Sioux Gateway to Chicago O'Hare Intl by plane?
There are 435.6 mi between Sioux City Sioux Gateway and Chicago O'Hare Intl. Typically, this will take 1h 44m by plane in normal conditions.
When did momondo last update prices for flights from Sioux City Sioux Gateway Airport to Chicago O'Hare Intl Airport?
Prices for flights from Sioux City Sioux Gateway Airport to Chicago O'Hare Intl Airport were last updated today.
How many operators does momondo search for flights from Sioux City Sioux Gateway Airport to Chicago O'Hare Intl Airport?
As of June 2025, there is 1 operator available to choose from for flights from Sioux City Sioux Gateway Airport to Chicago O'Hare Intl Airport.
How old do you have to be to fly from Sioux City Sioux Gateway Airport to Chicago O'Hare Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sioux City Sioux Gateway Airport to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The required travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago O'Hare Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Sioux City to Chicago O'Hare Intl Airport?
Based on momondo bookings for flights between Sioux City and Chicago O'Hare Intl Airport, the leading plane model is Canadair (Bombardier) Regional Jet, making up 44.19% of the total bookings. Other popular models include Boeing 737-800 with 9.30%, Boeing 717-200 with 6.98%, and Airbus A319 with 6.98%.
What is the most popular airline from Sioux City to Chicago O'Hare Intl Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Sioux City to Chicago O'Hare Intl Airport is United Airlines (100% of total bookings).
Best airlines flying from Sioux City to Chicago O'Hare Intl Airport
Compare and see reviews for airlines that fly from Sioux City to Chicago O'Hare Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $219 | Free Cancellation | Rating 7.4 8,810 reviews |
United Airlines Flights From Sioux City to Chicago O'Hare Intl Airport
Across 7 United Airlines flights from Sioux City to Chicago O'Hare Intl Airport this week, the average price was $298, with the best United Airlines deals starting from $219 round-trip. 8,810 users have rated United Airlines on momondo, with an average score of 7.4/10.
Traveling to a place near Chicago?
Book flights to Chicago if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Sioux City to Chicago?
It is quick and easy to find Sioux City to Chicago flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Chicago that suits you.
Can I find flights from Sioux City to Chicago with flexible booking policies on momondo?
Yes. All flights to Chicago from Sioux City on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Sioux City to Chicago?
momondo helps you find the best flight between Sioux City and Chicago by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Sioux City to Chicago right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Sioux City to Chicago flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.