Cheap flights from Chicago to Sioux City from $161
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Sioux City departing on 7/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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United Airlines flights from Chicago to Sioux City
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How to get the cheapest flight ticket from Chicago to Sioux City
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 typical price of a round-trip flight between Chicago and Sioux City?
What is the cheapest month to fly to Sioux City?
The cheapest month to fly to Sioux City from Chicago is in December. Flight prices, which tend to average around $188, are often lower during this time because this is during the off-season. The month of July is another great option to travel to Sioux City, with average flight prices from Chicago averaging around $260.
What is the cheapest day to depart on your flight to Sioux City?
On average, the least expensive day to fly to Sioux City from Chicago is on a Thursday. momondo users have found tickets for Thursday departures for as low as $240. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Chicago because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $416.
What is the cheapest time of day to depart on your flight to Sioux City?
The cheapest time of day to fly to Sioux City is in the evening when flights can be purchased for as low as $326. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $354 on average. Flights to Sioux City from Chicago in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest Chicago to Sioux City Sioux Gateway flight route?
Fly from Chicago O'Hare Intl to Sioux City Sioux Gateway for the best Chicago - Sioux City Sioux Gateway flight prices
What is the cheapest airline that flies from Chicago to Sioux City Sioux Gateway?
United Airlines is the most popular carrier operating from Chicago to Sioux City Sioux Gateway
What airlines fly to Sioux City?
United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to Sioux City from Chicago according to our data. United Airlines is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Sioux City. Keep in mind that there are 3 different airlines that fly to Sioux City on a routine basis, so you have a few additional options to choose from.
How many flights depart from Chicago to Sioux City on average per day?
The number of flights available between Chicago and Sioux City is 1 per day as of June 2025. The most frequent departure time is 8:00PM, with 100% of daily flights leaving in the evening.
How many flights depart from Chicago to Sioux City on average per week?
As of June 2025, there are 7 flights per week flying from Chicago to Sioux City. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.
When to book flights from Chicago to Sioux City
Cheap Chicago to Sioux City (CHI to SUX) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago to Sioux City
Best Price Found | $161 |
|---|---|
Fastest flight time | 1h 40m |
Direct flights | Mon, Wed, Thu, Fri and Sat |
Airports in Sioux City | 1 airport |
How far is Chicago to Sioux City Sioux Gateway by plane?
There are 450.7 mi between Chicago and Sioux City Sioux Gateway. By plane, this route typically takes 1h 40m.
When did momondo last update prices for flights from Chicago to Sioux City Sioux Gateway Airport?
Prices for flights from Chicago to Sioux City Sioux Gateway Airport were last updated today.
How many operators does momondo search for flights from Chicago to Sioux City Sioux Gateway Airport?
As of June 2025, there is 1 operator available to choose from for flights from Chicago to Sioux City Sioux Gateway Airport.
How old do you have to be to fly from Chicago to Sioux City Sioux Gateway Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago to Sioux City Sioux Gateway Airport.
What documentation or ID do you need to fly to Sioux City Sioux Gateway Airport?
The travel and health documents required for your trip to Sioux City Sioux Gateway Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sioux City Sioux Gateway Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Chicago to Sioux City?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Chicago to Sioux City is Canadair (Bombardier) Regional Jet (84.00% of total bookings). The next most popular plane models are Embraer 175 (Enhanced Winglets) (4.00%), Canadair (Bombardier) Regional Jet CRJ-550 (4.00%), and Embraer 170 (4.00%).
What is the most popular airline from Chicago to Sioux City?
Based on momondo bookings for flights between Chicago and Sioux City, the leading airline is United Airlines, making up 100% of the total bookings.
Best airlines flying from Chicago to Sioux City
Compare and see reviews for airlines that fly from Chicago to Sioux City with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $214 | Free Cancellation | Rating 7.4 8,790 reviews |
United Airlines Flights From Chicago to Sioux City
United Airlines flight deals from Chicago to Sioux City start from $214 round-trip. Over the 7 United Airlines flights for this route in a normal week, average airfare is usually $326 round-trip - but some users have found much cheaper deals with momondo.
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Why should I use momondo to find a flight deal from Chicago to Sioux City?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to Sioux City for you.
Can I find flights from Chicago to Sioux City with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Sioux City from Chicago with this policy.
How can momondo help me find flights from Chicago to Sioux City?
momondo provides multiple filters to help you find the best flight to Sioux City from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Chicago to Sioux City right now. Can momondo alert me if prices change?
Price alerts on flights to Sioux City from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.