Cheap flights from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Sioux City departing on 11/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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 Chicago O'Hare Intl Airport to Sioux City

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:10 pm - 10:59 pmORD-SUX
1h 49mnonstop
United Airlines Logo
7:50 am - 9:45 amSUX-ORD
1h 55mnonstop
$244United Airlines
Find Deal
mar., dic. 9 - dom., dic. 21
United Airlines Logo
9:10 pm - 10:59 pmORD-SUX
1h 49mnonstop
United Airlines Logo
7:50 am - 9:45 amSUX-ORD
1h 55mnonstop
$245United Airlines
Find Deal
mar., dic. 9 - dom., dic. 21
United Airlines Logo
3:35 pm - 5:28 pmORD-SUX
1h 53mnonstop
United Airlines Logo
12:45 pm - 2:40 pmSUX-ORD
1h 55mnonstop
$265United Airlines
Find Deal
vie., feb. 6 - dom., feb. 8
United Airlines Logo
8:03 pm - 6:10 pmORD-SUX
22h 07m2 stops
United Airlines Logo
7:50 am - 9:45 amSUX-ORD
1h 55mnonstop
$329United Airlines
Find Deal
mar., dic. 9 - dom., dic. 21
United Airlines Logo
8:03 pm - 6:10 pmORD-SUX
22h 07m2 stops
United Airlines Logo
7:50 am - 9:45 amSUX-ORD
1h 55mnonstop
$337United Airlines
Find Deal
mar., dic. 9 - dom., dic. 21
United Airlines Logo
8:07 pm - 6:10 pmORD-SUX
22h 03m1 stop
United Airlines Logo
7:50 am - 9:45 amSUX-ORD
1h 55mnonstop
$345United Airlines
Find Deal
mar., dic. 9 - dom., dic. 21
United Airlines Logo
7:10 am - 6:10 pmORD-SUX
11h 00m1 stop
United Airlines Logo
7:50 am - 9:45 amSUX-ORD
1h 55mnonstop
$346United Airlines
Find Deal
mar., dic. 9 - dom., dic. 21
United Airlines Logo
3:35 pm - 5:28 pmORD-SUX
1h 53mnonstop
United Airlines Logo
6:00 am - 8:04 amSUX-ORD
26h 04m2 stops
$349United Airlines
Find Deal
vie., feb. 6 - dom., feb. 8
United Airlines Logo
8:07 pm - 6:10 pmORD-SUX
22h 03m1 stop
United Airlines Logo
7:50 am - 9:45 amSUX-ORD
1h 55mnonstop
$357United Airlines
Find Deal
mar., dic. 9 - dom., dic. 21
United Airlines Logo
3:35 pm - 5:28 pmORD-SUX
1h 53mnonstop
United Airlines Logo
6:43 pm - 7:47 amSUX-ORD
13h 04m2 stops
$397United Airlines
Find Deal
vie., feb. 6 - dom., feb. 8

United Airlines flights from Chicago O'Hare Intl Airport to Sioux City

Our best United Airlines deals on Chicago O'Hare Intl Airport to Sioux City flight tickets
United Airlines
Dec 9
ORD9:10 pmChicago O'Hare Intl
1h 49m
SUX10:59 pmSioux City Sioux Gateway
Dec 21
SUX7:50 amSioux City Sioux Gateway
1h 55m
ORD9:45 amChicago O'Hare Intl
United Airlines
Dec 9
ORD9:10 pmChicago O'Hare Intl
1h 49m
SUX10:59 pmSioux City Sioux Gateway
Dec 21
SUX7:50 amSioux City Sioux Gateway
1h 55m
ORD9:45 amChicago O'Hare Intl
United Airlines
Feb 6
ORD3:35 pmChicago O'Hare Intl
1h 53m
SUX5:28 pmSioux City Sioux Gateway
Feb 8
SUX12:45 pmSioux City Sioux Gateway
1h 55m
ORD2:40 pmChicago O'Hare Intl

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to Sioux City that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated noviembre 6, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Sioux City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoSioux City

ORD - SUX

ORDSUX

Chicago O'Hare Intl

mar. 12/9

9:10 pm-10:59 pm

Nonstop1h 49m

Sioux City Sioux Gateway

dom. 12/21

7:50 am-9:45 am

Nonstop1h 55m

$244

ChicagoSioux City

ORD - SUX

ORDSUX

Chicago O'Hare Intl

mar. 12/9

9:10 pm-10:59 pm

Nonstop1h 49m

Sioux City Sioux Gateway

dom. 12/21

7:50 am-9:45 am

Nonstop1h 55m

$245

ChicagoSioux City

ORD - SUX

ORDSUX

Chicago O'Hare Intl

vie. 2/6

3:35 pm-5:28 pm

Nonstop1h 53m

Sioux City Sioux Gateway

dom. 2/8

12:45 pm-2:40 pm

Nonstop1h 55m

$265

ChicagoSioux City

ORD - SUX

ORDSUX

Chicago O'Hare Intl

mar. 12/9

8:03 pm-6:10 pm

2 stops22h 07m

Sioux City Sioux Gateway

dom. 12/21

7:50 am-9:45 am

Nonstop1h 55m

$329

ChicagoSioux City

ORD - SUX

ORDSUX

Chicago O'Hare Intl

mar. 12/9

8:03 pm-6:10 pm

2 stops22h 07m

Sioux City Sioux Gateway

dom. 12/21

7:50 am-9:45 am

Nonstop1h 55m

$337

ChicagoSioux City

ORD - SUX

ORDSUX

Chicago O'Hare Intl

mar. 12/9

8:07 pm-6:10 pm

1 stop22h 03m

Sioux City Sioux Gateway

dom. 12/21

7:50 am-9:45 am

Nonstop1h 55m

$345

ChicagoSioux City

ORD - SUX

ORDSUX

Chicago O'Hare Intl

mar. 12/9

7:10 am-6:10 pm

1 stop11h 00m

Sioux City Sioux Gateway

dom. 12/21

7:50 am-9:45 am

Nonstop1h 55m

$346

ChicagoSioux City

ORD - SUX

ORDSUX

Chicago O'Hare Intl

vie. 2/6

3:35 pm-5:28 pm

Nonstop1h 53m

Sioux City Sioux Gateway

dom. 2/8

6:00 am-8:04 am

2 stops26h 04m

$349

ChicagoSioux City

ORD - SUX

ORDSUX

Chicago O'Hare Intl

mar. 12/9

8:07 pm-6:10 pm

1 stop22h 03m

Sioux City Sioux Gateway

dom. 12/21

7:50 am-9:45 am

Nonstop1h 55m

$357

ChicagoSioux City

ORD - SUX

ORDSUX

Chicago O'Hare Intl

vie. 2/6

3:35 pm-5:28 pm

Nonstop1h 53m

Sioux City Sioux Gateway

dom. 2/8

6:43 pm-7:47 am

2 stops13h 04m

$397

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

See travel insights to Sioux City from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport 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 cheapest month to fly to Sioux City?

The cheapest month to fly to Sioux City from Chicago O'Hare Intl Airport is in January. Flight prices, which tend to average around $214, are often lower during this time because this is during the off-season. The month of December is another great option to travel to Sioux City, with average flight prices from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport is on a Friday. momondo users have found tickets for Friday departures for as low as $267. 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 O'Hare Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $490.

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 morning when flights can be purchased for as low as $354. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $390 on average. Flights to Sioux City from Chicago O'Hare Intl Airport in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Chicago O'Hare Intl to Sioux City Sioux Gateway flight route?

Fly from Chicago O'Hare Intl to Sioux City Sioux Gateway for the best Chicago O'Hare Intl - Sioux City Sioux Gateway flight prices

What cabin class options are available on Chicago O'Hare Intl to Sioux City Sioux Gateway flights?

There is only 1 cabin class available to choose from on Chicago O'Hare Intl to Sioux City Sioux Gateway flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

When to book flights from Chicago O'Hare Intl Airport to Sioux City

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Sioux City according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Sioux City (ORD to SUX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Sioux City

Best Price Found

$204

Fastest flight time

1h 49m

Direct flights

Wed, Thu, Fri and Sat

Airports in Sioux City

1 airport
The best flight deal from Chicago O'Hare Intl Airport to Sioux City found on momondo in the last 72 hours is $204
The fastest flight from Chicago O'Hare Intl Airport to Sioux City takes 1h 49m
Direct flights go from Chicago O'Hare Intl Airport to Sioux City on Wednesday, Thursday, Friday and Saturday. There are no airlines offering direct flights.
There is 1 airport near Sioux City: Sioux City Sioux Gateway (SUX)
  • How far is Chicago O'Hare Intl to Sioux City Sioux Gateway by plane?

    Sioux City Sioux Gateway is 435.6 mi away from Chicago O'Hare Intl. Flights usually cover this in 1h 49m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Sioux City Sioux Gateway Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Sioux City Sioux Gateway Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Sioux City Sioux Gateway Airport?

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Sioux City Sioux Gateway Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Sioux City?

  • What is the most popular airline from Chicago O'Hare Intl Airport to Sioux City?

Best airlines flying from Chicago O'Hare Intl Airport to Sioux City

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Sioux City with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $204Free CancellationRating
7.4
9,007 reviews
Search United Airlines flights
  • United Airlines Flights From Chicago O'Hare Intl Airport to Sioux City

    United Airlines operates around 7 flights from Chicago O'Hare Intl Airport to Sioux City every week. The average price of these flights found in the last 72 hours has been $416, but momondo users have found United Airlines deals from Chicago O'Hare Intl Airport to Sioux City from as low as $204 round-trip. United Airlines has been scored 7.4/10 in 9,007 reviews.

Traveling to a place near Sioux City?

Book flights to Sioux City if you plan to visit one of these locations
Norfolk

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Sioux City?

Finding the right flight to Sioux City from Chicago is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Sioux City quick and easy, saving you time and money.

Can I find flights from Chicago to Sioux City with flexible booking policies on momondo?

Flights from Chicago to Sioux City with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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?

Yes. momondo can track prices for Chicago to Sioux City 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.

An easier way to manage your Sioux City trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
sáb. 12/6
sáb. 12/13

Find better results for your trip to the United States