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Cheap flights from Illinois to Sioux City from $224

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Sioux City

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:00 pm - 5:53 pmORD  Chicago O'Hare Intl-SUX Sioux City Sioux Gateway
1h 53mnonstop
United Airlines Logo
8:35 am - 10:29 amSUX  Sioux City Sioux Gateway-ORD Chicago O'Hare Intl
1h 54mnonstop
$224United Airlines
Thu, Oct 8 - Sun, Oct 11
United Airlines Logo
4:00 pm - 5:53 pmORD  Chicago O'Hare Intl-SUX Sioux City Sioux Gateway
1h 53mnonstop
United Airlines Logo
8:35 am - 10:29 amSUX  Sioux City Sioux Gateway-ORD Chicago O'Hare Intl
1h 54mnonstop
$224United Airlines
Fri, Oct 16 - Fri, Oct 23
United Airlines Logo
4:20 pm - 6:10 pmORD  Chicago O'Hare Intl-SUX Sioux City Sioux Gateway
1h 50mnonstop
United Airlines Logo
6:00 am - 7:59 amSUX  Sioux City Sioux Gateway-ORD Chicago O'Hare Intl
1h 59mnonstop
$224United Airlines
Fri, Nov 13 - Mon, Nov 16
United Airlines Logo
4:00 pm - 5:53 pmORD  Chicago O'Hare Intl-SUX Sioux City Sioux Gateway
1h 53mnonstop
United Airlines Logo
8:35 am - 10:29 amSUX  Sioux City Sioux Gateway-ORD Chicago O'Hare Intl
1h 54mnonstop
$224United Airlines
Fri, Oct 9 - Sun, Oct 11
United Airlines Logo
4:00 pm - 5:53 pmORD  Chicago O'Hare Intl-SUX Sioux City Sioux Gateway
1h 53mnonstop
United Airlines Logo
8:35 am - 10:29 amSUX  Sioux City Sioux Gateway-ORD Chicago O'Hare Intl
1h 54mnonstop
$263United Airlines
Thu, Oct 8 - Sun, Oct 11
United Airlines Logo
2:00 pm - 3:50 pmORD  Chicago O'Hare Intl-SUX Sioux City Sioux Gateway
1h 50mnonstop
United Airlines Logo
6:00 am - 7:59 amSUX  Sioux City Sioux Gateway-ORD Chicago O'Hare Intl
1h 59mnonstop
$264United Airlines
Thu, Nov 26 - Fri, Nov 27
United Airlines Logo
4:20 pm - 6:10 pmORD  Chicago O'Hare Intl-SUX Sioux City Sioux Gateway
1h 50mnonstop
United Airlines Logo
6:00 am - 7:59 amSUX  Sioux City Sioux Gateway-ORD Chicago O'Hare Intl
1h 59mnonstop
$305United Airlines
Tue, Nov 24 - Fri, Nov 27

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United Airlines flights from Illinois to Sioux City

Our best United Airlines deals on Illinois to Sioux City flight tickets
United Airlines
Nov 13
ORD4:20 pmChicago O'Hare Intl
1h 50m
SUX6:10 pmSioux City Sioux Gateway
Nov 16
SUX6:00 amSioux City Sioux Gateway
1h 59m
ORD7:59 amChicago O'Hare Intl
$224
United Airlines
Oct 8
ORD4:00 pmChicago O'Hare Intl
1h 53m
SUX5:53 pmSioux City Sioux Gateway
Oct 11
SUX8:35 amSioux City Sioux Gateway
1h 54m
ORD10:29 amChicago O'Hare Intl
$263
United Airlines
Nov 26
ORD2:00 pmChicago O'Hare Intl
1h 50m
SUX3:50 pmSioux City Sioux Gateway
Nov 27
SUX6:00 amSioux City Sioux Gateway
1h 59m
ORD7:59 amChicago O'Hare Intl
$264

momondo Fare Finder

 
Use the filters below to find and compare flights from Illinois to Sioux City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

ChicagoSioux City

ORD Chicago O'Hare Intl - SUX Sioux City Sioux Gateway

ORDSUX

Chicago O'Hare Intl

Thu 10/8

4:00 pm-5:53 pm

Nonstop1h 53m

Sioux City Sioux Gateway

Sun 10/11

8:35 am-10:29 am

Nonstop1h 54m

$224

ChicagoSioux City

ORD Chicago O'Hare Intl - SUX Sioux City Sioux Gateway

ORDSUX

Chicago O'Hare Intl

Fri 10/16

4:00 pm-5:53 pm

Nonstop1h 53m

Sioux City Sioux Gateway

Fri 10/23

8:35 am-10:29 am

Nonstop1h 54m

$224

ChicagoSioux City

ORD Chicago O'Hare Intl - SUX Sioux City Sioux Gateway

ORDSUX

Chicago O'Hare Intl

Fri 11/13

4:20 pm-6:10 pm

Nonstop1h 50m

Sioux City Sioux Gateway

Mon 11/16

6:00 am-7:59 am

Nonstop1h 59m

$224

ChicagoSioux City

ORD Chicago O'Hare Intl - SUX Sioux City Sioux Gateway

ORDSUX

Chicago O'Hare Intl

Fri 10/9

4:00 pm-5:53 pm

Nonstop1h 53m

Sioux City Sioux Gateway

Sun 10/11

8:35 am-10:29 am

Nonstop1h 54m

$224

ChicagoSioux City

ORD Chicago O'Hare Intl - SUX Sioux City Sioux Gateway

ORDSUX

Chicago O'Hare Intl

Thu 10/8

4:00 pm-5:53 pm

Nonstop1h 53m

Sioux City Sioux Gateway

Sun 10/11

8:35 am-10:29 am

Nonstop1h 54m

$263

ChicagoSioux City

ORD Chicago O'Hare Intl - SUX Sioux City Sioux Gateway

ORDSUX

Chicago O'Hare Intl

Thu 11/26

2:00 pm-3:50 pm

Nonstop1h 50m

Sioux City Sioux Gateway

Fri 11/27

6:00 am-7:59 am

Nonstop1h 59m

$264

ChicagoSioux City

ORD Chicago O'Hare Intl - SUX Sioux City Sioux Gateway

ORDSUX

Chicago O'Hare Intl

Tue 11/24

4:20 pm-6:10 pm

Nonstop1h 50m

Sioux City Sioux Gateway

Fri 11/27

6:00 am-7:59 am

Nonstop1h 59m

$305
Cheapest one-way
Quickest one-way

ChicagoSioux City

ORD Chicago O'Hare Intl - SUX Sioux City Sioux Gateway

ORDSUX

Chicago O'Hare Intl

Sun 1/3

4:10 pm-6:11 pm

Nonstop2h 01m

$303

ChicagoSioux City

ORD Chicago O'Hare Intl - SUX Sioux City Sioux Gateway

ORDSUX

Chicago O'Hare Intl

Sun 1/3

8:23 pm-11:44 pm

1 stop27h 21m

$380

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Sioux City from

How to get the cheapest flight ticket from Illinois 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 day to depart on your flight to Sioux City?

On average, the least expensive day to fly to Sioux City from Illinois is on a Friday. momondo users have found tickets for Friday departures for as low as $224. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Thursday is the most expensive day to depart from Illinois because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $492.

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 afternoon when flights can be purchased for as low as $326. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $490 on average. Flights to Sioux City from Illinois in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Illinois to Sioux City Sioux Gateway flight route?

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

What cabin class options are available on Illinois to Sioux City flights?

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

Cheap Illinois to Sioux City flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Sioux City

Best Price Found

$303

Fastest flight time

1h 50m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sat

Airports in Sioux City

1 airport
The best one-way flight to Sioux City from Illinois in the past 72 hours is $303. The best round-trip flight deal from Illinois to Sioux City found on momondo in the last 72 hours is $224.
The fastest flight from Illinois to Sioux City takes 1h 50m
Direct flights go from Illinois to Sioux City on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. There are no airlines offering direct flights.
There is 1 airport in Sioux City. From Illinois there are direct flights to Sioux City Sioux Gateway (SUX).
Search flight deals

Frequently asked questions about flying from Illinois to Sioux City

  • When did momondo last update prices for flights from Illinois to Sioux City Sioux Gateway Airport?

    Prices for flights from Illinois to Sioux City Sioux Gateway Airport are updated daily.

  • How many operators does momondo search for flights from Illinois to Sioux City Sioux Gateway Airport?

  • How old do you have to be to fly from Illinois 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 Illinois to Sioux City Sioux Gateway Airport.

  • What documentation or ID do you need to fly to Sioux City Sioux Gateway Airport?

    The required travel and health documents for your Sioux City Sioux Gateway 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 Sioux City Sioux Gateway 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 Illinois to Sioux City?

Best airlines flying from Illinois to Sioux City

Compare and see reviews for airlines that fly from Illinois to Sioux City with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $204Free CancellationRating
7.4
10,214 reviews
Search United Airlines flights

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 Illinois to Sioux City?

It is quick and easy to find Illinois to Sioux City 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 Sioux City that suits you.

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

Flights from Illinois 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 Illinois to Sioux City?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Illinois to Sioux City.

I’m not ready to book a flight from Illinois to Sioux City right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Illinois 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.

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