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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 3/13. 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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0 bags

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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
4:15 pm - 6:06 pm
ORD
-
SUX
1h 51mnonstop
United Airlines Logo
12:55 pm - 2:40 pm
SUX
-
ORD
1h 45mnonstop
$204United Airlines
Sat, May 16 - Sun, May 17
United Airlines Logo
3:50 pm - 5:41 pm
ORD
-
SUX
1h 51mnonstop
United Airlines Logo
12:55 pm - 2:40 pm
SUX
-
ORD
1h 45mnonstop
$265United Airlines
Fri, Mar 27 - Mon, Mar 30
United Airlines Logo
3:50 pm - 5:41 pm
ORD
-
SUX
1h 51mnonstop
United Airlines Logo
12:53 pm - 2:40 pm
SUX
-
ORD
1h 47mnonstop
$326United Airlines
Wed, Mar 11 - Fri, Mar 13
United Airlines Logo
3:50 pm - 5:41 pm
ORD
-
SUX
1h 51mnonstop
United Airlines Logo
12:55 pm - 2:40 pm
SUX
-
ORD
1h 45mnonstop
$355United Airlines
Fri, Mar 27 - Mon, Mar 30
United Airlines Logo
3:50 pm - 5:41 pm
ORD
-
SUX
1h 51mnonstop
United Airlines Logo
6:32 pm - 9:37 am
SUX
-
ORD
15h 05m
1 stop
$409United Airlines
Fri, Mar 27 - Mon, Mar 30
United Airlines Logo
3:50 pm - 5:41 pm
ORD
-
SUX
1h 51mnonstop
United Airlines Logo
12:53 pm - 2:40 pm
SUX
-
ORD
1h 47mnonstop
$416United Airlines
Fri, Mar 13 - Tue, Mar 17
United Airlines Logo
4:15 pm - 6:06 pm
ORD
-
SUX
1h 51mnonstop
United Airlines Logo
6:42 pm - 9:38 am
SUX
-
ORD
14h 56m
1 stop
$427United Airlines
Sat, May 16 - Sun, May 17
United Airlines Logo
3:50 pm - 5:41 pm
ORD
-
SUX
1h 51mnonstop
United Airlines Logo
12:53 pm - 2:40 pm
SUX
-
ORD
1h 47mnonstop
$458United Airlines
Wed, Mar 11 - Sun, Mar 15
United Airlines Logo
8:00 am - 11:41 pm
ORD
-
SUX
15h 41m
2 stops
United Airlines Logo
12:53 pm - 2:40 pm
SUX
-
ORD
1h 47mnonstop
$473United Airlines
Wed, Mar 11 - Sun, Mar 15
United Airlines Logo
7:15 am - 11:41 pm
ORD
-
SUX
16h 26m
2 stops
United Airlines Logo
12:55 pm - 2:40 pm
SUX
-
ORD
1h 45mnonstop
$487United Airlines
Fri, Mar 27 - Mon, Mar 30

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
May 16
ORD4:15 pmChicago O'Hare Intl
1h 51m
SUX6:06 pmSioux City Sioux Gateway
May 17
SUX12:55 pmSioux City Sioux Gateway
1h 45m
ORD2:40 pmChicago O'Hare Intl
$204
United Airlines
Mar 27
ORD3:50 pmChicago O'Hare Intl
1h 51m
SUX5:41 pmSioux City Sioux Gateway
Mar 30
SUX12:55 pmSioux City Sioux Gateway
1h 45m
ORD2:40 pmChicago O'Hare Intl
$265
United Airlines
Mar 11
ORD3:50 pmChicago O'Hare Intl
1h 51m
SUX5:41 pmSioux City Sioux Gateway
Mar 13
SUX12:53 pmSioux City Sioux Gateway
1h 47m
ORD2:40 pmChicago O'Hare Intl
$326

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 February 27, 2026.
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

Sat 5/16

4:15 pm-6:06 pm

Nonstop1h 51m

Sioux City Sioux Gateway

Sun 5/17

12:55 pm-2:40 pm

Nonstop1h 45m

$204

ChicagoSioux City

ORD - SUX

ORDSUX

Chicago O'Hare Intl

Fri 3/27

3:50 pm-5:41 pm

Nonstop1h 51m

Sioux City Sioux Gateway

Mon 3/30

12:55 pm-2:40 pm

Nonstop1h 45m

$265

ChicagoSioux City

ORD - SUX

ORDSUX

Chicago O'Hare Intl

Wed 3/11

3:50 pm-5:41 pm

Nonstop1h 51m

Sioux City Sioux Gateway

Fri 3/13

12:53 pm-2:40 pm

Nonstop1h 47m

$326

ChicagoSioux City

ORD - SUX

ORDSUX

Chicago O'Hare Intl

Fri 3/27

3:50 pm-5:41 pm

Nonstop1h 51m

Sioux City Sioux Gateway

Mon 3/30

12:55 pm-2:40 pm

Nonstop1h 45m

$355

ChicagoSioux City

ORD - SUX

ORDSUX

Chicago O'Hare Intl

Fri 3/27

3:50 pm-5:41 pm

Nonstop1h 51m

Sioux City Sioux Gateway

Mon 3/30

6:32 pm-9:37 am

1 stop15h 05m

$409

ChicagoSioux City

ORD - SUX

ORDSUX

Chicago O'Hare Intl

Fri 3/13

3:50 pm-5:41 pm

Nonstop1h 51m

Sioux City Sioux Gateway

Tue 3/17

12:53 pm-2:40 pm

Nonstop1h 47m

$416

ChicagoSioux City

ORD - SUX

ORDSUX

Chicago O'Hare Intl

Sat 5/16

4:15 pm-6:06 pm

Nonstop1h 51m

Sioux City Sioux Gateway

Sun 5/17

6:42 pm-9:38 am

1 stop14h 56m

$427

ChicagoSioux City

ORD - SUX

ORDSUX

Chicago O'Hare Intl

Wed 3/11

3:50 pm-5:41 pm

Nonstop1h 51m

Sioux City Sioux Gateway

Sun 3/15

12:53 pm-2:40 pm

Nonstop1h 47m

$458

ChicagoSioux City

ORD - SUX

ORDSUX

Chicago O'Hare Intl

Wed 3/11

8:00 am-11:41 pm

2 stops15h 41m

Sioux City Sioux Gateway

Sun 3/15

12:53 pm-2:40 pm

Nonstop1h 47m

$473

ChicagoSioux City

ORD - SUX

ORDSUX

Chicago O'Hare Intl

Fri 3/27

7:15 am-11:41 pm

2 stops16h 26m

Sioux City Sioux Gateway

Mon 3/30

12:55 pm-2:40 pm

Nonstop1h 45m

$487

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 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 $265. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday 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 $481.

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 $265. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $416 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

$326

Fastest flight time

1h 51m

Direct flights

Mon, Tue, Wed, Thu, Sat and Sun

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 $326
The fastest flight from Chicago O'Hare Intl Airport to Sioux City takes 1h 51m
Direct flights go from Chicago O'Hare Intl Airport to Sioux City on Monday, Tuesday, Wednesday, Thursday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport in Sioux City. From Chicago O'Hare Intl Airport there are direct flights to Sioux City Sioux Gateway (SUX).
Search flight deals

  • 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 51m, 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
9,349 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 $354, 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 9,349 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.

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