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Cheap flights from Sioux City to Chicago from $166

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sioux City to Chicago departing on 11/21. 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

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Cheap round-trip flights

United Airlines Logo
7:45 am - 9:32 amSUX-ORD
1h 47mnonstop
United Airlines Logo
9:10 pm - 10:59 pmORD-SUX
1h 49mnonstop
$240United Airlines
Find Deal
Fri, Oct 31 - Sun, Nov 2
United Airlines Logo
12:45 pm - 2:40 pmSUX-ORD
1h 55mnonstop
United Airlines Logo
3:35 pm - 5:32 pmORD-SUX
1h 57mnonstop
$265United Airlines
Find Deal
Sat, Feb 28 - Wed, Mar 4
United Airlines Logo
7:45 am - 9:32 amSUX-ORD
1h 47mnonstop
United Airlines Logo
9:10 pm - 10:59 pmORD-SUX
1h 49mnonstop
$326United Airlines
Find Deal
Wed, Nov 5 - Fri, Nov 7
United Airlines Logo
6:46 pm - 1:03 pmSUX-ORD
18h 17m2 stops
United Airlines Logo
9:10 pm - 10:59 pmORD-SUX
1h 49mnonstop
$345United Airlines
Find Deal
Fri, Oct 31 - Sun, Nov 2
United Airlines Logo
7:50 am - 9:41 amSUX-ORD
1h 51mnonstop
United Airlines Logo
9:08 pm - 11:00 pmORD-SUX
1h 52mnonstop
$355United Airlines
Find Deal
Fri, Oct 10 - Mon, Oct 13
United Airlines Logo
6:51 pm - 6:53 pmSUX-ORD
24h 02m2 stops
United Airlines Logo
9:08 pm - 11:00 pmORD-SUX
1h 52mnonstop
$357United Airlines
Find Deal
Sat, Oct 18 - Sun, Oct 19
United Airlines Logo
6:46 pm - 7:40 pmSUX-ORD
24h 54m1 stop
United Airlines Logo
9:10 pm - 10:59 pmORD-SUX
1h 49mnonstop
$367United Airlines
Find Deal
Fri, Oct 31 - Sun, Nov 2
United Airlines Logo
12:45 pm - 2:40 pmSUX-ORD
1h 55mnonstop
United Airlines Logo
8:07 pm - 10:39 amORD-SUX
14h 32m1 stop
$368United Airlines
Find Deal
Mon, Feb 23 - Sat, Feb 28
United Airlines Logo
6:51 pm - 2:54 pmSUX-ORD
20h 03m2 stops
United Airlines Logo
9:08 pm - 11:00 pmORD-SUX
1h 52mnonstop
$390United Airlines
Find Deal
Wed, Oct 8 - Mon, Oct 13
United Airlines Logo
6:00 am - 9:47 pmSUX-ORD
15h 47m2 stops
United Airlines Logo
3:35 pm - 5:32 pmORD-SUX
1h 57mnonstop
$393United Airlines
Find Deal
Sat, Feb 28 - Wed, Mar 4

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
United Airlines
Oct 31
SUX7:45 amSioux City Sioux Gateway
1h 47m
ORD9:32 amChicago O'Hare Intl
Nov 2
ORD9:10 pmChicago O'Hare Intl
1h 49m
SUX10:59 pmSioux City Sioux Gateway
$240
Find similar
United Airlines
Feb 28
SUX12:45 pmSioux City Sioux Gateway
1h 55m
ORD2:40 pmChicago O'Hare Intl
Mar 4
ORD3:35 pmChicago O'Hare Intl
1h 57m
SUX5:32 pmSioux City Sioux Gateway
$265
Find similar
United Airlines
Nov 5
SUX7:45 amSioux City Sioux Gateway
1h 47m
ORD9:32 amChicago O'Hare Intl
Nov 7
ORD9:10 pmChicago O'Hare Intl
1h 49m
SUX10:59 pmSioux City Sioux Gateway
$326
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Sioux City to Chicago O'Hare Intl Airport 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 September 23, 2025.
Use the filters below to find and compare flights from Sioux City to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Sioux CityChicago

SUX - ORD

SUXORD

Sioux City Sioux Gateway

Fri 10/31

7:45 am-9:32 am

Nonstop1h 47m

Chicago O'Hare Intl

Sun 11/2

9:10 pm-10:59 pm

Nonstop1h 49m

$240

Sioux CityChicago

SUX - ORD

SUXORD

Sioux City Sioux Gateway

Sat 2/28

12:45 pm-2:40 pm

Nonstop1h 55m

Chicago O'Hare Intl

Wed 3/4

3:35 pm-5:32 pm

Nonstop1h 57m

$265

Sioux CityChicago

SUX - ORD

SUXORD

Sioux City Sioux Gateway

Wed 11/5

7:45 am-9:32 am

Nonstop1h 47m

Chicago O'Hare Intl

Fri 11/7

9:10 pm-10:59 pm

Nonstop1h 49m

$326

Sioux CityChicago

SUX - ORD

SUXORD

Sioux City Sioux Gateway

Fri 10/31

6:46 pm-1:03 pm

2 stops18h 17m

Chicago O'Hare Intl

Sun 11/2

9:10 pm-10:59 pm

Nonstop1h 49m

$345

Sioux CityChicago

SUX - ORD

SUXORD

Sioux City Sioux Gateway

Fri 10/10

7:50 am-9:41 am

Nonstop1h 51m

Chicago O'Hare Intl

Mon 10/13

9:08 pm-11:00 pm

Nonstop1h 52m

$355

Sioux CityChicago

SUX - ORD

SUXORD

Sioux City Sioux Gateway

Sat 10/18

6:51 pm-6:53 pm

2 stops24h 02m

Chicago O'Hare Intl

Sun 10/19

9:08 pm-11:00 pm

Nonstop1h 52m

$357

Sioux CityChicago

SUX - ORD

SUXORD

Sioux City Sioux Gateway

Fri 10/31

6:46 pm-7:40 pm

1 stop24h 54m

Chicago O'Hare Intl

Sun 11/2

9:10 pm-10:59 pm

Nonstop1h 49m

$367

Sioux CityChicago

SUX - ORD

SUXORD

Sioux City Sioux Gateway

Mon 2/23

12:45 pm-2:40 pm

Nonstop1h 55m

Chicago O'Hare Intl

Sat 2/28

8:07 pm-10:39 am

1 stop14h 32m

$368

Sioux CityChicago

SUX - ORD

SUXORD

Sioux City Sioux Gateway

Wed 10/8

6:51 pm-2:54 pm

2 stops20h 03m

Chicago O'Hare Intl

Mon 10/13

9:08 pm-11:00 pm

Nonstop1h 52m

$390

Sioux CityChicago

SUX - ORD

SUXORD

Sioux City Sioux Gateway

Sat 2/28

6:00 am-9:47 pm

2 stops15h 47m

Chicago O'Hare Intl

Wed 3/4

3:35 pm-5:32 pm

Nonstop1h 57m

$393

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 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 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 $398. 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 $663.

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.

Can stopping save me money on Sioux City to Chicago O'Hare Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Sioux City to Chicago O'Hare Intl Airport.

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

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

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

Best Price Found

$253

Fastest flight time

1h 47m

Direct flights

Tue, Wed, Thu, Fri, Sat and Sun
The best one-way flight to Chicago O'Hare Intl Airport from Sioux City in the past 72 hours is $253. The best round-trip flight deal from Sioux City to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $322.
The fastest flight from Sioux City to Chicago O'Hare Intl Airport takes 1h 47m
Direct flights go from Sioux City to Chicago O'Hare Intl Airport on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
Search flight deals

  • 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 47m 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?

  • 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?

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

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
United AirlinesPriceFrom $219Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights

  • United Airlines Flights From Sioux City to Chicago O'Hare Intl Airport

    Across 3 United Airlines flights from Sioux City to Chicago O'Hare Intl Airport this week, the average price was $307, with the best United Airlines deals starting from $219 round-trip. 8,926 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 locations
Lake Geneva
South Haven
Rockford
Schaumburg
Merrillville
Gurnee
Naperville
Rosemont
Kenosha
New Buffalo
Joliet
Oak Brook
Racine
Hammond
Orland Park
Tinley Park
Elgin
Aurora
Janesville
Benton Harbor

Why 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.

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