SUX - ORD

$166 Find Cheap Flights from Sioux City to Chicago

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Sioux City to Chicago departing on 11/20. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Chicago O'Hare Intl Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Sioux City to Chicago, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Sioux City to Chicago, as well as popular online travel agencies
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 23% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest round-trip
$204
United Airlines
Tue 11/11Sun 11/16
SUX - ORD • Non-stop
Cheapest non-stop
$204
Typical prices: $299-$375
United Airlines
Tue 11/11Tue 11/18
SUX - ORD • Non-stop
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Chicago!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Sioux City to Chicago (SUX-ORD)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Sioux City to Chicago that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Sioux City to Chicago

Tue, Nov 11 - Sun, Nov 16
United Airlines Logo
7:45 am - 9:32 amSUX-ORD
1h 47mnonstop
United Airlines Logo
9:10 pm - 10:59 pmORD-SUX
1h 49mnonstop
$204United Airlines
Find Deal
Fri, Mar 6 - Thu, Mar 12
United Airlines Logo
12:45 pm - 2:40 pmSUX-ORD
1h 55mnonstop
United Airlines Logo
3:35 pm - 5:32 pmORD-SUX
1h 57mnonstop
$244United Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 8
United Airlines Logo
7:50 am - 9:37 amSUX-ORD
1h 47mnonstop
United Airlines Logo
9:10 pm - 10:59 pmORD-SUX
1h 49mnonstop
$265United Airlines
Find Deal
Wed, Oct 29 - Sun, Nov 2
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
Tue, Nov 11 - Tue, Nov 18
United Airlines Logo
6:46 pm - 11:36 amSUX-ORD
16h 50m2 stops
United Airlines Logo
9:10 pm - 10:59 pmORD-SUX
1h 49mnonstop
$327United Airlines
Find Deal
Tue, Nov 11 - Sun, Nov 16
United Airlines Logo
6:46 pm - 11:36 amSUX-ORD
16h 50m2 stops
United Airlines Logo
9:10 pm - 10:59 pmORD-SUX
1h 49mnonstop
$350United Airlines
Find Deal
Tue, Nov 11 - Tue, Nov 18
United Airlines Logo
7:45 am - 9:32 amSUX-ORD
1h 47mnonstop
United Airlines Logo
8:00 pm - 6:08 pmORD-SUX
22h 08m1 stop
$357United Airlines
Find Deal
Tue, Nov 11 - Sun, Nov 16
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
$368United Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 8
United Airlines Logo
6:52 pm - 9:40 amSUX-ORD
14h 48m1 stop
United Airlines Logo
9:10 pm - 10:59 pmORD-SUX
1h 49mnonstop
$377United Airlines
Find Deal
Fri, Mar 6 - Thu, Mar 12
United Airlines Logo
6:31 pm - 11:19 amSUX-ORD
16h 48m1 stop
United Airlines Logo
3:35 pm - 5:32 pmORD-SUX
1h 57mnonstop
$391United Airlines
Find Deal
Booking Insights

KAYAK's insights & trends for Sioux City to Chicago flights

Get data-powered insights and trends into flights from Sioux City to Chicago to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Sioux City to Chicago?

The average price of all round-trip flights from Sioux City to Chicago O'Hare Intl Airport clicked on KAYAK for each day over the last 12 months.

When flying from Sioux City to Chicago, you should consider leaving on a Thursday and avoid Sundays if you are looking for the best rates. For your return to Sioux City, you’ll find the best rates on Fridays and the most expensive ones on Sundays.

Find deals

Good to know

Low seasonFebruary
Cheapest flight$166
Best time to beat the crowds with an average 39% drop in price.
Most popular time to fly and prices are also 24% lower on average.
Flight from Sioux City to Chicago

When to book flights from Sioux City to Chicago

Are your dates flexible? Find out the best times to travel from Sioux City to Chicago based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Sioux City to Chicago flights

  • What is the cheapest flight from Sioux City to Chicago O'Hare Intl Airport?

    In the last 3 days, the lowest price for a flight from Sioux City to Chicago O'Hare Intl Airport was $166 for a one-way ticket and $204 for a round-trip.

  • Do I need a passport to fly between Sioux City and Chicago?

    No

  • Which airports will I be using when flying from Sioux City to Chicago?

    Sioux City and Chicago are both served by 1 main airport. You will leave Sioux City from Sioux City Sioux Gateway and will be arriving at Chicago O'Hare Intl.

  • Which airlines offer Wi-Fi service onboard planes from Sioux City to Chicago?

    Delta, and American Airlines offer inflight Wi-Fi service on the Sioux City to Chicago flight route.

  • Which aircraft models fly most regularly from Sioux City to Chicago?

    The Canadair (Bombardier) Regional Jet is the aircraft model that flies most regularly on the Sioux City to Chicago flight route.

  • Which airline alliances offer flights from Sioux City to Chicago?

    Star Alliance is the only airline alliance operating flights between Sioux City and Chicago.

  • On which days can I fly direct from Sioux City to Chicago?

    There are nonstop flights from Sioux City to Chicago on a daily basis.

  • How does KAYAK find such low prices on flights from Sioux City to Chicago?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Sioux City to Chicago.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Sioux City to Chicago?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago from Sioux City is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Sioux City to Chicago?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chicago with an airline and back to Sioux City with another airline. Booking your flights between Sioux City and ORD can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Sioux City to Chicago?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago from Sioux City up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Sioux City to Chicago O'Hare Intl Airport

  • Looking for a cheap flight? 25% of our users found flights on this route for $300 or less one-way and $322 or less round-trip.

Prefer to fly direct from Sioux City to Chicago?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Sioux City Sioux Gateway to Chicago O'Hare Intl.
Find which airlines fly direct from Sioux City Sioux Gateway Airport to Chicago O'Hare Intl Airport, which days they fly and book direct flights.

Direct departures

Sioux City Sioux Gateway to Chicago O'Hare Intl

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

Direct returns

Chicago O'Hare Intl to Sioux City Sioux Gateway

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

Reviews of the top airline flying from Sioux City to Chicago

 
See real verified KAYAK customer reviews for airlines flying from Sioux City to Chicago. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Sioux City to Chicago? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 8978 reviews
6.6Food
8.1Crew
7.3Comfort
7.7Boarding
7.1Entertainment
Airline reviews

Better WiFi. I cannot understand that in 2025, United is so behind on a technology that is now a necessity and still painfully unreliable, slow and keeps disconnecting.

6.0 GoodJerome, Oct 2025IAD - ORD
Read more United Airlines reviews

Better WiFi. I cannot understand that in 2025, United is so behind on a technology that is now a necessity and still painfully unreliable, slow and keeps disconnecting.

Trip was great. A wild landing in Ottawa with the wind and rain, but the pilot did a great job. Always love flying United.👍

Excellent experience. Starting with the agent at the Premier bag drop who noticed I was very early for my scheduled flight and offered to rebook me on an earlier flight with my seat preference. She would not let me leave the counter until she knew that all of the changes and new boarding pass showed up on my United app. At the gate, the flight boarded quickly such that we departed early and the flight was smooth. We arrived 20 minutes early at ORD and I was able to be home in time for dinner. One of the best flights I've had.

Salina to travers city was great! But the sept 24 Tranverse city was not! Traverse city to chichago was cancelled, i went to Denver & got to Salina 6 hours later!

See previous note about the passenger in Denver who threw my husband's bag out of the overhead bin in order to maker room for his own. And the flight attendant back up the new passenger.

Flight attendant in first class gave poor service (like he didn't want to be there) and food was awful. We sat waiting for gate upon arrival over 45 mins.

Weather delay in Chicago?. No sense of urgency to make connection in Chicago for our connecting flight that wasn't delayed. Connection was missed.

Overall it was good. I missed my connection but I was put on another flight.

Overall a very poor experience - booked premium economy tickets but due to last minute flight delays , all my itinery went for a toss and had to fly economy class with no access to lounge or any compensation by united airlines to make up for the flight delays . i had expected better experience than that from united.

It was fine, definitely older planes with no charging or anything. There’s no entertainment set up on board, but it is nice that they allow you to access the in flight entertainment from your phone without having to pay for the Wi-Fi and they do offer free texting.

Everything you need to know for your flight from Sioux City to Chicago

Information on your arrival and departure airports

Sioux City (SUX)
O'Hare Intl (ORD)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.