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O'Hare Intl

$244+ Cheap flights from Sioux City (SUX) to O'Hare Intl (ORD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/18. Fares are subject to change and may not be available on all flights or dates of travel.
SUX — ORD
Jun 21 — Jun 281
Sat 6/21
Sat 6/28
1 adult, Economy
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Cheap flight deals from Sioux City to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Sioux City (SUX) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 16, 2025.

Round-trip from

$244
(United Airlines)

Popular in

January

Cheapest in

February

Average price

$327

Good round-trip deal

$281 or less

Good one-way deal

$181 or less
From Sioux City Sioux Gateway to Chicago O'Hare Intl
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Highest demand for flights based on searches. 10% potential increase in price ($38 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Sioux City Sioux Gateway to Chicago O'Hare Intl.
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Price to beat on a one-way flight from Sioux City Sioux Gateway to Chicago O'Hare Intl.
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Find flight deals from Sioux City to O'Hare Intl

Cheapest flights from Sioux City to O'Hare Intl
Explore the most affordable flight options available from Sioux City to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2025.

This United Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1810:10 amSUX - ORD
Nonstop1h 44mUnited Airlines
Tue 7/228:50 pmORD - SUX
Nonstop1h 50mUnited Airlines
Deal found 6/15$244

Cheapflights Fare Finder

Customize your flight search to find flights from Sioux City to O'Hare Intl 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, Cheapflights users made 2,558,603 searches. Data last updated June 16, 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

Sioux City

Fly to

O'Hare Intl

Route

Depart

Return

Price

Sioux CityChicago

SUX - ORD

SUXORD

Sioux City Sioux Gateway

Fri 7/18

10:10 am-11:54 am

Nonstop1h 44m

Chicago O'Hare Intl

Tue 7/22

8:50 pm-10:40 pm

Nonstop1h 50m

$244

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

Best time to book a flight from Sioux City to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Sioux City with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Sioux City to Chicago O'Hare Intl Airport

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

Currently, August is the cheapest month in which you can book a flight from Sioux City to Chicago O'Hare Intl Airport (average of $245). Flying from Sioux City to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SUX to ORD?

Find hourly flight availability from Sioux City to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 16, 2025.

When flying from Sioux City to Chicago O'Hare Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Sioux City to Chicago O'Hare Intl Airport

Explore weekly flight availability from Sioux City to O'Hare Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 16, 2025.

The most flights from SUX to ORD are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to O'Hare Intl. Reviews last updated June 16, 2025.
United Airlines
7.4
Good
8,801 reviews

Crew

8.1

Entertainment

7.0

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,801 reviews
United Airlines
7.4
Good
8,801 reviews

Crew

8.1

Entertainment

7.0

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Sioux City to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Sioux City to Chicago O'Hare Intl?

    Located just 7.0 mi from the city center, Sioux City Sioux Gateway is the airport most travelers will use when flying to Chicago O'Hare Intl from Sioux City. Booking flights from Sioux Gateway (SUX) to Chicago O'Hare Intl should be relatively easy as there is 1 daily outbound flight to Chicago O'Hare Intl from 1 airline.

  • What is the cheapest airline to fly from Sioux City to Chicago O'Hare Intl Airport round-trip?

    Flying on United Airlines is currently your cheapest option to Chicago O'Hare Intl Airport, with prices starting at $244. This flight start at 26% lower than the current average price 3 months from now.

  • What are the cheapest flights from Sioux City to Chicago O'Hare Intl Airport?

    While on average a flight from Sioux City to Chicago O'Hare Intl Airport is generally $329, our data shows the cheapest flight currently is $168. When looking at the most popular route, (Sioux City Sioux Gateway - Chicago O'Hare Intl), you can expect to pay $244 for that flight.

  • Can I find deals for flights from Sioux City to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Sioux City to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sioux City to O'Hare Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sioux City to O'Hare Intl.

  • Can I find deals for business class flights from Sioux City to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Sioux City to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, August is the cheapest month in which you can book a flight from Sioux City to Chicago O'Hare Intl Airport (average of $245). Flying from Sioux City to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Sioux City?

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Top airline flying from Sioux City to O'Hare Intl

Discover the top airline that operate flights from Sioux City to O'Hare Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$219Average$298FlexibilityNo cancel feeOn-time69%

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