$161 Cheap Flights from Chicago (ORD) to Sioux City (SUX)

View $161 flight on Wed, May 28, 2025Opens in a new window

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Find available prices by choosing your travel dates.

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

Prices were available within the past 7 days and start at $161 for one-way flights and $224 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, May 15 - Sun, May 18
ORD
Chicago
SUX
Sioux City
$224 Roundtrip, found 2 days ago
$224
Roundtrip
found 2 days ago
Select United flight, departing Thu, May 15 from Chicago to Sioux City, returning Sun, May 18, priced at $224 found 2 days ago
United
Wed, Sep 17 - Thu, Oct 2
ORD
Chicago
SUX
Sioux City
$234 Roundtrip, found 2 hours ago
$234
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Sep 17 from Chicago to Sioux City, returning Thu, Oct 2, priced at $234 found 2 hours ago
United
Fri, Sep 26 - Sun, Sep 28
ORD
Chicago
SUX
Sioux City
$249 Roundtrip, found 6 days ago
$249
Roundtrip
found 6 days ago
Select United flight, departing Fri, Sep 26 from Chicago to Sioux City, returning Sun, Sep 28, priced at $249 found 6 days ago
United
Thu, May 15 - Sun, May 18
ORD
Chicago
SUX
Sioux City
$254 Roundtrip, found 2 days ago
$254
Roundtrip
found 2 days ago
Select United flight, departing Thu, May 15 from Chicago to Sioux City, returning Sun, May 18, priced at $254 found 2 days ago
United
Wed, Sep 17 - Fri, Oct 3
ORD
Chicago
SUX
Sioux City
$265 Roundtrip, found 2 hours ago
$265
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Sep 17 from Chicago to Sioux City, returning Fri, Oct 3, priced at $265 found 2 hours ago
United
Fri, May 2 - Wed, May 21
ORD
Chicago
SUX
Sioux City
$279 Roundtrip, found 17 hours ago
$279
Roundtrip
found 17 hours ago
Select United flight, departing Fri, May 2 from Chicago to Sioux City, returning Wed, May 21, priced at $279 found 17 hours ago
United
Fri, May 16 - Sun, May 18
ORD
Chicago
SUX
Sioux City
$293 Roundtrip, found 6 days ago
$293
Roundtrip
found 6 days ago
Select United flight, departing Fri, May 16 from Chicago to Sioux City, returning Sun, May 18, priced at $293 found 6 days ago
United
Fri, Aug 29 - Tue, Sep 9
ORD
Chicago
SUX
Sioux City
$312 Roundtrip, found 1 day ago
$312
Roundtrip
found 1 day ago
Select United flight, departing Fri, Aug 29 from Chicago to Sioux City, returning Tue, Sep 9, priced at $312 found 1 day ago
United
Mon, May 19 - Mon, May 26
ORD
Chicago
SUX
Sioux City
$317 Roundtrip, found 1 day ago
$317
Roundtrip
found 1 day ago
Select United flight, departing Mon, May 19 from Chicago to Sioux City, returning Mon, May 26, priced at $317 found 1 day ago
United
Fri, May 30 - Sun, Jun 8
ORD
Chicago
SUX
Sioux City
$322 Roundtrip, found 4 days ago
$322
Roundtrip
found 4 days ago
Select United flight, departing Fri, May 30 from Chicago to Sioux City, returning Sun, Jun 8, priced at $322 found 4 days ago

Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Sioux Gateway Airport (SUX) cost?
Book cheap return fares starting at $224 from O’Hare Intl. Airport (ORD) to Sioux Gateway Airport (SUX). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United flight leaving ORD on May 15 2025 and touching down at SUX. The price was last updated on April 25 2025 and has not changed since.
What is the cheapest month to fly from ORD to SUX?
The cheapest flights from ORD to SUX are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from O'Hare Intl. Airport (ORD) to Sioux Gateway Airport (SUX)?
You can fly straight from O’Hare Intl. Airport (ORD) to Sioux Gateway Airport (SUX) on a United Airlines flight.
What is the cheapest airline that flies from ORD to SUX?
Take off from ORD to SUX with United. This airline currently has the cheapest one-way ticket on this route, starting from $161. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from ORD on June 10 2025. Prices were last updated on April 25 2025 and have not changed since.
How many flights per day from O'Hare Intl. Airport (ORD) to Sioux Gateway Airport (SUX)?
On average, O’Hare Intl. Airport (ORD) only offers 1 direct flight to Sioux Gateway Airport (SUX) every day. For additional options, try our easy-to-use filter tool. Enter your preferred travel dates, then select “1 Stop” or “2+ Stops” to find flights with layovers.
What are the most popular departure times for flights from O'Hare Intl. Airport (ORD) to Sioux Gateway Airport (SUX)?
Flights between ORD and SUX are their busiest at 8 PM. If you’re after a more relaxed experience and potentially cheaper prices, look for a departure that’s outside typical rush times.
What day of the week has the most flights from ORD to SUX?
Fly on a Saturday if you’re after the biggest selection of flights from O’Hare Intl. Airport (ORD) to Sioux Gateway Airport (SUX).
What is the earliest flight from O'Hare Intl. Airport (ORD) to Sioux Gateway Airport (SUX)?
The first flight of the day leaving O’Hare Intl. Airport (ORD) is at around 8:20PM UTC-6. Catch this flight and you’ll land at Sioux Gateway Airport (SUX) at approximately 10:12PM UTC-6. The total time in the air is 1h 52m.
How long does it take to fly from O'Hare Intl. Airport (ORD) to Sioux Gateway Airport (SUX)?
Flights from ORD to SUX have an average travel time of 1 hour and 52 minutes. The distance between these two airports is 440 mi.
What airline has the least delays from ORD to SUX?
Consider traveling with American Airlines if you’d like to go straight from O’Hare Intl. Airport (ORD) to Sioux Gateway Airport (SUX) without any interruptions. This airline has the strongest track record for punctuality, with an on-time score of 82%. Want real-time updates? You can check your flight status using the Expedia App.
What is the best time to fly from O'Hare Intl. Airport (ORD) to Sioux Gateway Airport (SUX)?
To avoid possible delays on the O’Hare Intl. Airport (ORD) to Sioux Gateway Airport (SUX) route, aim to fly before 3 PM. Later flights have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Sioux City from O'Hare Intl. Airport (ORD)?
If you’re flying on a direct flight from O’Hare Intl. Airport (ORD) to Sioux City, Sioux Gateway Airport (SUX) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from O'Hare Intl. Airport (ORD) to Sioux Gateway Airport (SUX) last-minute?
Holding off until just before your trip to book a flight from ORD to SUX often results in higher prices. While you may find some last-minute discounts, there’s no guarantee. Keep your travel plans flexible to boost your chances of landing a bargain.
Is it cheaper to book an ORD to SUX flight and hotel package?
Compared with arranging hotels and flights separately, booking an ORD to SUX flight and hotel package with Expedia could result in significant savings. Better still, having everything in one place will take the stress out of planning your trip. Just secure your flights and select from our wide range of stays, then tailor your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Sioux Gateway Airport (SUX)?
Generally, it’s possible to reschedule or cancel your ORD to SUX flight. However, if it’s been more than 24 hours since booking, additional charges may apply. Check your airline’s policies in your itinerary to see what changes are allowed and whether any costs are involved. You’ll also find more details on our Customer Service portal.
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