$176+ 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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
SUX — ORD
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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Find cheap flights from Sioux City to O'Hare Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Sioux City to O'Hare Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from Sioux City to O'Hare IntlExplore 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 September 7, 2026.
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 September 7, 2026.
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Mon 10/128:35 am -
Nonstop1h 54m
Wed 10/144:00 pm -
Nonstop1h 53m
Deal found 9/3![United Airlines logo]()
$346
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Sat 9/129:05 am -
Nonstop1h 54m
Mon 9/144:00 pm -
Nonstop1h 53m
Deal found 9/6![United Airlines logo]()
$374
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Sat 9/196:30 pm -
2 stops18h 45m
Sun 9/204:00 pm -
Nonstop1h 53m
Deal found 9/3![United Airlines logo]()
$384
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Sat 10/38:35 am -
Nonstop1h 54m
Mon 10/54:00 pm -
Nonstop1h 53m
Deal found 9/6![United Airlines logo]()
$395
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Mon 9/78:10 am -
Nonstop1h 54m
Fri 9/184:00 pm -
Nonstop1h 53m
Deal found 9/4![United Airlines logo]()
$417
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Sat 9/129:05 am -
Nonstop1h 54m
Sun 9/134:00 pm -
Nonstop1h 53m
Deal found 9/4![United Airlines logo]()
$421
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/168:35 am -
Nonstop1h 54m
Sun 10/184:00 pm -
Nonstop1h 53m
Deal found 9/6![United Airlines logo]()
$434
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Thu 10/18:35 am -
Nonstop1h 54m
Fri 10/24:00 pm -
Nonstop1h 53m
Deal found 9/3![United Airlines logo]()
$436
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Wed 10/286:00 am -
Nonstop1h 59m
Sun 11/14:20 pm -
Nonstop1h 50m
Deal found 9/4![United Airlines logo]()
$446
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Thu 9/178:05 am -
Nonstop1h 54m
Sun 9/204:00 pm -
Nonstop1h 53m
Deal found 9/5![United Airlines logo]()
$450
Best flights from Sioux City to O'Hare IntlDiscover carefully curated flight deals from Sioux City to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
Discover carefully curated flight deals from Sioux City to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Sat 1/309:03 am -
Nonstop1h 52m
Wed 2/34:00 pm -
Nonstop1h 54m
Deal found 9/6![United Airlines logo]()
$264
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Mon 10/128:35 am -
Nonstop1h 54m
Wed 10/144:00 pm -
Nonstop1h 53m
Deal found 9/3![United Airlines logo]()
$346
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Tue 9/228:06 am -
Nonstop1h 54m
Fri 9/254:00 pm -
Nonstop1h 53m
Deal found 9/6![United Airlines logo]()
$403
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/168:35 am -
Nonstop1h 54m
Sun 10/184:00 pm -
Nonstop1h 53m
Deal found 9/6![United Airlines logo]()
$434
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Wed 10/286:00 am -
Nonstop1h 59m
Sun 11/14:20 pm -
Nonstop1h 50m
Deal found 9/4![United Airlines logo]()
$446
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Thu 9/178:05 am -
Nonstop1h 54m
Sun 9/204:00 pm -
Nonstop1h 53m
Deal found 9/5![United Airlines logo]()
$450
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Sat 10/36:58 pm -
1 stop14h 45m
Mon 10/54:00 pm -
Nonstop1h 53m
Deal found 9/4![United Airlines logo]()
$451
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Sun 9/208:05 am -
Nonstop1h 54m
Thu 9/244:00 pm -
Nonstop1h 53m
Deal found 9/5![United Airlines logo]()
$478
Last-minute flights from Sioux City to O'Hare IntlDiscover last-minute flight deals from Sioux City to O'Hare Intl. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Sioux City to O'Hare Intl. Data last updated September 7, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Mon 9/78:10 am -
Nonstop1h 54m
Fri 9/184:00 pm -
Nonstop1h 53m
Deal found 9/4![United Airlines logo]()
$417
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Sat 9/129:05 am -
Nonstop1h 54m
Mon 9/144:00 pm -
Nonstop1h 53m
Deal found 9/6![United Airlines logo]()
$374
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Sat 9/129:05 am -
Nonstop1h 54m
Sun 9/134:00 pm -
Nonstop1h 53m
Deal found 9/4![United Airlines logo]()
$421
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Thu 9/178:05 am -
Nonstop1h 54m
Sun 9/204:00 pm -
Nonstop1h 53m
Deal found 9/5![United Airlines logo]()
$450
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Sat 9/196:30 pm -
2 stops18h 45m
Sun 9/204:00 pm -
Nonstop1h 53m
Deal found 9/3![United Airlines logo]()
$384
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Thu 10/18:35 am -
Nonstop1h 54m
Fri 10/24:00 pm -
Nonstop1h 53m
Deal found 9/3![United Airlines logo]()
$436
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Sat 10/38:35 am -
Nonstop1h 54m
Mon 10/54:00 pm -
Nonstop1h 53m
Deal found 9/6![United Airlines logo]()
$395
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Mon 10/128:35 am -
Nonstop1h 54m
Wed 10/144:00 pm -
Nonstop1h 53m
Deal found 9/3![United Airlines logo]()
$346
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/168:35 am -
Nonstop1h 54m
Sun 10/184:00 pm -
Nonstop1h 53m
Deal found 9/6![United Airlines logo]()
$434
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Wed 10/286:00 am -
Nonstop1h 59m
Sun 11/14:20 pm -
Nonstop1h 50m
Deal found 9/4![United Airlines logo]()
$446
One-way flights from Sioux City to O'Hare IntlSearch for one-way flight options from Sioux City to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
Search for one-way flight options from Sioux City to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Sun 9/208:05 am -
Nonstop1h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![United Airlines logo]()
$176
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Mon 9/288:35 am -
Nonstop1h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![United Airlines logo]()
$185
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Sat 9/129:05 am -
Nonstop1h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![United Airlines logo]()
$266
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Sun 10/48:35 am -
Nonstop1h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![United Airlines logo]()
$308
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Mon 10/196:58 pm -
2 stops20h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![United Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Sat 10/106:58 pm -
1 stop14h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![United Airlines logo]()
$327
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Sun 10/116:58 pm -
2 stops16h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![United Airlines logo]()
$352
This United Airlines deal was found by Cheapflights users on 9/2. 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 1/86:46 pm -
2 stops14h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![United Airlines logo]()
$376
Find 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 September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $224 (United Airlines) |
One-way from | $176 (United Airlines) |
Good round-trip deal | $469 or less |
Good one-way deal | $307 or less |
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 7,457,451 searches. Data last updated September 7, 2026.
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
Cheapest round-trip
Sioux CityChicago
SUX Sioux City Sioux Gateway - ORD Chicago O'Hare Intl
SUXORD
Sioux City Sioux Gateway
Thu 11/5
6:00 am-7:59 am
Nonstop1h 59m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$176
Quickest round-trip
Sioux CityChicago
SUX Sioux City Sioux Gateway - ORD Chicago O'Hare Intl
SUXORD
Sioux City Sioux Gateway
Fri 1/8
9:03 am-10:55 am
Nonstop1h 52m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$176
Sioux CityChicago
SUX Sioux City Sioux Gateway - ORD Chicago O'Hare Intl
SUXORD
Sioux City Sioux Gateway
Sun 9/20
8:05 am-9:59 am
Nonstop1h 54m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$176
Sioux CityChicago
SUX Sioux City Sioux Gateway - ORD Chicago O'Hare Intl
SUXORD
Sioux City Sioux Gateway
Mon 9/28
8:35 am-10:29 am
Nonstop1h 54m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$185
Sioux CityChicago
SUX Sioux City Sioux Gateway - ORD Chicago O'Hare Intl
SUXORD
Sioux City Sioux Gateway
Sat 1/30
9:03 am-10:55 am
Nonstop1h 52m
Chicago O'Hare Intl
Wed 2/3
4:00 pm-5:54 pm
Nonstop1h 54m
$264
Sioux CityChicago
SUX Sioux City Sioux Gateway - ORD Chicago O'Hare Intl
SUXORD
Sioux City Sioux Gateway
Sat 9/12
9:05 am-10:59 am
Nonstop1h 54m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$266
Sioux CityChicago
SUX Sioux City Sioux Gateway - ORD Chicago O'Hare Intl
SUXORD
Sioux City Sioux Gateway
Sat 10/10
8:35 am-10:29 am
Nonstop1h 54m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$266
Sioux CityChicago
SUX Sioux City Sioux Gateway - ORD Chicago O'Hare Intl
SUXORD
Sioux City Sioux Gateway
Mon 10/12
8:35 am-10:29 am
Nonstop1h 54m
Chicago O'Hare Intl
Wed 10/14
4:00 pm-5:53 pm
Nonstop1h 53m
$346
Sioux CityChicago
SUX Sioux City Sioux Gateway - ORD Chicago O'Hare Intl
SUXORD
Sioux City Sioux Gateway
Tue 9/22
8:06 am-10:00 am
Nonstop1h 54m
Chicago O'Hare Intl
Fri 9/25
4:00 pm-5:53 pm
Nonstop1h 53m
$403
Sioux CityChicago
SUX Sioux City Sioux Gateway - ORD Chicago O'Hare Intl
SUXORD
Sioux City Sioux Gateway
Fri 10/16
8:35 am-10:29 am
Nonstop1h 54m
Chicago O'Hare Intl
Sun 10/18
4:00 pm-5:53 pm
Nonstop1h 53m
$434
Showing 1-10 of 14 resultsSorted by cheapest first
Compare providers for flights from Sioux City to O'Hare Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sioux City to O'Hare Intl in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Sioux City-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sioux City-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sioux City-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Sioux City-Chicago O'Hare Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sioux City-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
SUX-ORD
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
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 September 7, 2026.
Peruse reviews from past customers who have flown with United Airlines from Sioux City to Chicago O'Hare Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
6.6
Overall
7.4
Entertainment
7.1
Crew
8.1
Comfort
7.3
Boarding
7.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Food
6.6
Overall
7.4
Entertainment
7.1
Crew
8.1
Comfort
7.3
Boarding
7.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
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.
Traveling to a place near Chicago O'Hare Intl Airport?
Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locationsBenton Harbor
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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 7,457,451 searches. Data last updated September 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$224 | Average$397 | FlexibilityNo cancel fee | On-time69% |