$359+ Cheap flights from Houston to Sioux City (SUX)
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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SUX
Feb 15 — Feb 221
1 adult, Economy
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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 Houston to Sioux City
Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to Sioux City (SUX). 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 January 16, 2026.
Round-trip from | $359 (United Airlines) |
|---|
Find flight deals from Houston to Sioux City
Cheapest flights from Houston to Sioux CityExplore the most affordable flight options available from Houston to Sioux City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2026.
Explore the most affordable flight options available from Houston to Sioux City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2026.
This United Airlines deal was found by Cheapflights users on 1/13. 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 4/16:20 pm
IAH
- SUX
1 stop5h 24m
United Airlines
Sun 4/56:00 am
SUX
- IAH
1 stop5h 13m
United Airlines
Deal found 1/13![United Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 1/15. 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 1/306:11 pm
IAH
- SUX
1 stop5h 36m
United Airlines
Tue 2/312:45 pm
SUX
- IAH
1 stop8h 43m
United Airlines
Deal found 1/15![United Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 1/14. 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 4/298:26 pm
IAH
- SUX
1 stop21h 06m
United Airlines
Sat 5/212:45 pm
SUX
- IAH
1 stop6h 24m
United Airlines
Deal found 1/14![United Airlines logo]()
$450
Cheapflights Fare Finder
Customize your flight search to find flights from Houston to Sioux City 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 January 16, 2026.
Use the filters below to find and compare flights from Houston to Sioux City that are best for you.
Fly from
Houston
Fly to
Sioux City
Route
Depart
Return
Price
HoustonSioux City
IAH - SUX
IAHSUX
Houston George Bush Intcntl
Wed 4/1
6:20 pm-11:44 pm
1 stop5h 24m
Sioux City Sioux Gateway
Sun 4/5
6:00 am-11:13 am
1 stop5h 13m
$359
HoustonSioux City
IAH - SUX
IAHSUX
Houston George Bush Intcntl
Fri 1/30
6:11 pm-11:47 pm
1 stop5h 36m
Sioux City Sioux Gateway
Tue 2/3
12:45 pm-9:28 pm
1 stop8h 43m
$419
HoustonSioux City
IAH - SUX
IAHSUX
Houston George Bush Intcntl
Wed 4/29
10:05 pm-5:32 pm
1 stop19h 27m
Sioux City Sioux Gateway
Sat 5/2
12:45 pm-7:09 pm
1 stop6h 24m
$450
Best time to book a flight from Houston to Sioux City
Have a flexible travel schedule? Discover the best time to fly to Sioux City from Houston 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 Houston to Sioux City
What is the cheapest month to book a flight from Houston to Sioux City?
Currently, December is the cheapest month in which you can book a flight from Houston to Sioux City (average of $110). Flying from Houston to Sioux City in July is currently the most expensive (average of $249). 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.