Popular airlines from Sioux City, IA (SUX-Sioux Gateway) to George Bush Intercontinental Airport (IAH)

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Cheap Flights from Sioux City to Houston (SUX-IAH)

Prices were available within the past 7 days and start at $316 for one-way flights and $228 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, Feb 1 - Wed, Feb 4
SUX
Sioux City
IAH
Houston
$228 Roundtrip, found 5 days ago
$228
Roundtrip
found 5 days ago
Select United flight, departing Sun, Feb 1 from Sioux City to Houston, returning Wed, Feb 4, priced at $228 found 5 days ago
United
Wed, Nov 19 - Sun, Nov 23
SUX
Sioux City
IAH
Houston
$234 Roundtrip, found 7 hours ago
$234
Roundtrip
found 7 hours ago
Select United flight, departing Wed, Nov 19 from Sioux City to Houston, returning Sun, Nov 23, priced at $234 found 7 hours ago
United
Sun, Feb 1 - Wed, Feb 4
SUX
Sioux City
IAH
Houston
$237 Roundtrip, found 5 days ago
$237
Roundtrip
found 5 days ago
Select United flight, departing Sun, Feb 1 from Sioux City to Houston, returning Wed, Feb 4, priced at $237 found 5 days ago
United
Sat, Nov 15 - Wed, Nov 19
SUX
Sioux City
IAH
Houston
$239 Roundtrip, found 15 hours ago
$239
Roundtrip
found 15 hours ago
Select United flight, departing Sat, Nov 15 from Sioux City to Houston, returning Wed, Nov 19, priced at $239 found 15 hours ago
United
Thu, Dec 11 - Tue, Dec 16
SUX
Sioux City
IAH
Houston
$243 Roundtrip, found 4 days ago
$243
Roundtrip
found 4 days ago
Select United flight, departing Thu, Dec 11 from Sioux City to Houston, returning Tue, Dec 16, priced at $243 found 4 days ago
United
Sun, Nov 16 - Sat, Nov 22
SUX
Sioux City
IAH
Houston
$248 Roundtrip, found 2 hours ago
$248
Roundtrip
found 2 hours ago
Select United flight, departing Sun, Nov 16 from Sioux City to Houston, returning Sat, Nov 22, priced at $248 found 2 hours ago
United
Thu, Dec 11 - Tue, Dec 16
SUX
Sioux City
IAH
Houston
$260 Roundtrip, found 4 days ago
$260
Roundtrip
found 4 days ago
Select United flight, departing Thu, Dec 11 from Sioux City to Houston, returning Tue, Dec 16, priced at $260 found 4 days ago
United
Tue, Dec 9 - Wed, Dec 17
SUX
Sioux City
IAH
Houston
$280 Roundtrip, found 4 days ago
$280
Roundtrip
found 4 days ago
Select United flight, departing Tue, Dec 9 from Sioux City to Houston, returning Wed, Dec 17, priced at $280 found 4 days ago
United
Fri, Jan 16 - Mon, Jan 19
SUX
Sioux City
IAH
Houston
$294 Roundtrip, found 1 day ago
$294
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jan 16 from Sioux City to Houston, returning Mon, Jan 19, priced at $294 found 1 day ago
United
Sun, Feb 1 - Tue, Feb 3
SUX
Sioux City
IAH
Houston
$298 Roundtrip, found 5 days ago
$298
Roundtrip
found 5 days ago
Select United flight, departing Sun, Feb 1 from Sioux City to Houston, returning Tue, Feb 3, priced at $298 found 5 days ago

Find the cheapest month to fly from Sioux City (SUX) to Houston (IAH)

August is typically the cheapest month to fly

From $227 - $808 per traveler.

Alternative airports near Houston

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to George Bush Intercontinental IAH. Cheapest option available. Average driving time to city center is 24 minutes. Flights from $309
IAH
George Bush Intercontinental
Cheapest
Average driving time to city center24 min
Flights from $309

Frequently asked questions

How much does a flight from Sioux Gateway Airport (SUX) to George Bush Intercontinental Airport (IAH) cost?
Snag a cheap one-way flight from $316 or cheap return flight from $228 from Sioux Gateway Airport (SUX) to George Bush Intercontinental Airport (IAH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Sioux Gateway Airport (SUX) to George Bush Intercontinental Airport (IAH)?
The cheapest month to fly from SUX to IAH is February, when there's less demand. Off-peak months are often when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Sioux Gateway Airport (SUX) to George Bush Intercontinental Airport (IAH)?
To find the cheapest airline that'll fly you from SUX to IAH, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Sioux Gateway Airport (SUX) to George Bush Intercontinental Airport (IAH)?
You'll need to catch a flight with a layover when traveling from Sioux Gateway Airport (SUX) to George Bush Intercontinental Airport (IAH). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from SUX to IAH?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sioux Gateway Airport (SUX) to George Bush Intercontinental Airport (IAH)?
Choose a flight from Sioux Gateway Airport (SUX) to George Bush Intercontinental Airport (IAH) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures later than this are on average 22% more likely to be 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.
Is it cheaper to buy a plane ticket from Sioux Gateway Airport (SUX) to George Bush Intercontinental Airport (IAH) last-minute?
Last-minute bookings from SUX to IAH are generally more expensive. For the lowest rates, start looking for flights ahead of time. That said, if you can play around with your travel dates, it's possible to land a cheap fare right before your trip.
Is it cheaper to book a SUX to IAH flight and hotel package?
Securing a SUX to IAH flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Choose from our wide range of hotels and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Sioux Gateway Airport (SUX) to George Bush Intercontinental Airport (IAH)?
Typically, you're able to reschedule or cancel your SUX to IAH flight. However, additional fees may apply, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like more details, head to our Customer Service portal.

Book with confidence

Sioux City to Houston Flights

The cheapest times to fly from Sioux City to Houston

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Sioux City to Houston are during the month of February. You can find some of the cheapest flights from Sioux City to Houston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sioux City to Houston

Sunday is one of the best days to book for cheap flights from Sioux City to Houston: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Sioux City to Houston

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Sioux City to Houston in 2025. You can also book with separate airlines for your outbound and return journeys, from $316 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Sioux City to Houston flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Sioux City to Houston airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Sioux City to Houston Flights

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*Available to One Key members.