$210 Cheap Flights from St. George (SGU) to Houston (IAH)

View $210 flight on Tue, Jan 6, 2026Opens in a new window

Popular airlines from St. George Regional Airport (SGU) to George Bush Intercontinental Airport (IAH)

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Cheap Flights from St. George to Houston (SGU-IAH)

Prices were available within the past 7 days and start at $210 for one-way flights and $268 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sun, Mar 8 - Sat, Mar 14
SGU
St. George
IAH
Houston
$268 Roundtrip, found 2 hours ago
$268
Roundtrip
found 2 hours ago
Select Delta flight, departing Sun, Mar 8 from St. George to Houston, returning Sat, Mar 14, priced at $268 found 2 hours ago
Delta
Thu, Mar 5 - Mon, Mar 9
SGU
St. George
IAH
Houston
$274 Roundtrip, found 5 hours ago
$274
Roundtrip
found 5 hours ago
Select Delta flight, departing Thu, Mar 5 from St. George to Houston, returning Mon, Mar 9, priced at $274 found 5 hours ago
Delta
Mon, Feb 9 - Wed, Feb 25
SGU
St. George
IAH
Houston
$279 Roundtrip, found 1 day ago
$279
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Feb 9 from St. George to Houston, returning Wed, Feb 25, priced at $279 found 1 day ago
United
Mon, Feb 23 - Tue, Mar 3
SGU
St. George
IAH
Houston
$295 Roundtrip, found 2 days ago
$295
Roundtrip
found 2 days ago
Select United flight, departing Mon, Feb 23 from St. George to Houston, returning Tue, Mar 3, priced at $295 found 2 days ago
United
Fri, Feb 27 - Mon, Mar 2
SGU
St. George
IAH
Houston
$297 Roundtrip, found 10 hours ago
$297
Roundtrip
found 10 hours ago
Select United flight, departing Fri, Feb 27 from St. George to Houston, returning Mon, Mar 2, priced at $297 found 10 hours ago
United
Sat, Feb 14 - Wed, Feb 25
SGU
St. George
IAH
Houston
$299 Roundtrip, found 18 hours ago
$299
Roundtrip
found 18 hours ago
Select United flight, departing Sat, Feb 14 from St. George to Houston, returning Wed, Feb 25, priced at $299 found 18 hours ago
United
Mon, Feb 23 - Tue, Mar 3
SGU
St. George
IAH
Houston
$308 Roundtrip, found 2 days ago
$308
Roundtrip
found 2 days ago
Select United flight, departing Mon, Feb 23 from St. George to Houston, returning Tue, Mar 3, priced at $308 found 2 days ago
United
Mon, Dec 29 - Fri, Jan 9
SGU
St. George
IAH
Houston
$310 Roundtrip, found 3 days ago
$310
Roundtrip
found 3 days ago
Select United flight, departing Mon, Dec 29 from St. George to Houston, returning Fri, Jan 9, priced at $310 found 3 days ago
American Airlines
Thu, Dec 25 - Sun, Jan 4
SGU
St. George
IAH
Houston
$313 Roundtrip, found 5 days ago
$313
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Dec 25 from St. George to Houston, returning Sun, Jan 4, priced at $313 found 5 days ago
Delta
Mon, Mar 9 - Sun, Mar 22
SGU
St. George
IAH
Houston
$314 Roundtrip, found 5 hours ago
$314
Roundtrip
found 5 hours ago
Select Delta flight, departing Mon, Mar 9 from St. George to Houston, returning Sun, Mar 22, priced at $314 found 5 hours ago

Find the cheapest month to fly from St. George (SGU) to Houston (IAH)

January is typically the cheapest month to fly

From $248 - $529 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 $423
IAH
George Bush Intercontinental
Cheapest
Average driving time to city center24 min
Flights from $423
Flights from St. George (SGU) to Houston (IAH)
Origin airport
St. George
Destination airport
George Bush Intercontinental
Airlines serving
American Airlines, Delta, United
Roundtrip price
$268
Distance
1151 mi

St. George to Houston Flights

The cheapest times to fly from St. George 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 St. George to Houston are during the month of March. You can find some of the cheapest flights from St. George to Houston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. George to Houston

Sunday is one of the best days to book for cheap flights from St. George 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 St. George 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 St. George to Houston in 2026. You can also book with separate airlines for your outbound and return journeys, from $210 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 St. George 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 St. George 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.

 

Frequently asked questions

How much does a flight from St. George Airport (SGU) to George Bush Intercontinental Airport (IAH) cost?
Secure a cheap one-way flight from $210 or cheap return flight from $268 from St. George Airport (SGU) to George Bush Intercontinental Airport (IAH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from St. George Airport (SGU) to George Bush Intercontinental Airport (IAH)?
Planning your trip for March is a good way to save, as it's the cheapest month for flights between SGU and IAH. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from St. George Airport (SGU) to George Bush Intercontinental Airport (IAH)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll take you from SGU to IAH. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from St. George Airport (SGU) to George Bush Intercontinental Airport (IAH)?
Direct flights from St. George Airport (SGU) to George Bush Intercontinental Airport (IAH) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SGU to IAH?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary depending on a range of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from St. George Airport (SGU) to George Bush Intercontinental Airport (IAH)?
To land at George Bush Intercontinental Airport (IAH) without delays, book a flight that leaves St. George Airport (SGU) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 St. George Airport (SGU) to George Bush Intercontinental Airport (IAH) last-minute?
Booking your plane ticket from SGU to IAH just before your trip is usually more expensive. But if you're flexible with your departure dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a SGU to IAH flight and hotel package?
Compared with arranging hotels and flights separately, booking a SGU to IAH flight and hotel package with Expedia could result in significant savings. Better yet, managing everything in one place takes the hassle out of planning your trip. Simply pick your flights and select from our extensive range of stays, then personalize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from St. George Airport (SGU) to George Bush Intercontinental Airport (IAH)?
In most cases, you can reschedule or cancel your SGU to IAH flight. However, there may be additional charges, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you'd like more details, head to our Customer Service portal.

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*Available to One Key members.