$456 Cheap Flights from Houston (IAH) to Gustavia (SBH)

View $456 flight on Tue, Feb 24, 2026Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Gustavia (SBH-Gustaf III)

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Cheap Flights from Houston to Gustavia (IAH-SBH)

Prices were available within the past 7 days and start at $456 for one-way flights and $875 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Aug 9 - Tue, Aug 12
IAH
Houston
SBH
Gustavia
$875 Roundtrip, found 3 days ago
$875
Roundtrip
found 3 days ago
Select United flight, departing Sat, Aug 9 from Houston to Gustavia, returning Tue, Aug 12, priced at $875 found 3 days ago
United
Tue, Jan 6 - Tue, Jan 13
IAH
Houston
SBH
Gustavia
$892 Roundtrip, found 2 days ago
$892
Roundtrip
found 2 days ago
Select United flight, departing Tue, Jan 6 from Houston to Gustavia, returning Tue, Jan 13, priced at $892 found 2 days ago
United
Fri, Sep 5 - Sat, Sep 13
IAH
Houston
SBH
Gustavia
$900 Roundtrip, found 6 days ago
$900
Roundtrip
found 6 days ago
Select United flight, departing Fri, Sep 5 from Houston to Gustavia, returning Sat, Sep 13, priced at $900 found 6 days ago
United
Fri, Sep 5 - Sat, Sep 13
IAH
Houston
SBH
Gustavia
$918 Roundtrip, found 6 days ago
$918
Roundtrip
found 6 days ago
Select United flight, departing Fri, Sep 5 from Houston to Gustavia, returning Sat, Sep 13, priced at $918 found 6 days ago
United
Sat, Dec 13 - Sun, Dec 21
IAH
Houston
SBH
Gustavia
$920 Roundtrip, found 2 days ago
$920
Roundtrip
found 2 days ago
Select United flight, departing Sat, Dec 13 from Houston to Gustavia, returning Sun, Dec 21, priced at $920 found 2 days ago
United
Sun, Aug 10 - Wed, Aug 13
IAH
Houston
SBH
Gustavia
$925 Roundtrip, found 6 days ago
$925
Roundtrip
found 6 days ago
Select United flight, departing Sun, Aug 10 from Houston to Gustavia, returning Wed, Aug 13, priced at $925 found 6 days ago
American Airlines
Tue, Oct 7 - Wed, Oct 15
IAH
Houston
SBH
Gustavia
$935 Roundtrip, found 1 day ago
$935
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Oct 7 from Houston to Gustavia, returning Wed, Oct 15, priced at $935 found 1 day ago
United
Fri, Sep 5 - Sat, Sep 13
IAH
Houston
SBH
Gustavia
$936 Roundtrip, found 6 days ago
$936
Roundtrip
found 6 days ago
Select United flight, departing Fri, Sep 5 from Houston to Gustavia, returning Sat, Sep 13, priced at $936 found 6 days ago
United
Fri, Aug 22 - Sat, Aug 30
IAH
Houston
SBH
Gustavia
$942 Roundtrip, found 1 day ago
$942
Roundtrip
found 1 day ago
Select United flight, departing Fri, Aug 22 from Houston to Gustavia, returning Sat, Aug 30, priced at $942 found 1 day ago
United
Sun, Aug 10 - Wed, Aug 13
IAH
Houston
SBH
Gustavia
$944 Roundtrip, found 6 days ago
$944
Roundtrip
found 6 days ago
Select United flight, departing Sun, Aug 10 from Houston to Gustavia, returning Wed, Aug 13, priced at $944 found 6 days ago
Flights from Houston (IAH) to Gustavia (SBH)
Origin airport
George Bush Intercontinental
Destination airport
Gustaf III
Roundtrip price
$875
Distance
2205 mi

Houston to Gustavia Flights

The cheapest times to fly from Houston to Gustavia

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 Houston to Gustavia are during the month of August. You can find some of the cheapest flights from Houston to Gustavia with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Houston to Gustavia

Sunday is one of the best days to book for cheap flights from Houston to Gustavia: 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 Houston to Gustavia

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 Houston to Gustavia in 2025. You can also book with separate airlines for your outbound and return journeys, from $456 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 Houston to Gustavia 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 Houston to Gustavia 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 George Bush Intercontinental Airport (IAH) to Gustaf III Airport (SBH) cost?
Discover the latest flight deals from IAH to SBH by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from IAH to SBH?
The cheapest flights from IAH to SBH are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from IAH to SBH?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from IAH to SBH. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from George Bush Intercontinental Airport (IAH) to Gustaf III Airport (SBH)?
Nonstop flights from George Bush Intercontinental Airport (IAH) to Gustaf III Airport (SBH) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from IAH to SBH?
Typically you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* But this can vary depending on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from George Bush Intercontinental Airport (IAH) to Gustaf III Airport (SBH)?
To touch down at Gustaf III Airport (SBH) on time, opt for a flight that takes off from George Bush Intercontinental Airport (IAH) before 3 PM. The chance 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 George Bush Intercontinental Airport (IAH) to Gustaf III Airport (SBH) last-minute?
Last-minute fares from IAH to SBH are generally more expensive. To secure the best prices, start looking for flights ahead of time. That being said, if you're flexible with your travel plans, it's possible to land a cheap ticket right before you leave.
Is it cheaper to book an IAH to SBH flight and hotel package?
Compared with arranging hotels and flights separately, booking an IAH to SBH flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one place will take the hassle out of planning your trip. Simply secure your flights and choose from our extensive range of hotels, then tailor your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from George Bush Intercontinental Airport (IAH) to Gustaf III Airport (SBH)?
In most cases, you can modify or cancel your IAH to SBH flight. However, additional fees may apply, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you need further details, go to our Customer Service portal.

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*Available to One Key members.