$568 Cheap Flights from St. Louis (STL) to Gustavia (SBH)

View $568 flight on Fri, Oct 31, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Gustavia (SBH-Gustaf III)

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Cheap Flights from St. Louis to Gustavia (STL-SBH)

Prices were available within the past 7 days and start at $568 for one-way flights and $812 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Oct 28 - Tue, Nov 4
STL
St. Louis
SBH
Gustavia
$812 Roundtrip, found 5 days ago
$812
Roundtrip
found 5 days ago
Select United flight, departing Tue, Oct 28 from St. Louis to Gustavia, returning Tue, Nov 4, priced at $812 found 5 days ago
United
Tue, Oct 28 - Fri, Nov 7
STL
St. Louis
SBH
Gustavia
$827 Roundtrip, found 5 days ago
$827
Roundtrip
found 5 days ago
Select United flight, departing Tue, Oct 28 from St. Louis to Gustavia, returning Fri, Nov 7, priced at $827 found 5 days ago
United
Tue, Oct 28 - Sat, Nov 8
STL
St. Louis
SBH
Gustavia
$900 Roundtrip, found 5 days ago
$900
Roundtrip
found 5 days ago
Select United flight, departing Tue, Oct 28 from St. Louis to Gustavia, returning Sat, Nov 8, priced at $900 found 5 days ago
United
Wed, Oct 29 - Tue, Nov 4
STL
St. Louis
SBH
Gustavia
$903 Roundtrip, found 5 days ago
$903
Roundtrip
found 5 days ago
Select United flight, departing Wed, Oct 29 from St. Louis to Gustavia, returning Tue, Nov 4, priced at $903 found 5 days ago
United
Wed, Oct 29 - Fri, Nov 7
STL
St. Louis
SBH
Gustavia
$918 Roundtrip, found 5 days ago
$918
Roundtrip
found 5 days ago
Select United flight, departing Wed, Oct 29 from St. Louis to Gustavia, returning Fri, Nov 7, priced at $918 found 5 days ago
United
Mon, Nov 3 - Fri, Nov 7
STL
St. Louis
SBH
Gustavia
$962 Roundtrip, found 5 days ago
$962
Roundtrip
found 5 days ago
Select United flight, departing Mon, Nov 3 from St. Louis to Gustavia, returning Fri, Nov 7, priced at $962 found 5 days ago
United
Fri, Oct 31 - Fri, Nov 7
STL
St. Louis
SBH
Gustavia
$966 Roundtrip, found 17 hours ago
$966
Roundtrip
found 17 hours ago
Select United flight, departing Fri, Oct 31 from St. Louis to Gustavia, returning Fri, Nov 7, priced at $966 found 17 hours ago
United
Wed, Oct 29 - Sat, Nov 8
STL
St. Louis
SBH
Gustavia
$991 Roundtrip, found 5 days ago
$991
Roundtrip
found 5 days ago
Select United flight, departing Wed, Oct 29 from St. Louis to Gustavia, returning Sat, Nov 8, priced at $991 found 5 days ago
United
Mon, Nov 3 - Sat, Nov 8
STL
St. Louis
SBH
Gustavia
$1,035 Roundtrip, found 5 days ago
$1,035
Roundtrip
found 5 days ago
Select United flight, departing Mon, Nov 3 from St. Louis to Gustavia, returning Sat, Nov 8, priced at $1,035 found 5 days ago
American Airlines
Fri, Oct 31 - Fri, Nov 7
STL
St. Louis
SBH
Gustavia
$1,174 Roundtrip, found 3 days ago
$1,174
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Oct 31 from St. Louis to Gustavia, returning Fri, Nov 7, priced at $1,174 found 3 days ago
Flights from St. Louis (STL) to Gustavia (SBH)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Gustaf III
Roundtrip price
$812
Distance
2191 mi

St. Louis to Gustavia Flights

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

 

The best time to book a flight from St. Louis to Gustavia

Sunday is one of the best days to book for cheap flights from St. Louis 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 St. Louis 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 St. Louis to Gustavia in 2025. You can also book with separate airlines for your outbound and return journeys, from $568 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. Louis 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 St. Louis 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 Lambert-St. Louis Intl. Airport (STL) to Gustaf III Airport (SBH) cost?
Discover the latest flight deals from STL 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 STL to SBH?
The cheapest flights from STL 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 STL to SBH?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from STL to SBH. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Gustaf III Airport (SBH)?
You'll have to book a flight with a layover when traveling from Lambert-St. Louis Intl. Airport (STL) to Gustaf III Airport (SBH). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from STL to SBH?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary depending on various factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Gustaf III Airport (SBH)?
Select a flight from Lambert-St. Louis Intl. Airport (STL) to Gustaf III Airport (SBH) that leaves before 3 PM to reduce the risk of cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**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 Lambert-St. Louis Intl. Airport (STL) to Gustaf III Airport (SBH) last-minute?
Last-minute bookings from STL to SBH are typically more expensive. For the lowest prices, start searching for flights early. That being said, if you're flexible with your travel plans, it's possible to find a cheap ticket just before your departure.
Is it cheaper to book a STL to SBH flight and hotel package?
Securing a STL to SBH flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our wide range of stays and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Gustaf III Airport (SBH)?
Typically, it's possible to cancel or reschedule your STL to SBH flight. However, if it's been more than 24 hours since booking, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.