$346 Cheap Flights from Phoenix (PHX) to Gustavia (SBH)

View $346 flight on Mon, Dec 15, 2025Opens in a new window

Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to Gustavia (SBH-Gustaf III)

Cheap Flights from Phoenix to Gustavia (PHX-SBH)

Prices were available within the past 7 days and start at $346 for one-way flights and $846 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Aug 12 - Fri, Aug 15
PHX
Phoenix
SBH
Gustavia
$846 Roundtrip, found 4 days ago
$846
Roundtrip
found 4 days ago
Select United flight, departing Tue, Aug 12 from Phoenix to Gustavia, returning Fri, Aug 15, priced at $846 found 4 days ago
United
Tue, Aug 12 - Fri, Aug 15
PHX
Phoenix
SBH
Gustavia
$863 Roundtrip, found 4 days ago
$863
Roundtrip
found 4 days ago
Select United flight, departing Tue, Aug 12 from Phoenix to Gustavia, returning Fri, Aug 15, priced at $863 found 4 days ago
United
Tue, Aug 12 - Fri, Aug 15
PHX
Phoenix
SBH
Gustavia
$863 Roundtrip, found 4 days ago
$863
Roundtrip
found 4 days ago
Select United flight, departing Tue, Aug 12 from Phoenix to Gustavia, returning Fri, Aug 15, priced at $863 found 4 days ago
United
Tue, Aug 12 - Fri, Aug 15
PHX
Phoenix
SBH
Gustavia
$869 Roundtrip, found 4 days ago
$869
Roundtrip
found 4 days ago
Select United flight, departing Tue, Aug 12 from Phoenix to Gustavia, returning Fri, Aug 15, priced at $869 found 4 days ago
United
Tue, Aug 12 - Fri, Aug 15
PHX
Phoenix
SBH
Gustavia
$885 Roundtrip, found 4 days ago
$885
Roundtrip
found 4 days ago
Select United flight, departing Tue, Aug 12 from Phoenix to Gustavia, returning Fri, Aug 15, priced at $885 found 4 days ago
United
Tue, Aug 12 - Fri, Aug 15
PHX
Phoenix
SBH
Gustavia
$906 Roundtrip, found 4 days ago
$906
Roundtrip
found 4 days ago
Select United flight, departing Tue, Aug 12 from Phoenix to Gustavia, returning Fri, Aug 15, priced at $906 found 4 days ago
United
Tue, Aug 12 - Fri, Aug 15
PHX
Phoenix
SBH
Gustavia
$923 Roundtrip, found 4 days ago
$923
Roundtrip
found 4 days ago
Select United flight, departing Tue, Aug 12 from Phoenix to Gustavia, returning Fri, Aug 15, priced at $923 found 4 days ago
United
Tue, Aug 12 - Fri, Aug 15
PHX
Phoenix
SBH
Gustavia
$923 Roundtrip, found 4 days ago
$923
Roundtrip
found 4 days ago
Select United flight, departing Tue, Aug 12 from Phoenix to Gustavia, returning Fri, Aug 15, priced at $923 found 4 days ago
American Airlines
Mon, Dec 15 - Sat, Dec 20
PHX
Phoenix
SBH
Gustavia
$1,181 Roundtrip, found 4 days ago
$1,181
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Dec 15 from Phoenix to Gustavia, returning Sat, Dec 20, priced at $1,181 found 4 days ago
JetBlue Airways
Fri, Jul 18 - Fri, Jul 25
PHX
Phoenix
SBH
Gustavia
$1,332 Roundtrip, found 13 hours ago
$1,332
Roundtrip
found 13 hours ago
Select JetBlue Airways flight, departing Fri, Jul 18 from Phoenix to Gustavia, returning Fri, Jul 25, priced at $1,332 found 13 hours ago
Flights from Phoenix (PHX) to Gustavia (SBH)
Origin airport
Sky Harbor Intl.
Destination airport
Gustaf III
Roundtrip price
$846
Distance
3211 mi

Phoenix to Gustavia Flights

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

 

The best time to book a flight from Phoenix to Gustavia

Sunday is one of the best days to book for cheap flights from Phoenix 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 Phoenix 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 Phoenix to Gustavia in 2025. You can also book with separate airlines for your outbound and return journeys, from $346 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 Phoenix 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 Phoenix 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 Sky Harbor Intl. Airport (PHX) to Gustaf III Airport (SBH) cost?
Discover the latest flight deals from PHX 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 PHX to SBH?
The cheapest flights from PHX 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 PHX to SBH?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from PHX to SBH. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Sky Harbor Intl. Airport (PHX) to Gustaf III Airport (SBH)?
There aren't any daily nonstop flights from Sky Harbor Intl. Airport (PHX) to Gustaf III Airport (SBH). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way in no time at all.
What day of the week has the most flights from PHX to SBH?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change depending on a range of factors, such as the season 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 Sky Harbor Intl. Airport (PHX) to Gustaf III Airport (SBH)?
To avoid possible delays on the Sky Harbor Intl. Airport (PHX) to Gustaf III Airport (SBH) route, aim to fly before 3 PM. Later flights have a 22% higher chance of cancellation.**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 Sky Harbor Intl. Airport (PHX) to Gustaf III Airport (SBH) last-minute?
Booking your flight from PHX to SBH right before your getaway is usually more expensive. However, if there's some wiggle room with your travel dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book a PHX to SBH flight and hotel package?
Booking a PHX to SBH flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our extensive range of accommodations and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Sky Harbor Intl. Airport (PHX) to Gustaf III Airport (SBH)?
If you reserved your PHX to SBH flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

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*Available to One Key members.