$354 Cheap Flights from Seattle (SEA) to Gustavia (SBH)

View $354 flight on Mon, Jan 5, 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Gustavia (SBH-Gustaf III)

Cheap Flights from Seattle to Gustavia (SEA-SBH)

Prices were available within the past 7 days and start at $354 for one-way flights and $877 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Jan 5 - Fri, Jan 9
SEA
Seattle
SBH
Gustavia
$877 Roundtrip, found 3 days ago
$877
Roundtrip
found 3 days ago
Select United flight, departing Mon, Jan 5 from Seattle to Gustavia, returning Fri, Jan 9, priced at $877 found 3 days ago
United
Wed, May 6 - Mon, May 11
SEA
Seattle
SBH
Gustavia
$883 Roundtrip, found 2 days ago
$883
Roundtrip
found 2 days ago
Select United flight, departing Wed, May 6 from Seattle to Gustavia, returning Mon, May 11, priced at $883 found 2 days ago
United
Mon, Jan 5 - Fri, Jan 9
SEA
Seattle
SBH
Gustavia
$894 Roundtrip, found 3 days ago
$894
Roundtrip
found 3 days ago
Select United flight, departing Mon, Jan 5 from Seattle to Gustavia, returning Fri, Jan 9, priced at $894 found 3 days ago
United
Wed, May 6 - Mon, May 11
SEA
Seattle
SBH
Gustavia
$901 Roundtrip, found 2 days ago
$901
Roundtrip
found 2 days ago
Select United flight, departing Wed, May 6 from Seattle to Gustavia, returning Mon, May 11, priced at $901 found 2 days ago
United
Mon, Jan 5 - Fri, Jan 9
SEA
Seattle
SBH
Gustavia
$944 Roundtrip, found 3 days ago
$944
Roundtrip
found 3 days ago
Select United flight, departing Mon, Jan 5 from Seattle to Gustavia, returning Fri, Jan 9, priced at $944 found 3 days ago
United
Mon, Jan 5 - Fri, Jan 9
SEA
Seattle
SBH
Gustavia
$950 Roundtrip, found 3 days ago
$950
Roundtrip
found 3 days ago
Select United flight, departing Mon, Jan 5 from Seattle to Gustavia, returning Fri, Jan 9, priced at $950 found 3 days ago
United
Wed, May 6 - Mon, May 11
SEA
Seattle
SBH
Gustavia
$957 Roundtrip, found 2 days ago
$957
Roundtrip
found 2 days ago
Select United flight, departing Wed, May 6 from Seattle to Gustavia, returning Mon, May 11, priced at $957 found 2 days ago
United
Mon, Jan 5 - Fri, Jan 9
SEA
Seattle
SBH
Gustavia
$962 Roundtrip, found 3 days ago
$962
Roundtrip
found 3 days ago
Select United flight, departing Mon, Jan 5 from Seattle to Gustavia, returning Fri, Jan 9, priced at $962 found 3 days ago
United
Mon, Jan 5 - Fri, Jan 9
SEA
Seattle
SBH
Gustavia
$967 Roundtrip, found 3 days ago
$967
Roundtrip
found 3 days ago
Select United flight, departing Mon, Jan 5 from Seattle to Gustavia, returning Fri, Jan 9, priced at $967 found 3 days ago
American Airlines
Fri, Mar 6 - Wed, Mar 18
SEA
Seattle
SBH
Gustavia
$1,116 Roundtrip, found 6 days ago
$1,116
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Mar 6 from Seattle to Gustavia, returning Wed, Mar 18, priced at $1,116 found 6 days ago

Alternative airports near Gustavia

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

Select flight to Princess Juliana Intl. SXM. Cheapest option available. Flights from $650
SXM
Princess Juliana Intl.
Cheapest
Flights from $650
Select flight to Clayton J. Lloyd Intl. AXA. Flights from $1,597
AXA
Clayton J. Lloyd Intl.
Flights from $1,597

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Gustaf III Airport (SBH) cost?
Secure a cheap one-way flight from $354 or cheap return flight from $877 from Seattle - Tacoma Intl. Airport (SEA) to Gustaf III Airport (SBH) 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 Seattle - Tacoma Intl. Airport (SEA) to Gustaf III Airport (SBH)?
The cheapest month to fly from SEA to SBH is January, when demand is low. Off-peak season is typically when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Gustaf III Airport (SBH)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest SEA to SBH flight.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Gustaf III Airport (SBH)?
You'll need to book a flight with a layover when traveling from Seattle - Tacoma Intl. Airport (SEA) to Gustaf III Airport (SBH). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from SEA to SBH?
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 Seattle - Tacoma Intl. Airport (SEA) to Gustaf III Airport (SBH)?
To avoid potential delays on the Seattle - Tacoma Intl. Airport (SEA) to Gustaf III Airport (SBH) route, fly before 3 PM. Later flights have a 22% higher chance of being 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 Seattle - Tacoma Intl. Airport (SEA) to Gustaf III Airport (SBH) last-minute?
Last-minute bookings from SEA to SBH are generally more expensive. To lock in the best rates, start looking for flights as early as possible. That said, if your travel plans are flexible, you may find a cheap ticket just before your departure.
Is it cheaper to book a SEA to SBH flight and hotel package?
Compared with arranging flights and hotels separately, booking a SEA to SBH flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one convenient place takes the hassle out of travel planning. Just pick your flights and select from our extensive range of stays, then personalize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Gustaf III Airport (SBH)?
If you reserved your SEA to SBH flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

Travel information

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Gustaf III
Roundtrip price
$876
Distance
3896 mi

Book with confidence

Book with confidence

Seattle to Gustavia Flights

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

 

The best time to book a flight from Seattle to Gustavia

Sunday is one of the best days to book for cheap flights from Seattle 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 Seattle 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 Seattle to Gustavia in 2025. You can also book with separate airlines for your outbound and return journeys, from $354 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 Seattle 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 Seattle 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.

 

Seattle to Gustavia Flights

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*Available to One Key members.