Cheap Flights from San Diego (SAN) to St. Thomas (SPB)

Popular airlines from San Diego Intl. Airport (SAN) to St. Thomas (SPB-St. Thomas Seaplane Base)

Alternative airports near St. Thomas

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

Select flight to Cyril E. King STT. Cheapest option available. Flights from $709
STT
Cyril E. King
Cheapest
Flights from $709
Select flight to Terrance B. Lettsome Intl. EIS. Flights from $1,277
EIS
Terrance B. Lettsome Intl.
Flights from $1,277

Frequently asked questions

How much does a flight from San Diego Intl. Airport (SAN) to St. Thomas Seaplane Base Airport (SPB) cost?
Secure a cheap one-way flight or cheap return flight from San Diego Intl. Airport (SAN) to St. Thomas Seaplane Base Airport (SPB) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from San Diego Intl. Airport (SAN) to St. Thomas Seaplane Base Airport (SPB)?
The cheapest month to fly from SAN to SPB is , when there's less demand. Off-peak season is generally when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from San Diego Intl. Airport (SAN) to St. Thomas Seaplane Base Airport (SPB)?
To find the cheapest airline that'll fly you from SAN to SPB, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from San Diego Intl. Airport (SAN) to St. Thomas Seaplane Base Airport (SPB)?
Nonstop flights from San Diego Intl. Airport (SAN) to St. Thomas Seaplane Base Airport (SPB) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SAN to SPB?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change 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 San Diego Intl. Airport (SAN) to St. Thomas Seaplane Base Airport (SPB)?
To arrive at St. Thomas Seaplane Base Airport (SPB) on schedule, choose a flight that leaves from San Diego Intl. Airport (SAN) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 San Diego Intl. Airport (SAN) to St. Thomas Seaplane Base Airport (SPB) last-minute?
Booking your plane ticket from SAN to SPB just before your trip is generally more expensive. However, if there's some wiggle room with your itinerary, you could grab a cheap last-minute fare.
Is it cheaper to book a SAN to SPB flight and hotel package?
Booking a SAN to SPB flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Select from our impressive range of accommodations and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Diego Intl. Airport (SAN) to St. Thomas Seaplane Base Airport (SPB)?
Generally, it's possible to cancel or reschedule your SAN to SPB flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
San Diego Intl.
Destination airport
St. Thomas Seaplane Base
Distance
3370 mi

Book with confidence

San Diego to St. Thomas Flights

The cheapest times to fly from San Diego to St. Thomas

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 San Diego to St. Thomas are during the month of . You can find some of the cheapest flights from San Diego to St. Thomas with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Diego to St. Thomas

Sunday is one of the best days to book for cheap flights from San Diego to St. Thomas: 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 San Diego to St. Thomas

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 San Diego to St. Thomas in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 San Diego to St. Thomas 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 San Diego to St. Thomas 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.

 

San Diego to St. Thomas Flights
*Available to One Key members.