Cheap Flights from Rapid City (RAP) to St. Thomas (SPB)

Popular airlines from Rapid City Regional Airport (RAP) to St. Thomas (SPB-St. Thomas Seaplane Base)

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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 $918
STT
Cyril E. King
Cheapest
Flights from $918

Frequently asked questions

How much does a flight from Rapid City Regional Airport (RAP) to St. Thomas Seaplane Base Airport (SPB) cost?
Snag a cheap one-way flight or cheap return flight from Rapid City Regional Airport (RAP) to St. Thomas Seaplane Base Airport (SPB) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Rapid City Regional Airport (RAP) to St. Thomas Seaplane Base Airport (SPB)?
is the cheapest month to fly from RAP to SPB. Timing your trip outside of the busy season is often the key to better flight prices.
What is the cheapest airline that flies from Rapid City Regional Airport (RAP) to St. Thomas Seaplane Base Airport (SPB)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from RAP to SPB. Then, sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Rapid City Regional Airport (RAP) to St. Thomas Seaplane Base Airport (SPB)?
There are no daily nonstop flights available from Rapid City Regional Airport (RAP) to St. Thomas Seaplane Base Airport (SPB). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from RAP to SPB?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change based on various factors, including 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 Rapid City Regional Airport (RAP) to St. Thomas Seaplane Base Airport (SPB)?
To reach St. Thomas Seaplane Base Airport (SPB) on schedule, book a flight that leaves from Rapid City Regional Airport (RAP) 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 Rapid City Regional Airport (RAP) to St. Thomas Seaplane Base Airport (SPB) last-minute?
Last-minute bookings from RAP to SPB are usually more expensive. For the lowest prices, start looking for flights well in advance. That said, if you're flexible with your travel dates, it's possible to score a cheap ticket just before your departure.
Is it cheaper to book a RAP to SPB flight and hotel package?
Securing a RAP to SPB flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Choose from our impressive range of stays and then add flights, car rentals and activities 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 Rapid City Regional Airport (RAP) to St. Thomas Seaplane Base Airport (SPB)?
You can usually cancel or reschedule your RAP to SPB flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Rapid City Regional
Destination airport
St. Thomas Seaplane Base
Distance
2827 mi

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Rapid City to St. Thomas Flights

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

 

The best time to book a flight from Rapid City to St. Thomas

Sunday is one of the best days to book for cheap flights from Rapid City 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 Rapid City 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 Rapid City 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 Rapid City 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 Rapid City 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.

 

Rapid City to St. Thomas Flights
*Available to One Key members.