Cheap Flights from Baltimore (BWI) to St. Thomas (SPB)

Popular airlines from Baltimore Washington Intl. Airport (BWI) 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 $553
STT
Cyril E. King
Cheapest
Flights from $553
Select flight to Terrance B. Lettsome Intl. EIS. Flights from $2,283
EIS
Terrance B. Lettsome Intl.
Flights from $2,283
Select flight to Benjamin Rivera Noriega CPX. Flights from $579
CPX
Benjamin Rivera Noriega
Flights from $579

Frequently asked questions

How much does a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to St. Thomas Seaplane Base Airport (SPB) cost?
Secure a cheap one-way flight or cheap return flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) 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 deals on this route.
What is the cheapest month to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to St. Thomas Seaplane Base Airport (SPB)?
is the least expensive month to fly from BWI to SPB. Traveling outside of peak seasons is often the key to better flight prices.
What is the cheapest airline that flies from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) 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 BWI to SPB. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to St. Thomas Seaplane Base Airport (SPB)?
Direct flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to St. Thomas Seaplane Base Airport (SPB) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BWI to SPB?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to St. Thomas Seaplane Base Airport (SPB)?
To avoid possible delays on the Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to St. Thomas Seaplane Base Airport (SPB) route, aim to travel before 3 PM. Flights after this time 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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to St. Thomas Seaplane Base Airport (SPB) last-minute?
Last-minute bookings from BWI to SPB are usually more expensive. To lock in the cheapest rates, start looking for flights as early as possible. That being said, if you're flexible with your travel plans, you may land a cheap fare right before your trip.
Is it cheaper to book a BWI to SPB flight and hotel package?
Booking a BWI to SPB flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add activities, flights 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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to St. Thomas Seaplane Base Airport (SPB)?
If you booked your BWI to SPB flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

Travel information

Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
St. Thomas Seaplane Base
Distance
1602 mi

Book with confidence

Baltimore to St. Thomas Flights

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

 

The best time to book a flight from Baltimore to St. Thomas

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

 

Baltimore to St. Thomas Flights
*Available to One Key members.