Cheap Flights from Boston (BOS) to St. Thomas (SPB)

Popular airlines from Logan International Airport (BOS) 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. Flights from $529
STT
Cyril E. King
Flights from $529
Select flight to Terrance B. Lettsome Intl. EIS. Flights from $954
EIS
Terrance B. Lettsome Intl.
Flights from $954
Select flight to Benjamin Rivera Noriega CPX. Cheapest option available. Flights from $525
CPX
Benjamin Rivera Noriega
Cheapest
Flights from $525

Frequently asked questions

How much does a flight from Logan Intl. Airport (BOS) to St. Thomas Seaplane Base Airport (SPB) cost?
Secure a cheap one-way flight or cheap return flight from Logan Intl. Airport (BOS) 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 Logan Intl. Airport (BOS) to St. Thomas Seaplane Base Airport (SPB)?
is the cheapest month to fly from BOS to SPB. Timing your trip outside of the busy season is often the key to scoring lower fares.
What is the cheapest airline that flies from Logan Intl. Airport (BOS) to St. Thomas Seaplane Base Airport (SPB)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from BOS to SPB. Then, sort your results by "Price (lowest to highest)" to score the best deal available.
How many flights per day from Logan Intl. Airport (BOS) to St. Thomas Seaplane Base Airport (SPB)?
You'll have to book a flight with a layover when traveling from Logan Intl. Airport (BOS) to St. Thomas Seaplane Base Airport (SPB). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from BOS to SPB?
You'll usually find Tuesday the quietest day for flights, while Fridays are often 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 Logan Intl. Airport (BOS) to St. Thomas Seaplane Base Airport (SPB)?
To avoid potential delays on the Logan Intl. Airport (BOS) to St. Thomas Seaplane Base Airport (SPB) route, fly before 3 PM. Departures after this hour 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.
What airports do you fly into for Charlotte Amalie from Logan Intl. Airport (BOS)?
Explore your flight options from Logan Intl. Airport (BOS) to Cyril E. King Airport (STT). This is the only airport in Charlotte Amalie you can arrive at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Logan Intl. Airport (BOS) to St. Thomas Seaplane Base Airport (SPB) last-minute?
Waiting until just before your trip to book your flight from BOS to SPB often results in higher prices. While you might find some last-minute discounts, there's no guarantee. Be flexible with your travel plans to boost your chances of getting a bargain.
Is it cheaper to book a BOS to SPB flight and hotel package?
Compared with arranging flights and hotels separately, booking a BOS to SPB flight and hotel package with Expedia could lead to significant savings. What's more, managing everything in one place will take the hassle out of planning your trip. Just pick your flights and select from our extensive range of stays, then tailor your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to St. Thomas Seaplane Base Airport (SPB)?
If you reserved your BOS to SPB flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket 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 for further details.

Travel information

Origin airport
Logan Intl.
Destination airport
St. Thomas Seaplane Base
Distance
1698 mi

Book with confidence

Boston to St. Thomas Flights

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

 

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

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

 

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