$117 Cheap Flights from St. Thomas (STT) to Boston (BOS)

View $117 flight on Tue, May 19, 2026Opens in a new window

Popular airlines from Cyril E. King Airport (STT) to Logan International Airport (BOS)

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Cheap Flights from St. Thomas to Boston (STT-BOS)

Prices were available within the past 7 days and start at $117 for one-way flights and $251 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, May 15 - Sat, May 16
STT
St. Thomas
BOS
Boston
$251 Roundtrip, found 2 days ago
$251
Roundtrip
found 2 days ago
Select United flight, departing Fri, May 15 from St. Thomas to Boston, returning Sat, May 16, priced at $251 found 2 days ago
United
Wed, May 13 - Mon, May 18
STT
St. Thomas
BOS
Boston
$255 Roundtrip, found 4 hours ago
$255
Roundtrip
found 4 hours ago
Select United flight, departing Wed, May 13 from St. Thomas to Boston, returning Mon, May 18, priced at $255 found 4 hours ago
American Airlines
Wed, May 6 - Wed, May 13
STT
St. Thomas
BOS
Boston
$260 Roundtrip, found 4 days ago
$260
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, May 6 from St. Thomas to Boston, returning Wed, May 13, priced at $260 found 4 days ago
American Airlines
Fri, May 15 - Sun, May 17
STT
St. Thomas
BOS
Boston
$265 Roundtrip, found 4 hours ago
$265
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Fri, May 15 from St. Thomas to Boston, returning Sun, May 17, priced at $265 found 4 hours ago
Delta
Wed, May 6 - Wed, May 13
STT
St. Thomas
BOS
Boston
$270 Roundtrip, found 4 days ago
$270
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, May 6 from St. Thomas to Boston, returning Wed, May 13, priced at $270 found 4 days ago
Delta
Wed, May 20 - Sun, May 24
STT
St. Thomas
BOS
Boston
$275 Roundtrip, found 2 days ago
$275
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, May 20 from St. Thomas to Boston, returning Sun, May 24, priced at $275 found 2 days ago
United
Wed, May 13 - Mon, May 18
STT
St. Thomas
BOS
Boston
$280 Roundtrip, found 4 hours ago
$280
Roundtrip
found 4 hours ago
Select United flight, departing Wed, May 13 from St. Thomas to Boston, returning Mon, May 18, priced at $280 found 4 hours ago
United
Wed, May 13 - Mon, May 18
STT
St. Thomas
BOS
Boston
$281 Roundtrip, found 4 hours ago
$281
Roundtrip
found 4 hours ago
Select United flight, departing Wed, May 13 from St. Thomas to Boston, returning Mon, May 18, priced at $281 found 4 hours ago
JetBlue Airways
Fri, Jul 10 - Tue, Jul 21
STT
St. Thomas
BOS
Boston
$301 Roundtrip, found 1 hour ago
$301
Roundtrip
found 1 hour ago
Select JetBlue Airways flight, departing Fri, Jul 10 from St. Thomas to Boston, returning Tue, Jul 21, priced at $301 found 1 hour ago
Spirit Airlines
Wed, Aug 5 - Tue, Aug 18
STT
St. Thomas
BOS
Boston
$367 Roundtrip, found 2 days ago
$367
Roundtrip
found 2 days ago
Select Spirit Airlines flight, departing Wed, Aug 5 from St. Thomas to Boston, returning Tue, Aug 18, priced at $367 found 2 days ago

Alternative airports near Boston

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

Select flight to Logan Intl. BOS. Cheapest and Closest option available. Average driving time to city center is 7 minutes. Flights from $420
BOS
Logan Intl.
CheapestClosest
Average driving time to city center7 min
Flights from $420

Frequently asked questions

How much does a flight from St. Thomas (STT-Cyril E. King) to Boston, MA (BOS-Logan Intl.) cost?
You can find cheap one-way flights and cheap return flights from $251 St. Thomas (STT-Cyril E. King) to Boston, MA (BOS-Logan Intl.) with Expedia. One-way flights generally range between $162 and $1222, and roundtrip flights usually range from $304 to $1945. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when St. Thomas (STT-Cyril E. King) to Boston, MA (BOS-Logan Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from St. Thomas (STT-Cyril E. King) to Boston, MA (BOS-Logan Intl.)?
January is the cheapest month to fly from St. Thomas (STT) to Boston (BOS), with average round-trip fares around $295. This is about 31% lower than the average price throughout the year, as January is typically a quieter travel period after the holiday rush. Other budget-friendly months to fly from St. Thomas to Boston include February and July.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from St. Thomas (STT-Cyril E. King) to Boston, MA (BOS-Logan Intl.)?
Delta offers around 7 weekly direct flights from STT to BOS.
What is the cheapest airline that flies from St. Thomas (STT-Cyril E. King) to Boston, MA (BOS-Logan Intl.)?
Delta is one of the cheapest airlines offering nonstop flights from Cyril E. King (STT) to Logan Intl. (BOS), with round-trip tickets starting from around $534. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from St. Thomas (STT-Cyril E. King) to Boston, MA (BOS-Logan Intl.)?
To find a cheap flight from St. Thomas (STT-Cyril E. King) to Boston, MA (BOS-Logan Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from St. Thomas (STT-Cyril E. King) to Boston, MA (BOS-Logan Intl.)?
The best airline to fly with from St. Thomas (STT) to Boston, MA (BOS) will differ from traveler to traveler. If you like to fly early, Delta offers early morning flights. If price is the most important factor, Delta typically offers the lowest fares. 9K offers the most daily flights from St. Thomas to Boston, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from St. Thomas (STT-Cyril E. King) to Boston, MA (BOS-Logan Intl.)?
When flying from St. Thomas (STT) to Boston (BOS), January and February are the best months to consider. You can find return flights for about $295, making it a budget-friendly option. These months are less crowded, allowing for a more enjoyable travel experience.*Prices based on flights available on Expedia in the last year.
How many flights per day from St. Thomas (STT-Cyril E. King) to Boston, MA (BOS-Logan Intl.)?
On average, there are around 1 nonstop flights per day from Cyril E. King (STT) to Logan Intl. (BOS). For more options, look at flights that include layovers.
What is the earliest flight from St. Thomas (STT-Cyril E. King) to Boston, MA (BOS-Logan Intl.)?
The earliest flight from Cyril E. King Airport (STT) in St. Thomas to Logan International Airport (BOS) in Boston typically departs at around 7:00 AM local time, with services operated by 9K, Silver Airways, and JetBlue Airways. This seasonal service is available in April, making it a great option for travelers looking to maximize their time in Boston. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from St. Thomas (STT-Cyril E. King) to Boston, MA (BOS-Logan Intl.)?
The most popular departure times for flights from St. Thomas (STT) to Boston (BOS) are in the early afternoon, from 12pm to 3pm. About 60% of passengers choose this time window. Many major carriers, including American Airlines, Delta, and JetBlue, offer flights during this window. This timing is favored because it allows you to enjoy a relaxed morning before your flight.
How long does it take to fly from St. Thomas (STT-Cyril E. King) to Boston, MA (BOS-Logan Intl.)?
Direct flights from STT to BOS usually take about 4 hours 20 minutes, traveling roughly 1,698 miles. If you opt for a connecting flight, expect to add around 2 hours 40 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from St. Thomas (STT-Cyril E. King) to Boston, MA (BOS-Logan Intl.)?
Business class seats are offered on the STT to BOS route with JetBlue Airways.First class cabins are available on:

  • Delta Air Lines
  • United Airlines
  • Spirit Airlines

How do I earn miles on a St. Thomas (STT-Cyril E. King) to Boston, MA (BOS-Logan Intl.) flight with Expedia?
It's easy to earn miles on a St. Thomas (STT-Cyril E. King) to Boston, MA (BOS-Logan Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Boston from Cyril E. King (STT)?
If you're planning to travel to Boston from Cyril E. King (STT), you can fly into Logan Intl. (BOS) Some flights may connect through major hubs like Luis Munoz Marin Intl. (SJU), Washington Dulles Intl. (IAD), Liberty Intl. (EWR) before reaching Boston. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from St. Thomas (STT-Cyril E. King) to Boston, MA (BOS-Logan Intl.) at the last minute?
Typically, booking a last minute flight from St. Thomas (STT-Cyril E. King) to Boston, MA (BOS-Logan Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a St. Thomas (STT-Cyril E. King) to Boston, MA (BOS-Logan Intl.) flight and hotel package?
Securing a St. Thomas (STT-Cyril E. King) to Boston, MA (BOS-Logan Intl.) Boston Vacation Packages is usually 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 flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from St. Thomas (STT-Cyril E. King) to Boston, MA (BOS-Logan Intl.)?
If you booked your St. Thomas (STT-Cyril E. King) to Boston, MA (BOS-Logan Intl.) flight within the last 24 hours, you may be able to modify or cancel 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, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Cyril E. King
Destination airport
Logan Intl.
Airlines serving
American Airlines, Delta, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$250
Distance
1697 mi
Average flight time
6 hours 51 mins

Book with confidence

St. Thomas to Boston Flights

The cheapest times to fly from St. Thomas to Boston

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

 

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

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

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 St. Thomas to Boston in 2026. You can also book with separate airlines for your outbound and return journeys, from $117 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 St. Thomas to Boston 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 St. Thomas to Boston 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.

 

St. Thomas to Boston Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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