HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Saint Thomas Island

$169+ Cheap flights from Boston (BOS) to Saint Thomas Island (STT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — STT
Dec 30 — Jan 61
Tue 12/30
Tue 1/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston to Saint Thomas Island with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Boston Logan Intl to Saint Thomas Island Cyril E King are usually found in January or September, booked 47 days in advance, depart on a Monday or Wednesday and return on a Friday

Cheap flight deals from Boston to Saint Thomas Island

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Saint Thomas Island (STT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 30, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$234
(JetBlue)

One-way from

$169
(Kiwi.com)

Popular in

April

Cheapest in

January

Average price

$543

Good round-trip deal

$280 or less

Good one-way deal

$209 or less
Provider with most accurate pricing for Boston Logan Intl-Saint Thomas Island Cyril E King flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Saint Thomas Island Cyril E King flights.
Search Deals
From Boston Logan Intl to Saint Thomas Island Cyril E King
Search Deals
One-way flight from Boston Logan Intl to Saint Thomas Island Cyril E King
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Boston Logan Intl to Saint Thomas Island Cyril E King.
Search Deals
Price to beat on a one-way flight from Boston Logan Intl to Saint Thomas Island Cyril E King.
Search Deals

Find flight deals from Boston to Saint Thomas Island

Cheapest flights from Boston to Saint Thomas Island
Explore the most affordable flight options available from Boston to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 30, 2025.

This JetBlue deal was found by Cheapflights users on 11/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:10 amBOS - STT
Nonstop4h 02mJetBlue
Mon 1/122:00 pmSTT - BOS
1 stop5h 49mJetBlue
Deal found 11/27$234
This American Airlines deal was found by Cheapflights users on 11/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:59 amBOS - STT
1 stop7h 00mAmerican Airlines
Thu 1/86:39 pmSTT - BOS
1 stop16h 22mAmerican Airlines
Deal found 11/28$243
This Delta deal was found by Cheapflights users on 11/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:05 amBOS - STT
1 stop6h 51mDelta
Wed 1/144:15 pmSTT - BOS
1 stop9h 49mDelta
Deal found 11/27$278
This JetBlue deal was found by Cheapflights users on 11/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/215:01 amBOS - STT
1 stop7h 59mJetBlue
Sat 12/2712:59 pmSTT - BOS
1 stop5h 54mJetBlue
Deal found 11/29$297
This Delta deal was found by Cheapflights users on 11/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:20 amBOS - STT
Nonstop4h 04mDelta
Tue 1/134:15 pmSTT - BOS
1 stop9h 49mDelta
Deal found 11/27$302
This JetBlue deal was found by Cheapflights users on 11/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:10 amBOS - STT
Nonstop4h 02mJetBlue
Tue 12/302:55 pmSTT - BOS
1 stop9h 52mJetBlue
Deal found 11/29$303
This Delta deal was found by Cheapflights users on 11/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:20 amBOS - STT
Nonstop4h 04mDelta
Tue 1/132:32 pmSTT - BOS
Nonstop4h 21mDelta
Deal found 11/27$312
This Delta deal was found by Cheapflights users on 11/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/136:05 amBOS - STT
1 stop6h 09mDelta
Sun 12/212:34 pmSTT - BOS
Nonstop4h 22mDelta
Deal found 11/29$317
This Cheapflightsfares deal was found by Cheapflights users on 11/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/148:11 pmBOS - STT
1 stop17h 38mSpirit Airlines
Sun 12/2112:31 pmSTT - BOS
1 stop12h 26mSpirit Airlines
Deal found 11/29$325
This Delta deal was found by Cheapflights users on 11/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:20 amBOS - STT
Nonstop4h 04mDelta
Thu 1/82:32 pmSTT - BOS
Nonstop4h 21mDelta
Deal found 11/29$332
This Cheapflightsfares deal was found by Cheapflights users on 11/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/178:11 pmBOS - STT
1 stop17h 17mSpirit Airlines
Wed 12/2412:31 pmSTT - BOS
1 stop12h 26mSpirit Airlines
Deal found 11/29$337

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Saint Thomas Island that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 30, 2025.
Use the filters below to find and compare flights from Boston to Saint Thomas Island that are best for you.

Fly from

Boston

Fly to

Saint Thomas Island

Route

Depart

Return

Price

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Sun 1/11

8:55 am-2:00 pm

Nonstop4h 05m

Saint Thomas Island Cyril E King

Sun 1/18

2:32 pm-5:53 pm

Nonstop4h 21m

$234

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Sun 1/18

8:00 am-1:05 pm

Nonstop4h 05m

Saint Thomas Island Cyril E King

Fri 1/23

2:00 pm-6:49 pm

1 stop5h 49m

$234

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Wed 3/4

8:00 am-1:06 pm

Nonstop4h 06m

Saint Thomas Island Cyril E King

Mon 3/9

1:01 pm-6:53 pm

1 stop5h 52m

$234

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Fri 1/23

8:55 am-2:00 pm

Nonstop4h 05m

Saint Thomas Island Cyril E King

Wed 1/28

2:32 pm-5:53 pm

Nonstop4h 21m

$234

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Tue 1/13

8:55 am-2:00 pm

Nonstop4h 05m

Saint Thomas Island Cyril E King

Sun 1/18

2:32 pm-5:53 pm

Nonstop4h 21m

$234

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Tue 2/10

8:00 am-1:05 pm

Nonstop4h 05m

Saint Thomas Island Cyril E King

Mon 2/16

2:01 pm-6:54 pm

1 stop5h 53m

$234

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Wed 3/18

9:45 am-1:46 pm

Nonstop4h 01m

Saint Thomas Island Cyril E King

Sun 3/22

2:41 pm-8:34 pm

1 stop5h 53m

$234

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Tue 1/13

8:00 am-1:05 pm

Nonstop4h 05m

Saint Thomas Island Cyril E King

Sun 1/18

2:00 pm-6:49 pm

1 stop5h 49m

$234

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Fri 1/30

8:00 am-1:05 pm

Nonstop4h 05m

Saint Thomas Island Cyril E King

Sat 2/7

5:55 pm-10:53 pm

1 stop5h 58m

$234

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Wed 2/4

6:00 am-1:22 pm

1 stop6h 22m

Saint Thomas Island Cyril E King

Wed 2/11

2:32 pm-5:53 pm

Nonstop4h 21m

$239

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/28

Showing 1-10 of 21 results
1
2
3

Compare providers for flights from Boston to Saint Thomas Island

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Saint Thomas Island in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-Saint Thomas Island flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Boston-Saint Thomas Island flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Boston-Saint Thomas Island flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Saint Thomas Island flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Saint Thomas Island flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boston to Saint Thomas Island

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from Boston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Boston to Saint Thomas Island

How far ahead should I book a flight from Boston to Saint Thomas Island?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Saint Thomas Island. Price data was last updated on November 21, 2025.

Booking 47 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to Saint Thomas Island. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Boston to Saint Thomas Island?

Currently, December is the cheapest month in which you can book a flight from Boston to Saint Thomas Island (average of $84). Flying from Boston to Saint Thomas Island in April is currently the most expensive (average of $257). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOS to STT?

Find hourly flight availability from Boston to Saint Thomas Island. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 30, 2025.

When flying from Boston to Saint Thomas Island, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 50% versus a flight in the morning.

Reviews of airlines servicing Saint Thomas Island

Get insights into the airlines that provide service to Saint Thomas Island. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Saint Thomas Island. Reviews last updated November 30, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Boston to Saint Thomas Island by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,011 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,011 reviews
Delta
7.9
Good
8,011 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,057 reviews
Delta
7.9
Good
8,011 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,042 reviews
Delta
7.9
Good
8,011 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
JetBlue
7.2
Good
2,904 reviews
Delta
7.9
Good
8,011 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Spirit Airlines
6.3
Okay
8,160 reviews
Delta
7.9
Good
8,011 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Boston to Saint Thomas Island. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Boston to Saint Thomas Island?

    Airlines like Delta and JetBlue fly from Boston to Saint Thomas Island in about 4h 05m. The time it takes to get you to your destination is usually consistent. Airlines will cover a distance of 1697 mi. All flights are typically nonstop.

  • What are the cheapest airlines flying from Boston to Saint Thomas Island round-trip?

    Currently priced at $169, Spirit Airlines will fly you from Boston to Saint Thomas Island and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $170 and $217, respectively. Spirit Airlines is priced at 64% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Boston to Saint Thomas Island one-way?

    To fly one-way, consider booking your trip with JetBlue, which is currently one of the cheapest options available, starting at $170. American Airlines flights start at $171 while deals on United Airlines start at $175 one-way.

  • What are the cheapest flights from Boston to Saint Thomas Island?

    While on average a flight from Boston to Saint Thomas Island is generally $328, our data shows the cheapest flight currently is $125. When looking at the most popular route, (Boston Logan Intl - Saint Thomas Island Cyril E King), you can expect to pay $234 for that flight.

  • Where are the most common layover locations when flying from Boston to Saint Thomas Island?

    Boston to Saint Thomas Island flights have a layover in San Juan most often. Miami sees the next most layovers on Boston to Saint Thomas Island flights. Fort Lauderdale comes in third as the most popular layover location on Boston to Saint Thomas Island flights.

  • What are some popular things to do or see while on a layover in San Juan?

    If you're on a layover in San Juan and looking for things to do, consider visiting Viejo San Juan, Centro de Bellas Artes Luis A. Ferre, or Casa Blanca. Travelers on a layover in San Juan can visit Viejo San Juan, Centro de Bellas Artes Luis A. Ferre, and Casa Blanca, by traveling 7.7 mi, 4.3 mi, and 7.9 mi, respectively after landing at San Juan Luis Munoz Marin Intl. Travelers can book a car rental at San Juan Luis Munoz Marin Intl for about $35 per day to make their sightseeing more efficient.

  • What are some popular points of interest to see during a layover in Miami?

    Kaseya Center, Bayfront Park, and Bayside Marketplace are the most popular attractions in Miami if you're in need of something to do during your layover. Kaseya Center, Bayfront Park, and Bayside Marketplace can be accessed by traveling approximately 6.2 mi, 6.4 mi, and 6.4 mi, respectively from Miami. Travelers in need of a car in Miami can rent one for about $24 per day.

  • What are points of interest worth seeing during a layover in Fort Lauderdale?

    Las Olas Beach, Port Everglades, and Fort Lauderdale Beach Park are currently the most popular points of interest in Fort Lauderdale. Las Olas Beach, Port Everglades, and Fort Lauderdale Beach Park can be accessed by traveling approximately 4.1 mi, 2.1 mi, and 4.2 mi, respectively from Fort Lauderdale. Travelers can book a car rental at Fort Lauderdale for about $25 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for Boston to Saint Thomas Island flights?

    Boston to Saint Thomas Island flights have a layover in New York the least frequently. Philadelphia sees the next fewest layovers on Boston to Saint Thomas Island flights.

  • Can I find deals for flights from Boston to Saint Thomas Island that include hotel bookings?

    Yes. In addition to deals on Boston to Saint Thomas Island flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Saint Thomas Island?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Saint Thomas Island.

  • Can I find deals for business class flights from Boston to Saint Thomas Island?

    Yes. Cheapflights offers flight deals from Boston to Saint Thomas Island by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to Saint Thomas Island?

    Currently, December is the cheapest month in which you can book a flight from Boston to Saint Thomas Island (average of $84). Flying from Boston to Saint Thomas Island in April is currently the most expensive (average of $257). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Saint Thomas Island?

Book flights to Saint Thomas Island if you plan to visit one of these locations
St. John

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 5 airlines flying from Boston to Saint Thomas Island

Discover the top 5 airlines that operate flights from Boston to Saint Thomas Island. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$169Average$351FlexibilityNo cancel feeOn-time65%
DeltaCheapest$170Average$495FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$217Average$455FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$227Average$501FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$260Average$543FlexibilityNo cancel feeOn-time62%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.