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Saint Thomas Island

$110+ 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 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — STT
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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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 Wednesday or Tuesday and return on a Tuesday

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 October 30, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$302
(JetBlue)

One-way from

$110
(Delta)

Popular in

April

Cheapest in

January

Average price

$485

Good round-trip deal

$330 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.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Saint Thomas Island Cyril E King flights.
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From Boston Logan Intl to Saint Thomas Island Cyril E King
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One-way flight from Boston Logan Intl to Saint Thomas Island Cyril E King
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Highest demand for flights based on searches. 8% potential increase in price ($43 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Boston Logan Intl to Saint Thomas Island Cyril E King.
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Price to beat on a one-way flight from Boston Logan Intl to Saint Thomas Island Cyril E King.
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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 October 30, 2025.

This American Airlines deal was found by Cheapflights users on 10/28. 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.
Sat 12/135:21 amBOS - STT
1 stop10h 30mAmerican Airlines
Sun 12/216:36 pmSTT - BOS
1 stop7h 23mAmerican Airlines
Deal found 10/28$303
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/48:11 pmBOS - STT
1 stop17h 38mSpirit Airlines
Fri 1/304:06 pmSTT - BOS
1 stop7h 02mSpirit Airlines
Deal found 10/28$307
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/712:57 pmBOS - STT
1 stop24h 52mMultiple Airlines
Fri 12/123:54 pmSTT - BOS
1 stop19h 07mMultiple Airlines
Deal found 10/30$308
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Fri 12/56:28 pmBOS - STT
1 stop17h 34mAmerican Airlines
Tue 12/96:17 pmSTT - BOS
2 stops16h 18mAmerican Airlines
Deal found 10/28$311
This CheapOair deal was found by Cheapflights users on 10/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/27:40 amBOS - STT
1 stop5h 40mJetBlue
Fri 12/191:07 pmSTT - BOS
1 stop5h 48mJetBlue
Deal found 10/30$313
This Delta deal was found by Cheapflights users on 10/28. 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 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
Wed 1/72:59 pmSTT - BOS
Nonstop4h 21mDelta
Deal found 10/28$317
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/205:45 pmBOS - STT
1 stop19h 45mMultiple Airlines
Sun 11/233:25 pmSTT - BOS
1 stop19h 39mMultiple Airlines
Deal found 10/28$322
This American Airlines deal was found by Cheapflights users on 10/30. 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.
Sat 11/297:00 amBOS - STT
1 stop8h 30mAmerican Airlines
Sat 12/62:49 pmSTT - BOS
2 stops9h 26mAmerican Airlines
Deal found 10/30$324
This Delta deal was found by Cheapflights users on 10/30. 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
Fri 1/92:59 pmSTT - BOS
Nonstop4h 21mDelta
Deal found 10/30$326
This American Airlines deal was found by Cheapflights users on 10/28. 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 12/166:05 amBOS - STT
1 stop6h 56mAmerican Airlines
Fri 12/196:36 pmSTT - BOS
1 stop18h 14mAmerican Airlines
Deal found 10/28$335

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 October 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

Thu 1/29

8:00 am-1:05 pm

Nonstop4h 05m

Saint Thomas Island Cyril E King

Tue 2/3

2:00 pm-6:59 pm

1 stop5h 59m

$302

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Fri 2/6

8:55 am-2:00 pm

Nonstop4h 05m

Saint Thomas Island Cyril E King

Mon 2/9

2:59 pm-6:20 pm

Nonstop4h 21m

$302

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Tue 1/6

6:00 am-1:49 pm

1 stop6h 49m

Saint Thomas Island Cyril E King

Fri 1/16

2:59 pm-6:20 pm

Nonstop4h 21m

$307

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Mon 2/2

6:00 am-1:49 pm

1 stop6h 49m

Saint Thomas Island Cyril E King

Mon 2/9

2:59 pm-6:20 pm

Nonstop4h 21m

$307

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Sun 1/25

5:45 am-1:56 pm

1 stop7h 11m

Saint Thomas Island Cyril E King

Wed 2/4

1:02 pm-9:52 pm

2 stops9h 50m

$311

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Fri 1/2

7:10 am-12:12 pm

Nonstop4h 02m

Saint Thomas Island Cyril E King

Thu 1/8

2:00 pm-6:59 pm

1 stop5h 59m

$317

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Wed 2/4

8:55 am-2:00 pm

Nonstop4h 05m

Saint Thomas Island Cyril E King

Wed 2/11

2:59 pm-6:20 pm

Nonstop4h 21m

$326

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Thu 4/2

8:30 am-12:36 pm

Nonstop4h 06m

Saint Thomas Island Cyril E King

Wed 4/8

1:35 pm-7:40 pm

1 stop6h 05m

$330

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Tue 4/14

8:30 am-12:36 pm

Nonstop4h 06m

Saint Thomas Island Cyril E King

Tue 4/21

1:35 pm-7:40 pm

1 stop6h 05m

$330

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Sat 3/28

6:30 am-10:32 am

Nonstop4h 02m

Saint Thomas Island Cyril E King

Thu 4/2

1:35 pm-7:40 pm

1 stop6h 05m

$330

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 20 results
1
2

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 October.
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 October 24, 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 $258). 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 October 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 53% 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 October 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
7,998 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,998 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,035 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
JetBlue
7.2
Good
2,906 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Spirit Airlines
6.3
Okay
8,116 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 JetBlue, Delta, and United Airlines fly from Boston to Saint Thomas Island in about 4h 05m. The time it takes to get you to your destination can typically vary by up to 3h 06m. Airlines will cover a distance of 1697 mi. This flight may include one or multiple stops.

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

    Currently priced at $170, 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 $172 and $220, 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 flights from Boston to Saint Thomas Island?

    While on average a flight from Boston to Saint Thomas Island is generally $752, our data shows the cheapest flight currently is $159. When looking at the most popular route, (Boston Logan Intl - Saint Thomas Island Cyril E King), you can expect to pay $263 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, Casa Blanca, or Centro de Bellas Artes Luis A. Ferre. Travelers on a layover in San Juan can visit Viejo San Juan, Casa Blanca, and Centro de Bellas Artes Luis A. Ferre, by traveling 7.7 mi, 7.9 mi, and 4.3 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 Wynwood Art District are the most popular attractions in Miami if you're in need of something to do during your layover. Kaseya Center, Bayfront Park, and Wynwood Art District can be accessed by traveling approximately 6.2 mi, 6.4 mi, and 5.5 mi, respectively from Miami. Travelers in need of a car in Miami can rent one for about $21 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 $21 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 Charlotte the least frequently. New York sees the next fewest layovers on Boston to Saint Thomas Island flights. Philadelphia sees the third fewest flights with layovers for the Boston to Saint Thomas Island route.

  • 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 $258). 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

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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$170Average$352FlexibilityNo cancel feeOn-time65%
DeltaCheapest$172Average$512FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$220Average$472FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$227Average$509FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$261Average$549FlexibilityNo cancel feeOn-time62%

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