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

$109+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — STT
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
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 March or January, booked 90 days in advance, depart on a Tuesday or Monday and return on a Thursday

Cheap 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 March 10, 2026.

This Delta deal was found by Cheapflights users on 3/9. 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.
Sun 3/298:40 am
BOS
-
STT
Nonstop4h 03m
Delta
Fri 4/32:45 pm
STT
-
BOS
Nonstop4h 19m
Delta
Deal found 3/9$221
This Delta deal was found by Cheapflights users on 3/8. 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.
Mon 3/238:40 am
BOS
-
STT
Nonstop4h 03m
Delta
Wed 4/12:45 pm
STT
-
BOS
Nonstop4h 19m
Delta
Deal found 3/8$222
This United Airlines deal was found by Cheapflights users on 3/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:00 am
BOS
-
STT
1 stop7h 08m
United Airlines
Thu 4/161:22 pm
STT
-
BOS
1 stop8h 32m
United Airlines
Deal found 3/9$230
This American Airlines deal was found by Cheapflights users on 3/8. 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.
Mon 3/237:40 am
BOS
-
STT
1 stop7h 14m
American Airlines
Wed 4/15:25 pm
STT
-
BOS
1 stop7h 34m
American Airlines
Deal found 3/8$232
This American Airlines deal was found by Cheapflights users on 3/5. 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.
Wed 4/17:00 am
BOS
-
STT
1 stop7h 46m
American Airlines
Tue 4/145:05 pm
STT
-
BOS
1 stop7h 54m
American Airlines
Deal found 3/5$235
This United Airlines deal was found by Cheapflights users on 3/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:00 am
BOS
-
STT
1 stop9h 31m
United Airlines
Thu 4/161:22 pm
STT
-
BOS
1 stop8h 32m
United Airlines
Deal found 3/6$245
This Delta deal was found by Cheapflights users on 3/8. 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.
Mon 3/168:40 am
BOS
-
STT
Nonstop4h 03m
Delta
Wed 4/12:45 pm
STT
-
BOS
Nonstop4h 19m
Delta
Deal found 3/8$246
This American Airlines deal was found by Cheapflights users on 3/9. 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.
Mon 4/135:50 am
BOS
-
STT
2 stops10h 25m
American Airlines
Thu 4/1612:25 pm
STT
-
BOS
2 stops11h 05m
American Airlines
Deal found 3/9$250
This Delta deal was found by Cheapflights users on 3/8. 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.
Mon 3/165:35 am
BOS
-
STT
1 stop8h 12m
Delta
Fri 4/32:45 pm
STT
-
BOS
Nonstop4h 19m
Delta
Deal found 3/8$251

Find 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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$221
(Delta)

One-way from

$109
(Delta)

Popular in

November

Cheapest in

March

Average price

$332

Good round-trip deal

$283 or less

Good one-way deal

$128 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. 15% potential increase in price ($81 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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

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 March 10, 2026.
Use the filters below to find and compare flights from Boston to Saint Thomas Island that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Sun 3/29

8:40 am-12:43 pm

Nonstop4h 03m

Saint Thomas Island Cyril E King

Fri 4/3

2:45 pm-7:04 pm

Nonstop4h 19m

$221

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Mon 3/23

5:35 am-1:47 pm

1 stop8h 12m

Saint Thomas Island Cyril E King

Fri 3/27

2:45 pm-7:04 pm

Nonstop4h 19m

$226

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Fri 3/20

6:00 am-1:00 pm

1 stop7h 00m

Saint Thomas Island Cyril E King

Wed 3/25

3:55 pm-10:54 pm

1 stop6h 59m

$312

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Thu 4/30

6:00 am-1:08 pm

1 stop7h 08m

Saint Thomas Island Cyril E King

Thu 5/7

2:10 pm-11:59 pm

2 stops9h 49m

$345

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Wed 4/15

6:00 am-3:31 pm

1 stop9h 31m

Saint Thomas Island Cyril E King

Wed 4/22

1:22 pm-9:54 pm

1 stop8h 32m

$345

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Sat 3/21

6:00 am-1:00 pm

1 stop7h 00m

Saint Thomas Island Cyril E King

Fri 3/27

2:45 pm-7:04 pm

Nonstop4h 19m

$346

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Sat 4/4

8:40 am-12:43 pm

Nonstop4h 03m

Saint Thomas Island Cyril E King

Wed 4/8

2:45 pm-7:04 pm

Nonstop4h 19m

$355

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Fri 4/3

8:40 am-12:43 pm

Nonstop4h 03m

Saint Thomas Island Cyril E King

Mon 4/6

2:45 pm-7:04 pm

Nonstop4h 19m

$381

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Wed 4/1

8:40 am-12:43 pm

Nonstop4h 03m

Saint Thomas Island Cyril E King

Thu 4/30

3:59 pm-11:07 pm

1 stop7h 08m

$411

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Sat 4/25

8:45 am-12:42 pm

Nonstop3h 57m

Saint Thomas Island Cyril E King

Tue 4/28

3:05 pm-1:15 am

1 stop10h 10m

$478

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Showing 1-10 of 20 resultsSorted by cheapest first
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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
JustAirTicketPrice Accuracy-Trust Score*1 star

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Saint Thomas Island flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 March 6, 2026.

Booking 90 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, August is the cheapest month in which you can book a flight from Boston to Saint Thomas Island (average of $123). Flying from Boston to Saint Thomas Island in November is currently the most expensive (average of $296). 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 March 10, 2026.

When flying from Boston to Saint Thomas Island, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 March 10, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andJetBlue 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
8,276 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

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
8,276 reviews
Delta
7.9
Good
8,276 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

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
9,409 reviews
Delta
7.9
Good
8,276 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

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
2,900 reviews
Delta
7.9
Good
8,276 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

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
7.1
Good
11,414 reviews
Delta
7.9
Good
8,276 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

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
8,513 reviews
Delta
7.9
Good
8,276 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

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.

  • What airports do I use to fly from Boston to Saint Thomas Island?

    You will need to book a flight from Boston Logan Intl to Saint Thomas Island Cyril E King if you want to fly from Boston to Saint Thomas Island. At least 5 different airlines have flights from Logan Intl (BOS) to Cyril E King (STT) on a regular basis. There is 1 flight to Saint Thomas Island from the Boston airport per day. If you manage to book one that is nonstop, then you can expect the flight time from BOS to STT to be around 3h 57m.

  • How popular is this Boston to Saint Thomas Island flight route?

    This flight path from Boston Logan Intl to Saint Thomas Island Cyril E King was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Airlines like Delta and United Airlines fly from Boston to Saint Thomas Island in about 4h 03m. The time it takes to get you to your destination can typically vary by up to 3h 05m. 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 $160, JetBlue will fly you from Boston to Saint Thomas Island and back. In addition to JetBlue, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Spirit Airlines - these airlines can fly you to your destination from $166 and $173, respectively. JetBlue is priced at 63% 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 Spirit Airlines, which is currently one of the cheapest options available, starting at $107. Delta flights start at $122 while deals on JetBlue start at $130 one-way.

  • What are the most reliable airlines from Boston to Saint Thomas Island?

    Before booking your flight to Saint Thomas Island from Boston, check out the most reliable airlines to get you to your destination on time: TAP AIR PORTUGAL (65%), JetBlue (63%), Delta( 48%).

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

    While on average a flight from Boston to Saint Thomas Island is generally $609, our data shows the cheapest flight currently is $98. When looking at the most popular route, (Boston Logan Intl - Saint Thomas Island Cyril E King), you can expect to pay $221 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.

  • 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 Castillo San Felipe del Morro. Travelers on a layover in San Juan can visit Viejo San Juan, Casa Blanca, and Castillo San Felipe del Morro, by traveling 7.7 mi, 7.9 mi, and 8.2 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 $42 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 $28 per day.

  • 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.

  • 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, August is the cheapest month in which you can book a flight from Boston to Saint Thomas Island (average of $123). Flying from Boston to Saint Thomas Island in November is currently the most expensive (average of $296). 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.

Alternative routes for Boston to Saint Thomas Island

See prices for flight routes from nearby airports that may be better suited for you.
Hartford to Saint Thomas Island flights
Albany to Saint Thomas Island flights
Albany to Christiansted flights
Worcester to Saint Thomas Island flights

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 March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$160Average$419FlexibilityNo cancel feeOn-time62%
DeltaCheapest$166Average$425FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$173Average$392FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$218Average$433FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$251Average$501FlexibilityNo cancel feeOn-time71%

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.