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Saint Thomas Island

$134+ 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 6/30. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — STT
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
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 August, booked 37 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 June 18, 2025.

Round-trip from

$284
(Cheapflightsfares)

One-way from

$134
(FlightHub)

Popular in

April

Cheapest in

January

Average price

$559

Good round-trip deal

$490 or less

Good one-way deal

$238 or less
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 ($44 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 June 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 June 18, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/17. 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 7/208:35 pmBOS - STT
1 stop15h 55mSpirit Airlines
Wed 7/301:25 pmSTT - BOS
1 stop9h 38mSpirit Airlines
Deal found 6/17$284
This American Airlines deal was found by Cheapflights users on 6/17. 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 9/87:30 pmBOS - STT
2 stops17h 18mAmerican Airlines
Thu 9/115:10 pmSTT - BOS
2 stops17h 02mAmerican Airlines
Deal found 6/17$311
This JetBlue deal was found by Cheapflights users on 6/17. 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.
Sat 7/128:40 amBOS - STT
Nonstop4h 05mJetBlue
Tue 7/152:23 pmSTT - BOS
1 stop7h 12mJetBlue
Deal found 6/17$378
This Mytrip deal was found by Cheapflights users on 6/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1112:46 pmBOS - STT
2 stops21h 02mMultiple Airlines
Fri 8/1511:19 amSTT - BOS
1 stop12h 30mMultiple Airlines
Deal found 6/18$393
This United Airlines deal was found by Cheapflights users on 6/18. 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.
Sun 11/96:00 amBOS - STT
1 stop9h 18mUnited Airlines
Wed 11/191:02 pmSTT - BOS
1 stop6h 46mUnited Airlines
Deal found 6/18$429

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 June 18, 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 7/20

8:35 pm-12:30 pm

1 stop15h 55m

Saint Thomas Island Cyril E King

Wed 7/30

1:25 pm-11:03 pm

1 stop9h 38m

$284

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Mon 9/8

7:30 pm-12:48 pm

2 stops17h 18m

Saint Thomas Island Cyril E King

Thu 9/11

5:10 pm-10:12 am

2 stops17h 02m

$311

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Sat 7/12

8:40 am-12:45 pm

Nonstop4h 05m

Saint Thomas Island Cyril E King

Tue 7/15

2:23 pm-9:35 pm

1 stop7h 12m

$378

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Mon 8/11

12:46 pm-9:48 am

2 stops21h 02m

Saint Thomas Island Cyril E King

Fri 8/15

11:19 am-11:49 pm

1 stop12h 30m

$393

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Sun 11/9

6:00 am-4:18 pm

1 stop9h 18m

Saint Thomas Island Cyril E King

Wed 11/19

1:02 pm-6:48 pm

1 stop6h 46m

$429

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Mon 6/30

4:44 pm-9:48 am

1 stop17h 04m

$134

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Mon 9/15

7:36 am-4:00 pm

1 stop8h 24m

$164

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Wed 6/25

5:25 am-3:43 pm

1 stop10h 18m

$183

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Sat 8/16

8:35 am-12:36 pm

Nonstop4h 01m

$203

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Mon 6/30

12:53 pm-12:29 pm

3 stops23h 36m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/18

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 June 13, 2025.

Booking 37 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, September is the cheapest month in which you can book a flight from Boston to Saint Thomas Island (average of $433). Flying from Boston to Saint Thomas Island in June is currently the most expensive (average of $651). 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 June 18, 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 June 18, 2025.
See what other customers who have flown with United Airlines, JetBlue and American Airlines from Boston to Saint Thomas Island have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,810 reviews

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,810 reviews
United Airlines
7.4
Good
8,810 reviews

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
JetBlue
7.3
Good
2,924 reviews
United Airlines
7.4
Good
8,810 reviews

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,810 reviews

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Spirit Airlines
6.3
Okay
8,065 reviews
United Airlines
7.4
Good
8,810 reviews

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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

    Currently priced at $284, 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 American Airlines and JetBlue - these airlines can fly you to your destination from $311 and $378, respectively. Spirit Airlines is priced at 41% 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 $134. American Airlines flights start at $164 while deals on United Airlines start at $183 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 $495, our data shows the cheapest flight currently is $198. When looking at the most popular route, (Boston Logan Intl - Saint Thomas Island Cyril E King), you can expect to pay $270 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. New York 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 Museo de Arte Contemporaneo de Puerto Rico. Travelers on a layover in San Juan can visit Viejo San Juan, Casa Blanca, and Museo de Arte Contemporaneo de Puerto Rico, by traveling 7.7 mi, 7.9 mi, and 4.7 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?

    Wynwood Art District, Bayfront Park, and Bayside Marketplace are the most popular attractions in Miami if you're in need of something to do during your layover. Wynwood Art District, Bayfront Park, and Bayside Marketplace can be accessed by traveling approximately 5.5 mi, 6.4 mi, and 6.4 mi, respectively from Miami. Travelers in need of a car in Miami can rent one for about $22 per day.

  • What are points of interest worth seeing during a layover in New York?

    Times Square, New York City Center, and Madison Square Garden are currently the most popular points of interest in New York. Times Square, New York City Center, and Madison Square Garden can be accessed by traveling approximately 13.6 mi, 13.6 mi, and 13.6 mi, respectively from New York John F Kennedy Intl. Travelers can book a car rental at New York John F Kennedy Intl for about $71 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. Philadelphia sees the next fewest layovers on Boston to Saint Thomas Island flights. Fort Lauderdale 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, September is the cheapest month in which you can book a flight from Boston to Saint Thomas Island (average of $433). Flying from Boston to Saint Thomas Island in June is currently the most expensive (average of $651). 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.

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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 June 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$166Average$448FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$170Average$339FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$224Average$510FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$228Average$522FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$263Average$534FlexibilityNo cancel feeOn-time62%

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