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Saint Thomas Island

$142+ 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 7/26. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — STT
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
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 30, 2025.

Round-trip from

$287
(Cheapflightsfares)

One-way from

$142
(FlightHub)

Popular in

April

Cheapest in

January

Average price

$559

Good round-trip deal

$612 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 ($45 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 30, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/29. 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 7/168:39 pmBOS - STT
1 stop13h 09mSpirit Airlines
Wed 7/2310:43 amSTT - BOS
1 stop8h 51mSpirit Airlines
Deal found 6/29$287
This JetBlue deal was found by Cheapflights users on 6/30. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/19:25 amBOS - STT
Nonstop3h 59mJetBlue
Sat 11/82:30 pmSTT - BOS
1 stop6h 01mJetBlue
Deal found 6/30$302
This American Airlines deal was found by Cheapflights users on 6/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/26:00 amBOS - STT
2 stops10h 00mAmerican Airlines
Sat 10/45:10 pmSTT - BOS
2 stops15h 12mAmerican Airlines
Deal found 6/27$311

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 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

Wed 7/16

8:39 pm-9:48 am

1 stop13h 09m

Saint Thomas Island Cyril E King

Wed 7/23

10:43 am-7:34 pm

1 stop8h 51m

$287

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Mon 9/8

6:29 pm-12:48 pm

2 stops18h 19m

Saint Thomas Island Cyril E King

Thu 9/11

1:40 pm-7:14 am

2 stops17h 34m

$311

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Wed 9/17

5:35 am-1:33 pm

1 stop7h 58m

Saint Thomas Island Cyril E King

Wed 9/24

2:43 pm-1:18 am

1 stop10h 35m

$349

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Sat 7/26

6:15 am-3:10 pm

1 stop8h 55m

$142

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Tue 7/29

5:55 am-3:55 pm

2 stops10h 00m

$164

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Sat 7/12

8:40 am-12:45 pm

Nonstop4h 05m

$178

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Sun 7/13

6:05 am-1:08 pm

1 stop7h 03m

$209

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Sat 7/12

6:05 am-12:17 pm

1 stop6h 12m

$233

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

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 27, 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 $648). 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 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.

How much does it cost to fly round-trip from Boston to Saint Thomas Island?

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 30, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and JetBlue 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
8.0
Very good
7,973 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,973 reviews
Delta
8.0
Very good
7,973 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,852 reviews
Delta
8.0
Very good
7,973 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
JetBlue
7.3
Good
2,920 reviews
Delta
8.0
Very good
7,973 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,973 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Spirit Airlines
6.3
Okay
8,094 reviews
Delta
8.0
Very good
7,973 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $287, 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 Delta - these airlines can fly you to your destination from $311 and $349, 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 $142. American Airlines flights start at $164 while deals on JetBlue start at $178 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 $513, 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 $285 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 $46 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 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 $23 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 $648). 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$167Average$455FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$170Average$336FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$224Average$509FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$228Average$525FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$263Average$535FlexibilityNo cancel feeOn-time62%

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