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

Currently priced at $282, 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 $291 and $296, respectively. Spirit Airlines is priced at 43% 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 $139. American Airlines flights start at $154 while deals on Delta start at $178 one-way.

What is the cheapest day to fly from Boston to Saint Thomas Island?

Travelers seeking maximum savings on their Boston to Saint Thomas Island flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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

While on average a flight from Boston to Saint Thomas Island is generally $587, our data shows the cheapest flight currently is $188. When looking at the most popular route, (Boston Logan Intl - Saint Thomas Island Cyril E King), you can expect to pay $266 for that flight.

What are the most popular airlines that fly from Boston to Saint Thomas Island?

When booking a flight from Boston to Saint Thomas Island, you may want to consider flying on American Airlines, JetBlue or Delta as they are the most popular for this route.

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.

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.

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 $49 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 $24 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 $72 per day to make their sightseeing more efficient.

What is the cheapest day to fly round-trip from Boston to Saint Thomas Island?

Tuesday is generally a great day to depart. Flying on this day could help you save up to 69%.

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

Users have found that booking a flight from Boston to Saint Thomas Island at least 38 days early can save you up to 45% on average compared to booking a flight this week. If booking 38 days before your flight isn’t an option for you, users have found flights from Boston to Saint Thomas Island for as little as $388 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $616 for flights departing within the next 3 days.

What is the cheapest month to fly from Boston to Saint Thomas Island?

Flights from Boston to Saint Thomas Island lean towards being more expensive in February. Prices are generally better when you fly from Boston to Saint Thomas Island in January, with the cheapest ticket starting at $196.

Most accurate provider : When it comes to deals on Boston-Saint Thomas Island flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Boston-Saint Thomas Island flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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.

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.

$139+ Flights from Boston to Saint Thomas Island - Compare & Save Big

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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”

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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.

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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 37 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from Boston to Saint Thomas Island

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$282 (Cheapflightsfares)
One-way from	$139 (Cheapflightsfares)
Popular in	February
Cheapest in	January
Average price	$619
Good round-trip deal	$491 or less
Good one-way deal	$263 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

Search Deals

Highest demand for flights based on searches. 2% potential increase in price ($10 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 April 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 April 25, 2025.

Thu 5/295:45 amBOS - STT

1 stop6h 41mSpirit Airlines

Sat 6/71:21 pmSTT - BOS

1 stop10h 26mSpirit Airlines

Deal found 4/24

$282

Mon 6/27:50 pmBOS - STT

1 stop16h 54mAmerican Airlines

Thu 6/54:00 pmSTT - BOS

2 stops15h 20mAmerican Airlines

Deal found 4/24

$291

Fri 5/96:55 amBOS - STT

1 stop8h 15mDelta

Wed 5/142:51 pmSTT - BOS

1 stop9h 42mDelta

Deal found 4/25

$296

Sat 9/68:35 amBOS - STT

Nonstop4h 04mJetBlue

Wed 9/103:00 pmSTT - BOS

1 stop8h 04mJetBlue

Deal found 4/24

$358

Sat 4/265:30 amBOS - STT

2 stops11h 30mUnited Airlines

Sat 5/31:17 pmSTT - BOS

1 stop10h 09mUnited Airlines

Deal found 4/25

$479

Best flights from Boston to Saint Thomas Island
Discover carefully curated flight deals from Boston to Saint Thomas Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 25, 2025.

Thu 5/295:45 amBOS - STT

1 stop6h 41mSpirit Airlines

Sat 6/71:21 pmSTT - BOS

1 stop10h 26mSpirit Airlines

Deal found 4/24

$282

Mon 6/27:50 pmBOS - STT

1 stop16h 54mAmerican Airlines

Thu 6/54:00 pmSTT - BOS

2 stops15h 20mAmerican Airlines

Deal found 4/24

$291

Fri 5/96:55 amBOS - STT

1 stop8h 15mDelta

Wed 5/142:51 pmSTT - BOS

1 stop9h 42mDelta

Deal found 4/25

$296

Wed 5/217:00 amBOS - STT

1 stop8h 53mJetBlue

Sat 5/242:32 pmSTT - BOS

1 stop6h 02mJetBlue

Deal found 4/23

$413

Fri 5/25:30 amBOS - STT

1 stop7h 31mUnited Airlines

Sat 5/31:17 pmSTT - BOS

1 stop10h 09mUnited Airlines

Deal found 4/25

$419

Sun 5/49:09 pmBOS - STT

1 stop15h 05mMultiple Airlines

Fri 5/95:45 pmSTT - BOS

3 stops22h 11mMultiple Airlines

Deal found 4/24

$489

Last-minute flights from Boston to Saint Thomas Island
Discover last-minute flight deals from Boston to Saint Thomas Island. Data last updated April 25, 2025 and is based on user searches.

Fri 5/25:30 amBOS - STT

1 stop7h 31mUnited Airlines

Sat 5/31:17 pmSTT - BOS

1 stop10h 09mUnited Airlines

Deal found 4/25

$419

Sat 5/38:25 amBOS - STT

Nonstop4h 02mJetBlue

Sat 5/101:45 pmSTT - BOS

1 stop6h 01mJetBlue

Deal found 4/24

$420

Sun 5/49:09 pmBOS - STT

1 stop15h 05mSpirit Airlines

Fri 5/91:21 pmSTT - BOS

1 stop10h 26mSpirit Airlines

Deal found 4/24

$312

Sun 5/49:09 pmBOS - STT

1 stop15h 05mMultiple Airlines

Fri 5/95:45 pmSTT - BOS

3 stops22h 11mMultiple Airlines

Deal found 4/24

$489

Mon 5/56:00 amBOS - STT

2 stops10h 20mAmerican Airlines

Sat 5/315:05 pmSTT - BOS

1 stop17h 39mAmerican Airlines

Deal found 4/25

$394

Fri 5/96:55 amBOS - STT

1 stop8h 15mDelta

Wed 5/142:51 pmSTT - BOS

1 stop9h 42mDelta

Deal found 4/25

$296

Sat 5/106:00 amBOS - STT

2 stops28h 14mMultiple Airlines

Tue 5/2010:52 amSTT - BOS

3 stops36h 04mMultiple Airlines

Deal found 4/24

$564

Fri 5/166:00 amBOS - STT

2 stops10h 20mAmerican Airlines

Wed 5/211:25 pmSTT - BOS

1 stop9h 24mAmerican Airlines

Deal found 4/24

$291

Wed 5/217:00 amBOS - STT

1 stop8h 53mJetBlue

Sat 5/242:32 pmSTT - BOS

1 stop6h 02mJetBlue

Deal found 4/23

$413

Thu 5/295:45 amBOS - STT

1 stop6h 41mSpirit Airlines

Sat 6/71:21 pmSTT - BOS

1 stop10h 26mSpirit Airlines

Deal found 4/24

$282

One-way flights from Boston to Saint Thomas Island
Search for one-way flight options from Boston to Saint Thomas Island. Find affordable one-way fares based on user searches. Data last updated April 25, 2025.

Sun 5/185:45 amBOS - STT

1 stop6h 41mSpirit Airlines

Deal found 4/24

$139

Thu 5/156:00 amBOS - STT

2 stops10h 20mAmerican Airlines

Deal found 4/24

$154

Fri 5/26:00 amBOS - STT

1 stop6h 43mDelta

Deal found 4/25

$178

Wed 5/217:00 amBOS - STT

1 stop8h 53mJetBlue

Deal found 4/23

$206

Sun 6/226:05 amBOS - STT

1 stop7h 03mUnited Airlines

Deal found 4/24

$213

Mon 5/2612:50 pmBOS - STT

3 stops45h 07mMultiple Airlines

Deal found 4/25

$215

Cheapflights Fare Finder

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

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Thu 5/29

5:45 am-3:30 pm

1 stop9h 45m

Saint Thomas Island Cyril E King

Thu 6/12

3:03 pm-11:47 pm

1 stop8h 44m

$282

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Mon 6/2

7:50 pm-12:44 pm

1 stop16h 54m

Saint Thomas Island Cyril E King

Thu 6/5

4:00 pm-7:20 am

2 stops15h 20m

$291

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Fri 5/9

6:55 am-3:10 pm

1 stop8h 15m

Saint Thomas Island Cyril E King

Wed 5/14

2:51 pm-12:33 am

1 stop9h 42m

$296

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Wed 5/21

7:00 am-3:53 pm

1 stop8h 53m

Saint Thomas Island Cyril E King

Sat 5/24

2:32 pm-8:34 pm

1 stop6h 02m

$413

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Fri 5/2

5:30 am-1:01 pm

1 stop7h 31m

Saint Thomas Island Cyril E King

Sat 5/3

1:17 pm-11:26 pm

1 stop10h 09m

$419

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Sun 5/4

9:09 pm-12:14 pm

1 stop15h 05m

Saint Thomas Island Cyril E King

Fri 5/9

5:45 pm-3:56 pm

3 stops22h 11m

$489

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Sun 5/18

5:45 am-12:26 pm

1 stop6h 41m

$139

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Fri 5/30

7:50 pm-12:44 pm

1 stop16h 54m

$159

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Fri 5/2

6:00 am-12:43 pm

1 stop6h 43m

$178

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Wed 5/21

7:00 am-3:53 pm

1 stop8h 53m

$206

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Showing 1-10 of 12 results

Compare providers for flights from Boston to Saint Thomas Island

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 April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapfaremart	Price Accuracy-	Trust Score*1 star
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
CheapOair	Price Accuracy1 star	Trust 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Boston-Saint Thomas Island flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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?

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 $640). 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?

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 52% versus a flight in the morning.

Reviews of airlines servicing Saint Thomas Island

See what other customers who have flown with Delta, United Airlines and JetBlue 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.

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,920 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,685 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

JetBlue

7.3

Good

2,922 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Spirit Airlines

6.3

Okay

7,943 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines flying from Boston to Saint Thomas Island round-trip?
Currently priced at $282, 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 $291 and $296, respectively. Spirit Airlines is priced at 43% 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 $139. American Airlines flights start at $154 while deals on Delta 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 $587, our data shows the cheapest flight currently is $188. When looking at the most popular route, (Boston Logan Intl - Saint Thomas Island Cyril E King), you can expect to pay $266 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 $49 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 $24 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 $72 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 $640). 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

St. John

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Boston to Saint Thomas Island

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$167	Average$463	FlexibilityNo cancel fee	On-timeN/A
Spirit Airlines	Cheapest$168	Average$342	FlexibilityNo cancel fee	On-time65%
United Airlines	Cheapest$222	Average$515	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$228	Average$527	FlexibilityNo cancel fee	On-time71%
JetBlue	Cheapest$270	Average$536	FlexibilityNo cancel fee	On-time62%

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$139+ 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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Boston to Saint Thomas Island with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Boston Logan Intl to Saint Thomas Island Cyril E King are usually found in January or September, 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

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Boston to Saint Thomas Island

Cheapest flights from Boston to Saint Thomas IslandExplore 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 April 25, 2025.

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 April 25, 2025.

Cheapflights Fare Finder

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

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 April.

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.

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 April 18, 2025.

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

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 April 25, 2025.

Reviews of airlines servicing Saint Thomas Island

See what other customers who have flown with Delta, United Airlines and JetBlue 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.

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?

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

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

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

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

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

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

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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 April 25, 2025.