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Cheap flights from Boston to Saint Thomas Island from $125

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Saint Thomas Island departing on 2/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Boston to Saint Thomas Island

Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
8:00 am - 1:05 pm
BOS
-
STT
4h 05mnonstop
JetBlue Logo
2:00 pm - 6:49 pm
STT
-
BOS
5h 49m1 stop
$234JetBlue
Tue, Jan 20 - Fri, Jan 30
JetBlue Logo
9:45 am - 1:46 pm
BOS
-
STT
4h 01mnonstop
JetBlue Logo
2:41 pm - 8:34 pm
STT
-
BOS
5h 53m1 stop
$235JetBlue
Tue, Mar 17 - Fri, Mar 20
Delta Logo
6:00 am - 1:22 pm
BOS
-
STT
6h 22m1 stop
Delta Logo
2:32 pm - 5:53 pm
STT
-
BOS
4h 21mnonstop
$239Delta
Wed, Jan 21 - Fri, Jan 30
JetBlue Logo
9:45 am - 1:46 pm
BOS
-
STT
4h 01mnonstop
JetBlue Logo
2:41 pm - 8:34 pm
STT
-
BOS
5h 53m1 stop
$242JetBlue
Wed, Mar 25 - Sun, Mar 29
Delta Logo
6:55 am - 2:51 pm
BOS
-
STT
7h 56m1 stop
Delta Logo
3:56 pm - 10:54 pm
STT
-
BOS
6h 58m1 stop
$243Delta
Tue, Mar 10 - Wed, Mar 18
American Airlines Logo
5:59 am - 5:39 pm
BOS
-
STT
10h 40m2 stops
American Airlines Logo
6:39 pm - 10:04 am
STT
-
BOS
16h 25m1 stop
$248American Airlines
Mon, Jan 5 - Mon, Jan 12
JetBlue Logo
8:00 am - 1:05 pm
BOS
-
STT
4h 05mnonstop
JetBlue Logo
2:00 pm - 6:49 pm
STT
-
BOS
5h 49m1 stop
$254JetBlue
Thu, Jan 22 - Fri, Jan 30
JetBlue Logo
8:00 am - 1:05 pm
BOS
-
STT
4h 05mnonstop
JetBlue Logo
2:00 pm - 6:49 pm
STT
-
BOS
5h 49m1 stop
$255JetBlue
Sun, Jan 25 - Sun, Feb 1
Delta Logo
6:00 am - 1:22 pm
BOS
-
STT
6h 22m1 stop
Delta Logo
2:32 pm - 5:53 pm
STT
-
BOS
4h 21mnonstop
$259Delta
Wed, Feb 4 - Fri, Feb 6
Delta Logo
6:55 am - 2:51 pm
BOS
-
STT
7h 56m1 stop
Delta Logo
3:56 pm - 10:54 pm
STT
-
BOS
6h 58m1 stop
$263Delta
Tue, Mar 10 - Wed, Mar 11

JetBlue flights from Boston to Saint Thomas Island

Our best JetBlue deals on Boston to Saint Thomas Island flight tickets
JetBlue
Jan 20
BOS8:00 amBoston Logan Intl
4h 05m
STT1:05 pmSaint Thomas Island Cyril E King
Feb 2
STT2:00 pmSaint Thomas Island Cyril E King
5h 49m
1 stop
BOS6:49 pmBoston Logan Intl
$234
Find similar
JetBlue
Mar 25
BOS9:45 amBoston Logan Intl
4h 01m
STT1:46 pmSaint Thomas Island Cyril E King
Mar 29
STT2:41 pmSaint Thomas Island Cyril E King
5h 53m
1 stop
BOS8:34 pmBoston Logan Intl
$242
Find similar
JetBlue
Jan 22
BOS8:00 amBoston Logan Intl
4h 05m
STT1:05 pmSaint Thomas Island Cyril E King
Jan 30
STT2:00 pmSaint Thomas Island Cyril E King
5h 49m
1 stop
BOS6:49 pmBoston Logan Intl
$254
Find similar

Spirit Airlines flights from Boston to Saint Thomas Island

Our best Spirit Airlines deals on Boston to Saint Thomas Island flight tickets
Spirit Airlines
Jan 23
BOS5:27 pmBoston Logan Intl
20h 25m
2 stops
STT2:52 pmSaint Thomas Island Cyril E King
Jan 31
STT3:57 pmSaint Thomas Island Cyril E King
8h 22m
1 stop
BOS11:19 pmBoston Logan Intl
$281
Find similar
Spirit Airlines
Jan 23
BOS5:27 pmBoston Logan Intl
20h 25m
2 stops
STT2:52 pmSaint Thomas Island Cyril E King
Jan 31
STT3:57 pmSaint Thomas Island Cyril E King
8h 22m
1 stop
BOS11:19 pmBoston Logan Intl
$282
Find similar
Spirit Airlines
Jan 23
BOS3:43 pmBoston Logan Intl
22h 09m
1 stop
STT2:52 pmSaint Thomas Island Cyril E King
Jan 29
STT3:57 pmSaint Thomas Island Cyril E King
8h 22m
1 stop
BOS11:19 pmBoston Logan Intl
$286
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 11, 2025.
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

Tue 1/20

8:00 am-1:05 pm

Nonstop4h 05m

Saint Thomas Island Cyril E King

Fri 1/30

2:00 pm-6:49 pm

1 stop5h 49m

$234

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Tue 3/17

9:45 am-1:46 pm

Nonstop4h 01m

Saint Thomas Island Cyril E King

Fri 3/20

2:41 pm-8:34 pm

1 stop5h 53m

$235

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Wed 1/21

6:00 am-1:22 pm

1 stop6h 22m

Saint Thomas Island Cyril E King

Fri 1/30

2:32 pm-5:53 pm

Nonstop4h 21m

$239

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Wed 3/25

9:45 am-1:46 pm

Nonstop4h 01m

Saint Thomas Island Cyril E King

Sun 3/29

2:41 pm-8:34 pm

1 stop5h 53m

$242

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Tue 3/10

6:55 am-2:51 pm

1 stop7h 56m

Saint Thomas Island Cyril E King

Wed 3/18

3:56 pm-10:54 pm

1 stop6h 58m

$243

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Mon 1/5

5:59 am-5:39 pm

2 stops10h 40m

Saint Thomas Island Cyril E King

Mon 1/12

6:39 pm-10:04 am

1 stop16h 25m

$248

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Thu 1/22

8:00 am-1:05 pm

Nonstop4h 05m

Saint Thomas Island Cyril E King

Fri 1/30

2:00 pm-6:49 pm

1 stop5h 49m

$254

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Sun 1/25

8:00 am-1:05 pm

Nonstop4h 05m

Saint Thomas Island Cyril E King

Sun 2/1

2:00 pm-6:49 pm

1 stop5h 49m

$255

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Wed 2/4

6:00 am-1:22 pm

1 stop6h 22m

Saint Thomas Island Cyril E King

Fri 2/6

2:32 pm-5:53 pm

Nonstop4h 21m

$259

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Tue 3/10

6:55 am-2:51 pm

1 stop7h 56m

Saint Thomas Island Cyril E King

Wed 3/11

3:56 pm-10:54 pm

1 stop6h 58m

$263

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Saint Thomas Island from

How to get the cheapest flight ticket from Boston to Saint Thomas Island

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

The month of September is another great option to travel to Saint Thomas Island, with average flight prices from Boston averaging around $390.

What is the cheapest day to depart on your flight to Saint Thomas Island?

On average, the least expensive day to fly to Saint Thomas Island from Boston is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $408. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Boston to Saint Thomas Island for around $646.

What is the cheapest time of day to depart on your flight to Saint Thomas Island?

The cheapest time of day to fly to Saint Thomas Island is at noon when flights can be purchased for as low as $257. Flights to Saint Thomas Island are more costly in the morning, with an average ticket price of $495. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Boston Logan Intl to Saint Thomas Island Cyril E King flight route?

Fly from Boston Logan Intl to Saint Thomas Island Cyril E King for the best Boston Logan Intl - Saint Thomas Island Cyril E King flight prices

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

You are more likely to see cheaper flights to Saint Thomas Island from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Saint Thomas Island for around $474 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Saint Thomas Island from Boston for as low as $339 on momondo.

What cabin class options are available on Boston Logan Intl to Saint Thomas Island Cyril E King flights?

There are 4 cabin classes available to choose from on Boston Logan Intl to Saint Thomas Island Cyril E King flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Boston to Saint Thomas Island flights?

No. A direct flight is the cheapest option for a flight between Boston to Saint Thomas Island.

How have Boston to Saint Thomas Island flight prices changed over time?

As of December 2025, prices for Boston to Saint Thomas Island flights are approximately 31% cheaper when compared to flights at the same time last year.

When to book flights from Boston to Saint Thomas Island

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Saint Thomas Island according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to Saint Thomas Island (BOS to STT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Saint Thomas Island

Best Price Found

$209

Fastest flight time

4h 00m

Direct flights

Every day

Airports in Saint Thomas Island

1 airport
The best one-way flight to Saint Thomas Island from Boston in the past 72 hours is $209. The best round-trip flight deal from Boston to Saint Thomas Island found on momondo in the last 72 hours is $266.
The fastest flight from Boston to Saint Thomas Island takes 4h 00m
Direct flights go from Boston to Saint Thomas Island every day.
There is 1 airport in Saint Thomas Island. From Boston there are direct flights to Saint Thomas Island Cyril E King (STT).
Search flight deals

  • How far is Boston Logan Intl to Saint Thomas Island Cyril E King by plane?

    Boston Logan Intl and Saint Thomas Island Cyril E King are 1696.9 mi apart from one another. 4h 00m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Saint Thomas Island Cyril E King Airport?

    Prices for flights from Boston Logan Intl Airport to Saint Thomas Island Cyril E King Airport were last updated today.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Saint Thomas Island Cyril E King Airport?

  • How old do you have to be to fly from Boston Logan Intl Airport to Saint Thomas Island Cyril E King Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Saint Thomas Island Cyril E King Airport.

  • What documentation or ID do you need to fly to Saint Thomas Island Cyril E King Airport?

    The travel and health documents you'll need for your trip to Saint Thomas Island Cyril E King Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Saint Thomas Island Cyril E King Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Boston to Saint Thomas Island?

  • What is the most popular airline from Boston to Saint Thomas Island?

Best airlines flying from Boston to Saint Thomas Island

Compare and see reviews for airlines that fly from Boston to Saint Thomas Island with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $169Free CancellationRating
6.3
8,179 reviews
Search Spirit Airlines flights
DeltaPriceFrom $170Free CancellationRating
7.9
8,008 reviews
Search Delta flights
United AirlinesPriceFrom $217Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
American AirlinesPriceFrom $227Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
JetBluePriceFrom $238Free CancellationRating
7.2
2,899 reviews
Search JetBlue flights

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

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Saint Thomas Island?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Boston to Saint Thomas Island. momondo saves you time and could save you money on your trip.

Can I find flights from Boston to Saint Thomas Island with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Saint Thomas Island from Boston with this policy.

How can momondo help me find flights from Boston to Saint Thomas Island?

momondo provides multiple filters to help you find the best flight to Saint Thomas Island from Boston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Boston to Saint Thomas Island right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Boston to Saint Thomas Island flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Saint Thomas Island trip

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