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Cheap flights from Boston to Saint Thomas Island from $113

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 5/12. 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.
American Airlines Logo
6:00 am - 4:15 pm
BOS
-
STT
10h 15m
2 stops
American Airlines Logo
12:25 pm - 11:35 pm
STT
-
BOS
11h 10m
2 stops
$230American Airlines
Sun, May 10 - Tue, May 19
United Airlines Logo
5:45 am - 5:00 pm
BOS
-
STT
11h 15m
2 stops
United Airlines Logo
1:22 pm - 11:35 pm
STT
-
BOS
10h 13m
1 stop
$247United Airlines
Sat, May 9 - Tue, May 19
United Airlines Logo
6:00 am - 1:08 pm
BOS
-
STT
7h 08m
1 stop
United Airlines Logo
1:22 pm - 11:35 pm
STT
-
BOS
10h 13m
1 stop
$255United Airlines
Thu, May 7 - Tue, May 19
American Airlines Logo
6:00 am - 2:49 pm
BOS
-
STT
8h 49m
2 stops
American Airlines Logo
5:05 pm - 10:02 am
STT
-
BOS
16h 57m
1 stop
$260American Airlines
Wed, May 6 - Mon, May 11
JetBlue Logo
10:00 am - 2:03 pm
BOS
-
STT
4h 03mnonstop
JetBlue Logo
2:58 pm - 8:37 pm
STT
-
BOS
5h 39m
1 stop
$296JetBlue
Fri, Jul 10 - Tue, Jul 14
American Airlines Logo
6:00 am - 1:35 pm
BOS
-
STT
7h 35m
1 stop
American Airlines Logo
12:47 pm - 11:35 pm
STT
-
BOS
10h 48m
1 stop
$300American Airlines
Fri, May 8 - Tue, May 19
JetBlue Logo
10:00 am - 2:03 pm
BOS
-
STT
4h 03mnonstop
JetBlue Logo
2:58 pm - 8:37 pm
STT
-
BOS
5h 39m
1 stop
$301JetBlue
Fri, Aug 28 - Fri, Sep 4
American Airlines Logo
6:00 am - 4:15 pm
BOS
-
STT
10h 15m
2 stops
American Airlines Logo
1:15 pm - 11:35 pm
STT
-
BOS
10h 20m
2 stops
$302American Airlines
Sun, May 10 - Tue, May 19
Delta Logo
6:55 am - 3:00 pm
BOS
-
STT
8h 05m
1 stop
Delta Logo
3:02 pm - 1:06 am
STT
-
BOS
10h 04m
1 stop
$310Delta
Sat, Aug 29 - Wed, Sep 2
Multiple Airlines Logo
7:00 am - 2:16 pm
BOS
-
STT
7h 16m
1 stop
Multiple Airlines Logo
2:00 pm - 7:48 pm
STT
-
BOS
5h 48m
1 stop
$315Multiple Airlines
Sat, Jun 6 - Sat, Jun 13

JetBlue flights from Boston to Saint Thomas Island

Our best JetBlue deals on Boston to Saint Thomas Island flight tickets
JetBlue
Jun 23
BOS10:00 amBoston Logan Intl
4h 03m
STT2:03 pmSaint Thomas Island Cyril E King
Jun 26
STT3:18 pmSaint Thomas Island Cyril E King
5h 39m
1 stop
BOS8:57 pmBoston Logan Intl
$296
JetBlue
Aug 28
BOS10:00 amBoston Logan Intl
4h 03m
STT2:03 pmSaint Thomas Island Cyril E King
Sep 4
STT2:58 pmSaint Thomas Island Cyril E King
5h 39m
1 stop
BOS8:37 pmBoston Logan Intl
$301
JetBlue
Aug 25
BOS10:00 amBoston Logan Intl
4h 03m
STT2:03 pmSaint Thomas Island Cyril E King
Aug 28
STT2:58 pmSaint Thomas Island Cyril E King
5h 39m
1 stop
BOS8:37 pmBoston Logan Intl
$321

Spirit Airlines flights from Boston to Saint Thomas Island

Our best Spirit Airlines deals on Boston to Saint Thomas Island flight tickets
Spirit Airlines
May 16
BOS7:00 amBoston Logan Intl
7h 16m
1 stop
STT2:16 pmSaint Thomas Island Cyril E King
May 23
STT1:52 pmSaint Thomas Island Cyril E King
10h 02m
1 stop
BOS11:54 pmBoston Logan Intl
$319
Spirit Airlines
May 16
BOS7:00 amBoston Logan Intl
7h 16m
1 stop
STT2:16 pmSaint Thomas Island Cyril E King
May 23
STT1:52 pmSaint Thomas Island Cyril E King
10h 02m
1 stop
BOS11:54 pmBoston Logan Intl
$339
Spirit Airlines
May 16
BOS7:00 amBoston Logan Intl
7h 16m
1 stop
STT2:16 pmSaint Thomas Island Cyril E King
May 23
STT1:52 pmSaint Thomas Island Cyril E King
10h 02m
1 stop
BOS11:54 pmBoston Logan Intl
$352

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 April 27, 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

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Sun 5/10

6:00 am-4:15 pm

2 stops10h 15m

Saint Thomas Island Cyril E King

Tue 5/19

12:25 pm-11:35 pm

2 stops11h 10m

$230

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Sat 5/9

5:45 am-5:00 pm

2 stops11h 15m

Saint Thomas Island Cyril E King

Tue 5/19

1:22 pm-11:35 pm

1 stop10h 13m

$247

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Thu 5/7

6:00 am-1:08 pm

1 stop7h 08m

Saint Thomas Island Cyril E King

Tue 5/19

1:22 pm-11:35 pm

1 stop10h 13m

$255

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Wed 5/6

6:00 am-2:49 pm

2 stops8h 49m

Saint Thomas Island Cyril E King

Mon 5/11

5:05 pm-10:02 am

1 stop16h 57m

$260
Quickest round-trip

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Fri 7/10

10:00 am-2:03 pm

Nonstop4h 03m

Saint Thomas Island Cyril E King

Tue 7/14

2:58 pm-8:37 pm

1 stop5h 39m

$296

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Fri 5/8

6:00 am-1:35 pm

1 stop7h 35m

Saint Thomas Island Cyril E King

Tue 5/19

12:47 pm-11:35 pm

1 stop10h 48m

$300

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Fri 8/28

10:00 am-2:03 pm

Nonstop4h 03m

Saint Thomas Island Cyril E King

Fri 9/4

2:58 pm-8:37 pm

1 stop5h 39m

$301

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Sun 5/10

6:00 am-4:15 pm

2 stops10h 15m

Saint Thomas Island Cyril E King

Tue 5/19

1:15 pm-11:35 pm

2 stops10h 20m

$302

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Sat 8/29

6:55 am-3:00 pm

1 stop8h 05m

Saint Thomas Island Cyril E King

Wed 9/2

3:02 pm-1:06 am

1 stop10h 04m

$310

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Sat 6/6

7:00 am-2:16 pm

1 stop7h 16m

Saint Thomas Island Cyril E King

Sat 6/13

2:00 pm-7:48 pm

1 stop5h 48m

$315

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 typical price of a round-trip flight between Boston and Saint Thomas Island?

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

The month of January is another great option to travel to Saint Thomas Island, with average flight prices from Boston averaging around $381.

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 Tuesday. momondo users have found tickets for Tuesday departures for as low as $326. 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 $537.

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 from Boston 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 $451 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 $320 on momondo.

What cabin class options are available on Boston to Saint Thomas Island flights?

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

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

As of April 2026, prices for Boston to Saint Thomas Island flights are approximately 45% 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

$124

Fastest flight time

4h 03m

Direct flights

Wed, Sat and Sun

Airports in Saint Thomas Island

1 airport
The best one-way flight to Saint Thomas Island from Boston in the past 72 hours is $124. The best round-trip flight deal from Boston to Saint Thomas Island found on momondo in the last 72 hours is $381.
The fastest flight from Boston to Saint Thomas Island takes 4h 03m
Direct flights go from Boston to Saint Thomas Island on Wednesday, Saturday and Sunday. There are no airlines offering direct flights.
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

Frequently asked questions about flying from Boston to Saint Thomas Island

  • 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 03m 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
JetBluePriceFrom $158Free CancellationRating
7.1
2,963 reviews
Search JetBlue flights
DeltaPriceFrom $175Free CancellationRating
7.9
8,462 reviews
Search Delta flights
United AirlinesPriceFrom $228Free CancellationRating
7.4
9,668 reviews
Search United Airlines flights
American AirlinesPriceFrom $232Free CancellationRating
7.1
11,667 reviews
Search American Airlines flights
Spirit AirlinesPriceFrom $257Free CancellationRating
6.3
8,633 reviews
Search Spirit Airlines flights

  • JetBlue Flights From Boston to Saint Thomas Island

    Across 5 JetBlue flights from Boston to Saint Thomas Island this week, the average price was $413, with the best JetBlue deals starting from $158 round-trip. 2,963 users have rated JetBlue on momondo, with an average score of 7.1/10.

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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