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Cheap flights from Boston to Saint Thomas Island from $119

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 10/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Boston to Saint Thomas Island

Cheap round-trip flights

Spirit Airlines Logo
3:00 pm - 9:56 amBOS-STT
18h 56m1 stop
Spirit Airlines Logo
11:01 am - 11:26 amSTT-BOS
24h 25m1 stop
$246Spirit Airlines
Find Deal
Tue, Oct 7 - Tue, Oct 14
Spirit Airlines Logo
8:24 pm - 9:56 amBOS-STT
13h 32m1 stop
Spirit Airlines Logo
11:01 am - 11:59 pmSTT-BOS
12h 58m1 stop
$249Spirit Airlines
Find Deal
Thu, Oct 16 - Tue, Oct 21
Spirit Airlines Logo
6:49 pm - 9:44 amBOS-STT
14h 55m1 stop
Spirit Airlines Logo
11:01 am - 11:59 pmSTT-BOS
12h 58m1 stop
$251Spirit Airlines
Find Deal
Thu, Oct 2 - Tue, Oct 7
Spirit Airlines Logo
6:16 am - 9:56 amBOS-STT
27h 40m1 stop
Spirit Airlines Logo
11:01 am - 11:26 amSTT-BOS
24h 25m1 stop
$253Spirit Airlines
Find Deal
Tue, Oct 7 - Tue, Oct 14
Spirit Airlines Logo
8:24 pm - 9:56 amBOS-STT
13h 32m1 stop
Spirit Airlines Logo
11:01 am - 11:59 pmSTT-BOS
12h 58m1 stop
$255Spirit Airlines
Find Deal
Mon, Oct 27 - Fri, Oct 31
Spirit Airlines Logo
6:10 am - 9:44 amBOS-STT
27h 34m1 stop
Spirit Airlines Logo
10:49 am - 11:57 pmSTT-BOS
13h 08m1 stop
$257Spirit Airlines
Find Deal
Wed, Oct 1 - Sat, Oct 4
JetBlue Logo
10:54 am - 3:57 pmBOS-STT
4h 03mnonstop
JetBlue Logo
4:10 pm - 9:00 pmSTT-BOS
5h 50m1 stop
$302JetBlue
Find Deal
Sat, Nov 29 - Sat, Dec 6
Logo
3:00 pm - 12:28 pmBOS-STT
20h 28m1 stop
Logo
4:06 pm - 8:13 amSTT-BOS
17h 07m1 stop
$310
Find Deal
Tue, Nov 4 - Sun, Nov 9
American Airlines Logo
5:47 am - 4:00 pmBOS-STT
10h 13m1 stop
American Airlines Logo
1:40 pm - 10:20 pmSTT-BOS
8h 40m1 stop
$311American Airlines
Find Deal
Sat, Sep 27 - Sat, Oct 4
JetBlue Logo
8:00 am - 1:06 pmBOS-STT
4h 06mnonstop
JetBlue Logo
2:00 pm - 6:49 pmSTT-BOS
5h 49m1 stop
$316JetBlue
Find Deal
Wed, Dec 31 - Wed, Jan 7

JetBlue flights from Boston to Saint Thomas Island

Our best JetBlue deals on Boston to Saint Thomas Island flight tickets
JetBlue
Nov 29
BOS10:54 amBoston Logan Intl
4h 03m
STT3:57 pmSaint Thomas Island Cyril E King
Dec 6
STT4:10 pmSaint Thomas Island Cyril E King
5h 50m
1 stop
BOS9:00 pmBoston Logan Intl
$302
Find similar
JetBlue
Dec 31
BOS8:00 amBoston Logan Intl
4h 06m
STT1:06 pmSaint Thomas Island Cyril E King
Jan 7
STT2:00 pmSaint Thomas Island Cyril E King
5h 49m
1 stop
BOS6:49 pmBoston Logan Intl
$316
Find similar
JetBlue
Dec 21
BOS8:00 amBoston Logan Intl
4h 06m
STT1:06 pmSaint Thomas Island Cyril E King
Dec 27
STT3:45 pmSaint Thomas Island Cyril E King
5h 54m
1 stop
BOS8:39 pmBoston Logan Intl
$321
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
Oct 7
BOS3:00 pmBoston Logan Intl
18h 56m
1 stop
STT9:56 amSaint Thomas Island Cyril E King
Oct 14
STT11:01 amSaint Thomas Island Cyril E King
24h 25m
1 stop
BOS11:26 amBoston Logan Intl
$246
Find similar
Spirit Airlines
Oct 16
BOS8:24 pmBoston Logan Intl
13h 32m
1 stop
STT9:56 amSaint Thomas Island Cyril E King
Oct 21
STT11:01 amSaint Thomas Island Cyril E King
12h 58m
1 stop
BOS11:59 pmBoston Logan Intl
$249
Find similar
Spirit Airlines
Oct 2
BOS6:49 pmBoston Logan Intl
14h 55m
1 stop
STT9:44 amSaint Thomas Island Cyril E King
Oct 7
STT11:01 amSaint Thomas Island Cyril E King
12h 58m
1 stop
BOS11:59 pmBoston Logan Intl
$251
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 September 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 10/7

3:00 pm-9:56 am

1 stop18h 56m

Saint Thomas Island Cyril E King

Tue 10/14

11:01 am-11:26 am

1 stop24h 25m

$246

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Thu 10/16

8:24 pm-9:56 am

1 stop13h 32m

Saint Thomas Island Cyril E King

Tue 10/21

11:01 am-11:59 pm

1 stop12h 58m

$249

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Thu 10/2

6:49 pm-9:44 am

1 stop14h 55m

Saint Thomas Island Cyril E King

Tue 10/7

11:01 am-11:59 pm

1 stop12h 58m

$251

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Tue 10/7

6:16 am-9:56 am

1 stop27h 40m

Saint Thomas Island Cyril E King

Tue 10/14

11:01 am-11:26 am

1 stop24h 25m

$253

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Mon 10/27

8:24 pm-9:56 am

1 stop13h 32m

Saint Thomas Island Cyril E King

Fri 10/31

11:01 am-11:59 pm

1 stop12h 58m

$255

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Wed 10/1

6:10 am-9:44 am

1 stop27h 34m

Saint Thomas Island Cyril E King

Sat 10/4

10:49 am-11:57 pm

1 stop13h 08m

$257

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Sat 11/29

10:54 am-3:57 pm

Nonstop4h 03m

Saint Thomas Island Cyril E King

Sat 12/6

4:10 pm-9:00 pm

1 stop5h 50m

$302

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Tue 11/4

3:00 pm-12:28 pm

1 stop20h 28m

Saint Thomas Island Cyril E King

Sun 11/9

4:06 pm-8:13 am

1 stop17h 07m

$310

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Sat 9/27

5:47 am-4:00 pm

1 stop10h 13m

Saint Thomas Island Cyril E King

Sat 10/4

1:40 pm-10:20 pm

1 stop8h 40m

$311

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Wed 12/31

8:00 am-1:06 pm

Nonstop4h 06m

Saint Thomas Island Cyril E King

Wed 1/7

2:00 pm-6:49 pm

1 stop5h 49m

$316

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 $403.

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 $438. 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 $672.

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 $544. 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 $487 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 $345 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.

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

As of September 2025, prices for Boston to Saint Thomas Island flights are approximately 29% 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

$218

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 $218. The best round-trip flight deal from Boston to Saint Thomas Island found on momondo in the last 72 hours is $376.
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 near Saint Thomas Island: 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 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
DeltaPriceFrom $169Free CancellationRating
7.9
7,960 reviews
Search Delta flights
Spirit AirlinesPriceFrom $169Free CancellationRating
6.3
8,023 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $221Free CancellationRating
7.4
8,937 reviews
Search United Airlines flights
American AirlinesPriceFrom $227Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
JetBluePriceFrom $260Free CancellationRating
7.2
2,913 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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Find better results for your trip to the U.S. Virgin Islands

Airports servicing U.S. Virgin Islands

Saint Croix Airport