Cheap flights from Boston to Saint Martin Island from $81

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 Martin Island departing on 5/17. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:09 pm - 1:56 pm
BOS
-
SXM
20h 47m
1 stop
American Airlines Logo
4:35 pm - 12:59 am
SXM
-
BOS
8h 24m
1 stop
$297American Airlines
Fri, May 1 - Wed, May 6
American Airlines Logo
5:09 pm - 1:56 pm
BOS
-
SXM
20h 47m
1 stop
American Airlines Logo
4:35 pm - 8:26 am
SXM
-
BOS
15h 51m
2 stops
$301American Airlines
Fri, May 1 - Wed, May 6
Delta Logo
6:00 am - 2:06 pm
BOS
-
SXM
8h 06m
1 stop
Delta Logo
3:35 pm - 7:22 am
SXM
-
BOS
15h 47m
1 stop
$305Delta
Sat, May 16 - Sat, May 23
United Airlines Logo
7:27 pm - 12:33 pm
BOS
-
SXM
17h 06m
1 stop
United Airlines Logo
3:50 pm - 11:59 pm
SXM
-
BOS
8h 09m
1 stop
$310United Airlines
Tue, Jun 2 - Tue, Jun 9
United Airlines Logo
5:45 am - 12:33 pm
BOS
-
SXM
6h 48m
1 stop
United Airlines Logo
3:50 pm - 9:39 am
SXM
-
BOS
17h 49m
2 stops
$315United Airlines
Tue, Jun 2 - Tue, Jun 9
Spirit Airlines Logo
5:45 am - 1:30 pm
BOS
-
SXM
7h 45m
1 stop
Spirit Airlines Logo
2:35 pm - 11:54 pm
SXM
-
BOS
9h 19m
1 stop
$321Spirit Airlines
Sat, May 16 - Sat, May 30
United Airlines Logo
5:45 am - 12:33 pm
BOS
-
SXM
6h 48m
1 stop
United Airlines Logo
3:50 pm - 11:01 am
SXM
-
BOS
19h 11m
2 stops
$322United Airlines
Wed, Apr 29 - Sat, May 2
Spirit Airlines Logo
10:25 am - 1:37 pm
BOS
-
SXM
27h 12m
3 stops
Spirit Airlines Logo
2:35 pm - 11:54 pm
SXM
-
BOS
9h 19m
1 stop
$327Spirit Airlines
Sat, May 2 - Sat, May 9
Multiple Airlines Logo
10:45 am - 5:00 pm
BOS
-
SXM
30h 15m
1 stop
Multiple Airlines Logo
11:30 am - 8:50 pm
SXM
-
BOS
9h 20m
1 stop
$330Multiple Airlines
Wed, Jun 3 - Sun, Jun 7
Air Canada Logo
5:50 am - 5:00 pm
BOS
-
SXM
11h 10m
2 stops
Air Canada Logo
6:00 pm - 2:47 pm
SXM
-
BOS
20h 47m
2 stops
$332Air Canada
Sat, Jun 6 - Sat, Jun 13

American Airlines flights from Boston to Saint Martin Island

Our best American Airlines deals on Boston to Saint Martin Island flight tickets
American Airlines
May 1
BOS5:09 pmBoston Logan Intl
20h 47m
1 stop
SXM1:56 pmSimpson Bay Princess Juliana
May 6
SXM4:35 pmSimpson Bay Princess Juliana
8h 24m
1 stop
BOS12:59 amBoston Logan Intl
$297
American Airlines
Apr 25
BOS6:53 pmBoston Logan Intl
18h 27m
2 stops
SXM1:20 pmSimpson Bay Princess Juliana
May 9
SXM3:32 pmSimpson Bay Princess Juliana
16h 54m
2 stops
BOS8:26 amBoston Logan Intl
$298
American Airlines
Apr 24
BOS6:20 pmBoston Logan Intl
17h 17m
1 stop
SXM11:37 amSimpson Bay Princess Juliana
Apr 29
SXM4:35 pmSimpson Bay Princess Juliana
17h 27m
1 stop
BOS10:02 amBoston Logan Intl
$300

Delta flights from Boston to Saint Martin Island

Our best Delta deals on Boston to Saint Martin Island flight tickets
Delta
May 16
BOS6:00 amBoston Logan Intl
8h 06m
1 stop
SXM2:06 pmSimpson Bay Princess Juliana
May 23
SXM3:35 pmSimpson Bay Princess Juliana
15h 47m
1 stop
BOS7:22 amBoston Logan Intl
$305
Delta
Apr 26
BOS7:50 pmBoston Logan Intl
18h 15m
1 stop
SXM2:05 pmSimpson Bay Princess Juliana
May 8
SXM3:20 pmSimpson Bay Princess Juliana
18h 26m
1 stop
BOS9:46 amBoston Logan Intl
$313
Delta
Apr 20
BOS8:45 pmBoston Logan Intl
17h 20m
1 stop
SXM2:05 pmSimpson Bay Princess Juliana
Apr 23
SXM3:30 pmSimpson Bay Princess Juliana
15h 59m
1 stop
BOS7:29 amBoston Logan Intl
$332

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Saint Martin 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 18, 2026.
Use the filters below to find and compare flights from Boston to Saint Martin Island that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonSimpson Bay

BOS - SXM

BOSSXM

Boston Logan Intl

Fri 5/1

5:09 pm-1:56 pm

1 stop20h 47m

Simpson Bay Princess Juliana

Wed 5/6

4:35 pm-12:59 am

1 stop8h 24m

$297

BostonSimpson Bay

BOS - SXM

BOSSXM

Boston Logan Intl

Fri 5/1

5:09 pm-1:56 pm

1 stop20h 47m

Simpson Bay Princess Juliana

Wed 5/6

4:35 pm-8:26 am

2 stops15h 51m

$301

BostonSimpson Bay

BOS - SXM

BOSSXM

Boston Logan Intl

Sat 5/16

6:00 am-2:06 pm

1 stop8h 06m

Simpson Bay Princess Juliana

Sat 5/23

3:35 pm-7:22 am

1 stop15h 47m

$305

BostonSimpson Bay

BOS - SXM

BOSSXM

Boston Logan Intl

Tue 6/2

7:27 pm-12:33 pm

1 stop17h 06m

Simpson Bay Princess Juliana

Tue 6/9

3:50 pm-11:59 pm

1 stop8h 09m

$310

BostonSimpson Bay

BOS - SXM

BOSSXM

Boston Logan Intl

Tue 6/2

5:45 am-12:33 pm

1 stop6h 48m

Simpson Bay Princess Juliana

Tue 6/9

3:50 pm-9:39 am

2 stops17h 49m

$315
Quickest round-trip

BostonSimpson Bay

BOS - SXM

BOSSXM

Boston Logan Intl

Sat 5/16

5:45 am-1:30 pm

1 stop7h 45m

Simpson Bay Princess Juliana

Sat 5/30

2:35 pm-11:54 pm

1 stop9h 19m

$321

BostonSimpson Bay

BOS - SXM

BOSSXM

Boston Logan Intl

Wed 4/29

5:45 am-12:33 pm

1 stop6h 48m

Simpson Bay Princess Juliana

Sat 5/2

3:50 pm-11:01 am

2 stops19h 11m

$322

BostonSimpson Bay

BOS - SXM

BOSSXM

Boston Logan Intl

Sat 5/2

10:25 am-1:37 pm

3 stops27h 12m

Simpson Bay Princess Juliana

Sat 5/9

2:35 pm-11:54 pm

1 stop9h 19m

$327

BostonSimpson Bay

BOS - SXM

BOSSXM

Boston Logan Intl

Wed 6/3

10:45 am-5:00 pm

1 stop30h 15m

Simpson Bay Princess Juliana

Sun 6/7

11:30 am-8:50 pm

1 stop9h 20m

$330

BostonSimpson Bay

BOS - SXM

BOSSXM

Boston Logan Intl

Sat 6/6

5:50 am-5:00 pm

2 stops11h 10m

Simpson Bay Princess Juliana

Sat 6/13

6:00 pm-2:47 pm

2 stops20h 47m

$332

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 Martin Island from

How to get the cheapest flight ticket from Boston to Saint Martin 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 Martin Island?

The month of September is, on average, the cheapest month to fly to Saint Martin Island from Boston, with most prices found around $408. The month of March is another great option to travel to Saint Martin Island, with average flight prices from Boston averaging around $422.

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

On average, the least expensive day to fly to Saint Martin 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 Martin Island for around $636.

What is the cheapest Boston Logan Intl to Saint Martin Island flight route?

Fly from Boston Logan Intl to Simpson Bay Princess Juliana for the best Boston Logan Intl - Saint Martin Island flight prices

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

You are more likely to see cheaper flights to Saint Martin Island from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Saint Martin Island for around $528 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Saint Martin Island from Boston for as low as $412 on momondo.

What cabin class options are available on Boston Logan Intl to Saint Martin Island flights?

There are 3 cabin classes available to choose from on Boston Logan Intl to Saint Martin Island 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 Martin Island flights?

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

Cheap Boston to Saint Martin Island flight deals and tips

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

Fastest flight time

4h 05m

Direct flights

Mon, Wed and Sun

Airports in Saint Martin Island

2 airports
The fastest flight from Boston to Saint Martin Island takes 4h 05m
Direct flights go from Boston to Saint Martin Island on Monday, Wednesday and Sunday. There are no airlines offering direct flights.
There are 2 airports in Saint Martin Island. From Boston there are direct flights to Simpson Bay Princess Juliana (SXM).

Frequently asked questions about flying from Boston to Saint Martin Island

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Saint Martin Island?

    Prices for flights from Boston Logan Intl Airport to Saint Martin Island refresh daily.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Saint Martin Island?

  • How old do you have to be to fly from Boston Logan Intl Airport to Saint Martin Island?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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 Martin Island.

  • What documentation or ID do you need to fly to Saint Martin Island?

    The required travel and health documents for your Saint Martin Island trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Saint Martin Island. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Best airlines flying from Boston to Saint Martin Island

Compare and see reviews for airlines that fly from Boston to Saint Martin Island with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $136Free CancellationRating
7.9
8,423 reviews
Search Delta flights
Air CanadaPriceFrom $166Free CancellationRating
7.1
10,938 reviews
Search Air Canada flights
Spirit AirlinesPriceFrom $205Free CancellationRating
6.3
8,625 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $297Free CancellationRating
7.4
9,605 reviews
Search United Airlines flights
American AirlinesPriceFrom $299Free CancellationRating
7.1
11,615 reviews
Search American Airlines flights
JetBluePriceFrom $320Free CancellationRating
7.2
2,945 reviews
Search JetBlue flights

Why use momondo?

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

It is quick and easy to find Boston to Saint Martin Island flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Saint Martin Island that suits you.

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

Yes. momondo allows you to filter the results for Boston to Saint Martin Island flights to just show those with flexible booking policies.

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

Once all potential Boston to Saint Martin Island flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Saint Martin Island, momondo offers a useful price alert feature which will track prices for flights to Saint Martin Island from Boston and alert you when they change.

An easier way to manage your Saint Martin Island trip

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1 adult
Mon 5/18
Mon 5/25

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