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Cheap flights from Boston to Saint Martin Island from $71

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 2/28. 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 Martin Island

Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
8:00 am - 1:15 pm
BOS
-
SXM
4h 15mnonstop
JetBlue Logo
2:30 pm - 6:09 pm
SXM
-
BOS
4h 39mnonstop
$339JetBlue
Thu, Jan 15 - Mon, Jan 19
Spirit Airlines Logo
3:43 pm - 2:15 pm
BOS
-
SXM
21h 32m2 stops
Spirit Airlines Logo
3:20 pm - 5:44 pm
SXM
-
BOS
27h 24m3 stops
$340Spirit Airlines
Sat, Jan 31 - Sat, Feb 7
American Airlines Logo
5:59 am - 1:26 pm
BOS
-
SXM
6h 27m1 stop
American Airlines Logo
2:42 pm - 10:55 pm
SXM
-
BOS
9h 13m1 stop
$341American Airlines
Tue, Dec 30 - Thu, Jan 8
Spirit Airlines Logo
3:43 pm - 2:10 pm
BOS
-
SXM
21h 27m2 stops
Spirit Airlines Logo
3:15 pm - 2:38 pm
SXM
-
BOS
24h 23m3 stops
$342Spirit Airlines
Sun, Feb 1 - Thu, Feb 5
Multiple Airlines Logo
6:55 pm - 2:40 pm
BOS
-
SXM
18h 45m2 stops
Multiple Airlines Logo
3:15 pm - 11:57 pm
SXM
-
BOS
9h 42m1 stop
$343Multiple Airlines
Mon, Jan 5 - Fri, Jan 9
Multiple Airlines Logo
5:34 am - 2:10 pm
BOS
-
SXM
7h 36m1 stop
Multiple Airlines Logo
3:40 pm - 9:32 am
SXM
-
BOS
18h 52m1 stop
$344Multiple Airlines
Fri, Jan 16 - Tue, Jan 20
Delta Logo
6:50 pm - 1:53 pm
BOS
-
SXM
19h 03m1 stop
Delta Logo
12:55 pm - 10:40 pm
SXM
-
BOS
9h 45m1 stop
$345Delta
Mon, Mar 30 - Fri, Apr 10
Spirit Airlines Logo
5:40 am - 2:10 pm
BOS
-
SXM
7h 30m1 stop
Spirit Airlines Logo
3:15 pm - 11:57 pm
SXM
-
BOS
9h 42m1 stop
$346Spirit Airlines
Sun, Feb 22 - Sun, Mar 1
United Airlines Logo
5:45 am - 1:50 pm
BOS
-
SXM
7h 05m1 stop
United Airlines Logo
2:52 pm - 9:52 pm
SXM
-
BOS
8h 00m1 stop
$347United Airlines
Sun, Jan 25 - Thu, Jan 29
Spirit Airlines Logo
5:45 am - 2:15 pm
BOS
-
SXM
7h 30m1 stop
Spirit Airlines Logo
3:15 pm - 2:38 pm
SXM
-
BOS
24h 23m3 stops
$348Spirit Airlines
Mon, Jan 5 - Fri, Jan 9

JetBlue flights from Boston to Saint Martin Island

Our best JetBlue deals on Boston to Saint Martin Island flight tickets
JetBlue
Jan 15
BOS8:00 amBoston Logan Intl
4h 15m
SXM1:15 pmSimpson Bay Princess Juliana
Jan 19
SXM2:30 pmSimpson Bay Princess Juliana
4h 39m
BOS6:09 pmBoston Logan Intl
$339
Find similar
JetBlue
Jan 15
BOS5:15 amBoston Logan Intl
8h 13m
1 stop
SXM2:28 pmSimpson Bay Princess Juliana
Jan 19
SXM2:30 pmSimpson Bay Princess Juliana
4h 39m
BOS6:09 pmBoston Logan Intl
$355
Find similar
JetBlue
Jan 31
BOS11:40 amBoston Logan Intl
4h 13m
SXM4:53 pmSimpson Bay Princess Juliana
Feb 7
SXM3:43 pmSimpson Bay Princess Juliana
9h 33m
1 stop
BOS12:16 amBoston Logan Intl
$357
Find similar

Spirit Airlines flights from Boston to Saint Martin Island

Our best Spirit Airlines deals on Boston to Saint Martin Island flight tickets
Spirit Airlines
Jan 31
BOS3:43 pmBoston Logan Intl
21h 32m
2 stops
SXM2:15 pmSimpson Bay Princess Juliana
Feb 7
SXM3:20 pmSimpson Bay Princess Juliana
27h 24m
3 stops
BOS5:44 pmBoston Logan Intl
$340
Find similar
Spirit Airlines
Feb 22
BOS5:40 amBoston Logan Intl
7h 30m
1 stop
SXM2:10 pmSimpson Bay Princess Juliana
Mar 1
SXM3:15 pmSimpson Bay Princess Juliana
9h 42m
1 stop
BOS11:57 pmBoston Logan Intl
$346
Find similar
Spirit Airlines
Jan 5
BOS5:45 amBoston Logan Intl
7h 30m
1 stop
SXM2:15 pmSimpson Bay Princess Juliana
Jan 9
SXM3:15 pmSimpson Bay Princess Juliana
24h 23m
3 stops
BOS2:38 pmBoston Logan Intl
$348
Find similar

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 December 18, 2025.
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

BostonSimpson Bay

BOS - SXM

BOSSXM

Boston Logan Intl

Thu 1/15

8:00 am-1:15 pm

Nonstop4h 15m

Simpson Bay Princess Juliana

Mon 1/19

2:30 pm-6:09 pm

Nonstop4h 39m

$339

BostonSimpson Bay

BOS - SXM

BOSSXM

Boston Logan Intl

Sat 1/31

3:43 pm-2:15 pm

2 stops21h 32m

Simpson Bay Princess Juliana

Sat 2/7

3:20 pm-5:44 pm

3 stops27h 24m

$340

BostonSimpson Bay

BOS - SXM

BOSSXM

Boston Logan Intl

Tue 12/30

5:59 am-1:26 pm

1 stop6h 27m

Simpson Bay Princess Juliana

Thu 1/8

2:42 pm-10:55 pm

1 stop9h 13m

$341

BostonSimpson Bay

BOS - SXM

BOSSXM

Boston Logan Intl

Sun 2/1

3:43 pm-2:10 pm

2 stops21h 27m

Simpson Bay Princess Juliana

Thu 2/5

3:15 pm-2:38 pm

3 stops24h 23m

$342

BostonSimpson Bay

BOS - SXM

BOSSXM

Boston Logan Intl

Mon 1/5

6:55 pm-2:40 pm

2 stops18h 45m

Simpson Bay Princess Juliana

Fri 1/9

3:15 pm-11:57 pm

1 stop9h 42m

$343

BostonSimpson Bay

BOS - SXM

BOSSXM

Boston Logan Intl

Fri 1/16

5:34 am-2:10 pm

1 stop7h 36m

Simpson Bay Princess Juliana

Tue 1/20

3:40 pm-9:32 am

1 stop18h 52m

$344

BostonSimpson Bay

BOS - SXM

BOSSXM

Boston Logan Intl

Mon 3/30

6:50 pm-1:53 pm

1 stop19h 03m

Simpson Bay Princess Juliana

Fri 4/10

12:55 pm-10:40 pm

1 stop9h 45m

$345

BostonSimpson Bay

BOS - SXM

BOSSXM

Boston Logan Intl

Sun 2/22

5:40 am-2:10 pm

1 stop7h 30m

Simpson Bay Princess Juliana

Sun 3/1

3:15 pm-11:57 pm

1 stop9h 42m

$346

BostonSimpson Bay

BOS - SXM

BOSSXM

Boston Logan Intl

Sun 1/25

5:45 am-1:50 pm

1 stop7h 05m

Simpson Bay Princess Juliana

Thu 1/29

2:52 pm-9:52 pm

1 stop8h 00m

$347

BostonSimpson Bay

BOS - SXM

BOSSXM

Boston Logan Intl

Mon 1/5

5:45 am-2:15 pm

1 stop7h 30m

Simpson Bay Princess Juliana

Fri 1/9

3:15 pm-2:38 pm

3 stops24h 23m

$348

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 $420. The month of August is another great option to travel to Saint Martin Island, with average flight prices from Boston averaging around $492.

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 $717.

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

Our most recent data shows that the best time of day to fly to Saint Martin Island is at noon. Flights from Boston to Saint Martin Island during this time can be as low as $299. Flights to Saint Martin Island are more costly in the morning, with an average ticket price of $630. 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 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 $571 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 $510 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 07m

Direct flights

Every day

Airports in Saint Martin Island

2 airports
The fastest flight from Boston to Saint Martin Island takes 4h 07m
Direct flights go from Boston to Saint Martin Island every day.
There are 2 airports in Saint Martin Island. From Boston there are direct flights to Simpson Bay Princess Juliana (SXM).
Search flight deals

  • 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
FrontierPriceFrom $81Free CancellationRating
5.8
3,081 reviews
Search Frontier flights
DeltaPriceFrom $174Free CancellationRating
7.9
8,005 reviews
Search Delta flights
Air CanadaPriceFrom $180Free CancellationRating
7.1
10,534 reviews
Search Air Canada flights
Spirit AirlinesPriceFrom $312Free CancellationRating
6.3
8,190 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $347Free CancellationRating
7.4
9,091 reviews
Search United Airlines flights
JetBluePriceFrom $373Free CancellationRating
7.2
2,897 reviews
Search JetBlue flights
American AirlinesPriceFrom $392Free CancellationRating
7.2
11,054 reviews
Search American Airlines 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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