Cheap flights from Boston to Saint Martin Island from $126

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 8/27. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Boston to Saint Martin Island

Cheap round-trip flights

Spirit Airlines Logo
6:05 am - 2:00 pmBOS-SXM
7h 55m1 stop
Spirit Airlines Logo
3:05 pm - 11:49 pmSXM-BOS
8h 44m1 stop
$318Spirit Airlines
Find Deal
Wed, Aug 20 - Mon, Aug 25
Spirit Airlines Logo
6:10 am - 2:00 pmBOS-SXM
7h 50m1 stop
Spirit Airlines Logo
3:05 pm - 11:55 pmSXM-BOS
8h 50m1 stop
$321Spirit Airlines
Find Deal
Sat, Sep 6 - Sat, Sep 13
Delta Logo
5:35 am - 1:56 pmBOS-SXM
8h 21m1 stop
Delta Logo
3:20 pm - 1:18 amSXM-BOS
9h 58m1 stop
$335Delta
Find Deal
Mon, Aug 18 - Mon, Sep 22
Delta Logo
6:00 am - 2:02 pmBOS-SXM
7h 02m1 stop
Delta Logo
4:35 pm - 7:25 amSXM-BOS
15h 50m1 stop
$345Delta
Find Deal
Sat, Nov 15 - Sat, Nov 22
United Airlines Logo
7:53 pm - 12:29 pmBOS-SXM
16h 36m1 stop
United Airlines Logo
3:55 pm - 9:56 amSXM-BOS
18h 01m2 stops
$369United Airlines
Find Deal
Sat, Aug 23 - Sat, Aug 30
United Airlines Logo
5:20 am - 1:50 pmBOS-SXM
7h 30m1 stop
United Airlines Logo
2:53 pm - 10:33 amSXM-BOS
20h 40m2 stops
$382United Airlines
Find Deal
Mon, Jan 5 - Thu, Jan 15
JetBlue Logo
10:45 am - 4:02 pmBOS-SXM
4h 17mnonstop
JetBlue Logo
6:00 pm - 9:30 pmSXM-BOS
4h 30mnonstop
$399JetBlue
Find Deal
Sat, Nov 8 - Sat, Nov 15
American Airlines Logo
5:47 am - 1:19 pmBOS-SXM
7h 32m1 stop
American Airlines Logo
2:20 pm - 12:59 amSXM-BOS
10h 39m1 stop
$403American Airlines
Find Deal
Mon, Sep 15 - Thu, Sep 25
JetBlue Logo
8:00 am - 12:09 pmBOS-SXM
4h 09mnonstop
JetBlue Logo
1:29 pm - 5:55 pmSXM-BOS
4h 26mnonstop
$405JetBlue
Find Deal
Sat, Aug 23 - Sat, Aug 30
American Airlines Logo
7:30 pm - 1:19 pmBOS-SXM
17h 49m2 stops
American Airlines Logo
2:20 pm - 10:10 amSXM-BOS
19h 50m2 stops
$408American Airlines
Find Deal
Mon, Sep 8 - Mon, Sep 15

Spirit Airlines flights from Boston to Saint Martin Island

Our best Spirit Airlines deals on Boston to Saint Martin Island flight tickets
Spirit Airlines
Aug 20
BOS6:05 amBoston Logan Intl
7h 55m
1 stop
SXM2:00 pmSimpson Bay Princess Juliana
Aug 25
SXM3:05 pmSimpson Bay Princess Juliana
8h 44m
1 stop
BOS11:49 pmBoston Logan Intl
Spirit Airlines
Sep 6
BOS6:10 amBoston Logan Intl
7h 50m
1 stop
SXM2:00 pmSimpson Bay Princess Juliana
Sep 13
SXM3:05 pmSimpson Bay Princess Juliana
8h 50m
1 stop
BOS11:55 pmBoston Logan Intl
Spirit Airlines
Nov 8
BOS5:45 amBoston Logan Intl
8h 25m
1 stop
SXM3:10 pmSimpson Bay Princess Juliana
Nov 15
SXM4:28 pmSimpson Bay Princess Juliana
9h 12m
1 stop
BOS12:40 amBoston Logan Intl

Delta flights from Boston to Saint Martin Island

Our best Delta deals on Boston to Saint Martin Island flight tickets
Delta
Aug 18
BOS5:35 amBoston Logan Intl
8h 21m
1 stop
SXM1:56 pmSimpson Bay Princess Juliana
Sep 22
SXM3:20 pmSimpson Bay Princess Juliana
9h 58m
1 stop
BOS1:18 amBoston Logan Intl
Delta
Nov 15
BOS6:00 amBoston Logan Intl
7h 02m
1 stop
SXM2:02 pmSimpson Bay Princess Juliana
Nov 22
SXM4:35 pmSimpson Bay Princess Juliana
15h 50m
1 stop
BOS7:25 amBoston Logan Intl
Delta
Aug 14
BOS8:54 pmBoston Logan Intl
17h 02m
1 stop
SXM1:56 pmSimpson Bay Princess Juliana
Sep 17
SXM3:20 pmSimpson Bay Princess Juliana
9h 58m
1 stop
BOS1:18 amBoston Logan Intl

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 July 31, 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

Wed 8/20

6:05 am-2:00 pm

1 stop7h 55m

Simpson Bay Princess Juliana

Mon 8/25

3:05 pm-11:49 pm

1 stop8h 44m

$318

BostonSimpson Bay

BOS - SXM

BOSSXM

Boston Logan Intl

Sat 9/6

6:10 am-2:00 pm

1 stop7h 50m

Simpson Bay Princess Juliana

Sat 9/13

3:05 pm-11:55 pm

1 stop8h 50m

$321

BostonSimpson Bay

BOS - SXM

BOSSXM

Boston Logan Intl

Mon 8/18

5:35 am-1:56 pm

1 stop8h 21m

Simpson Bay Princess Juliana

Mon 9/22

3:20 pm-1:18 am

1 stop9h 58m

$335

BostonSimpson Bay

BOS - SXM

BOSSXM

Boston Logan Intl

Sat 11/15

6:00 am-2:02 pm

1 stop7h 02m

Simpson Bay Princess Juliana

Sat 11/22

4:35 pm-7:25 am

1 stop15h 50m

$345

BostonSimpson Bay

BOS - SXM

BOSSXM

Boston Logan Intl

Sat 8/23

7:53 pm-12:29 pm

1 stop16h 36m

Simpson Bay Princess Juliana

Sat 8/30

3:55 pm-9:56 am

2 stops18h 01m

$369

BostonSimpson Bay

BOS - SXM

BOSSXM

Boston Logan Intl

Mon 1/5

5:20 am-1:50 pm

1 stop7h 30m

Simpson Bay Princess Juliana

Thu 1/15

2:53 pm-10:33 am

2 stops20h 40m

$382

BostonSimpson Bay

BOS - SXM

BOSSXM

Boston Logan Intl

Sat 11/8

10:45 am-4:02 pm

Nonstop4h 17m

Simpson Bay Princess Juliana

Sat 11/15

6:00 pm-9:30 pm

Nonstop4h 30m

$399

BostonSimpson Bay

BOS - SXM

BOSSXM

Boston Logan Intl

Mon 9/15

5:47 am-1:19 pm

1 stop7h 32m

Simpson Bay Princess Juliana

Thu 9/25

2:20 pm-12:59 am

1 stop10h 39m

$403

BostonSimpson Bay

BOS - SXM

BOSSXM

Boston Logan Intl

Sat 8/23

8:00 am-12:09 pm

Nonstop4h 09m

Simpson Bay Princess Juliana

Sat 8/30

1:29 pm-5:55 pm

Nonstop4h 26m

$405

BostonSimpson Bay

BOS - SXM

BOSSXM

Boston Logan Intl

Mon 9/8

7:30 pm-1:19 pm

2 stops17h 49m

Simpson Bay Princess Juliana

Mon 9/15

2:20 pm-10:10 am

2 stops19h 50m

$408

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 August is another great option to travel to Saint Martin Island, with average flight prices from Boston averaging around $498.

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 $386. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Boston to Saint Martin Island for around $905.

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 $687. 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 $611 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 $546 on momondo.

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

There are 2 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

Best Price Found

$126

Fastest flight time

4h 09m

Direct flights

Every day

Airports in Saint Martin Island

1 airport
The best one-way flight to Saint Martin Island from Boston in the past 72 hours is $126. The best round-trip flight deal from Boston to Saint Martin Island found on momondo in the last 72 hours is $318.
The fastest flight from Boston to Saint Martin Island takes 4h 09m
Direct flights go from Boston to Saint Martin Island every day.
There is 1 airport near Saint Martin Island: Simpson Bay Princess Juliana (SXM)

  • 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 $73Free CancellationRating
5.9
3,239 reviews
Search Frontier flights
DeltaPriceFrom $174Free CancellationRating
8.0
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $321Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
Spirit AirlinesPriceFrom $348Free CancellationRating
6.3
8,049 reviews
Search Spirit Airlines flights
JetBluePriceFrom $351Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights
American AirlinesPriceFrom $386Free CancellationRating
7.2
10,000 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 8/5
Tue 8/12

Find better results for your trip to Saint Martin Island

Popular cities in Saint Martin Island

Popular flights according to clicks in the last 7 days on momondo