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Cheap flights from Boston to Saint Martin Island from $118

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 12/8. 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 Martin Island

Cheap round-trip flights

United Airlines Logo
6:00 am - 12:50 pmBOS-SXM
6h 50m1 stop
United Airlines Logo
1:52 pm - 10:47 pmSXM-BOS
8h 55m1 stop
$317United Airlines
Find Deal
Mon, Oct 27 - Fri, Oct 31
American Airlines Logo
6:15 pm - 2:19 pmBOS-SXM
19h 04m2 stops
American Airlines Logo
5:24 pm - 9:33 amSXM-BOS
17h 09m2 stops
$322American Airlines
Find Deal
Sat, Nov 8 - Wed, Nov 12
American Airlines Logo
5:08 pm - 2:00 pmBOS-SXM
19h 52m1 stop
American Airlines Logo
5:24 pm - 12:51 amSXM-BOS
8h 27m1 stop
$324American Airlines
Find Deal
Sat, Nov 8 - Wed, Nov 12
United Airlines Logo
6:00 am - 12:50 pmBOS-SXM
6h 50m1 stop
United Airlines Logo
2:52 pm - 10:38 amSXM-BOS
20h 46m2 stops
$331United Airlines
Find Deal
Thu, Oct 30 - Mon, Nov 3
Spirit Airlines Logo
5:45 am - 3:10 pmBOS-SXM
8h 25m1 stop
Spirit Airlines Logo
4:28 pm - 12:40 amSXM-BOS
9h 12m1 stop
$342Spirit Airlines
Find Deal
Wed, Nov 5 - Sat, Nov 15
Spirit Airlines Logo
8:24 pm - 2:00 pmBOS-SXM
17h 36m1 stop
Spirit Airlines Logo
3:05 pm - 11:59 pmSXM-BOS
8h 54m1 stop
$347Spirit Airlines
Find Deal
Fri, Oct 17 - Fri, Oct 24
Delta Logo
8:45 pm - 12:15 pmBOS-SXM
14h 30m1 stop
Delta Logo
4:26 pm - 7:24 amSXM-BOS
15h 58m1 stop
$363Delta
Find Deal
Sat, Jan 17 - Thu, Jan 22
Delta Logo
9:00 pm - 2:00 pmBOS-SXM
16h 00m1 stop
Delta Logo
4:20 pm - 1:30 amSXM-BOS
10h 10m1 stop
$383Delta
Find Deal
Fri, Nov 7 - Thu, Nov 13
JetBlue Logo
7:35 am - 12:00 pmBOS-SXM
4h 25mnonstop
JetBlue Logo
1:00 pm - 5:36 pmSXM-BOS
4h 36mnonstop
$388JetBlue
Find Deal
Sun, Oct 19 - Sat, Oct 25
JetBlue Logo
11:43 am - 4:54 pmBOS-SXM
4h 11mnonstop
JetBlue Logo
6:00 pm - 9:27 pmSXM-BOS
4h 27mnonstop
$389JetBlue
Find Deal
Sat, Nov 29 - Sat, Dec 6

American Airlines flights from Boston to Saint Martin Island

Our best American Airlines deals on Boston to Saint Martin Island flight tickets
American Airlines
Nov 8
BOS6:15 pmBoston Logan Intl
19h 04m
2 stops
SXM2:19 pmSimpson Bay Princess Juliana
Nov 12
SXM5:24 pmSimpson Bay Princess Juliana
17h 09m
2 stops
BOS9:33 amBoston Logan Intl
$322
Find similar
American Airlines
Nov 8
BOS5:08 pmBoston Logan Intl
19h 52m
1 stop
SXM2:00 pmSimpson Bay Princess Juliana
Nov 12
SXM5:24 pmSimpson Bay Princess Juliana
8h 27m
1 stop
BOS12:51 amBoston Logan Intl
$324
Find similar
American Airlines
Nov 8
BOS6:15 pmBoston Logan Intl
18h 45m
1 stop
SXM2:00 pmSimpson Bay Princess Juliana
Nov 15
SXM5:24 pmSimpson Bay Princess Juliana
17h 32m
2 stops
BOS9:56 amBoston Logan Intl
$329
Find similar

JetBlue flights from Boston to Saint Martin Island

Our best JetBlue deals on Boston to Saint Martin Island flight tickets
JetBlue
Oct 19
BOS7:35 amBoston Logan Intl
4h 25m
SXM12:00 pmSimpson Bay Princess Juliana
Oct 25
SXM1:00 pmSimpson Bay Princess Juliana
4h 36m
BOS5:36 pmBoston Logan Intl
$388
Find similar
JetBlue
Nov 29
BOS11:43 amBoston Logan Intl
4h 11m
SXM4:54 pmSimpson Bay Princess Juliana
Dec 6
SXM6:00 pmSimpson Bay Princess Juliana
4h 27m
BOS9:27 pmBoston Logan Intl
$389
Find similar
JetBlue
Dec 14
BOS8:30 amBoston Logan Intl
7h 33m
1 stop
SXM5:03 pmSimpson Bay Princess Juliana
Dec 21
SXM1:59 pmSimpson Bay Princess Juliana
4h 35m
BOS5:34 pmBoston Logan Intl
$395
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 September 25, 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

Mon 10/27

6:00 am-12:50 pm

1 stop6h 50m

Simpson Bay Princess Juliana

Fri 10/31

1:52 pm-10:47 pm

1 stop8h 55m

$317

BostonSimpson Bay

BOS - SXM

BOSSXM

Boston Logan Intl

Sat 11/8

6:15 pm-2:19 pm

2 stops19h 04m

Simpson Bay Princess Juliana

Wed 11/12

5:24 pm-9:33 am

2 stops17h 09m

$322

BostonSimpson Bay

BOS - SXM

BOSSXM

Boston Logan Intl

Sat 11/8

5:08 pm-2:00 pm

1 stop19h 52m

Simpson Bay Princess Juliana

Wed 11/12

5:24 pm-12:51 am

1 stop8h 27m

$324

BostonSimpson Bay

BOS - SXM

BOSSXM

Boston Logan Intl

Thu 10/30

6:00 am-12:50 pm

1 stop6h 50m

Simpson Bay Princess Juliana

Mon 11/3

2:52 pm-10:38 am

2 stops20h 46m

$331

BostonSimpson Bay

BOS - SXM

BOSSXM

Boston Logan Intl

Wed 11/5

5:45 am-3:10 pm

1 stop8h 25m

Simpson Bay Princess Juliana

Sat 11/15

4:28 pm-12:40 am

1 stop9h 12m

$342

BostonSimpson Bay

BOS - SXM

BOSSXM

Boston Logan Intl

Fri 10/17

8:24 pm-2:00 pm

1 stop17h 36m

Simpson Bay Princess Juliana

Fri 10/24

3:05 pm-11:59 pm

1 stop8h 54m

$347

BostonSimpson Bay

BOS - SXM

BOSSXM

Boston Logan Intl

Sat 1/17

8:45 pm-12:15 pm

1 stop14h 30m

Simpson Bay Princess Juliana

Thu 1/22

4:26 pm-7:24 am

1 stop15h 58m

$363

BostonSimpson Bay

BOS - SXM

BOSSXM

Boston Logan Intl

Fri 11/7

9:00 pm-2:00 pm

1 stop16h 00m

Simpson Bay Princess Juliana

Thu 11/13

4:20 pm-1:30 am

1 stop10h 10m

$383

BostonSimpson Bay

BOS - SXM

BOSSXM

Boston Logan Intl

Sun 10/19

7:35 am-12:00 pm

Nonstop4h 25m

Simpson Bay Princess Juliana

Sat 10/25

1:00 pm-5:36 pm

Nonstop4h 36m

$388

BostonSimpson Bay

BOS - SXM

BOSSXM

Boston Logan Intl

Sat 11/29

11:43 am-4:54 pm

Nonstop4h 11m

Simpson Bay Princess Juliana

Sat 12/6

6:00 pm-9:27 pm

Nonstop4h 27m

$389

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 $480. The month of August is another great option to travel to Saint Martin Island, with average flight prices from Boston averaging around $508.

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 $526. 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 $935.

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 $676. 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 $601 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 $553 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 08m

Direct flights

Every day

Airports in Saint Martin Island

1 airport
The fastest flight from Boston to Saint Martin Island takes 4h 08m
Direct flights go from Boston to Saint Martin Island every day.
There is 1 airport near Saint Martin Island: 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 $73Free CancellationRating
5.8
3,163 reviews
Search Frontier flights
DeltaPriceFrom $174Free CancellationRating
7.9
7,973 reviews
Search Delta flights
Air CanadaPriceFrom $180Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
United AirlinesPriceFrom $335Free CancellationRating
7.4
8,928 reviews
Search United Airlines flights
Spirit AirlinesPriceFrom $347Free CancellationRating
6.3
8,045 reviews
Search Spirit Airlines flights
JetBluePriceFrom $357Free CancellationRating
7.2
2,911 reviews
Search JetBlue flights
American AirlinesPriceFrom $389Free 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

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Sat 10/25
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