$129+ Cheap flights from Boston (BOS) to Saint Martin Island
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SXM
Jul 9 — Jul 161
Round-trip
1 adult, Economy
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Find cheap flights from Boston to Saint Martin Island with Cheapflights
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Cheapest flights from Boston to Saint Martin IslandExplore the most affordable flight options available from Boston to Saint Martin Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 9, 2026.
Explore the most affordable flight options available from Boston to Saint Martin Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 9, 2026.
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/285:30 am
BOS
- SXM
1 stop8h 25m
Delta
Tue 8/43:18 pm
SXM
- BOS
1 stop10h 07m
Delta
Deal found 6/7![Delta logo]()
$347
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/115:45 am
BOS
- SXM
1 stop6h 48m
United Airlines
Wed 7/153:50 pm
SXM
- BOS
1 stop8h 09m
United Airlines
Deal found 6/8![United Airlines logo]()
$355
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:00 am
BOS
- SXM
1 stop6h 33m
United Airlines
Sat 9/121:35 pm
SXM
- BOS
1 stop20h 13m
United Airlines
Deal found 6/8![United Airlines logo]()
$361
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:45 am
BOS
- SXM
1 stop6h 48m
United Airlines
Wed 7/223:50 pm
SXM
- BOS
2 stops18h 01m
United Airlines
Deal found 6/6![United Airlines logo]()
$366
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/285:30 am
BOS
- SXM
1 stop8h 23m
Delta
Fri 9/43:18 pm
SXM
- BOS
1 stop18h 21m
Delta
Deal found 6/6![Delta logo]()
$371
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/136:06 am
BOS
- SXM
1 stop8h 09m
Delta
Sat 6/203:40 pm
SXM
- BOS
1 stop15h 44m
Delta
Deal found 6/4![Delta logo]()
$380
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/55:30 am
BOS
- SXM
1 stop8h 20m
Delta
Wed 10/213:14 pm
SXM
- BOS
1 stop8h 34m
Delta
Deal found 6/5![Delta logo]()
$381
This American Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:01 am
BOS
- SXM
1 stop6h 33m
American Airlines
Sat 7/111:34 pm
SXM
- BOS
1 stop11h 25m
American Airlines
Deal found 6/7![American Airlines logo]()
$383
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/205:45 am
BOS
- SXM
1 stop6h 48m
United Airlines
Fri 7/243:50 pm
SXM
- BOS
1 stop8h 09m
United Airlines
Deal found 6/5![United Airlines logo]()
$394
This American Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:01 am
BOS
- SXM
1 stop6h 33m
American Airlines
Mon 7/134:45 pm
SXM
- BOS
1 stop17h 31m
American Airlines
Deal found 6/7![American Airlines logo]()
$395
Best flights from Boston to Saint Martin IslandDiscover carefully curated flight deals from Boston to Saint Martin Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 9, 2026.
Discover carefully curated flight deals from Boston to Saint Martin Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 9, 2026.
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/285:30 am
BOS
- SXM
1 stop8h 23m
Delta
Fri 9/43:18 pm
SXM
- BOS
1 stop18h 21m
Delta
Deal found 6/6![Delta logo]()
$371
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/157:30 am
BOS
- SXM
1 stop7h 13m
United Airlines
Sat 6/203:50 pm
SXM
- BOS
1 stop8h 09m
United Airlines
Deal found 6/6![United Airlines logo]()
$380
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1010:25 pm
BOS
- SXM
2 stops16h 40m
Southwest
Tue 7/143:00 pm
SXM
- BOS
2 stops17h 00m
Southwest
Deal found 6/5![Southwest logo]()
$426
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:30 am
BOS
- SXM
1 stop8h 23m
Delta
Wed 9/93:21 pm
SXM
- BOS
1 stop9h 45m
Delta
Deal found 6/6![Delta logo]()
$371
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/115:45 am
BOS
- SXM
1 stop6h 48m
United Airlines
Wed 7/153:50 pm
SXM
- BOS
1 stop8h 09m
United Airlines
Deal found 6/5![United Airlines logo]()
$395
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/136:06 am
BOS
- SXM
1 stop8h 09m
Delta
Sat 6/203:40 pm
SXM
- BOS
1 stop15h 44m
Delta
Deal found 6/4![Delta logo]()
$380
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/108:26 pm
BOS
- SXM
2 stops16h 07m
United Airlines
Mon 7/133:50 pm
SXM
- BOS
1 stop8h 09m
United Airlines
Deal found 6/7![United Airlines logo]()
$409
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/55:30 am
BOS
- SXM
2 stops10h 00m
Southwest
Thu 7/92:25 pm
SXM
- BOS
2 stops17h 45m
Southwest
Deal found 6/8![Southwest logo]()
$474
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:06 am
BOS
- SXM
1 stop8h 09m
Delta
Sat 7/113:35 pm
SXM
- BOS
1 stop16h 48m
Delta
Deal found 6/5![Delta logo]()
$420
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/210:15 pm
BOS
- SXM
2 stops15h 10m
Southwest
Sun 7/121:55 pm
SXM
- BOS
2 stops18h 15m
Southwest
Deal found 6/8![Southwest logo]()
$474
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/99:50 am
BOS
- SXM
2 stops26h 43m
United Airlines
Mon 7/133:50 pm
SXM
- BOS
2 stops21h 26m
United Airlines
Deal found 6/9![United Airlines logo]()
$480
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/309:30 am
BOS
- SXM
2 stops27h 03m
United Airlines
Mon 8/33:50 pm
SXM
- BOS
2 stops22h 17m
United Airlines
Deal found 6/9![United Airlines logo]()
$501
Last-minute flights from Boston to Saint Martin IslandDiscover last-minute flight deals from Boston to Saint Martin Island. Data last updated June 9, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Saint Martin Island. Data last updated June 9, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/136:06 am
BOS
- SXM
1 stop8h 09m
Delta
Sat 6/203:40 pm
SXM
- BOS
1 stop15h 44m
Delta
Deal found 6/4![Delta logo]()
$380
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/136:06 am
BOS
- SXM
1 stop8h 09m
Delta
Wed 6/173:18 pm
SXM
- BOS
1 stop10h 13m
Delta
Deal found 6/5![Delta logo]()
$399
This American Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:01 am
BOS
- SXM
1 stop6h 33m
American Airlines
Sat 7/111:34 pm
SXM
- BOS
1 stop11h 25m
American Airlines
Deal found 6/7![American Airlines logo]()
$383
This American Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:01 am
BOS
- SXM
1 stop6h 33m
American Airlines
Mon 7/134:45 pm
SXM
- BOS
1 stop17h 31m
American Airlines
Deal found 6/7![American Airlines logo]()
$395
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/115:45 am
BOS
- SXM
1 stop6h 48m
United Airlines
Wed 7/153:50 pm
SXM
- BOS
1 stop8h 09m
United Airlines
Deal found 6/8![United Airlines logo]()
$355
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1310:15 pm
BOS
- SXM
2 stops15h 45m
Southwest
Thu 7/162:25 pm
SXM
- BOS
2 stops17h 45m
Southwest
Deal found 6/9![Southwest logo]()
$396
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:45 am
BOS
- SXM
1 stop6h 48m
United Airlines
Wed 7/223:50 pm
SXM
- BOS
2 stops18h 01m
United Airlines
Deal found 6/6![United Airlines logo]()
$366
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/205:45 am
BOS
- SXM
1 stop6h 48m
United Airlines
Fri 7/243:50 pm
SXM
- BOS
1 stop8h 09m
United Airlines
Deal found 6/5![United Airlines logo]()
$394
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/285:30 am
BOS
- SXM
1 stop8h 25m
Delta
Tue 8/43:18 pm
SXM
- BOS
1 stop10h 07m
Delta
Deal found 6/7![Delta logo]()
$347
One-way flights from Boston to Saint Martin IslandSearch for one-way flight options from Boston to Saint Martin Island. Find affordable one-way fares based on user searches. Data last updated June 9, 2026.
Search for one-way flight options from Boston to Saint Martin Island. Find affordable one-way fares based on user searches. Data last updated June 9, 2026.
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/39:29 pm
BOS
- SXM
1 stop16h 46m
Delta
Deal found 6/4![Delta logo]()
$129
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:00 am
BOS
- SXM
1 stop6h 33m
United Airlines
Deal found 6/8![United Airlines logo]()
$133
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/68:27 pm
BOS
- SXM
2 stops16h 06m
United Airlines
Deal found 6/9![United Airlines logo]()
$139
This Expedia deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/135:10 am
BOS
- SXM
1 stop11h 50m
Air Canada
Deal found 6/8![Air Canada logo]()
$153
This Cheapflightsfares deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:20 am
BOS
- SXM
Nonstop4h 13m
JetBlue
Deal found 6/8![JetBlue logo]()
$154
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/157:00 pm
BOS
- SXM
2 stops17h 33m
United Airlines
Deal found 6/6![United Airlines logo]()
$155
This Expedia deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:50 pm
BOS
- SXM
2 stops46h 10m
Air Canada
Deal found 6/6![Air Canada logo]()
$161
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/35:30 am
BOS
- SXM
1 stop8h 23m
Delta
Deal found 6/5![Delta logo]()
$163
This American Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/15:01 am
BOS
- SXM
1 stop8h 21m
American Airlines
Deal found 6/6![American Airlines logo]()
$168
This American Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/38:22 pm
BOS
- SXM
2 stops17h 29m
American Airlines
Deal found 6/9![American Airlines logo]()
$169
Find flight deals from Boston to Saint Martin Island
Keep the following information in mind while searching for Boston to Saint Martin Island flight deals. Data was last updated June 9, 2026.
Round-trip from | $347 (Delta) |
|---|---|
One-way from | $129 (Delta) |
Popular in | April |
Cheapest in | September |
Average price | $555 |
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated June 9, 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
Cheapest round-trip
BostonSimpson Bay
BOS - SXM
BOSSXM
Boston Logan Intl
Fri 8/28
5:30 am-1:53 pm
1 stop8h 23m
Simpson Bay Princess Juliana
Fri 9/4
3:18 pm-9:39 am
1 stop18h 21m
$371
BostonSimpson Bay
BOS - SXM
BOSSXM
Boston Logan Intl
Sat 9/5
5:30 am-1:53 pm
1 stop8h 23m
Simpson Bay Princess Juliana
Wed 9/9
3:21 pm-1:06 am
1 stop9h 45m
$371
BostonSimpson Bay
BOS - SXM
BOSSXM
Boston Logan Intl
Mon 6/15
7:30 am-2:43 pm
1 stop7h 13m
Simpson Bay Princess Juliana
Sat 6/20
3:50 pm-11:59 pm
1 stop8h 09m
$380
BostonSimpson Bay
BOS - SXM
BOSSXM
Boston Logan Intl
Sat 6/13
6:06 am-2:15 pm
1 stop8h 09m
Simpson Bay Princess Juliana
Sat 6/20
3:40 pm-7:24 am
1 stop15h 44m
$380
Quickest round-trip
BostonSimpson Bay
BOS - SXM
BOSSXM
Boston Logan Intl
Sat 7/11
5:45 am-12:33 pm
1 stop6h 48m
Simpson Bay Princess Juliana
Wed 7/15
3:50 pm-11:59 pm
1 stop8h 09m
$395
BostonSimpson Bay
BOS - SXM
BOSSXM
Boston Logan Intl
Fri 7/10
8:26 pm-12:33 pm
2 stops16h 07m
Simpson Bay Princess Juliana
Mon 7/13
3:50 pm-11:59 pm
1 stop8h 09m
$409
BostonSimpson Bay
BOS - SXM
BOSSXM
Boston Logan Intl
Sat 7/4
6:06 am-2:15 pm
1 stop8h 09m
Simpson Bay Princess Juliana
Sat 7/11
3:35 pm-8:23 am
1 stop16h 48m
$420
BostonSimpson Bay
BOS - SXM
BOSSXM
Boston Logan Intl
Fri 7/10
10:25 pm-3:05 pm
2 stops16h 40m
Simpson Bay Princess Juliana
Tue 7/14
3:00 pm-8:00 am
2 stops17h 00m
$426
BostonSimpson Bay
BOS - SXM
BOSSXM
Boston Logan Intl
Sun 7/5
5:30 am-3:30 pm
2 stops10h 00m
Simpson Bay Princess Juliana
Thu 7/9
2:25 pm-8:10 am
2 stops17h 45m
$474
BostonSimpson Bay
BOS - SXM
BOSSXM
Boston Logan Intl
Thu 7/2
10:15 pm-1:25 pm
2 stops15h 10m
Simpson Bay Princess Juliana
Sun 7/12
1:55 pm-8:10 am
2 stops18h 15m
$474
Showing 1-10 of 22 resultsSorted by cheapest first
Best time to book a flight from Boston to Saint Martin Island
Have a flexible travel schedule? Discover the best time to fly to Saint Martin Island from Boston with our price prediction graph.
BOS-SXM
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Boston to Saint Martin Island
BOS-zzSCH
BOS-SXM
What is the cheapest month to book a flight from Boston to Saint Martin Island?
Currently, May is the cheapest month in which you can book a flight from Boston to Saint Martin Island (average of $108). Flying from Boston to Saint Martin Island in February is currently the most expensive (average of $286). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from BOS to SCH?
Find hourly flight availability from Boston to Saint Martin Island. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 9, 2026.
When flying from Boston to Saint Martin Island, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How far ahead should I book a flight from Boston to Saint Martin Island?
The best time to book flights from Boston to Saint Martin Island is 51 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Reviews of airlines servicing Saint Martin Island
Get insights into the airlines that provide service to Saint Martin Island. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Saint Martin Island. Reviews last updated June 9, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines from Boston to Saint Martin Island. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Boarding
8.1
Food
7.2
Crew
8.5
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Boarding
8.1
Food
7.2
Crew
8.5
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Boarding
8.1
Food
7.2
Crew
8.5
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Boarding
8.1
Food
7.2
Crew
8.5
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Boarding
8.1
Food
7.2
Crew
8.5
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Boarding
8.1
Food
7.2
Crew
8.5
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Boston to Saint Martin Island. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Top 5 airlines flying from Boston to Saint Martin Island
Discover the top 5 airlines that operate flights from Boston to Saint Martin Island. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$136 | Average$362 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$166 | Average$624 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$282 | Average$521 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$287 | Average$430 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$330 | Average$555 | FlexibilityNo cancel fee | On-time62% |