BOS to SXM from $305 in economy – flightdeals.net

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United Airlines

UAUnited Airlines

Round Trip•Economy

Logan International Airport

Boston, United States

Princess Juliana International Airport

Sint Maarten, Sint Maarten

$623 USD

-51%$305 USD

Verified about 1 hour ago

October 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

28 29 30$939 1$779 2$705 3$705 4 5 6 7 8$1,200 9$928 10$680 11 12 13 14$759 15$741 16$346 17$346 18 19 20 21$824 22$804 23$521 24$374 25$311 26$305 27$305 28$374 29$403 30$372 31$372 1$539

Limited Availability

12% of dates checked are available within 10% of the lowest price

Saturday, October 3rd, 2026

2 round-trip options

Returning

Sat, Oct 10, 2026•7 Day Trip

$705 USD

Returning

Sat, Oct 17, 2026•14 Day Trip

$823 USD