BOS to SXM from $311 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

$681 USD

-54%$311 USD

Verified about 4 hours ago

August 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

27 28 29 30 31 1 2 3 4 5 6 7 8$1,151 9$1,120 10$870 11 12$1,119 13$1,104 14$898 15$858 16 17 18 19 20$1,092 21$810 22$480 23 24 25 26$744 27$516 28$473 29$398 30 31 1 2 3$611 4$372 5$390 6

Extremely Rare Availability

1% of dates checked are available within 10% of the lowest price

Sunday, August 9th, 2026

2 round-trip options

Returning

Sat, Aug 15, 2026•6 Day Trip

$1,298 USD

Returning

Sat, Aug 22, 2026•13 Day Trip

$1,120 USD