SXM to BOS from $347 in economy – flightdeals.net

Home Premium Fare Deals About

United Airlines

UAUnited Airlines

Round Trip•Economy

Princess Juliana International Airport

Sint Maarten, Sint Maarten

Logan International Airport

Boston, United States

$683 USD

-49%$347 USD

Verified 13 days ago

August 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

27$565 28$502 29$347 30$391 31$537 1$410 2$539 3$539 4$474 5$391 6$493 7$542 8$607 9$612 10$604 11 12 13 14 15$1,028 16 17 18 19 20 21 22$820 23 24 25 26 27 28 29$439 30 31 1 2 3 4 5$347 6

Limited Availability

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

Monday, August 10th, 2026

4 round-trip options

Returning

Sat, Aug 15, 2026•5 Day Trip

$604 USD

Returning

Wed, Aug 19, 2026•9 Day Trip

$981 USD

Returning

Fri, Aug 21, 2026•11 Day Trip

$648 USD

Returning

Sat, Aug 22, 2026•12 Day Trip

$648 USD