Boston Logan to Princess Juliana
1744 miles great-circle distance, typically flown in 3h 54m with 7 airlines operating direct service from Boston Logan (BOS) to Princess Juliana (SXM). Cheapest fares are usually in January (around $169 return), with peak prices in August (around $507). Departures on a Tuesday tend to undercut weekend prices on this corridor.
Flying from Boston Logan
Boston Logan International sits across the harbour from downtown — one of the most central airport locations in the country, just 3 miles from the Financial District. The Silver Line SL1 bus runs free for arriving passengers from each terminal directly to South Station in around 15 minutes; the MBTA Blue Line via the airport shuttle reaches downtown Boston in 25 minutes. JetBlue has its largest base here; Delta and AA add significant capacity, and transatlantic service from Aer Lingus, BA, Virgin and Lufthansa is dense.
Arriving in St. Maarten
Princess Juliana International on Sint Maarten is the dual-island Caribbean nation's primary airport — famous for its Maho Beach approach where aircraft pass meters above sunbathers. The terminal sits 3 km east of Philipsburg. Taxis are the only practical transfer option (~$15–$25 to Philipsburg). Peak demand mirrors the rest of the Caribbean — December–April; cheapest fares come in September–October.
Who flies BOS to SXM?
| Airline | IATA | Flight time | Cabin |
| JetBlue Airways | B6 | 3h 54m | Economy |
| Delta Air Lines | DL | 3h 54m | Economy |
| American Airlines | AA | 3h 54m | Economy |
| United Airlines | UA | 3h 54m | Economy |
| Southwest Airlines | WN | 3h 54m | Economy |
| Spirit Airlines | NK | 3h 54m | Economy |
| Alaska Airlines | AS | 3h 54m | Economy |
7 carriers fly direct on this corridor. Frequencies vary by season — summer and winter holiday peaks see additional flights.
Best time to fly BOS→SXM
Synthesised from 12-month price aggregates. Cheapest months in green, peak in red.
Estimated baseline. Prices update on a 30-day cadence as Travelpayouts data refreshes. Cheapest day-of-week typically Tuesday.
Boston to St. Maarten FAQs
Direct flights from Boston Logan (BOS) to Princess Juliana (SXM) take approximately 3h 54m for the 1744-mile journey, plus 30–60 minutes of taxi, climb and descent. Total airport-to-airport time depends on cruise winds and air-traffic queueing on approach.
January is typically the cheapest month on this route, with one-way fares from $169. August is the peak — expect prices 2–3× higher. Book 4–8 weeks ahead for best fares; last-minute prices on this corridor rise sharply inside two weeks of departure.
7 carriers operate direct service from Boston Logan (BOS) to Princess Juliana (SXM): JetBlue Airways, Delta Air Lines, American Airlines, United Airlines, Southwest Airlines and 2 more. Frequencies vary by season and carrier — JetBlue Airways typically operates the highest weekly count on this corridor.
Visa-free for US passport holders up to 90 days. Always check travel.state.gov for the latest entry requirements before booking.
Princess Juliana (SXM) is the primary international airport for St. Maarten. Allow 30–60 minutes for the ground transfer by train, express bus, taxi or rideshare depending on traffic and time of day. See the airport's official website for current train and shuttle timetables.