Baltimore-Washington to Princess Juliana
1671 miles great-circle distance, typically flown in 3h 46m with 6 airlines operating direct service from Baltimore-Washington (BWI) 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 Baltimore-Washington
Baltimore-Washington Thurgood Marshall is Southwest Airlines' largest East Coast hub and one of the cheapest US airports for domestic travel. The MARC Penn Line and Amtrak both serve BWI Rail Station — a 12-minute light rail shuttle ride from the terminal — with onward service to Washington Union Station in 30 minutes ($8 MARC, $20+ Amtrak). Limited international long-haul (BA to London, Condor to Frankfurt seasonally); the focus is heavy short-haul Southwest and ULCC capacity.
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 BWI to SXM?
| Airline | IATA | Flight time | Cabin |
| Southwest Airlines | WN | 3h 46m | Economy |
| Spirit Airlines | NK | 3h 46m | Economy |
| Frontier Airlines | F9 | 3h 46m | Economy |
| American Airlines | AA | 3h 46m | Economy |
| Delta Air Lines | DL | 3h 46m | Economy |
| United Airlines | UA | 3h 46m | Economy |
6 carriers fly direct on this corridor. Frequencies vary by season — summer and winter holiday peaks see additional flights.
Best time to fly BWI→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.
Baltimore to St. Maarten FAQs
Direct flights from Baltimore-Washington (BWI) to Princess Juliana (SXM) take approximately 3h 46m for the 1671-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.
6 carriers operate direct service from Baltimore-Washington (BWI) to Princess Juliana (SXM): Southwest Airlines, Spirit Airlines, Frontier Airlines, American Airlines, Delta Air Lines and 1 more. Frequencies vary by season and carrier — Southwest Airlines 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.