Dulles to Sint Maarten (IAD–SXM) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
IAD–SXM is served by 1 airline with nonstop service. United Airlines leads the route. The flight covers 1,682 miles in approximately 4h 6m. Beyond nonstop, 51 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| UA United Airlines | 7 | B38M | 4h17 | Star Alliance | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Other ways to reach Sint Maarten from Dulles
| Metric | IAD→SXM | BWI→SXM |
|---|---|---|
| Distance from IAD | – | 45 mi |
| Nonstop airlines | 1 | 1 |
| Weekly flights | 8 | 3 |
| Flight time | 4h 6m | 3h 46m |
| Departure OTP | 66% | – |
Travel Essentials
IAD: EDT · SXM: AST
When it's 6:00 PM in Dulles, it's 6:00 PM in Sint Maarten.
US passport holders enter Sint Maarten visa-free for up to 90 days. No advance application is needed. Sint Maarten is a constituent country of the Kingdom of the Netherlands, occupying the southern 34 square kilometers of the island. The northern part is Saint-Martin, a French overseas collectivity. Passport must be valid for at least 6 months beyond the date of entry. At Princess Juliana International Airport (SXM), immigration stamps your passport. SXM is famous for its short runway adjacent to Maho Beach, where planes pass low overhead on approach.
Movement between the Dutch south (Sint Maarten) and French north (Saint-Martin) is open with no border controls. The border is unmarked along most of its length. The two sides share the island but operate different legal and currency systems. Philipsburg is the Dutch capital with duty-free shopping on Front Street. Marigot is the French capital with bistros and a waterfront market. Great Bay, Orient Bay, and Mullet Bay are popular beaches.
Direct flights from Miami (MIA) to SXM run about 3 hours 30 minutes on American Airlines. New York JFK to SXM runs about 4 hours on JetBlue and Delta. Atlanta, Charlotte, and Fort Lauderdale also have nonstop service. The Dutch side uses the Netherlands Antillean guilder (ANG), pegged at 1.79 ANG per $1, but US dollars are accepted everywhere and are the practical currency for tourists. The French side uses the euro. Card payments work on both sides. Taxis operate at fixed rates posted at the airport: SXM to Philipsburg costs $20, to Marigot $25, to Orient Bay $35. There is no public bus service, but dollar vans (shared minibuses) run between Philipsburg and Marigot for $2.
WMATA Silver Line Metro now reaches Dulles directly; take Silver Line to Washington Dulles Airport station (about 65 min from Metro Center, ~$7). The connection opened in late 2022.Ride-shares from downtown DC run $35–60 and take 35–50 minutes via I-66 (longer during peak hours). Washington Flyer coach to Wiehle-Reston East Metro costs $6. The airport is 27 miles from downtown; taxis are expensive ($60–80).
IAD–SXM Quick Facts
Frequently Asked Questions
Flights from IAD to SXM
Washington Dulles International Airport (IAD) and Princess Juliana International Airport (SXM) are connected by nonstop service from United Airlines. With 8 weekly departures, this is a regularly served route.
IAD to SXM Flight Duration and Schedule
Nonstop flight time from IAD to SXM ranges from 4 hours 6 minutes to 4 hours 17 minutes. The route covers a distance of 1,682 miles (2,706 km). There are approximately 8 weekly flights outbound and 8 return, totaling 16 flights per week in both directions.
Connecting Options and Alternatives
51 one-stop connections are available, with the fastest taking approximately 5 hours via AXA. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Baltimore (BWI).