Dulles to Sint Maarten (IAD–SXM) — Airlines, Schedules & Connections

IAD Airport Page →
1,682 mi airlines charter/private
On-time Some delays Frequent delays
Connecting Flight Schedule 14 1-stop flights Verified 1mo ago
Also flown by charter / private operators.
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

No flights match your filters.

No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.

Last scheduled nonstop: Aug 2026.

✦ 1-Stop connections via 10 hubs
EWR Newark 6h 30m AVAZEJA UA Newark (EWR) to Sint Maarten flights
MIA Miami 6h 32m CMLXJUA AAM6 Miami (MIA) to Sint Maarten flights
FLL Fort Lauderdale 6h 42m CMF9UA B6 Fort Lauderdale (FLL) to Sint Maarten flights
CLT Charlotte 7h 15m AAACAT AA Charlotte (CLT) to Sint Maarten flights
YYZ Toronto 7h 16m ACAVCM ACWS Toronto (YYZ) to Sint Maarten flights
ATL Atlanta 7h 20m AFAMCM DL Atlanta (ATL) to Sint Maarten flights
PTY Tocumen 8h 59m CMUA CMTK Tocumen (PTY) to Sint Maarten flights
BOS Boston 13h 19m AVAZCM B6 Boston (BOS) to Sint Maarten flights
JFK New York 13h 51m AFAMCI B6DLQR New York (JFK) to Sint Maarten flights
MCO Orlando 15h 30m ADAVAZ WN Orlando (MCO) to Sint Maarten flights
1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Dulles to Sint Maarten
Connecting service available through multiple hubs.
1 Airlines 1,682 mi 4h 16m nonstop

IAD–SXM had nonstop service from United Airlines, last on the schedule in August 2026. There's no nonstop on it right now, so today you'd fly it with one stop. The connecting options below are sorted by layover. Nonstop, it's about 1,682 miles in 4h 16m.

Airline Landscape

Carriers that operated nonstop IAD–SXM service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
UA United Airlines 0 69% Star Alliance
Alliance coverage
Star Alliance: UA (0 flights/wk, 0%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Connection Landscape

1-stop and 2-stop options for IAD to SXM.
1-STOP
One-Stop Connections
14
Hubs
~6h
Fastest
~27h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
876
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.

On-Time Performance

What to expect at each end of your journey.
Outbound
IAD → SXM
69%
Moderate delays possible. Allow buffer time.
Departing
69%
Return
SXM → IAD
87%
Generally reliable. Most flights run on time.
Arriving
87%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. IAD delays →

Other ways to reach Sint Maarten from Dulles

Nearby airports with service to Princess Juliana International Airport.
Metric IAD→SXM BWI→SXM
Distance from IAD 45 mi
Nonstop airlines 2
Weekly flights
Flight time 4h 16m 4h 25m
Departure OTP 69%
Airports within 200 miles of IAD with service to Princess Juliana International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
0h
Sint Maarten is 0 hours the same as Dulles.
IAD: EDT · SXM: AST

When it's 6:00 PM in Dulles, it's 6:00 PM in Sint Maarten.
Distance & Flight Time
1,682 mi / 2,706 km
Nonstop flight time is approximately 4h 16m gate to gate.
Visa & Entry

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.

Getting to IAD

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

Key statistics for the Dulles to Sint Maarten route.
Route details
Distance1,682 mi / 2,706 km
Flight time4h 16m
Time difference0 hours
Airlines (nonstop)1
1-stop connectionsAvailable
Origin: IAD
IATA / ICAOIAD / KIAD
TimezoneAmerica/New_York
Passengers/yr26.0M
Elevation312 ft / 95 m
Destination: SXM
IATA / ICAOSXM / TNCM
TimezoneAmerica/Marigot
Passengers/yr1.8M
Elevation13 ft / 4 m

Frequently Asked Questions

Common questions about IAD to SXM flights.
Nonstop flights from Washington Dulles International Airport to Princess Juliana International Airport take about 4h 16m gate to gate. The route covers 1,682 miles.
1 airline operated the nonstop from IAD to SXM: United Airlines. The last scheduled nonstop was in August 2026. There's no nonstop right now, so today you'd fly it with one stop. See the connection options above, ranked by layover.
Not right now. The last scheduled nonstop was in August 2026. You can still fly it with one stop, and the connecting options above are sorted by layover. Nonstop, the hop took about 4h 16m.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Newark Liberty, Miami and Fort Lauderdale Hollywood.
On a single ticket, yes. Your bags are checked through to SXM and move between planes without you. On two separate tickets you collect your bags at the connecting airport and recheck them, so build in extra layover time.
Yes, return flights from SXM to IAD are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include BWI. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from IAD to SXM

Washington Dulles International Airport (IAD) and Princess Juliana International Airport (SXM) had nonstop service from United Airlines, last on the schedule in August 2026. The nonstop is dormant right now, so the way to fly it today is one connection, and the options above are sorted by layover.

IAD to SXM Flight Duration and Schedule

Nonstop flight time from IAD to SXM is about 4 hours 16 minutes gate to gate. The route covers a distance of 1,682 miles (2,706 km).

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Newark Liberty, Miami and Fort Lauderdale Hollywood. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Baltimore (BWI).