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

IAD Airport Page →
1,682 mi airlines charter/private 7/wk
On-time Some delays Frequent delays
Flight Schedule 2 flights Verified 2m 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
UA346
UA United
B38M
8:17 AM
EDT
12:33 PM
AST
4h 16m
43%
M T W T F S S
Prices
UA1223
UA United
B38M
3:50 PM
AST
8:17 PM
EDT
4h 27m
M T W T F S S
Prices

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.

✦ 1-Stop connections via 10 hubs
MIA Miami 6h 33m CMEJAJD AAM6QR Miami (MIA) to Sint Maarten flights
JFK New York 7h 9m AFAMAV B6DLQR New York (JFK) to Sint Maarten flights
YYZ Toronto 7h 22m ACAVCM ACWS Toronto (YYZ) to Sint Maarten flights
CLT Charlotte 7h 36m AAACAT AA Charlotte (CLT) to Sint Maarten flights
ATL Atlanta 7h 50m AFAMCM DL Atlanta (ATL) to Sint Maarten flights
EWR Newark 8h 19m AVAZET UA Newark (EWR) to Sint Maarten flights
PTY Tocumen 9h 12m CM CM Tocumen (PTY) to Sint Maarten flights
BOS Boston 13h 19m AVAZCM B6 Boston (BOS) to Sint Maarten flights
PHL Philadelphia 14h 5m ACAVCM AA Philadelphia (PHL) to Sint Maarten flights
YUL Montréal 15h 24m ACAVCM WS Montréal (YUL) to Sint Maarten flights
1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Dulles to Sint Maarten
1 carrier, 7 flights/week nonstop.
1 Airlines 1,682 mi 4h 16m nonstop

IAD–SXM is served by 1 airline with nonstop service. United Airlines leads the route. The flight covers 1,682 miles in approximately 4h 16m. Beyond nonstop, 1-stop connecting options are also available.

Airline Landscape

All carriers operating nonstop IAD–SXM service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
UA United Airlines 7 B38M 4h16 63% Star Alliance
Aircraft on this route
B38M Boeing 737 MAX 8 – UA
Alliance coverage
Star Alliance: UA (7 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, IAD to SXM direction.
Mon
1
flight
Tue
1
flight
Wed
1
flight
Thu
1
flight
Fri
1
flight
Sat
1
flight
Sun
1
flight
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
1
Nonstop flights
7
Outbound / wk
7
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for IAD to SXM.
1-STOP
One-Stop Connections
19
Hubs
~6h
Fastest
~27h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,142
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
63%
Moderate delays possible. Allow buffer time.
Departing
63%
Return
SXM → IAD
72%
Moderate delays possible. Allow buffer time.
Arriving
72%
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 1 2
Weekly flights 7 2
Flight time 4h 16m 4h 25m
Departure OTP 63%
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
Weekly flights7 out / 7 return
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 operates flights from IAD to SXM: United Airlines.
This route has daily service. Check the schedule above for departure days and times in each direction.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Miami, John F. Kennedy and Toronto Pearson.
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) are connected by nonstop service from United Airlines. With 7 weekly departures, this is a regularly served route.

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). There are approximately 7 weekly flights outbound and 7 return, totaling 14 flights per week in both directions.

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Miami, John F. Kennedy and Toronto Pearson. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Baltimore (BWI).