Castries to Sint Maarten (SLU–SXM) — Airlines, Schedules & Connections

SLU Airport Page →
311 mi airlines charter/private 2/wk
On-time Some delays Frequent delays
Flight Schedule 1 flight Verified 47m ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
✓
→
WM873
WM Winair
AT45
2:05 PM
AST
3:35 PM
AST
1h 30m
—
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 3 hubs
BGI Bridgetown 3h 28m BWJY → JYWM Bridgetown (BGI) to Sint Maarten flights
POS Port of Spain 5h 10m BWTX → BWWM Port of Spain (POS) to Sint Maarten flights
DOM Marigot 25h 13m JY → WM Marigot (DOM) to Sint Maarten flights
✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Castries to Sint Maarten
1 carrier, 2 flights/week nonstop.
1 Airlines 311 mi 1h 30m nonstop

SLU–SXM is served by 1 airline with nonstop service. Winair leads the route. The flight covers 311 miles in approximately 1h 30m. Beyond nonstop, 1-stop connecting options are also available.

Also explore SLU Routes SXM Routes SLU Live Flights SXM Live Flights
All flights from Sint Maarten (SXM) Sint Maarten to Castries flights
Carriers on this route

Airline Landscape

All carriers operating nonstop SLU–SXM service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
WM Winair 2 AT45 1h30 – – –
Aircraft on this route
AT45 ATR 42-500 – WM
Alliance coverage
Unaffiliated: WM (2 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Schedule

Weekly Schedule Pattern

Nonstop flight frequency by day of week, SLU to SXM direction.
Mon
1
flight
Tue
0
flights
Wed
0
flights
Thu
0
flights
Fri
0
flights
Sat
1
flight
Sun
0
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
1
Nonstop flights
2
Outbound / wk
0
Return / wk
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for SLU to SXM.
1-STOP
One-Stop Connections
3
Hubs
~3h
Fastest
~25h
Longest
BGI ~3h 28m POS ~5h 10m DOM ~25h 13m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
35
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.
Alternatives

Other ways to reach Sint Maarten from Castries

Nearby airports with service to Princess Juliana International Airport.
Metric SLU→SXM DOM→SXM BGI→SXM
Distance from SLU – 107 mi 120 mi
Nonstop airlines 1 2 4
Weekly flights 2 3 3
Flight time 1h 30m 1h 5m 1h 50m
Marigot (DOM) to Sint Maarten flights · Bridgetown (BGI) to Sint Maarten flights
Airports within 200 miles of SLU with service to Princess Juliana International Airport.
Know before you go

Travel Essentials

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

When it's 6:00 PM in Castries, it's 6:00 PM in Sint Maarten.
Distance & Flight Time
311 mi / 501 km
Nonstop flight time is approximately 1h 30m gate to gate.
Facts

SLU–SXM Quick Facts

Key statistics for the Castries to Sint Maarten route.
Route details
Distance311 mi / 501 km
Flight time1h 30m
Time difference0 hours
Airlines (nonstop)1
Weekly flights2 out
1-stop connectionsAvailable
Origin: SLU
Full nameGeorge F. L. Charles Airport
IATA / ICAOSLU / TLPC
TimezoneAmerica/St_Lucia
Elevation22 ft / 7 m
Destination: SXM
Full namePrincess Juliana International Airport
IATA / ICAOSXM / TNCM
TimezoneAmerica/Marigot
Passengers/yr1.8M
Elevation13 ft / 4 m
FAQ

Frequently Asked Questions

Common questions about SLU to SXM flights.
Nonstop flights from George F. L. Charles Airport to Princess Juliana International Airport take about 1h 30m gate to gate. The route covers 311 miles.
1 airline operates flights from SLU to SXM: Winair.
This route has limited weekly 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 Grantley Adams, Piarco and Douglas-Charles.
Nearby alternatives include DOM and BGI. 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.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from SLU to SXM

George F. L. Charles Airport (SLU) and Princess Juliana International Airport (SXM) are connected by nonstop service from Winair. With 2 weekly departures, this is a regularly served route.

SLU to SXM Flight Duration and Schedule

Nonstop flight time from SLU to SXM is about 1 hours 30 minutes gate to gate. The route covers a distance of 311 miles (501 km).

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Grantley Adams, Piarco and Douglas-Charles. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Marigot (DOM) and Bridgetown (BGI).