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

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311 mi airlines 2/wk
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Flight Schedule 1 flight Verified 52m ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
✓
→
WM873
WM Winair
AT4
2:05 PM
AST
3:35 PM
AST
1h 30m
—
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

✦ 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 2 Flights/wk 311 mi 1h 30m nonstop 2 1-stop hubs

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, 2 hubs offer 1-stop connections.

Also explore SLU Routes SXM Routes SLU Live Flights SXM Live 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 AT4 1h30 – – –
Aircraft on this route
AT4 Aerospatiale/Alenia ATR 42-300 – 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
2
Hubs
~16h
Fastest
~20h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
39
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 BGI→SXM
Distance from SLU – 120 mi
Nonstop airlines 1 4
Weekly flights 2 4
Flight time 1h 30m 1h 20m
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.
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 connections2 hubs
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 approximately 1h 30m. The route covers 311 miles.
1 airline operates nonstop service: Winair.
There are approximately 2 nonstop flights per week from SLU to SXM.
Yes, 1-stop connections are available through POS and BGI. These options provide additional schedule flexibility.
Nearby alternatives include 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 ranges from 1 hours 30 minutes. The route covers a distance of 311 miles (501 km).

Connecting Options and Alternatives

2 one-stop connections are available, with the fastest taking approximately 16 hours via POS. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Bridgetown (BGI).