Distance From Princess Juliana International Airport to London Heathrow Airport, SXM - LHR Distance

The distance from Princess Juliana International Airport (SXM) to London Heathrow Airport (LHR) is 4080 miles or 6565 kilometers or 3543 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

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How long does it take to travel from Saint Martin ( Sint Maarten ) to London ( United Kingdom )?

A one-way nonstop (direct) flight between Saint Martin and London takes around 9 hours 22 minutes.

Estimated flight time from Princess Juliana International Airport, Saint Martin, Sint Maarten to London Heathrow Airport, London, United Kingdom is 9 hours 22 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • SXM - LHR

Kilometers		6565 km
Statute Miles		4080 miles
Nautical Miles		3543 nm
Avg. Time of Flight		9 hours 22 minutes

Princess Juliana International Airport to London Heathrow Airport Flight Route Map - SXM to LHR Flight Path

Location of Princess Juliana International Airport & London Heathrow Airport is given below.
Click the map to view Saint Martin to London nonstop flight path and travel direction.

Click to see flight route on Google Map between Saint Martin, Sint Maarten and London, United Kingdom. .

Nonstop flight route between Saint Martin, Sint Maarten and London, United Kingdom.

Time Difference Between the Airports • SXM - LHR

Time difference between Saint Martin (Sint Maarten) and London (United Kingdom) is 4 Hours.
London time is 4 Hours ahead of Saint Martin.

Location	Local Time
Saint Martin (Sint Maarten)	2025-12-14, 23:50:04 AST
London (United Kingdom)	2025-12-15, 03:50:04 GMT

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

Princess Juliana International Airport (SXM / TNCM) Saint Martin, Sint Maarten

Destination

London Heathrow Airport (LHR / EGLL) London, United Kingdom