Distance From George F. L. Charles Airport to Guanacaste Airport, SLU - LIR Distance

The distance from George F. L. Charles Airport (SLU) to Guanacaste Airport (LIR) is 1674 miles or 2693 kilometers or 1454 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 Castries ( Saint Lucia ) to Liberia ( Costa Rica )?

A one-way nonstop (direct) flight between Castries and Liberia takes around 3 hours 50 minutes.

Estimated flight time from George F. L. Charles Airport, Castries, Saint Lucia to Guanacaste Airport, Liberia, Costa Rica is 3 hours 50 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 • SLU - LIR

Kilometers		2693 km
Statute Miles		1674 miles
Nautical Miles		1454 nm
Avg. Time of Flight		3 hours 50 minutes

George F. L. Charles Airport to Guanacaste Airport Flight Route Map - SLU to LIR Flight Path

Location of George F. L. Charles Airport & Guanacaste Airport is given below.
Click the map to view Castries to Liberia nonstop flight path and travel direction.

Click to see flight route on Google Map between Castries, Saint Lucia and Liberia, Costa Rica. .

Nonstop flight route between Castries, Saint Lucia and Liberia, Costa Rica.

Time Difference Between the Airports • SLU - LIR

Time difference between Castries (Saint Lucia) and Liberia (Costa Rica) is 2 Hours.
Liberia time is 2 Hours behind Castries.

Location	Local Time
Castries (Saint Lucia)	2026-01-29, 05:04:58 AST
Liberia (Costa Rica)	2026-01-29, 03:04:58 CST

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

George F. L. Charles Airport (SLU / TLPC) Castries, Saint Lucia

Destination

Guanacaste Airport (LIR / MRLB) Liberia, Costa Rica