Distance From Lakeside Marina Seaplane Base to Guanacaste Airport

The distance from Lakeside Marina Seaplane Base () to Guanacaste Airport (LIR) is 2511 miles or 4040 kilometers or 2180 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 East Winthrop ( United States ) to Liberia ( Costa Rica )?

A one-way nonstop (direct) flight between East Winthrop and Liberia takes around 5 hours 46 minutes.

Estimated flight time from Lakeside Marina Seaplane Base, East Winthrop, United States to Guanacaste Airport, Liberia, Costa Rica is 5 hours 46 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 • - LIR

Kilometers		4040 km
Statute Miles		2511 miles
Nautical Miles		2180 nm
Avg. Time of Flight		5 hours 46 minutes

Lakeside Marina Seaplane Base to Guanacaste Airport Flight Route Map - to LIR Flight Path

Location of Lakeside Marina Seaplane Base & Guanacaste Airport is given below.
Click the map to view East Winthrop to Liberia nonstop flight path and travel direction.

Click to see flight route on Google Map between East Winthrop, United States and Liberia, Costa Rica. .

Nonstop flight route between East Winthrop, United States and Liberia, Costa Rica.

Time Difference Between the Airports • - LIR

Time difference between East Winthrop (United States) and Liberia (Costa Rica) is 2 Hours.
Liberia time is 2 Hours behind East Winthrop.

Location	Local Time
East Winthrop (United States)	2026-09-24, 00:16:14 EDT
Liberia (Costa Rica)	2026-09-23, 22:16:14 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

Lakeside Marina Seaplane Base ( / 03M) East Winthrop, United States

Destination

Guanacaste Airport (LIR / MRLB) Liberia, Costa Rica