Alaska Airlines has dates in April and May with nonstop flights from Los Angeles LAX to LIR Liberia, Costa Rica at $292 round trip. Liberia is the primary airport in Costa Rica for the major chain resorts in the Pacific Coast Guanacaste region.
Alaska Airlines Los Angeles LAX – LIR Liberia, Costa Rica
$291.98 round trip April 21 – 28
This is an Alaska economy class R fare. Unfortunately, the recent 2016 American Airlines AAdvantage changes exclude Alaska Airlines economy R class as a miles earning fare. Still 100% RDM (5,254 flight miles) for Alaska Mileage Plan members.