International airports within Costa Rica:
Liberia, Costa Rica Airport (LIR)| Daniel Oduber Quiros Airport
Located about 20 minutes away from Playa Hermosa, this airport caters to airlines like: American, Delta, United, Air Canada and many others. Please check their website for a full list of air carriers available.
If flying into Liberia, you can either rent a vehicle, take a short taxi ride, take public bus.
A word of warning:
When renting a vehicle in Costa Rica, there is an insurance policy that is mandatory. Many companies do not include this in the estimate and travelers are surprised at vehicle pickup.