Are there nonstop flights from San Salvador (SAL) to Liberia (LIR)?

No. The fastest connection is via San José, about 1h 57m of total flying time.

What is the fastest connection from San Salvador (SAL) to Liberia (LIR)?

via San José ≈ 1h 57m (estimated flying time, excluding layovers).

El Salvador International Airport Saint Óscar Arnulfo Romero y Galdámez (SAL) to Daniel Oduber Quirós International Airport (LIR)・496 km

No nonstop flights. The fastest connection is via San José (SJO), about 1h 57m of flying time (layover not included).

None.

1 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.