Are there nonstop flights from Amsterdam (AMS) to San José (SJO)?

Yes. KLM fly this route. Flight time is about 11h 10m.

What is the fastest connection from Amsterdam (AMS) to San José (SJO)?

via London ≈ 11h 41m, via Miami ≈ 11h 52m, via Paris ≈ 11h 59m (estimated flying time, excluding layovers).

from 35,000 ANA miles, from 37,000 JAL miles (economy, one way, based on the published award charts).

Amsterdam Airport Schiphol (AMS) to Juan Santamaría International Airport (SJO)・9,060 km

Nonstop flights available (1 airline). Flight time about 11h 10m. Nonstop return flights also operate.

With milesANA 35,000 miles+ (via EWR)JAL 37,000 miles+ (via LHR)Economy, one way, estimate. Tap a connection for miles by cabin.

28 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.