Are there nonstop flights from Milan (MXP) to San José (SJO)?

No. The fastest connection is via Paris, about 12h 13m of total flying time.

What is the fastest connection from Milan (MXP) to San José (SJO)?

via Paris ≈ 12h 13m, via Zurich ≈ 12h 17m, via London ≈ 12h 21m (estimated flying time, excluding layovers).

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

Milan Malpensa International Airport (MXP) to Juan Santamaría International Airport (SJO)・9,441 km

No nonstop flights. The fastest connection is via Paris (CDG), about 12h 13m of flying time (layover not included).

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

None.

14 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.