Are there nonstop flights from Osaka (KIX) to San Juan (SJU)?

No. The fastest connection is via Toronto, about 17h 9m of total flying time.

What is the fastest connection from Osaka (KIX) to San Juan (SJU)?

via Toronto ≈ 17h 9m (estimated flying time, excluding layovers).

Kansai International Airport (KIX) to Luis Munoz Marin International Airport (SJU)・13,722 km

No nonstop flights. The fastest connection is via Toronto (YYZ), about 17h 9m 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.