Are there nonstop flights from San Juan (SJU) to Tokyo (HND)?

No. The fastest connection is via Washington, about 16h 48m of total flying time.

What is the fastest connection from San Juan (SJU) to Tokyo (HND)?

via Washington ≈ 16h 48m, via Toronto ≈ 16h 48m, via Detroit ≈ 16h 48m (estimated flying time, excluding layovers).

from 47,000 JAL miles, from 57,500 ANA miles (economy, one way, based on the published award charts).

Luis Munoz Marin International Airport (SJU) to Tokyo Haneda International Airport (HND)・13,425 km

No nonstop flights. The fastest connection is via Washington (IAD), about 16h 48m of flying time (layover not included).

With milesJAL 47,000 miles+ (via DFW)ANA 57,500 miles+ (via IAD)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

10 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.