Are there nonstop flights from Seattle (SEA) to San Juan (SJU)?

No. The fastest connection is via Atlanta, about 8h 3m of total flying time.

What is the fastest connection from Seattle (SEA) to San Juan (SJU)?

via Atlanta ≈ 8h 3m, via Nashville ≈ 8h 3m, via St Louis ≈ 8h 4m (estimated flying time, excluding layovers).

from 23,000 JAL miles, from 30,000 ANA miles (economy, one way, based on the published award charts).

Seattle–Tacoma International Airport (SEA) to Luis Munoz Marin International Airport (SJU)・5,996 km

No nonstop flights. The fastest connection is via Atlanta (ATL), about 8h 3m of flying time (layover not included).

With milesJAL 23,000 miles+ (via CLT)ANA 30,000 miles+ (via DEN)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

27 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.