Are there nonstop flights from Seattle (SEA) to Bari (BRI)?

No. The fastest connection is via Munich, about 12h 1m of total flying time.

What is the fastest connection from Seattle (SEA) to Bari (BRI)?

via Munich ≈ 12h 1m, via Frankfurt am Main ≈ 12h 2m, via Amsterdam ≈ 12h 2m (estimated flying time, excluding layovers).

from 27,500 ANA miles, from 37,000 JAL miles (economy, one way, based on the published award charts).

Seattle–Tacoma International Airport (SEA) to Bari Karol Wojtyła International Airport (BRI)・9,370 km

No nonstop flights. The fastest connection is via Munich (MUC), about 12h 1m of flying time (layover not included).

With milesANA 27,500 miles+ (via MUC)JAL 37,000 miles+ (via CDG)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.