Are there nonstop flights from Seattle (SEA) to Valletta (MLA)?

No. The fastest connection is via Paris, about 12h 32m of total flying time.

What is the fastest connection from Seattle (SEA) to Valletta (MLA)?

via Paris ≈ 12h 32m, via London ≈ 12h 33m, via Dublin ≈ 12h 33m (estimated flying time, excluding layovers).

from 27,500 ANA miles, from 45,000 JAL miles (economy, one way, based on the published award charts).

Seattle–Tacoma International Airport (SEA) to Malta International Airport (MLA)・9,805 km

No nonstop flights. The fastest connection is via Paris (CDG), about 12h 32m of flying time (layover not included).

With milesANA 27,500 miles+ (via FRA)JAL 45,000 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.