Are there nonstop flights from Amsterdam (AMS) to Seattle (SEA)?

Yes. Delta Air Lines fly this route. Flight time is about 9h 43m.

What is the fastest connection from Amsterdam (AMS) to Seattle (SEA)?

via Reykjavík ≈ 10h 14m, via Edmonton ≈ 10h 14m, via Calgary ≈ 10h 17m (estimated flying time, excluding layovers).

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

Amsterdam Airport Schiphol (AMS) to Seattle–Tacoma International Airport (SEA)・7,840 km

Nonstop flights available (1 airline). Flight time about 9h 43m. Nonstop return flights also operate.

With milesANA 27,500 miles+ (via FRA)JAL 37,000 miles+ (via LHR)Economy, one way, estimate. Tap a connection for miles by cabin.

38 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.