Are there nonstop flights from Seattle (SEA) to Luxembourg (LUX)?

No. The fastest connection is via Amsterdam, about 10h 35m of total flying time.

What is the fastest connection from Seattle (SEA) to Luxembourg (LUX)?

via Amsterdam ≈ 10h 35m, via London ≈ 10h 40m, via Dublin ≈ 10h 42m (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 Luxembourg-Findel International Airport (LUX)・8,144 km

No nonstop flights. The fastest connection is via Amsterdam (AMS), about 10h 35m of flying time (layover not included).

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

None.

11 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.