Are there nonstop flights from Seattle (SEA) to Belgrade (BEG)?

No. The fastest connection is via Copenhagen, about 11h 44m of total flying time.

What is the fastest connection from Seattle (SEA) to Belgrade (BEG)?

via Copenhagen ≈ 11h 44m, via Munich ≈ 11h 52m, via Amsterdam ≈ 11h 53m (estimated flying time, excluding layovers).

from 27,500 ANA miles, from 47,000 JAL miles (economy, one way, based on the published award charts).

Seattle–Tacoma International Airport (SEA) to Belgrade Nikola Tesla Airport (BEG)・9,125 km

No nonstop flights. The fastest connection is via Copenhagen (CPH), about 11h 44m of flying time (layover not included).

With milesANA 27,500 miles+ (via MUC)JAL 47,000 miles+ (via DOH)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

16 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.