Are there nonstop flights from Seattle (SEA) to Ho Chi Minh City (SGN)?

No. The fastest connection is via Hong Kong, about 15h 2m of total flying time.

What is the fastest connection from Seattle (SEA) to Ho Chi Minh City (SGN)?

via Hong Kong ≈ 15h 2m, via Shanghai ≈ 15h 3m, via Seoul ≈ 15h 3m (estimated flying time, excluding layovers).

from 27,500 ANA miles, from 40,000 JAL miles (economy, one way, based on the published award charts).

Seattle–Tacoma International Airport (SEA) to Tan Son Nhat International Airport (SGN)・11,934 km

No nonstop flights. The fastest connection is via Hong Kong (HKG), about 15h 2m of flying time (layover not included).

With milesANA 27,500 miles+ (via HND)JAL 40,000 miles+ (via NRT)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

21 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.