Are there nonstop flights from Houston (IAH) to Beijing (PKX)?

No. The fastest connection is via Tokyo, about 16h 5m of total flying time.

What is the fastest connection from Houston (IAH) to Beijing (PKX)?

via Tokyo ≈ 16h 5m, via Amsterdam ≈ 19h 44m, via London ≈ 19h 47m (estimated flying time, excluding layovers).

from 30,000 ANA miles, from 50,000 JAL miles (economy, one way, based on the published award charts).

George Bush Intercontinental Airport (IAH) to Beijing Daxing International Airport (PKX)・11,620 km

No nonstop flights. The fastest connection is via Tokyo (HND), about 16h 5m of flying time (layover not included).

With milesANA 30,000 miles+ (via FRA)JAL 50,000 miles+ (via DOH)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

7 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.