Are there nonstop flights from Perth (PER) to Houston (IAH)?

No. The fastest connection is via Sydney, about 21h 8m of total flying time.

What is the fastest connection from Perth (PER) to Houston (IAH)?

via Sydney ≈ 21h 8m, via Auckland ≈ 21h 20m, via Tokyo ≈ 22h 54m (estimated flying time, excluding layovers).

from 37,500 ANA miles, from 55,000 JAL miles (economy, one way, based on the published award charts).

Perth International Airport (PER) to George Bush Intercontinental Airport (IAH)・17,032 km

No nonstop flights. The fastest connection is via Sydney (SYD), about 21h 8m of flying time (layover not included).

With milesANA 37,500 miles+ (via AKL)JAL 55,000 miles+ (via DXB)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

8 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.