Are there nonstop flights from Houston (IAH) to Cairo (CAI)?

No. The fastest connection is via Rome, about 14h 16m of total flying time.

What is the fastest connection from Houston (IAH) to Cairo (CAI)?

via Rome ≈ 14h 16m, via Toronto ≈ 14h 16m, via Paris ≈ 14h 17m (estimated flying time, excluding layovers).

from 35,000 ANA miles, from 45,000 JAL miles (economy, one way, based on the published award charts).

George Bush Intercontinental Airport (IAH) to Cairo International Airport (CAI)・11,274 km

No nonstop flights. The fastest connection is via Rome (FCO), about 14h 16m of flying time (layover not included).

With milesANA 35,000 miles+ (via YYZ)JAL 45,000 miles+ (via CDG)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.