Are there nonstop flights from Morelia (MLM) to Houston (IAH)?

Yes. United Express, Volaris fly this route. Flight time is about 1h 59m.

What is the fastest connection from Morelia (MLM) to Houston (IAH)?

via Monterrey ≈ 2h 34m, via San Antonio ≈ 2h 40m, via Mexico City ≈ 2h 42m (estimated flying time, excluding layovers).

from 15,000 JAL miles (economy, one way, based on the published award charts).

General Francisco J. Mujica International Airport (MLM) to George Bush Intercontinental Airport (IAH)・1,264 km

Nonstop flights available (2 airlines). Flight time about 1h 59m. Nonstop return flights also operate.

With milesJAL 15,000 miles+ (via DFW)Economy, one way, estimate. Tap a connection for miles by cabin.

5 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.