Are there nonstop flights from Manzanillo (ZLO) to Washington (IAD)?

No. The fastest connection is via Houston, about 5h 2m of total flying time.

What is the fastest connection from Manzanillo (ZLO) to Washington (IAD)?

via Houston ≈ 5h 2m, via Mexico City ≈ 5h 13m, via Dallas-Fort Worth ≈ 5h 13m (estimated flying time, excluding layovers).

from 25,000 JAL miles (economy, one way, based on the published award charts).

Playa de Oro International Airport (ZLO) to Washington Dulles International Airport (IAD)・3,409 km

No nonstop flights. The fastest connection is via Houston (IAH), about 5h 2m of flying time (layover not included).

With milesJAL 25,000 miles+ (via LAX)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

6 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.