Are there nonstop flights from Washington (IAD) to Auckland (AKL)?

No. The fastest connection is via Houston, about 17h 18m of total flying time.

What is the fastest connection from Washington (IAD) to Auckland (AKL)?

via Houston ≈ 17h 18m, via Dallas-Fort Worth ≈ 17h 19m, via Los Angeles ≈ 17h 39m (estimated flying time, excluding layovers).

from 37,500 ANA miles, from 47,000 JAL miles (economy, one way, based on the published award charts).

Washington Dulles International Airport (IAD) to Auckland International Airport (AKL)・13,855 km

No nonstop flights. The fastest connection is via Houston (IAH), about 17h 18m of flying time (layover not included).

With milesANA 37,500 miles+ (via IAH)JAL 47,000 miles+ (via DFW)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

12 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.