Are there nonstop flights from Washington (IAD) to Santiago (SCL)?

No. The fastest connection is via Bogota, about 10h 30m of total flying time.

What is the fastest connection from Washington (IAD) to Santiago (SCL)?

via Bogota ≈ 10h 30m, via Panama City ≈ 10h 34m, via Miami ≈ 10h 35m (estimated flying time, excluding layovers).

from 30,000 ANA miles, from 45,000 JAL miles (economy, one way, based on the published award charts).

Washington Dulles International Airport (IAD) to Comodoro Arturo Merino Benítez International Airport (SCL)・8,073 km

No nonstop flights. The fastest connection is via Bogota (BOG), about 10h 30m of flying time (layover not included).

With milesANA 30,000 miles+ (via BOG)JAL 45,000 miles+ (via DFW)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.