Are there nonstop flights from Colombo (CMB) to Washington (IAD)?

No. The fastest connection is via Frankfurt am Main, about 18h 11m of total flying time.

What is the fastest connection from Colombo (CMB) to Washington (IAD)?

via Frankfurt am Main ≈ 18h 11m, via London ≈ 18h 12m, via Dubai ≈ 18h 14m (estimated flying time, excluding layovers).

from 40,000 ANA miles, from 47,000 JAL miles (economy, one way, based on the published award charts).

Bandaranaike International Colombo Airport (CMB) to Washington Dulles International Airport (IAD)・14,379 km

No nonstop flights. The fastest connection is via Frankfurt am Main (FRA), about 18h 11m of flying time (layover not included).

With milesANA 40,000 miles+ (via IST)JAL 47,000 miles+ (via DXB)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

10 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.