Are there nonstop flights from Eugene (EUG) to Washington (IAD)?

No. The fastest connection is via Chicago, about 5h 29m of total flying time.

What is the fastest connection from Eugene (EUG) to Washington (IAD)?

via Chicago ≈ 5h 29m, via Portland ≈ 5h 36m, via Salt Lake City ≈ 5h 37m (estimated flying time, excluding layovers).

from 15,000 ANA miles, from 23,000 JAL miles (economy, one way, based on the published award charts).

Eugene Airport (EUG) to Washington Dulles International Airport (IAD)・3,802 km

No nonstop flights. The fastest connection is via Chicago (ORD), about 5h 29m of flying time (layover not included).

With milesANA 15,000 miles+ (via ORD)JAL 23,000 miles+ (via SEA)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.