Are there nonstop flights from Washington (IAD) to Amami (ASJ)?

No. The fastest connection is via Tokyo, about 15h 16m of total flying time.

What is the fastest connection from Washington (IAD) to Amami (ASJ)?

via Tokyo ≈ 15h 16m (estimated flying time, excluding layovers).

Washington Dulles International Airport (IAD) to Amami Airport (ASJ)・12,011 km

No nonstop flights. The fastest connection is via Tokyo (HND), about 15h 16m of flying time (layover not included).

None.

1 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.