Are there nonstop flights from Kos (KGS) to Tokyo (HND)?

No. The fastest connection is via Helsinki, about 13h 17m of total flying time.

What is the fastest connection from Kos (KGS) to Tokyo (HND)?

via Helsinki ≈ 13h 17m, via Vienna ≈ 13h 33m, via Copenhagen ≈ 14h 2m (estimated flying time, excluding layovers).

from 31,000 ANA miles, from 40,000 JAL miles (economy, one way, based on the published award charts).

Kos International Airport "Ippokratis" (KGS) to Tokyo Haneda International Airport (HND)・9,390 km

No nonstop flights. The fastest connection is via Helsinki (HEL), about 13h 17m of flying time (layover not included).

With milesANA 31,000 miles+ (via VIE)JAL 40,000 miles+ (via HEL)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

7 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.