Are there nonstop flights from Osaka (KIX) to Sochi (AER)?

No. The fastest connection is via Istanbul, about 12h 24m of total flying time.

What is the fastest connection from Osaka (KIX) to Sochi (AER)?

via Istanbul ≈ 12h 24m, via Dubai ≈ 12h 49m, via Abu Dhabi ≈ 12h 59m (estimated flying time, excluding layovers).

Kansai International Airport (KIX) to Sochi International Airport (AER)・7,840 km

No nonstop flights. The fastest connection is via Istanbul (IST), about 12h 24m of flying time (layover not included).

None.

3 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.