Are there nonstop flights from Lagos (LOS) to Osaka (KIX)?

No. The fastest connection is via Istanbul, about 16h 42m of total flying time.

What is the fastest connection from Lagos (LOS) to Osaka (KIX)?

via Istanbul ≈ 16h 42m, via Doha ≈ 16h 48m, via Dubai ≈ 16h 51m (estimated flying time, excluding layovers).

from 47,000 JAL miles, from 50,000 ANA miles (economy, one way, based on the published award charts).

Murtala Muhammed International Airport (LOS) to Kansai International Airport (KIX)・13,217 km

No nonstop flights. The fastest connection is via Istanbul (IST), about 16h 42m of flying time (layover not included).

With milesJAL 47,000 miles+ (via DOH)ANA 50,000 miles+ (via IST)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

5 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.