Are there nonstop flights from Haikou (HAK) to Osaka (ITM)?

No. The fastest connection is via Tokyo, about 5h 34m of total flying time.

What is the fastest connection from Haikou (HAK) to Osaka (ITM)?

via Tokyo ≈ 5h 34m (estimated flying time, excluding layovers).

Haikou Meilan International Airport (HAK) to Osaka Itami International Airport (ITM)・2,955 km

No nonstop flights. The fastest connection is via Tokyo (NRT), about 5h 34m 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.