Are there nonstop flights from Baotou (BAV) to Haikou (HAK)?

Yes. China Express Airlines fly this route. Flight time is about 3h 12m.

What is the fastest connection from Baotou (BAV) to Haikou (HAK)?

via Xi'an ≈ 3h 43m, via Luoyang ≈ 3h 45m, via Changsha ≈ 3h 47m (estimated flying time, excluding layovers).

from 10,000 ANA miles (economy, one way, based on the published award charts).

Baotou Donghe International Airport (BAV) to Haikou Meilan International Airport (HAK)・2,294 km

Nonstop flights available (1 airline). Flight time about 3h 12m. Nonstop return flights also operate.

With milesANA 10,000 miles+ (via WUH)Economy, one way, estimate. Tap a connection for miles by cabin.

19 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.