Are there nonstop flights from St Louis (STL) to Kailua-Kona (KOA)?

No. The fastest connection is via Las Vegas, about 8h 43m of total flying time.

What is the fastest connection from St Louis (STL) to Kailua-Kona (KOA)?

via Las Vegas ≈ 8h 43m, via Los Angeles ≈ 8h 44m, via Denver ≈ 8h 45m (estimated flying time, excluding layovers).

from 23,500 ANA miles, from 37,000 JAL miles (economy, one way, based on the published award charts).

St. Louis Lambert International Airport (STL) to Ellison Onizuka Kona International Airport at Keāhole (KOA)・6,570 km

No nonstop flights. The fastest connection is via Las Vegas (LAS), about 8h 43m of flying time (layover not included).

With milesANA 23,500 miles+ (via DEN)JAL 37,000 miles+ (via LAX)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

12 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.