Are there nonstop flights from Kailua-Kona (KOA) to Boise (BOI)?

No. The fastest connection is via Sacramento, about 6h 26m of total flying time.

What is the fastest connection from Kailua-Kona (KOA) to Boise (BOI)?

via Sacramento ≈ 6h 26m, via San Francisco ≈ 6h 28m, via San Jose ≈ 6h 30m (estimated flying time, excluding layovers).

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

Ellison Onizuka Kona International Airport at Keāhole (KOA) to Boise Air Terminal/Gowen Field (BOI)・4,541 km

No nonstop flights. The fastest connection is via Sacramento (SMF), about 6h 26m of flying time (layover not included).

With milesJAL 23,000 miles+ (via SMF)ANA 23,500 miles+ (via SFO)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

14 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.