Are there nonstop flights from Toronto (YYZ) to Kailua-Kona (KOA)?

No. The fastest connection is via Sacramento, about 9h 44m of total flying time.

What is the fastest connection from Toronto (YYZ) to Kailua-Kona (KOA)?

via Sacramento ≈ 9h 44m, via San Francisco ≈ 9h 45m, via Salt Lake City ≈ 9h 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).

Toronto Pearson International Airport (YYZ) to Ellison Onizuka Kona International Airport at Keāhole (KOA)・7,434 km

No nonstop flights. The fastest connection is via Sacramento (SMF), about 9h 44m of flying time (layover not included).

With milesANA 23,500 miles+ (via SFO)JAL 37,000 miles+ (via SEA)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.