Are there nonstop flights from Boise (BOI) to Rome (FCO)?

No. The fastest connection is via Minneapolis, about 12h 24m of total flying time.

What is the fastest connection from Boise (BOI) to Rome (FCO)?

via Minneapolis ≈ 12h 24m, via Seattle ≈ 12h 29m, via Denver ≈ 12h 44m (estimated flying time, excluding layovers).

from 27,500 ANA miles, from 45,000 JAL miles (economy, one way, based on the published award charts).

Boise Air Terminal/Gowen Field (BOI) to Rome–Fiumicino Leonardo da Vinci International Airport (FCO)・9,220 km

No nonstop flights. The fastest connection is via Minneapolis (MSP), about 12h 24m of flying time (layover not included).

With milesANA 27,500 miles+ (via DEN)JAL 45,000 miles+ (via SEA)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

8 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.