Cincinnati→BoiseNonstop Flight TimeCVG–BOI

Cincinnati (Cincinnati/Northern Kentucky International Airport) to Boise (Boise Airport).

Direct flights from CVG to BOI have an estimated flight time of about 4h, based on the 1,657-mile great-circle distance. Our current captured departure sample includes 1-2/day across 1 captured airline, with Sun Country Airlines appearing most often in that sample. Captured departure times run from 00:40 to 01:18 local time.

Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for CVG to BOI, last seen June 15, 2026. Frequency uses 8 scheduled departures across 7 observed days; flight time is estimated from great-circle distance until this route has enough tracked flights for an observed average. Provider coverage can miss operators on some routes, so confirm live timetables before booking.