The total flight duration from California to Hawaii is 5 hours, 30 minutes. This assumes an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/h or 434 knots.It also adds an extra 30 minutes for take-off and landing. Your exact time may vary depending on wind speeds.he calculation of flight time is based on the straight line flight distance from California to Hawaii (as the crow flies), which is about 2,498 miles or 4 021 kilometers. Your trip begins in the state of California.