how long is the flight from chicago to cairo
- Flying time from Chicago, IL to Cairo, Egypt. The total flight duration from Chicago, IL to Cairo, Egypt is 12 hours, 47 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.