How long does it take from cairo to kiev?

Answer 1

A random search for flights from Cairo (CAI) to Kiev Borispol (KBP) shows:

OPTION 1: 6hr 45min via Moscow Domodedovo (DME)
CAI - DME Egyptair Flt 729 Dep 11:25am 14Jan,Thu
DME - KBP Transaero Airlines fLT 201 Dep 05:50pm 14Jan,Thu
Flight Duration: 5hr 35min; Layover Time: 1hr 10min; Total Trip Time: 6hr 45min

OPTION 2: 7hr 05min via Istanbul Ataturk (IST)
CAI - IST THY Turkish Airlines Flt 1143 Dep 03:50am 14Jan,Thu
IST - KBP THY Turkish Airlines Flt 1457 Dep 08:50am 14Jan,Thu
Flight Duration: 4hr 30min; Layover Time: 2hr 35min; Total Trip Time: 7hr 05min

Answer 2

A random search for flights from Kiev Borispol (KBP) to Cairo (CAI) shows:

OPTION 1: 7hr 10min via Prague (PRG)
OPTION 2: 7hr 45min via Istanbul (IST)
OPTION 3: 8hr 05min via Rome (FCO)