There are a wide range of airports scattered around Egypt. Your tour operator or local airport will be able to advise you about which is most suitable for your trip. Before travelling, it is also best to find out about the amenities that the airport has to offer, as well as how you are to travel from the airport to your destination. Cairo International Airport and Sharm el Sheikh Ophira International Airport are probably the most visited airports for those travelling on holiday, and more information can be found on their websites:
Cairo
Sharm el Sheikh