An electronic airline ticket is essentially a regular plane ticket, but presented in a form less familiar to travelers. All flight information (passenger data, route) is stored in an electronic database, and the passenger receives an itinerary receipt. Some passengers who purchase their plane ticket online and receive an itinerary receipt may be surprised by its appearance - it is a regular A4 sheet that has been printed with all the details of the upcoming flight. When registering for a flight, the passenger must present the itinerary receipt along with his or her ID just as they would present a regular paper ticket. It's worth noting that an electronic ticket purchased online costs less than its paper equivalent.
