Increasing amount of people contemporarily tend to be keen on travelling. It is indicated by the fact that, firstly, increasing number of enterprises provide us possibilities to visit foreign countries in relatively interesting price. That’s the reason why, the percentage of people, who have at least once travelled with an airplane has considerably improved during recent years. It is proved by the fact that different carriers such as inter alia Ryanair, Wizzair, Lufthansa etc. provide from time to time tickets in a really affordable prize.