The main advantage of Ryanair it is undoubtedly the exceptionally low price of their tickets. However, this also entails a number of disadvantages, such as less space in the cabin, which is a discomfort during the journey for a large number of passengers. You have all the information in: «Ryanair airline review: advantages and disadvantages«.
You have all the information in: "Ryanair airline review: advantages and disadvantages".