When it comes to saving a few coins, are budget airlines actually worth it? But not all budget airlines are created equal. Some actually deliver decent service at a fraction of the price, which might be worth considering if you're trying to stretch your wallet. Recently, one of Europe's more buzzed-about budget airlines, Ryanair, has increased its carry-on size limit. The change comes as the European Union is making an effort to standardize bag size allowance across all European airlines, but it is a game-changing moment for globetrotters.