It can really take some of the joy out of your vacation when you have to spend a huge chunk of change just getting to your destination, so it’s no surprise that there’s a demand for cheap air travel. But supplying it is a delicate balance of cutting just the right amount of corners, and being smart about it. (airsoc.com) さらに...
http://www.airnewslive.net/budget-airlines-cut-costs-make-flights-cheap/
Alternatively, you could just go non-stop to the Youtube video embedded in the page above:
https://www.youtube.com/watch?v=069y1MpOkQY