The recent explosion in the numbers of budget airlines offering very low cost air travel to passengers has signalled a revolution in the airline industry.
There are now hundreds of budget opperators offering cheap flights from small as well as large established airports.
You must make sure that you know in advance where you are landing. We have heard stories of one German budget opperators offering trips to Venice but actually landing their customers at a small airport in Austria! Venice's real Airport is called Marco Polo.
Here is a list of budget airlines with decent reputations:
Fly Thomas Cook