Airline Ticket Search(3rd Party Database)

[asadqq]

Hi , I would like to know the complexity and skills needed to develop a website which finds airfare /Airline tickets from multiple 3rd party database , and redirects the user to the 3rd part when a certain result is chosen for booking.

I have an example of what i am looking to achieve

http://flights.idealo.co.uk

Any help would be highly appreciated.

Regards