TerminalA.co.uk (Terminal A GB) - find & book cheap flights

What they say:

"Terminal A is the biggest independent online travel agency in Europe, driving business in 18 countries. We are a specialized service for flight search and booking. We have integrated over 500 airlines and the main low-cost companies in every market. Thanks to a world-class technology we are capable of providing the final user with the best and lowest fares possible."