The hidden charge is the fact that the charges can cost more than the flight and I'm talking about at the BA level. Seasoned travelling friend of mine who had not flown recently looked round from his laptop and asked me to double check. Sure enough two flights were slightly cheaper than the charges.

Airlines are charging an increasing number of additional fees which can significantly bump up the cost of what initially appears to be a cheap flight. Bob Atkinson, of travelsupermarket.com, takes a look...

Hidden flight charges unravelled