The internet was supposed to mean a more level playing field. But according to BA's French online booking system, a seat booked using a French credit card on flight BA8136 from Nice to Gatwick at 10.35pm on August 1, would cost only e22 plus taxes. A return seat on BA8135, leaving Gatwick the following Sunday for Nice at 7pm, would also cost e22. When you add the hefty taxes, the final bill is e94.29, or £63.