Regulate The Flight Prices so that they are the same all year round

Background

To regulate the flights inbound/outbound of the UK so they are the same all year around not more expensive over the School holidays.

Additional details

The normal working families do not afford to go anywhere during the school holidays with the kids do to higher costs. It is possible to get a flight for £10-15 during the school year but when it comes to school holidays the same flight it costs £200-£300.