Britons who park their car at airports are being warned of the increased prices as more drivers face parking cost hikes when going on holiday. Airports across the UK experienced 23.4 million people flying abroad between April and June 2023, a 14 per cent increase compared to the previous year. As more people get ready to travel over Easter and in the summer, motorists who park at airports should know how much they’re paying while abroad. Three London airports were flagged as being the most expensive for drivers to park for seven days. London City Airport costs £164.34 for a one-week stay while…