It's that time of year for sun, sea... and spend, spend, spend.

As millions of Brits head off for their annual summer holidays, the cost of paying for all the extras on top of the booking price can mount up.

But there are ways to save money by doing a little planning ahead.

A Which? spokesman said: "Even little things like taking an empty plastic bottle with you when you go to the airport and filling it up after you have gone through the security checks can help - all those pounds soon add up."

Read more abou the essential holiday survival guide..