Heading to a UK airport soon? Dropping someone off can cost you around £6.51 on...

https://source-wiki.win/index.php/Is_It_Ever_Worth_Paying_the_Barrier_Fee_When_You_Are_Running_Late%3F

Heading to a UK airport soon? Dropping someone off can cost you around £6.51 on average, but places like Gatwick hit £10, and Heathrow charges £7