Thinking of dropping someone off at the airport? On average, it costs about...

https://jeffreysbestjournal.opalvector.com/posts/what-should-i-check-before-i-rely-on-a-free-long-stay-drop-off-window

Thinking of dropping someone off at the airport? On average, it costs about £6.51 in UK drop-off fees, but places like Gatwick can charge £10, and Heathrow around £7