Dropping someone off at UK airports can add up—on average it costs about £6.51,...

https://www.coast-bookmarks.win/dropping-off-at-uk-airports-can-quickly-add-up-on-average-around-6-51-but

Dropping someone off at UK airports can add up—on average it costs about £6.51, but places like Gatwick hit £10. Heathrow’s around £7, and remember, pick-up fees can differ too