Dropping someone off at a UK airport can cost around £6.51 on average, but...

https://brooksfznx367.theburnward.com/cardiff-airport-drop-off-charge-up-50-how-do-you-avoid-it

Dropping someone off at a UK airport can cost around £6.51 on average, but places like Gatwick can hit £10, and Heathrow around £7. We’ll break down how these fees compare to parking, including free windows at Long Stay and Park & Ride lots