Probably Aerolegends, they operate out of North Weald Essex, and Headcorn, Kent. You can fly in a Spitfire and also fly alongside in a Harvard an American training plane from that era and take pics. They do flights to various places, and I know they go over Canterbury. £2975 if you fancy a spin in a Spitfire, the Harvard is around £300.
They have been around us twice this week, plus we had the Strikemaster jets and Vampire based at North Weald for Eastbourne air show last week, and the Lancaster based locally. So it's been quite nice. Although the Strikemasters do spook the hens somewhat