Some of your information are obsolete.
(1)Heathrow Airport to 市中心 Victoria Station via tube (underground)costs 4镑.
(2)Gatwick Airport to 市中心 Victoria Station via Gatwick Express Train has different fares, you can spend as little as 7镑 if you ride the train that makes several stops on the way.
4)Luton Airport to Victoria Station 10镑
(1)Heathrow Airport to 市中心 Victoria Station via tube (underground)costs 4镑.
(2)Gatwick Airport to 市中心 Victoria Station via Gatwick Express Train has different fares, you can spend as little as 7镑 if you ride the train that makes several stops on the way.
4)Luton Airport to Victoria Station 10镑