I advise you to use this excellent site I use for train times.
See related link below.
Split Saving
Paddington
From London Paddington.
No. You will have to go to Paddington to catch a train to Oxford.
Car : About 1 hour 20 mins from Central London to Oxford City centre. Train : London Paddington to Oxford takes 58 mins.
Either the Megabus from Victoria or the train from Paddington
By train to London Paddington and then tube to Marble Arch.
get on the train to Liverpool street and then get the central line westbound to oxford circus.
How muche cost for mumbai to london in train
The tube doesnt go as far as oxford. You'd have to take the train, not the tube.
There is no direct train service between Heathrow and Folkestone. You will have to change trains (and stations) in London.
A valid one.
One way adult standard off peak is £45 this can rise to £110 for a first class anytime ticket.