TRAVELLING TO AND FROM LONDON TO OTHER UK CITIES
is your freind - book online at a hostel or cafe and you can get seats for £1 if you book early enough. if its last miniute thing its still dirt cheap - a few quid more.
also use this if your booking in advance - click on the funfare option (under 'how to save') if you book at certain times you can get around for £4 these coaches are posher than the megabus!!
if your travelling to Oxford from London, the best way is either a national express fun fare (£8 return i think) or at victoria station you will see the Oxford Express. very very nice posh coaches with FREE POWER SOCKETS AND WIFI and FREE COFFEE ON WEEKDAY COMMUNTER MORNING ROUTES. safe!about £10 return, open dated ticket and buses are 24hour between both cities.