National Express coaches. A one-way, midday, midweek 'Funfare' ticket for as little as £3.00 (conditions apply).
On foot
Train - fastest, or bus - cheapest.
from where
shanksys pony.
DRIVE
No. England is a country; Birmingham and London are cities. Birmingham and London are both in England.
Check the link below, "Birmingham to London", for a map and directions from Birmingham to London.
London and Birmingham are both cities in England. London is the capital and Birmingham never has been.
The distance from London to Birmingham is 163 km.
No. Birmingham is about 120 miles northwest of London.
Cycle or hitch-hike
When I was in the service, one way was intercity bus ( I don' t remember what they call it in Great Britain) but, for me, it was and I assume still is the cheapest way to 'get about,' as they say.