London on a Budget
There are several youth hostels in London, and universities offer rooms from June to September. International Students House has year-round rooms. There are also many cheap bed and breakfasts (see Youth Hostels Association).
Buses are cheaper than the Tube (underground), but they do usually take longer. If you are making more than two tube journeys in a day, Travel Cards are good value. They are also valid on buses and the Docklands Light Railway. Carnets, with 10 Zone 1 tickets, and pre-pay ...