Generally, the cheapest way for children to travel is by using a Zip Oyster photocard.
With a Zip Oyster photocard:
Find out more and how to apply for a Zip Oyster photocard.
If you live in the UK, please allow a week for your application to be processed.
If you live outside the UK, you need to apply at least 4 weeks before you arrive in London.
Children under 11 can travel free on buses and trams without needing a 5-10 Zip Oyster photocard unless they look older than 10.