British passport holders do not require a visa for stays in Chile less than 90 days. If you wish to stay longer, you need to contact the Chilean Immigration Department.
On arrival, you will be given a Tourist Card, and you must retain this document and present it on your departure. Your passport must be valid for the duration of your intended stay.
The information found here is based on the response provided by the Chilean embassy. We recommend you always double check the latest information directly with the embassy before you travel. If you wish to travel for longer than the visa-free period, you should speak to the Chilean embassy directly on 0207 222 2361.