Suggestions on Plane Tickets
The cost of airfare to London will depend on your originating airport and on how soon you book. In addition to checking with the major air carriers' Web sites directly, the following sites may assist you with making travel arrangements. However, please note that it is entirely your responsibility to understand and comply with the terms of the site you book with. This includes issues related to any ability to make changes to flight times and dates, cancellation of reservations, additional costs related to making changes, etc.
Also, remember to get or renew your passport NOW!