Earlier this year the Canadian government introduced an Electronic Travel Authorisation (eTA) for customers flying into or transiting any Canadian point.
All arriving customers travelling on a visa-exempt passport, which includes most UK and other European nationals, need to obtain an eTA through the Canadian government website in advance.
Since its introduction there has been a leniency period that has allowed passengeres to board their flights without an eTA. This leniency period will end on Wednesday, 09 November 2016. From this date any customers without an eTA will not be able to travel to Canada.
Travellers can apply for an eTA online.