British Airways, the flag carrier and the largest airline in the United Kingdom (by fleet size) offers some good option for travellers in the UK that can plan their next flight to Canada a lot ahead. Based on their service you can now book non-stop flights from London to Vancouver already for £355 (€417). This is for a round trip flight including all taxes as well as checked luggage. Limited travel dates are available at the beginning of Winter 2017/2018..
If interested in this British Airways promotion you will find plenty of travel options between 29th of October and 12th of December then 28th of December 2017 till 22nd of January 2018. This BA sale is valid till 24th of April or until sold out..
Travel date samples
29.10. – 13.11.
11. – 18.11.
19.11. – 3.12.
3. – 10.12.
12. – 22.1.
Booking sample of British Airways cheap non-stop flights from London to Vancouver £355! In this case you would departing from London Heathrow to Canada on 21th of November. Your return flight from North America back to the United Kingdom would be on 18th of November 2017.