Looking for a budget solution to Edmonton this Autumn have a look on this solution with Icelandair from London. You can now fly from the UK to the capital of Alberta province in Canada already for £263 (€293)! The cheapest option requires to book multi-city tickets with stop in Iceland on your way. Classic return flights are available from £297. Note that base fare does not include checked bag. (you would have to pay extra). Icelandair offers free stop-over in Iceland for up to 7 days. You can find further details in this article.
You will find limited travel options mainly in November 2017. Latest date of your inbound flight has to be 16th of December 2017. Max stay 1 month. You can book accommodation through servers such as Booking.com or Hotels.com. As this is great alternative not only for travelers in the United Kingdom. you can compare your connection possibilities from your home town to London via Skyscanner.
Booking sample
London - Iceland - Edmonton - London from £263
London - Edmonton from £297
Travel samples
31.10. - 3.11. - 13.11.
1.11. - 1.11. - 18.11.
9.11. - 10.11. - 25.11.
26.11. - 29.11. - 9.12.
27.11. - 29.11. - 12.12.
Booking sample of cheap return flights from London to Edmonton (+ Iceland) from £263 here. In this caes you would depart from the United Kingdom to Iceland on 25th of November. Day after you would leave Europe to Edmonton, Canada. Your return flight from North America to London Gatwick would be on 9th of December 2017. Classic return flights with one short layover in Reykjavik are available from £297.