Good solution from Benelux to Vancouver in upcoming winter season with possibility of booking multi-stop in Iceland. Classic return flights from Amsterdam or Brussels to Vancouver are available from €374 and with multi-stop in Keflavik / Reykjavik from €414. This deal is based on service of Icelandair. Note that there is no hold luggage in base fare and you would have to purchase extra. (Note that currenly Icelandair offers max 78h / 3 days free stop in Iceland. More details here).
Icelandair promo sale is available from 16th of September to 13th of December 2018 or 7th of January to 13th of April 2019. Max stay 12 months. Free stop-over in Iceland max 78 hours. Below you can refer to our booking samples – both classic return flights as well as multi-city tickets. You can book your hotel in Vancouver via Hotels.com or Booking.com.
Booking sample of cheap flights from Benelux to Vancouver from €374! (With multi-stop in Iceland €414). You would depart from Amsterdam to Canada on 4th of November and return from North America back to Europe on 16th of November 2018. You can also add free stop-over in Reykjavik and book very cheap multi-city flights from Europe to both Iceland and Canada. (Note that reason of a price difference is that not all booking agents support multi-city tickets).