This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $656 fare is the cheapest current round-trip from Vancouver (YVR) to LON on WestJet flight WS538, departing 2026-06-10 at 09:50 with return on 2026-06-17.

Clicking "Book this flight" opens Kiwi.com with this exact flight pre-filtered — same airline, same dates, same passenger count.