This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $487 fare is the cheapest current round-trip from Toronto (YYZ) to LON on WestJet flight WS34, departing 2026-06-01 at 22:55 with return on 2026-06-09.

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