This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $823 fare is the cheapest current round-trip from São Paulo (GRU) to LIS on Air Canada flight AC91, departing 2026-10-15 at 21:35 with return on 2026-11-04.

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