This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $317 fare is the cheapest current round-trip from Montreal (YUL) to YWG on Air Canada flight AC435, departing 2026-08-01 at 13:30 with return on 2026-08-08.

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