This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $637 fare is the cheapest current round-trip from Montreal (YUL) to ALG on Air France flight AF347, departing 2026-08-19 at 21:00 with return on 2026-09-24.

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