This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $864 fare is the cheapest current round-trip from Montreal (YUL) to ALG on KLM flight KL672, departing 2026-06-20 at 18:50 with return on 2026-07-12.

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