This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $719 fare is the cheapest current round-trip from Montreal (YUL) to CMN on AT flight AT207, departing 2026-06-10 at 12:15 with return on 2026-07-10.

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