This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $424 fare is the cheapest current round-trip from Montreal (YUL) to PAR on British Airways flight BA94, departing 2026-08-22 at 22:00 with return on 2026-08-29.

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