This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $852 fare is the cheapest current round-trip from Montreal (YUL) to MRS on TS flight TS434, departing 2026-06-15 at 21:00 with return on 2026-07-15.

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