This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $674 fare is the cheapest current round-trip from Montreal (YUL) to RMO on TS flight TS250, departing 2026-09-03 at 18:50 with return on 2026-09-12.

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