This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $658 fare is the cheapest current round-trip from Montreal (YUL) to BUD on TS flight TS276, departing 2026-07-03 at 18:15 with return on 2026-07-17.

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