Montreal (YUL) to Sao Paulo (SAO): 5,060 miles (8,143 km) great-circle, about 10h 35m nonstop by our estimate. Cheapest fare observed: $710 round-trip on Arajet, with 1 stop, departing June 12, 2026.
$710 round-trip, Arajet DM5975, departing 2026-06-12 at 07:00, returning 2026-06-29. The recorded itinerary left on a Friday, returning on a Monday 17 nights later; the fare was observed 48 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $710, it ranked 15th of the 30 round-trip fares we recorded from YUL (median $752). That is 14.0 cents per great-circle mile (round-trip price over one-way distance), below the YUL median of 21.8 cents across 30 round-trip routes.
Routes from YUL of similar length: Antalya (5,065 mi) at $1090 and Istanbul (4,776 mi) at $990.
YUL to SAO is the only one of 30 YUL routes where Arajet priced cheapest. It is the 4th longest of the 30 routes we track from YUL.
Of 20 departure airports with a fare to Sao Paulo, Montreal (YUL) ranked 11th at $710. Lowest: $59 from Rio de Janeiro (GIG); highest: $1830 from Brisbane (BNE); 4 nonstop. Cheapest-fare airlines (routes): Copa (4), Arajet (3), Avianca (2), TAAG Angola Airlines (2), Azul (1) and Cathay Pacific (1), plus 7 more.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Toronto, America/Sao_Paulo; flight time is our estimate.