Portland (PDX) to Montreal (YMQ): 2,327 miles (3,745 km) great-circle, about 5h 10m nonstop by our estimate. Cheapest fare observed: $655 round-trip on American Airlines, with 2 stops, departing April 30, 2026.
$655 round-trip, American Airlines AA1956, departing 2026-04-30 at 23:40, returning 2026-05-06. The recorded itinerary left on a Thursday, returning on a Wednesday 6 nights later; the fare was observed 5 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $655, it ranked 23rd of the 30 round-trip fares we recorded from PDX (median $378). That is 28.1 cents per great-circle mile (round-trip price over one-way distance), above the PDX median of 21.2 cents across 30 round-trip routes.
Routes from PDX of similar length: Washington (2,322 mi) at $503 and Charlotte (2,277 mi) at $518.
American Airlines had the cheapest fare on 5 of 30 PDX routes. It is the 15th longest of the 30 routes we track from PDX.
Of 7 departure airports with a fare to Montreal, Portland (PDX) ranked 7th at $655. Lowest: $305 from Fort Lauderdale (FLL); highest: $655 from Portland (PDX); 1 nonstop. Cheapest-fare airlines (routes): American Airlines (2), United Airlines (2), Flair Airlines (1), Porter Airlines (1) and WestJet (1).
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Los_Angeles, America/Toronto; flight time is our estimate.