Montreal (YUL) to Prague (PRG): 3,853 miles (6,201 km) great-circle, about 8h 10m nonstop by our estimate. Cheapest fare observed: $793 round-trip on WestJet, with 3 stops, departing June 17, 2026.
$793 round-trip, WestJet WS859, departing 2026-06-17 at 06:45, returning 2026-06-28. The recorded itinerary left on a Wednesday, returning on a Sunday 11 nights later; the fare was observed 53 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $793, it ranked 16th of the 30 round-trip fares we recorded from YUL (median $752). That is 20.6 cents per great-circle mile (round-trip price over one-way distance), close to the YUL median of 21.8 cents across 30 round-trip routes.
Routes from YUL of similar length: Algiers (3,899 mi) at $1031 and Marseille (3,731 mi) at $852.
WestJet had the cheapest fare on 7 of 30 YUL routes. It is the 14th longest of the 30 routes we track from YUL.
Of 12 departure airports with a fare to Prague, Montreal (YUL) ranked 11th at $793. Lowest: $68 from Copenhagen (CPH); highest: $905 from Calgary (YYC); 7 nonstop. Cheapest-fare airlines (routes): Wizz Air Malta (4), Ryanair (2), airline E6 (1), airline WX (1), easyJet (1) and Porter Airlines (1), plus 2 more.
That depends on your passport and trip, so check the official source for Czechia: European Commission: Schengen visa policy. Connecting elsewhere? Check that country's transit rules too.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Toronto, Europe/Prague; flight time is our estimate.