Montreal → London flights: the normal price, and when to book

Here is what a return trip to London usually costs. Above $825 you are paying the going rate; below it, you have a deal.

Usual price$825
Excellent deal below$496
Lowest ever recorded$659

Last recorded on September 6, 2026, across 953 observations from the past 90 days.

By cabin

  • Economy$827

Price movement

From September 2, 2026 to September 6, 2026, across 5 days of observations: $710 at the lowest, $934 at the highest. Each dot is an observed day; gaps between dots were not measured.

Get told when the price drops

Set an alert on this route: we watch continuously and write to you the moment a fare goes below $496.