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

Here is what a return trip to London usually costs. Above $806 you are paying the going rate; below it, you have a deal.

Usual price$806
Excellent deal below$489
Lowest ever recorded$659

Last recorded on September 13, 2026, across 1062 observations from the past 90 days.

By cabin

  • Economy$816

Price movement

From September 7, 2026 to September 13, 2026, across 7 days of observations: $691 at the lowest, $772 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 $489.