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

Here is what a return trip to London usually costs. Above $929 you are paying the going rate; below it, you have a deal.

Usual price$929
Excellent deal below$578
Lowest ever recorded$666

Last recorded on September 6, 2026, across 803 observations from the past 90 days.

By cabin

  • Economy$964

Price movement

From September 3, 2026 to September 6, 2026, across 4 days of observations: $877 at the lowest, $1,495 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 $578.