£236 Find Cheap Flights from Ottawa to London Heathrow Airport

Your flight ticket price will generally be cheaper if you fly to London Heathrow Airport on a Friday and more expensive on a Sunday. On your return trip to Ottawa, you should consider flying back on a Friday, and avoid Saturdays for better deals.

The cheapest month for flights from Ottawa to London Heathrow Airport is January, where tickets cost £531 (return) on average. On the other hand, the most expensive months are December and July, where the average cost of round-trip tickets is £743 and £695 respectively.

Yes, flying with a stopover may cost you more time, but you can also save money on the route, with a 1 stop stopover the cheapest option at £676 on average.

To get a below average price on the flight from Ottawa to London Heathrow Airport, you should book around 6 weeks before departure, which saves you about 11% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 7 weeks before departure.

In the past 3 days, the cheapest return tickets from Ottawa to London Heathrow Airport were found on Air Canada (£466) and United Airlines (£484).

There is just one airline that flies from Ottawa to London Heathrow Airport direct and that is Air Canada. The best return deal found from Air Canada for the route is £481.

Weekly flights between Ottawa and London historically see delays in approximately 26% of cases, with the average delay over the past year being 143 minutes.

Typically, flights leaving in the evening tend to face fewer delays, whereas flights at night have historically encountered delays more often.

Statistically, Monday is the day of the week with the fewest delays on this flight route, while Sunday has typically experienced more delays than other days.

Based on our data, Air Canada have experienced the fewest delays on this route in the past 12 months, with only about 26% of their flights encountering any delays.

There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

There is a maximum of 1 direct flight a day that takes off from Ottawa and lands in London Heathrow Airport, with an average flight time of 6h 35m. The most common departure time is 18:00 and most flights take off in the evening. Each week, there are 4 flights.