£335 Find Cheap Flights from London Heathrow Airport to Ottawa – Compare and Save

If your flying dates are flexible, you should consider flying to Ottawa on a Friday, as we generally find the cheapest rates on that day for this route. On the other hand, Wednesday is the most expensive day to fly from London Heathrow Airport to Ottawa. For your return ticket, we recommend flying on a Friday and avoiding Saturdays for the best deals.

The cheapest month for flights from London Heathrow Airport to Ottawa is May, where tickets cost £391 (return) on average. On the other hand, the most expensive months are December and January, where the average cost of round-trip tickets is £669 and £657 respectively.

No, with an average price for the route of £562, prices are generally cheapest when you fly direct.

To get a below average price on the flight from London Heathrow Airport to Ottawa, you should book around 3 weeks before departure, which saves you about 29% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 11 weeks before departure.

In the past 5 days, the cheapest return tickets from London Heathrow Airport to Ottawa were found on Air Canada (£442) and United Airlines (£543).

There are 2 airlines that fly direct from London Heathrow Airport to Ottawa. They are Air Canada and Lufthansa. The cheapest airline for this route is Air Canada, with the best return deal found costing £374. On average, the best prices for this route can be found at Lufthansa.

Weekly flights between London and Ottawa historically see delays in approximately 10% of cases, with the average delay over the past year being 210 minutes.

Typically, flights leaving in the morning tend to face fewer delays, whereas flights in the early afternoon have historically encountered delays more often.

Statistically, Wednesday is the day of the week with the fewest delays on this flight route, while Friday 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 10% of their flights encountering any delays.

Paris (CDG) is the top choice – 56% of KAYAK users who clicked on one-stop flights from London Heathrow Airport to Ottawa picked an itinerary connecting there.

Flights via Paris (CDG) offer the most affordable fares, with an average price of £607 for a return.

Consider flying via Montreal (YUL) for the shortest journey. The average one-way travel time for flights connecting there is 10h 19m.

If you prefer a quick connection, Newark (EWR) often has the shortest stopovers from London Heathrow Airport to Ottawa, with an average time of 1h 13m.