Cheap flights from Canada to London from C$ 210

The month of May is, on average, the cheapest month to fly to London Heathrow Airport from Canada, with most prices found around C$ 779. If you aren’t able to travel to London Heathrow Airport during the month of May, then flying in February is also cheap. Prices for this month can be found on momondo for an average of C$ 780.

According to our data, Sunday is the cheapest day to fly to London Heathrow Airport from Canada. The lowest ticket price found for a Sunday departure recently was C$ 1,215. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Canada to London Heathrow Airport for around C$ 1,337.

Our data shows that the cheapest Canada to London Heathrow Airport flights are usually those with departure times in the evening. Our users have found flights to London Heathrow Airport in the evening for as low as C$ 1,276. In the afternoon is when there is more demand to fly to London Heathrow Airport, so prices are often more expensive at around C$ 1,303 per ticket.

Fly from Calgary to London Heathrow for the best Canada - London Heathrow flight prices

You are more likely to see cheaper flights to London Heathrow Airport from Canada when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around C$ 918 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Canada for as low as C$ 831 on momondo.

There are 4 cabin classes available to choose from on Canada to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

WestJet, Air Canada, and TAP AIR PORTUGAL are the most popular carriers operating from Canada to London Heathrow

Air Canada, British Airways and Lufthansa are the top three most popular airlines that fly to London Heathrow Airport from Canada according to our data. Air Canada is the first choice among our users, with 57% of people opting to fly with this airline when travelling to London Heathrow Airport. Keep in mind that there are 19 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 20% of flights between Canada and London have experienced a delay on any given week. The average delay length over the past 12 months has been 155 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

Monday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Virgin Atlantic has had the least delays on this route over the last 12 months, with about 13% of their flights experiencing any sort of delay.

As of February 2026, there are 77 flights per day flying from Canada to London Heathrow Airport. The most common time of day flights depart is 6:00p.m., with 96% of flights taking off in the evening.

As of February 2026, 539 flights take off from Canada and land in London Heathrow Airport each week. The most common flight departure day for this route is Sun, with 17% of weekly flights taking off on this day.