Cheap flights from Canada to London from £114

In general, May is the cheapest month to fly from Canada to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £419. The month of February is another great option to travel to London Heathrow Airport, with average flight prices from Canada averaging around £423.

On average, the least expensive day to fly to London Heathrow Airport from Canada is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £519. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Monday is £551.

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the afternoon. momondo users have found flights departing from Canada to London Heathrow Airport in the afternoon for as low as £534. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are £544 on average. Flights to London Heathrow Airport from Canada in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 £494 when searching weeks before you fly. 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 £450 on momondo.

There are 3 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, TAP AIR PORTUGAL, and Air Canada are the most popular carriers operating from Canada to London Heathrow

Air Canada, British Airways and WestJet 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 69% of people opting to fly with this airline when travelling to London Heathrow Airport. Keep in mind that there are 11 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 have had the fewest delays on this route over the last 12 months, with about 13% of their flights experiencing any sort of delay.

The number of flights available between Canada and London Heathrow Airport is 81 per day as of February 2026. The most frequent departure time is 18:00, with 96% of daily flights leaving in the evening.

569 flights are operational weekly from Canada to London Heathrow Airport as of February 2026. The most popular departure day for this route is Fri, with 17% of flights per week taking off on this day.