Cheap flights from Quebec to London from C$ 431

The month of July is, on average, the cheapest month to fly to London Heathrow Airport from Quebec, with most prices found around C$ 186. If you aren’t able to travel to London Heathrow Airport during the month of July, then flying in April is also cheap. Prices for this month can be found on momondo for an average of C$ 450.

According to our data, Sunday is the cheapest day to fly to London Heathrow Airport from Quebec. The lowest ticket price found for a Sunday departure recently was C$ 1,093. 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 Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Quebec to London Heathrow Airport for around C$ 1,182.

Our data shows that the cheapest Quebec to London Heathrow Airport flights are usually those with departure times in the afternoon. Our users have found flights to London Heathrow Airport in the afternoon for as low as C$ 1,101. In the evening is when there is more demand to fly to London Heathrow Airport, so prices are often more expensive at around C$ 1,163 per ticket.

Fly from Montreal Pierre Elliott Trudeau Intl to London Heathrow for the best Quebec - London Heathrow flight prices

You are more likely to see cheaper flights to London Heathrow Airport from Quebec when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around C$ 1,016 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 Quebec for as low as C$ 940 on momondo.

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

Air Canada, British Airways and Lufthansa are the top three most popular airlines that fly to London Heathrow Airport from Quebec according to our data. Air Canada is the first choice among our users, with 55% of people opting to fly with this airline when travelling to London Heathrow Airport. Keep in mind that there are 7 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

As of May 2026, there are 15 flights per day flying from Quebec to London Heathrow Airport. The most common time of day flights depart is 10:00p.m., with 100% of flights taking off in the evening.

As of May 2026, there are 108 flights per week flying from Quebec to London Heathrow Airport. The most common day of the week flights depart is Sat, with 23% of flights taking off on this day.