Cheap flights from Canada to the United Kingdom from C$ 389

If you aren’t able to travel during the month of February, then book flights to United Kingdom from Canada during January instead. Flights to United Kingdom in January, while not as cheap as those in February, still average around C$ 875.

According to our data, Sunday is the cheapest day to fly to United Kingdom from Canada. The lowest ticket price found for a Sunday departure recently was C$ 1,199. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Canada to United Kingdom on a Saturday will generally be more expensive and average around C$ 1,284. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

In the evening is the cheapest time of day to fly from Canada to United Kingdom when you can find flight prices for as low as C$ 1,178. Flying to United Kingdom in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to United Kingdom is in the afternoon when prices are around C$ 1,345.

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

You are more likely to see cheaper flights to United Kingdom from Canada when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around C$ 948 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Canada for as low as C$ 911 on momondo.

Air Transat, Porter Airlines, and United Airlines are the most popular carriers operating from Canada to United Kingdom

Air Canada, British Airways and WestJet are the top three most popular airlines that fly to United Kingdom from Canada according to our data. Air Canada is the first choice among our users, with 47% of people opting to fly with this airline when travelling to United Kingdom. Keep in mind that there are 18 different airlines that fly to United Kingdom on a routine basis, so you have a few additional options to choose from.

Historically, on average around 19% of flights between Canada and United Kingdom have experienced a delay on any given week. The average delay length over the past 12 months has been 146 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, British Airways has had the least delays on this route over the last 12 months, with about 18% of their flights experiencing any sort of delay.

The number of flights available between Canada and United Kingdom is 47 per day as of April 2026. The most frequent departure time is 10:00p.m., with 99% of daily flights leaving in the evening.

As of April 2026, 335 flights take off from Canada and land in United Kingdom each week. The most common flight departure day for this route is Tue, with 19% of weekly flights taking off on this day.