Cheap flights from Alberta to London from £146

In general, January is the cheapest month to fly from Alberta to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £401. The month of November is another great option to travel to London Heathrow Airport, with average flight prices from Alberta averaging around £408.

On average, the least expensive day to fly to London Heathrow Airport from Alberta is on a Thursday. momondo users have found tickets for Thursday departures for as low as £584. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Friday is £701.

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Alberta to London Heathrow Airport in the evening for as low as £642. 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 afternoon when prices are £698 on average. Flights to London Heathrow Airport from Alberta in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You are more likely to see cheaper flights to London Heathrow Airport from Alberta when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £577 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 Alberta for as low as £561 on momondo.

There are 3 cabin classes available to choose from on Alberta 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 and Air Canada are the most popular carriers operating from Alberta to London Heathrow

WestJet, Air Canada and Lufthansa are the top three most popular airlines that fly to London Heathrow Airport from Alberta according to our data. WestJet is the first choice among our users, with 53% of people opting to fly with this airline when travelling to London Heathrow Airport. Keep in mind that there are 3 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

12 flights are operational daily from Alberta to London Heathrow Airport as of February 2026. The most popular departure time for this route is 18:00, with 100% of flights per day taking off in the evening.

84 flights are operational weekly from Alberta to London Heathrow Airport as of February 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.