Cheap flights from London, Ontario to Calgary from C$ 139

The cheapest month to fly to Calgary from London, Ontario is in January. Flight prices, which tend to average around C$ 236, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Calgary from London, Ontario during March instead. Flights to Calgary in March, while not as cheap as those in January, still average around C$ 251.

The cheapest day to depart on your flight to Calgary is on a Friday when prices can be found for as low as C$ 401. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from London, Ontario because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 480.

Our data shows that the cheapest London, Ontario to Calgary flights are usually those with departure times in the evening. Our users have found flights to Calgary in the evening for as low as C$ 363. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are C$ 490 on average. Flights to Calgary from London, Ontario in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You are more likely to see cheaper flights to Calgary from London, Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Calgary for around C$ 359 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Calgary from London, Ontario for as low as C$ 309 on momondo.

There are 3 cabin classes available to choose from on London, Ontario to Calgary flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between London, Ontario to Calgary.

As of June 2026, prices for London, Ontario to Calgary flights are approximately 23% cheaper when compared to flights at the same time last year.

WestJet is the most popular carrier operating from London to Calgary

WestJet, Flair Airlines and Porter Airlines are the top three most popular airlines that fly to Calgary from London, Ontario according to our data. WestJet is the first choice among our users, with 44% of people opting to fly with this airline when travelling to Calgary. Keep in mind that there are 5 different airlines that fly to Calgary on a routine basis, so you have a few additional options to choose from.

Historically, on average around 16% of flights between London and Calgary have experienced a delay on any given week. The average delay length over the past 12 months has been 146 minutes.

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

Saturday 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, WestJet has had the least delays on this route over the last 12 months, with about 16% of their flights experiencing any sort of delay.

The number of flights available between London, Ontario and Calgary is 2 per day as of June 2026. The most frequent departure time is 6:00a.m., with 66% of daily flights leaving at noon.

The number of flights available between London, Ontario and Calgary is 16 per week as of June 2026. The most frequent departure day is Tue, with 19% of weekly flights leaving on this day.