Cheap flights from Calgary to London from C$ 205

The month of April is another great option to travel to London, Ontario, with average flight prices from Calgary averaging around C$ 315.

According to our data, Saturday is the cheapest day to fly to London, Ontario from Calgary. The lowest ticket price found for a Saturday departure recently was C$ 345. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Sunday is the most expensive day to depart from Calgary because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 520.

Our most recent data shows that the best time of day to fly to London, Ontario is in the evening. Flights from Calgary to London, Ontario during this time can be as low as C$ 381. Flights in the morning are often more expensive with an average ticket price of C$ 517.

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

You are more likely to see cheaper flights to London, Ontario from Calgary when booking weeks ahead of your departure date. In general, you can expect to find flights to London, Ontario for around C$ 413 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London, Ontario from Calgary for as low as C$ 372 on momondo.

There are 2 cabin classes available to choose from on Calgary to London, Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

WestJet is the most popular carrier operating from Calgary to London

Flair Airlines, WestJet and Air Canada are the top three most popular airlines that fly to London, Ontario from Calgary according to our data. Flair Airlines is the first choice among our users, with 48% of people opting to fly with this airline when travelling to London, Ontario. Keep in mind that there are 5 different airlines that fly to London, Ontario on a routine basis, so you have a few additional options to choose from.

Historically, on average around 8% of flights between Calgary and London have experienced a delay on any given week. The average delay length over the past 12 months has been 89 minutes.

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

Thursday is statistically the day of the week that experiences the fewest delays on this flight route. Saturday 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 8% of their flights experiencing any sort of delay.

As of October 2026, 3 flights take off from Calgary and land in London, Ontario each day. The most common flight departure time for this route is 11:00p.m., with 91% of daily flights taking off in the evening.

The number of flights available between Calgary and London, Ontario is 21 per week as of October 2026. The most frequent departure day is Mon, with 19% of weekly flights leaving on this day.