Cheap flights from Calgary to San Diego from C$ 173

In general, August is the cheapest month to fly from Calgary to San Diego. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 294. If you are unable to visit San Diego during the month of August, then departing from Calgary during the month May is also very affordable. Most momondo users find prices during this month for around C$ 340.

The cheapest day to depart on your flight to San Diego is on a Wednesday when prices can be found for as low as C$ 320. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Diego on Sunday is C$ 447.

Flying to San Diego from Calgary in the morning is the least expensive time of day to depart. momondo users have found prices as low as C$ 385 when looking at flights departing in the morning. Flights to San Diego are more costly at noon, with an average ticket price of C$ 608. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Calgary to San Diego for the best Calgary - San Diego flight prices

You are more likely to see cheaper flights to San Diego from Calgary when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around C$ 436 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Calgary for as low as C$ 306 on momondo.

No. A direct flight is the cheapest option for a flight between Calgary to San Diego.

As of May 2026, prices for Calgary to San Diego flights are approximately 10% cheaper when compared to flights at the same time last year.

WestJet, United Airlines, and Delta are the most popular carriers operating from Calgary to San Diego

WestJet, Air Canada and Delta are the top three most popular airlines that fly to San Diego from Calgary according to our data. WestJet is the first choice among our users, with 82% of people opting to fly with this airline when travelling to San Diego. Keep in mind that there are 4 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.

Historically, on average around 18% of flights between Calgary and San Diego have experienced a delay on any given week. The average delay length over the past 12 months has been 115 minutes.

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

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Monday 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 17% of their flights experiencing any sort of delay.

Salt Lake City (SLC) was the most common stop: 50% of momondo users choosing one-stop flights on this route connected there.

Flights via San Francisco (SFO) offer the lowest average round-trip price of C$ 328.

Flights connecting via San Francisco (SFO) have the shortest average one-way travel time: 5h 27m.

Vancouver (YVR) has the shortest average layover time for this route: 1h 20m.

2 flights are operational daily from Calgary to San Diego as of May 2026. The most popular departure time for this route is 11:00a.m., with 100% of flights per day taking off at noon.

14 flights are operational weekly from Calgary to San Diego as of May 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.