Cheap flights from Calgary to San Diego from $146

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 $256.

The cheapest day to depart from Calgary to San Diego is on a Thursday. Travelers who choose to depart for San Diego on a Thursday will often find tickets for as low as $211. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $374. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

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 $329 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 $235 on momondo.

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

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

WestJet, Delta and Air Canada 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 90% of people opting to fly with this airline when traveling to San Diego. Keep in mind that there are 3 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 111 minutes.

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

Wednesday is statistically the day of the week which experiences the fewest number of 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 have had the least number of delays on this route over the last 12 months; with about 18% of their flights experiencing any sort of delay.

As of May 2026, there are 2 flights per day flying from Calgary to San Diego. The most common time of day flights depart is 11:00AM, with 100% of flights taking off at noon.

As of May 2026, there are 14 flights per week flying from Calgary to San Diego. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.