Cheap flights from Calgary to San Diego from C$ 171

In general, May 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$ 330. If you are unable to visit San Diego during the month of May, then departing from Calgary during the month January is also very affordable. Most momondo users find prices during this month for around C$ 436.

The cheapest day to depart on your flight to San Diego is on a Tuesday when prices can be found for as low as C$ 410. 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 Thursday as prices are generally higher than usual. According to our data, the average ticket price to San Diego on Thursday is C$ 595.

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$ 503 when looking at flights departing in the morning. Flights to San Diego are more costly at noon, with an average ticket price of C$ 631. 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$ 523 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$ 368 on momondo.

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

You could potentially save up to 25% on your flight if you consider stops on a Calgary to San Diego flight.

As of October 2026, prices for Calgary to San Diego flights are approximately 5% more expensive when compared to flights at the same time last year.

Alaska Airlines, Delta, and United Airlines 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 85% 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 105 minutes.

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

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday 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.

Vancouver (YVR) was the most common stop: 60% of momondo users choosing one-stop flights on this route connected there.

Flights via Salt Lake City (SLC) offer the lowest average round-trip price of C$ 507.

Flights connecting via Vancouver (YVR) have the shortest average one-way travel time: 5h 52m.

Vancouver (YVR) has the shortest average layover time for this route: 1h 49m.

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

8 flights are operational weekly from Calgary to San Diego as of October 2026. The most popular departure day for this route is Mon, with 25% of flights per week taking off on this day.