Cheap flights from Canada to San Diego from C$ 171

In general, September is the cheapest month to fly from Canada to San Diego. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 545. If you are unable to visit San Diego during the month of September, then departing from Canada during the month May is also very affordable. Most momondo users find prices during this month for around C$ 556.

The cheapest day to depart on your flight to San Diego is on a Friday when prices can be found for as low as C$ 636. 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$ 863.

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

You are more likely to see cheaper flights to San Diego from Canada when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around C$ 671 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Canada for as low as C$ 571 on momondo.

There are 4 cabin classes available to choose from on Canada 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 4% on your flight if you consider stops on a Canada to San Diego flight.

WestJet, Air Canada, and United Airlines are the most popular carriers operating from Canada to San Diego

WestJet, Air Canada and United Airlines are the top three most popular airlines that fly to San Diego from Canada according to our data. WestJet is the first choice among our users, with 45% of people opting to fly with this airline when travelling to San Diego. Keep in mind that there are 7 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 20% of flights between Canada and San Diego have experienced a delay on any given week. The average delay length over the past 12 months has been 130 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.

Sunday 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 16% of their flights experiencing any sort of delay.

10 flights are operational daily from Canada to San Diego as of July 2026. The most popular departure time for this route is 9:00a.m., with 51% of flights per day taking off at noon.

As of July 2026, there are 73 flights per week flying from Canada to San Diego. The most common day of the week flights depart is Mon, with 18% of flights taking off on this day.